Primitive Archer
Main Discussion Area => Bows => Topic started by: Danzn Bar on September 24, 2016, 03:28:16 pm
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Wish I had taken some pictures of the stave I started with, it had an "S" curve at the end of one limb that I had no trouble removing with dry heat after getting the stave to just a little larger than bow dimensions. Here is the form/caul I'm useing......and the steaming setup.
There is a hole in the bottom at one end and a bucket to catch the condensate. I put the steamer in a soft side cooler to hold in the heat.
My wife gave me the steamer a few years ago it is from woodcrafters....works really good.
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Pulled it out after about 45 minutes and it bent like butter didn't need use the metal strap for backing.....
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Nice hook dbar!! Cool setup too
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Remove it from the form after it cooled and put the other limb in the steamer..........after another 45 minutes it bent like butter also but raised a small splinter....I should have put a radius on the edges of the limb and it might not have raised a splinter.....but have plenty of wood.
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Ok dbar, ima hafta get me a steamer now. How much was that thing?
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Good lookin' setups, Bill. But we wouldn't expect less from ya! ;)
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Thanks Bubby!......I think this one will take me all winter, got some sinew to process, I'll try and show how I process sinew too...
Sleek, got it about 5 years ago....$90 if I remember right...
Thanks Mike....
DBar
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I'm bringing out some points to remember when steaming recurves....The first limb I rounded all the edges and it bent sweet...the second limb had sharp corners and it raised a small splinter......Another point is to start with a very straight (side to side) stave as possible. I started with one limb very straight and the other with an "S" curve...... I straighten it before steaming with dry heat... Steaming relaxes the wood deep into the limb where as I just got the surface relaxed and bent with dry heat. Therefore when steamed the limb went right back to the way it was before dry heat straightening....It was crooked when I pulled it out of the steamer.....
Lessen learned for me is to take more time with a dry heat soaking to relieve the stress deep into the limb or start with a straight stave....
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That's looking great Bill. Those are some nice hooks on that bow. That splinter won't hurt a thing. Once you thin the tips it will be gone. Thanks for posting the progress pictures. I like your steaming setup.
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Yeah...got plenty of wood, and the steamer was a great present.....
DBar
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Very cool set up! I dont steam much, but I would if I had that, whether it needed it or not.
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I love my steamer. Got it for about 45 bucks online. I just need to make me a steam tube like that and I'll really be singing.
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I've got a 4" dia tube about 70" long for a whole bow....never used it yet...
DBar
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wow thats cool, how can I go back to my pot with foil on the top,,wish I hadn't seen that whew,, :)
really nice curves,, gonna be a nice bow
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That will be a nice bow , perfect size for a hunting ,looking forward to seeing more that is a nice steam set up good luck !
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It looks like most of your original curve flattened out. Were you intending to do that or hoping for the sharper hook?
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Pat,
I think it is just my bad picture taking and or the angle making it look that way. The hook didn't flatten out at all. I have a block in the bottom of the form so the tip doesn't go to the bottom. The first one I did on that form had too long of a straight at the tip. and the string didn't lift at full draw.
DBar
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Great looking bow Bill, and nice looking shop too.
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DBAR that's gonna be a sweet bow can't wait to see it at moontree!
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Bill, now I see what you were talking about doing with the pvc pipe. I didn't really get what you were saying so just built a box. I like the idea of being able to focus on certain areas though so time to build a copy of yours. Its looking great by the way I bet its gonna be a shooter.
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That's going to be a good looking bow. I like the set up you got for the steaming.
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This is gonna be fun for you Bill. I've made a few similar and love that size and style. I gave my best one to Pearlie earlier this year.
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Looking good Bill, you have a real professional set up there buddy. Having seen this now and having seen a couple of your other static bows in person I know this ones should turn out very nice.
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Oh boy another D-bar bow, can't wait to see it. I love your set ups.
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Plan on having that beauty done by the first week in November big guy? Hope so, Id love to see it.
That steam rig is handy looking.
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As said Bill , really nice bend on those tips. I do really like your steamer set up. I was looking at some home built ones on you tube but once again might just have to copy yours. How much water does it hold and do you ever run low? Sounds like you most have had enough for 45min. steam.
Bjrogg
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Very nice bow build going on here.Learning about a good gadjet to use too.It seems to do the job really good.
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Cool bow and steamer. I bet you could make a steamer like that out of an old pressure cooker pot and a hot plate, just drill out a fitting for a hose and some pvc pipe on the other end...
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Urufu yes you can I've seen them on you tube also old style metal gas cans with the screw on caps. Dbar's rig looks pretty slick, nice compact everything in a bag unit.
Bjrogg
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Thanks Guys.....
Aaron I've been working on that shop for years and I want to add a dust collection system some day...its a basement shop.
Gutshot too early to tell............
Billy very simple with PVC...you just need a steam source..
PatB ...yep if I remember right you inspired me to make my first sinew backed..... Thanks
Thanks Greg....I've got a Badly Bent bow inspired with a little Tecumseh touch added started ....you've got to see this one....I may need some help......
Thanks Stixs really like your style..........
Chris Got tooooo many things going on the have it done by then......hopefully well need some fire wood then....boy I've got to get some work done before you two show up... ;)
Thanks Brian...The steamer is the way to go if you can afford it.....it was a gift to me that I really appreciate. I've used it on several bows with great results.
Ed everyone loves gadgets ...but this one is worth it, very simple and easy to get a steam source.
Urufu....I'm sure you could build one...
Bj...Yep anything with a heating coil in the bottom will work...
I sure hope to have some time to work on this bow but with hunting season in full swing, I may not be able to post progress for a while, But i'll keep you guys updated... Boy I love to bend osage.................
Till next time
DBar
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Oooo, looking forward to this one Bill, you stuff is top shelf!!
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Thanks Cody...haven't heard much from you these days. Hope everything is good with you....
Well, finally got a chance to get back to some bow building. Got this thing tillered with a long string, hard to floor tiller a recurve. Got one tip ready for a string just need to get the other tip ready, hopefully before the weekend. I'll have a few more pictures this weekend of it at low brace and ready for sinew. Please excuse my picture taken tonight...
It ended up being 59" ntn - my shortest to date
Right now 7" of reflex and planning on adding more during sinewing.
1.5" wide 8" past the fades and tapers to the 3/8" wide tips
4" handle, 1.5" fades
Planning for 50# @ 28"
Thanks for looking,
Till next time,
DBar
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That's looking really good Bill. That will be a fast bow. Be careful up on that chair ;D
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That's looking like a pretty tough one to get braced there Bill. As osage said should be fast and be careful on that chair. Do you have your safety harness on?lol
Bjrogg
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That's looking really good.
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Love the hooks. Beautiful lines. Can't wait to see the finished product! you da man 8)
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That is gonna be a bad mamba jamba😜
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Gonna be wicked, Bill. Hope she is done by Marshall so I can check it out. LOVE the shape right now.
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Looks like it is coming along nicely! Those are some serious hooks, but I wouldn't expect less in one of your recurves. Looking forward to seeing this one.
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Build for speed is what that one is looking like to me. Coming along very well there Bill, looking real nice.
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What a lovely shape you have there . . . referring to the bow.
Bet your wife thanked you mucho for shining up the table before ya took the pic! >:D
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Some how I missed this one the first time it was out. I like the continuous curve of your reflex very much. Sinew is going to make it into a very lethal tool!
OneBow
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looking great, :)
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Yeah looking great Bill, watching this thread!
Not really convinced about the sinewing, though.
But curious what you're doing.
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Beautiful shape Bill
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Looks great Bill! I too think she will be a speed demon. Can't wait to see this one finished!
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That is pretty, looking forward to seeing that bow drawn. Great profile.
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Not really convinced about the sinewing, though.
Simon, talk to me, would love to know what your thinking about... :)
DBar
Thanks Guys appreciate the comments...hope to be back on this weekend with and update
DBar
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Looking good so far Bill! Josh
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Not really convinced about the sinewing, though.
Simon, talk to me, would love to know what your thinking about... :)
DBar
Thanks Guys appreciate the comments...hope to be back on this weekend with and update
DBar
I was wondering the same thing Bill, maybe he figures it doesn't need sinewed? Looking great so far😉
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Got me curious to
Bjrogg
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This thing is coming along nice. Probably my favorite design. It just looks fast. I'm excited to see this finished.
Eric
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Speed demon ???? going for distance with this one. but I guess speed and distance go together..........a straight or longbow in my experience has been more accurate than a short highly reflexed recurve. I even shoot mollies better.
Got some time in the shop the last couple of nights and got it ready to sinew this weekend if I get a chance. I have made this design before with 7 to 9" of reflex before sinewing. I feel real good about the alignment of the tips and balance of this one ......so I have reflex it almost 12". I may be taking this design to the limit but that seems what I do before I back up.
Here is a picture of it before I sinew.
Till next time,
DBar
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That's a lot of reflex. I can't wait to see that baby bending the other way.
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I just hope I have some left...:) :)
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Not really convinced about the sinewing, though.
Simon, talk to me, would love to know what your thinking about... :)
DBar
Thanks Guys appreciate the comments...hope to be back on this weekend with and update
DBar
Bill, exact what Bubby said. 60" is quite long for sinewing. But perhaps if you leave the outers stiff and narrow but thich and taper into wider and sinewed bending parts it is a good combo. Just my thoughts ... as said I follow here with interest, I like the reflexed short type bows.
I was wondering the same thing Bill, maybe he figures it doesn't need sinewed? Looking great so far😉
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I found with bows like this you will end up losing a lot to set. Fresh wood returns to its undrawn shape quicker than wood which has taken a bunch of set to get to full draw. My solution has been to deflex the fades, this helps keep the belly wood fresh and springy. My very fastest bows looked just like your one now before I added the deflex. I now look to have the tips only 3 inches max behind the handle before tillering.
Good luck with it anyway.
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That is looking good Bill, be nice if it holds most of that. :) I always hate trying to get one like that to first brace and as I am sure you already know, go very easy and slow on tillering because it will seem much much heavier than it really is and very easy to miss weight. ;) :) Looking forward to seeing it all finished up.
Pappy
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Simon I do not think I have much working limb available for a 28"draw with 7" of handle and the static recurves on a 59" ntn bow. And I not good enough at tillering. But you do have me thinking and maybe the next one I'll try it.
Mike. My thoughts too
Thanks pappy
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This is a really good thread ! Thanx.
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That is looking good Bill, be nice if it holds most of that. :) I always hate trying to get one like that to first brace and as I am sure you already know, go very easy and slow on tillering because it will seem much much heavier than it really is and very easy to miss weight. ;) :) Looking forward to seeing it all finished up.
Pappy
+1 on both of these points. I wish I had known the second one on my first sinewed bow. I lost crazy weight on that one. Looking sweet!
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DB....Looking good.After curing pulling the tips around to a 6" brace showing 70 pounds to do that won't hurt it a bit.You'll come into your draw weight easy yet at your draw length.
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DB....Looking good.After curing pulling the tips around to a 6" brace showing 70 pounds to do that won't hurt it a bit.You'll come into your draw weight easy yet at your draw length.
Yep I sure hope so........
DBar
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How much sinew you considering putting on there?
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Well...............I've been thinking about that for a while.......And I have asked the same question over the years with no real good answers....??? I've never measured it by weight but this time I will and report it ........ if I remember. ;) I will do three courses, but the thickness of the course is very suspect. I'll try and measure it by weight.... I usually put one course over the entire back including the handle and working limbs but not the recurves. Only the "working limbs and the handle get sinew. Then the next layer would be half the width down the middle. The last layer is laid down the middle of the bow about 3/8" to 1/2" wide to make a spine down the middle of the bow including the handle and working limbs. Which makes one long matrix ... let's hope it turns out....
I hope to get to sinewing this weekend.
Everyone....please understand that all of this is only my experience on building bows and I really appreciate any comments pros and mostly cons on my process........... I'm still learning. And I do say process because as said before " there's more than one way to skin a cat"
Till next time,
DBar
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Well I'm liking the way you are skinning this cat Bill.
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That is looking good Bill, be nice if it holds most of that. :) I always hate trying to get one like that to first brace and as I am sure you already know, go very easy and slow on tillering because it will seem much much heavier than it really is and very easy to miss weight. ;) :) Looking forward to seeing it all finished up.
Pappy
+1 on both of these points. I wish I had known the second one on my first sinewed bow. I lost crazy weight on that one. Looking sweet!
Upstate....
What pappy says is right ....Think about it...when pulling a finished recurve back it seams to be tough to pull back at first then ease up to full draw. When tillering a fresh bow you need to keep the same think in mind.....It happen to me on my first...
DBar
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That is looking good Bill, be nice if it holds most of that. :) I always hate trying to get one like that to first brace and as I am sure you already know, go very easy and slow on tillering because it will seem much much heavier than it really is and very easy to miss weight. ;) :) Looking forward to seeing it all finished up.
Pappy
+1 on both of these points. I wish I had known the second one on my first sinewed bow. I lost crazy weight on that one. Looking sweet!
Yes go slow when tillering these highly reflexed bows. Like pappy said you can easily miss your target weight. Also as you are tillering exercise the limbs more often than usually because a hinge can creep up on you very quickly with these highly reflexed bows.
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Yep DB you'll do real fine sinewing the bow that way.Speaking from experience here.
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about 1000 1200 grains is a good happy medium,, you can weigh the tendons before process and see about how much you think you need,,
I think much less than that, and it might not hold the reflex you want,, I started weighing mine a while back,, just so I would have a starting point,,
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Thanks Brad,
I'll weight some out and start with that................
DBar
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That is looking good Bill, be nice if it holds most of that. :) I always hate trying to get one like that to first brace and as I am sure you already know, go very easy and slow on tillering because it will seem much much heavier than it really is and very easy to miss weight. ;) :) Looking forward to seeing it all finished up.
Pappy
+1 on both of these points. I wish I had known the second one on my first sinewed bow. I lost crazy weight on that one. Looking sweet!
Upstate....
What pappy says is right ....Think about it...when pulling a finished recurve back it seams to be tough to pull back at first then ease up to full draw. When tillering a fresh bow you need to keep the same think in mind.....It happen to me on my first...
DBar
Dbar and Pappy, So glad to have gathered this information from you both when I did. I've only paid the price for not knowing it once, and at least that one still shoots for the Mrs. I've got 2 sinewed bows curing at the moment (Yew and ERC) and what a shame it would be to ruin those two.
P.S. I like my cat rare. O:) (only kidding)
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Took me about 3 hours to sinew this bow this morning. I started out with 1214 gr of sinew. I only applied about 900 gr. 1000 just seamed to much and I do not want it to be counter active.......the sinew was between 7 and 16" lg. Here is my set up with a crock pot and meat thermometer. I have to go back and forth between high and low setting to keep the water around 130 deg F. The hide glue I figure is about 110-120 deg F.
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35% humidity and 63 deg F in the shop this morning..........
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Finished and now for the wait.............
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Looks great Bill. Is it dry yet ;D
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Cant wait to see thing finished, Im lovin it.
Eric
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thats lookin great,, nice smooth job on the sinew,,
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Nice work Bill, your set up for the application looks highly organized with everything well laid out in advance.
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Looking good Bill
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Thanks Guys.......now all I have to do is wait and wait.....tick tock, tick tock. :)
DBar
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Well, at least you know that we'll all be waiting with you. Keep us posted...
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That's all together exactly the way I sinew bows too.Temperature wise for good gelling up/equipment/layout of sinew before etc.900 grains in one setting.That's a bunch.....lol.How many inches did you pull it to now?I'll be checking this in a few months.Looks very good.
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Nice sinew job!
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Thanks Guys............
Ed, had it to a short brace maybe 4" before sinewing and I was pulling it to about 12-14" to see the tiller. I was pulling about 60# then...
I hope not to have much to take off once the sinew cures or should I say dries. Sinew curing could be a topic in it's self. :) ;)
Till next time
DBar
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I just went down and took a look at the bow.....
It seemed to be drying too fast.... so I covered it with an Ace bandage, thinking it will slow down the drying process...I may have to bring it up into the bathroom where I take a shower..so it doesn't dry too fast. I did my first sinew backed bow this time of year and got some drying cracks in the belly. It was from the sinew drying so fast it pulled the back of the bow in a concave and cracked the belly on one limb for a few inches. added some super glue and it is still shooting today though. But, with this time of year and the furnace running 24-7 I don't want the same thing to happen....
DBar
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Get that tape off or it will look like a finger under a Band-Aid tomorrow and start rotting on you. ;)
A bandage or a cloth with the end tucked, not taped is a better moisture slowing solution.
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Makes since....done!
Thanks Pat!
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Pat M is right.Don't let that wrapped very long.Best thing is to put the bow the first day or so in cool area.60 degrees.By the floor.No air movement.You want the glue to gell up slowly and properly in the beginning.It's where you'll get your strength from that bonding properly.Then later after a few days to a warmer environment with air movement.
Usually I sinew bows like that in 3 sessions a week apart for each.Inducing more reflex after every session and sanding inbetween.No matter it'll be ok.
60#'s @ 14" pre tiller is quite a bit but it is a static and it'll be ok and your tiller should'nt change much.Don't know what you want for a final draw weight.You'll have a very stout bow after 900 grains cure,but you know I've had sinewed bows go into more reflex while tillering removal of wood too.Usually white woods though which are weaker over all then osage.Then the longer I draw closer to my draw length it takes it away but keeps it if you know what I mean.Then you know your sinew is dry....lol.I was just wondering how much reflex your inducing there.Looks like 8 or 10 maybe 12 inches????
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Yea Ed,
This is the most sinew I've put on a bow with these dimensions. So it's sort of a first for me...:)
I can't quite pull myself to do a sinew job in three sessions...I really don't think it matters as long as you let it dry out slowly..
This one is at 12" of reflex right now and that is as much as I want to deal with...
DBar
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You bet.It'll be a hand full tillering in the beginning anyway.Better have a strong long string....lol.Just joking.
I long string those on my tree c clamped to the saddle to get the tips 6" past the handle without an over amount of poundage to get that.Then use a primitive stringer to brace it.Everyone has their own way.Doing all this slowly over an afternoon.If it's been strung before it'll string again.Glad your this far with it and looking as good as it is.Good luck with it.
A bow I sinewed with that amount or a little more of sinew back in April was still gaining weight a little in september.This is the time of year to sinew bows though.You should have a real stem twister around Easter or so.Gives you plenty of time to plan your finishing touches....lol.
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Thanks for the info Ed.........you sure can put it into words better than I....
DBar
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Instead of wrapping the sinew with a ace bandage you can put tape on the belly of the bow to help slow moisture loss. I've done that with my juniper bows. I've had the belly of my bows with crack especially after a heavy coat of sinew.
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Redhand,
The belly of the bow is actually dry.....the moisture is escaping from the top where the sinew was applied. I'm going to leave the ace wrap on overnight and then remove the wrap and move the bow to the bathroom for a few days..... after two or three days I don't think it will matter much....it's the first two or three days that seams to matter the most.....IMHO.
DBar
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Went down an took off the ace wrap this morning, and got to thinking what I said yesterday about the amount of reflex......when I said 12" I was going from memory. This morning when I saw it I new I had miss stated......this is and 18" ruler the reflex is more like 8.5".......still plenty. The string is not as tight..
The thinner edges of the sinew is drying and getting transparent. The pictures doesn't show it as well but the thicker middle is still a cream color....
DBar
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How long are you going to let it dry Bill?
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Clint,
This being the thickest sinew job I've done. I'm going to but it up and forget it for a while. If the RH stays below 30 for the next four weeks I'll take a look at it then. But, I think I'm going to hold off bending it until February.
I've got to start another bow or two.....:)
DBar
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thats lookin great,, it woud not hurt to coat the belly with something,, it will decrease the chance of checking on the belly,,
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That bow should have a TON of speed snapping back after being drawn! Looks awesome sir...
With the right arrows, (...as in - some other guy's arrows), I bet you could shoot it right through a steel barrel! >:D
OneBow
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I'll donate the steel drum arrow. I always keep one of those in my quiver.
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Don't mention "steel drum" to Bill, may cause nitemares 😈
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Clint,
This being the thickest sinew job I've done. I'm going to but it up and forget it for a while. If the RH stays below 30 for the next four weeks I'll take a look at it then. But, I think I'm going to hold off bending it until February.
I've got to start another bow or two.....:)
DBar
Bill the date to go to Clints is right there in your time period. Maybe you can bring that speed demon of a bow up there and we can witness it bend for the first time if it's ready by then.
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Hum .... you guys and a steel barrels ..... I can't wait until next Marshall. I just might have a surprise for the little guy...
Gutshot ...sounds like a date to me................
DBar
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Hum .... you guys and a steel barrels ..... I can't wait until next Marshall. I just might have a surprise for the little guy
Man oh man wish I could see that
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Well Bubby.... maybe at Marshall or Moon Tree or the Classic or at Scottsburg who knows???? but a surprise he will get .........:) :)
DBar
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Bill, I was never a boy scout but I'm always prepared ;) ;D
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Looks very good so far.
Will be a hard thing to tiller, as the others said go slow and exercise a lot watching the weight.
Very nice sinew job btw.!
Good luck!
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DBar, that's looking great! Can't wait to see more progress on her.
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Wow! Will be following this one. Have to read back. Looking great
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I will be following this one. Looking great Bill. That first bracing is going to be an adventure.
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Great looking sinew job Bill, I anticipate more from you on this build.
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Looking good . I will try to watch this one. Arvin
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ok this may not help at all, but I had pretty good success with a high reflexed bow doing this,,
I could not get it to go on the tiller tree to see the bend,,but wanted to exercise the limbs before bracing,,
I got a bucket full of rocks( ok I know this sounds primitive) that weighed my target weight 50#,,
then I put the bow on long string and lifted the bucket,, that way I knew I was not going over target weight,,
finally I put the bow in the vise and hooked the bucket to the long string and let it sweat a bit,,
when I got the limbs moving enough I got it braced,, the 50# weight was pulling the reflex to about even,, when I got it strunt the first time, I nearly missed the weight as the sinew gave in quite a bit,, so as mentiioned string when it feels a bit heavy,, :)
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I just put two blocks of thick wood(or stack a couple of pieces) on the floor and place the bow tips on them and push down on the handle. The tips do need to be able to slip a little on the wood
Works great for stringing too.
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I'm watching this one as well DBar. I'd love to see some pics of the tillering/bracing. Seems like the time between the sinew is cured and the time it's braced for the first time is critical.
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Bill, it might take 3 of us to get that thing braced next month ;D
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Bill, it might take 3 of us to get that thing braced next month ;D
Clint I will bring a high lift Jack and you and Bill set back and watch this ole country boy string it by myself. LoL.
Serious it really might take all 3 of us!
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I've done a few highly reflexed bows and I don't think I'll have much trouble with this one. Before sinew I had it to a 4" brace and pulling it to 14" at about 60#.
I'll put it on my tillering tree with as short of long string as possible, with a scale so not to over stress it as I'm pulling it just an inch or two at a time. If at first if it wants to flip I'll clamp the handle to the tree. This has worked for me before in the past.
RH in the shop has been between 30 and 35% since I sinew it. Got started on a couple more bows to keep my mind off it, but had to take a look at it today. So far it looks good, no checks on the belly, and the drying sinew is drawing it up a bit. I really don't need anymore reflex though....:)
Gutshot, OO may not be able to wait until Jan 28 when we meet, that will be 7 weeks after, Wow yep don't think I can wait that long, but we'll see. :)
Here are a few update pictures.....pleased with the way it is drying.
Thanks for the comments and looking,
Till next time,
DBar
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I'm not sure if you noticed Mr. DBar, but I think you've developed a little bit of a hinge issue out toward the end of each limb there. Most all of your bend appears to be coming from the last 7 or 8 inches of each limb. I used a drawing program to super impose an ellipse over your full-draw picture to help you see what I mean...
;)
OneBow
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Yep. 2 big recurvey hinges. Good eye One bow
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My big concern is the top limb is stiffer than the bottom :)
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Yep. 2 big recurvey hinges. Good eye One bow
Decurve. I swear you know almost nothing about bow terminology, especially for these more complex builds. ;D
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Yep. 2 big recurvey hinges. Good eye One bow
Decurve. I swear you know almost nothing about bow terminology, especially for these more complex builds. ;D
It all depends on how you are looking at the bow Pat
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Yep. 2 big recurvey hinges. Good eye One bow
Decurve. I swear you know almost nothing about bow terminology, especially for these more complex builds. ;D
It all dependsre on how you are looking at the bow Pat
Lol
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I guess I was looking at it all wrong.lol
Bjrogg
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Looking very good from where I set. :)
Pappy
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It's been 5 weeks since I put the sinew on, so I got it out and did some work on it. Sorry Gutshot and Osage Outlaw just couldn't wait 2 more weeks............
DBar
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That looks great! I bet that is a fast shooting bow. You better bring it with you when you come over.
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That does look sweet. What kea weight did you end up with.
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Dannnnng dbar that looks good!!!!!!
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that turned out great,, congrats
if you really think the top limb is toos stiff, turn it over and shoot it a bit,, I bet it will even out,,
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Gut ..you would have to ask ;) .....It came in way short of my target. Wasn't paying attention and got a hinge right after brace. It's only pulling about 40.
I'm going to shorten it 2" and see how much that helps. I don't expect it to help much with the recurves, but we'll see.
Pretty disappointed at this point, but live an learn. It will make a great kids or ladies bow. See ya in a couple of weeks.
Thanks bubby and Brad, but it's a little light.
DBar
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wait, dont cut it,, it will slow it down,,,
put another layer of sinew to get the weight up,,
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I bet it picks up a few more lbs as the sinew cures out more
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Even at 40 lbs it kept a lot of that ridiculous reflex. That plus the recurved tips will translate to a much faster 40 lb bow than most any other. Speed is what's important. If it shoots as fast as a 50 lb bow it's even better that its 40 lbs.
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osage is probably right, it may go up 5 or more,,
no need to get discouraged, you did a great job on the tiller ,, so putting another layer of sinew will be easy,, and you will get the weight you want,, and you could fine tune the tiller a bit by putting a bit more on the bottom limb to get your positive tiller,,
I think you can easy get another 10#'s,, and as stated , probably shooting like a much heavier bow as it is,,
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Thanks guys,
I've done a few other sinew backed bows and they didn't seam to pick up any more weight after about 4-5 weeks at low humidity. But I have not put this much sinew on the back before.
I've got a little more sinew and may add another layer or so...What do you other guys think?
I personally think I took too much wood off and won't get much weight back. Might just start another and give this one away to a kid or a pretty girl. But they will have a hard time bracing it.
Thanks again
DBar
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sinew is amazing stuff,, for example, I have take the whole back off a sinew bow that had some issues,, then I put more sinew on than i did the first time,, the bow was heavier in draw weight,,
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Ya I know Brad, sinew is amazing stuff, But my experience living in Kentucky with high RH most of the year is the bows loose weight after being outdoors for 6-8 hours. There's been times when I shot a sinew back recurve at a 3D shoot in the afternoon with a lighter arrow (spine) than I did that morning to get good arrow flight.
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I've got some sinew for another layer if you need it Bill
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ok I see your point, I never experienced a drastic change in weight in such a short time frame,,
I made alot of bows in East Texas the humidity was high,,and it took longer to cure,,but once the bow settled in,, it stayed at that weight,, even hunting in the rain,, ok hunting I was not shooting alot of arrows( like 3d,), and that may be why I never noticed any weight change,, never had to change spine of arrow,,or anthing like that,, did notice the weight would creep up over a few weeks or months due to slow cureing time,, my main hunting bow was a sinew backed osage recurve,,it was really stable, i used it alot even in 90% humity,,,, it might be possibe that the thinner layer of sinew would be more sesative to humity,, than a thicker layer,, or might respond quicker in loosing weight,, not sure bout that one,, I started making sinew bows 20 plus years ago and have made quite a few mistakes along the way for sure,, I dont disagree with you at all ,just have had a different experience and feel you are a few layers of sinew from a Masterpiece,, but I am a little too postive sometimes,, :) hope the bow works out for you however you proceed,,
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I like it! Maybe few extra pounds would be nice but you get a nice lite arrow out of it and I'm sure it's quick as can be
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Brad,
You for sure have more sinewing experience than I do....If I add more sinew would you add reflex?
Thanks Paul, I don't know what I'm going to do, just wished the hell I'd hit weight in the first place....:)
DBar
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Bill there is nothing wrong with a fast 40#er. I suggest if you try another bow to go a little narrower and thicker limb.
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Before you give it away maybe see how far it penetrates a steel drum😲
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Looks great Bill. 40 lbs will kill anything in the woods. I bet it has great cast with the reflex that it kept. I am curious what another course of sinew would do for the weight. You make a mean looking recurve!
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No matter what you end up doing... The bow looks awesome, you probably learned a lot, and 40# ain't bad. For me, anything above 40 is a success. 8)
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Bill sounds like your a little disappointed on the weight. But everybody needs a good 3-D bow and that one there would make you a awesome all day shooter!!!
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Dang Dbar! that stik sure is purty. I agree with the others, you could win 3-d shoots every week with that beauty.
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Looks like you could just draw it a few more inches. I would ease it back a bit more in increments and monitor the set and performance.
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I'm with the 40# club, big guy. Match up some arrows in the 350-400 grain range and watch em' fly! The bow looks great so far, nice tiller and tight hooks. I would wager it doesn't gain any noticeable weight because this time of year is as dry as you get, isn't it?
Get ya' some 29.5" 40-45 5/16 POC shafts and I bet it rips off that bow.
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Very very nice Bill! Im digging the tight hooks! Awesome job!
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Dang Bill, that thing looks sweet with that bend and those sharp recurves! Nothing wrong with a 40# bow at all, but I totally understand being disappointed in not hitting your original number. I would be willing to bet that it does pick up a few pounds as it continues to cure.
Either way, I would call this one a win
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Combo of your eye and that bow would make for some good scores on TN 3D course.
Congrats, big guy!
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I would leave it as is. That bow looks great in the profile pics - well balanced out. Maybe there is a bit more drawlength in it and you could squeeze it out. But weight is not all - if the performance is good, why change.
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Turkey feather backing Bill, it already looks like it has wings
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900 to 1000 grains of dried sinew on a 59" NTN bow only curing for 2 months will gain weight.Hard to believe but it does take time.There is no rush rush low humidity COMPLETE short term type curing on greater amounts of sinew applied.It's more than moisture leaving the bow that's a factor.It's the collegen molecules getting their act together bonding with each other.Granted you can tiller it without harm or extra set but the extra weight gain will come yet.While you are'nt shooting it.By this time next year I'll say 6 to 8 pounds more.I'd leave it alone.I would enjoy it as it is for now.Your performance will get better and not from just poundage weight gain.
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Wow i love that bow. Idk if this has been asked but why did you choose to sinew it? Isnt osage some kind of super wood?