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Best Birthday Present Ever

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CraigMBeckett:

--- Quote from: Del the cat on January 15, 2012, 04:23:54 pm ---Done it for the upper limb. It was based on 80A0608 (page 607 Weapons of Warre)
Length ntn 1892mm
figures are position, width, depth
Centre 36.0, 32.55
100      34.6, 32.59
200      33.55, 29.76
400      32.00, 28.34
600      29.60, 27.17
800      24.85, 20.32
900      20.66, 18.92
edge of horn nock 14.9, 14.7
It's built for a guy who wanted 90# at 28".
I've taken it to 29 ~100 and were it not for two big knots on the belly/side I'd feel it was easily ok for 32".
There is a slight pinch on one knot on the belly. I'd estimate it would be about 120 at 32".
It's hard to measure accurately due to paralax and not wanting to hold at full draw whilst messing about.
The Yew was cut early last November by a tree surgeon topping out some old Yew at Audley End House. http://www.english-heritage.org.uk/daysout/properties/audley-end-house-and-gardens/
Hope this is useful.

Have a look at my bowyers diary, I posted a short vid and a still, you can see I'm not quite back to full draw.
I'm hoping to maybe get some better footage tomorrow in the back garden (when Mrs Cat is out ;))
Once I get decent pics, I'll post it here on PA, dunno if I should post in warbows or just bows really...?
While I'm at it, here are the draw weight length figures I took (rather hurriedly), it's fairly linear.
lbs dist "
10, 9.5
20, 11.75
30, 14.2
40, 16.8
50, 19.25
60, 22
80, 24
90, 28
Del

--- End quote ---

Hi Del,

Thanks for posting the dimensions. Comparing your's with WoW for bow 80A0608 it looks like your bow is generally both wider and deeper so all thing being equal (which of course they are not), you should be coming up with a stronger bow, but of course there then is the question of the quality of the Yew, do you have a ring count for the stave and was it from the bole or a limb? Was the measured limb the top or bottom one and if possible can you post the dims of the other limb.

If you ever draw it further  than the 29" and measure the weight please let me know what it achieves.

Hopefully others who build MR approximations will, over time publish, the info on their bows so we can then get a better idea of the likely weight of the originals.

Craig

Ian.:
It is interesting to see what it will achieve. Del from looking at the bow first hand was there any knots or weakness in the bow that the bow maker would have had to content with, overall what is the quality of the original?

Parnell:
Super post Del.  What an outstanding idea for a gift.

Del the cat:
@ Craig.
I prob won't pull it past 29" as there are some pretty severe knots and I don't want to blow it.
Can't be bothered to measure up the lower limb as it's nicely finished now and I don't want to be sticking masking tape on it and marking distances. It roughly follows the WoW dimensions in a similar way to the upper.
Not my dims are generally a tad over rather than under because ye cannae put the wood back on!
It wasn't a huge log prob' 7" diameter, the Yews were bing trimmed back so I'd guess it was some of the taller stuff being topped out.
This pic shows the worst knot, it showed on the belly but not on the back, so I didn't know where it went??!
As I worked the bow down, it became exposed as squarish knot of rotten wood showing on the side of the bow. I figured the only way to fill it was to clean out the rot then pack it with Yew dust & epoxy mix to provide a sound surface which I could then drill and peg. It took 3 pegs of 11/32" and a final one of 7mm to plug the hole, the pegs go in at and angle towards the belly and are about 3/8 to half inch long.

The redish tinge round the knot is a nice feature, there's a smilar knot on the other limb, which isn't quite so bad and has a very slight pinch. It's a wonder it holds up.
As the force draw plot is pretty linear, you could plt it and interpolate back to 32".
I'll see if I can do a ring count and tack it on the end of this post.
Ring count per inch is meaningless on this stave! (see below)
At the grip there is a 1/2" band of very tight rings on the belly 0.011" wide, then a band of wide rings upto a maximum of about 0.056" wide for another half inch, then as we aproach the back of the bow and the sapwood the rings go very tight again, which made trying to follow a ring on the back pretty tough.
Del

CraigMBeckett:
Thanks Del.

Nasty Knot that, is that a split I see going from the centre of the knot on the back to the knotty area on the side?

Craig.

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