Author Topic: Almost done with #1 - BROKEN :-(  (Read 5392 times)

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Offline Marks

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Almost done with #1 - BROKEN :-(
« on: February 24, 2013, 11:59:49 pm »
Right now we are 45#@29".  The upper limb needs a little work on the upper 1/3.
Give me your opinions. I'll post some more pics tomorrow

« Last Edit: February 26, 2013, 10:49:06 am by Marks »

Offline Marks

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Re: Almost done with #1
« Reply #1 on: February 25, 2013, 12:05:01 am »
I forgot about this pic I took earlier this afternoon
 

Offline Marks

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Re: Almost done with #1
« Reply #2 on: February 25, 2013, 12:09:50 am »

Offline Jmilbrandt

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Re: Almost done with #1
« Reply #3 on: February 25, 2013, 12:12:39 am »
It's looking pretty good! A whole lot better then my first! The only problem is all your bend is right at the fades. That is what is causing the excessive string follow in your second picture. I did the same thing with my first and lost a really nice piece of osage. The damage to the wood is already done since you've hit full draw but try to take some wood off mid limb and about 3/4 up on both it will lower the weight  some but make your bow safer. Great start!
SW Utah

Offline Marks

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Re: Almost done with #1
« Reply #4 on: February 25, 2013, 12:59:58 am »
What is string follow?

Offline Jmilbrandt

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Re: Almost done with #1
« Reply #5 on: February 25, 2013, 01:15:49 am »
String follow is how much the tips rest behind the handle of the bow when it is unstrung. It's a result of set usually caused by crushing the wood cells on the belly of the bow with an uneven tiller. In the case of your bow, it is bending too much near the fades and it's crushing the cells causing set and string follow. That will result in low string tension and less cast. Another hint, raise the brace on your bow a bit. Mine is usually about 6" ;). By the way what wood is that?
SW Utah

Offline Jmilbrandt

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Re: Almost done with #1
« Reply #6 on: February 25, 2013, 01:25:01 am »
Haha sorry I just looked trying to find the unbraced picture and realized I was looking at the strung picture.  ::) Ok so the good news is the string follow is not as bad as I was thinking. Looks like about an inch or two, that's not too bad. I would still try to even the tiller a little though. How long is that bow?
SW Utah

Offline Marks

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Re: Almost done with #1
« Reply #7 on: February 25, 2013, 01:26:35 am »
It is osage. The limbs were already shaped that way before i started tillering. I think that is why it looks like too much bend at the fades. Upper limbs still need some work though.

Offline Marks

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Re: Almost done with #1
« Reply #8 on: February 25, 2013, 01:27:49 am »
65"ntn

Offline Jmilbrandt

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Re: Almost done with #1
« Reply #9 on: February 25, 2013, 01:37:24 am »
Hmmm yeah if it's that long and osage it probably hasn't taken much set at all even with an uneven tiller. i definitely agree the top limb needs a a little more. If it that limb was already like that I would reflex your limbs with heat. That might be a little much for a first bow though. Maybe some of the other guys will come in with some thoughts. 
SW Utah

Offline George Tsoukalas

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Re: Almost done with #1
« Reply #10 on: February 25, 2013, 10:50:19 am »
Yes, work on the top limb. Do not worry about follow. You have done a nice job on that stave. If you look closely at where the limbs enter the handle area you see that the entry point is higher than the other which makes for a difficult tiller. Just fix top limb use a scraper like tool. Jawge
Set Happens!
If you ain't breakin' you ain't makin!

Offline Marks

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Re: Almost done with #1
« Reply #11 on: February 25, 2013, 10:53:14 am »
Thanks for all the feedback Jmilbrandt and George! I'd love to hear from a few other guys too. I do plan on working that top limb a little more on the upper half.
To keep from starting another thread, I have another question for on here. I'm doing all of this as I go and researching how to do it as I go too.  I'm to the point of needing to serve my string and get arrows. I know spine is real important. How do I select my arrows? I don't know where to start. Also, I hear on here that you can add a little weight with sinew but will snake skins add weight too? I wanted 45lbs (hunting weight) which is what I'm at now and I still need to work on that upper limb a little.
« Last Edit: February 25, 2013, 10:57:49 am by Marks »

Offline Weylin

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Re: Almost done with #1
« Reply #12 on: February 25, 2013, 11:28:31 am »
For arrows, you should buy your first set before you get into making them so you have something to shoot that matches your bow. You should talk to Carson at Echo Archery (follow my link). He will set you up with a nice set of arrows for a reasonable price that will be matched to your bow.

I think every one of us wanted to make our first bow into a hunting bow. Do yourself a favor and put that out of your head so you can concentrate on making a bow with a good tiller regardless of the weight. You can always make another. i know that when you make your first bow that it seems all your archery dreams are resting on the outcome of that first bow but it's just not a fair thing to expect of yourself and you'll have a lot more fun with it if you don't have that pressure. Finish this bow with a beautiful tiller even if it's 10# by the time you're done. Shoot it and enjoy it while you're working on your hunting bow with all your new found knowledge.

Offline Cameroo

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Re: Almost done with #1
« Reply #13 on: February 25, 2013, 12:47:03 pm »
I'm to the point of needing to serve my string

Judging by the low brace height in your second picture, it looks like you need a shorter string.  You might be able to shorten it enough by adding a few twists, but you don't want to twist the string much more than 15 or 20 times throughout its length.

You will find out right away if your brace height (distance from the string to where you grip the bow) is too low.  The first indication will be the obscenities that come out of your mouth when you first release the string, followed by the stinging on the inside of your wrist  ;)

Different bows require different brace heights, but a good place to start is by using a "fistmele", which is just your clenched fist with the thumb facing up.  You can use that for reference by putting it between the string and bow.  Another reference that you could use without having to whip out the tape measure for each shooting session (because your string will stretch!) is to see where the fletching on your arrows lay on the bow, or how far from the shelf, and make sure that it's close to the same, every time you use the bow.

Stringman

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Re: Almost done with #1
« Reply #14 on: February 25, 2013, 03:37:32 pm »
I'm with Weylin about not focusing on the how's poundage. That bein said I think it is possible to keep this bow very close to 45#.

I would start by scraping the outer third of the top limb a bit to increase the bend in that area. I would then research the idea of reflexing both limbs. All that work could be done in a 2 hr session if you had an experienced bowyer with you, so the work should not be too daunting. If you are not interested in building a caul, you should still be able to reproduce some fairly consistent results with primitive methods (vise, fork of a tree, hitch on your truck.) Just heat up the area and start applying pressure or load on the limb (reflex.) Don't stop applying heat until you have a nice arc in the limb (remember, there will be some bounce back.) then either tie it off in that position or stand there and hold it for another 10-15 minutes. Soon as its cool it is pretty well set and you can do the other side.

A caul would make the job easier, but I have made a number of bows without one so don't be afraid to experiment. You are definitely on the right track so just take her slow and enjoy the process. You'll be shooting that bow in no time!

Scott