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Bowyer etiquette

Started by ouachitamac, August 14, 2015, 10:52:00 PM

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fujimo

read some of kens posts- he uses the cheap 030 glass and cheap wood for lams, and builds a dirt cheap prototype, that can indicate any flaws in design, but also helps to generate a stack table-
i think its a great way to go with a new design.
good luck mate
keep us posted- and lotsa pics   :)   we all supplement our bow lives vicariously on here!

ouachitamac

Yall are awesomely supportive. I hope to work on it tomorrow. I'll try to take pics all along the way. I got a photobucket account just for this. Hopefully I'll learn to use it.
Genesis 27:3

mikkekeswick

I'm not sure I understand your taper info but  ifg I am reading it right you have far too much taper built in.
For a bow that is 1 inch wide at the fade tapering to 1/2 inch at the tips I would guess somewhere around 0.006 - 0.009 total taper would sufficient. I haven't made any bows one inch wide but maybe somebody who has can chime in?
Your numbers appear to be based on wood only bow taper rates.

ouachitamac

Basically, total thickness of stack at the butts(middle of riser)
Shooting for 1/2" tapering to 3/8" at the tips. Width is 1" to 1/2"
So that's .125" different in the total stack thickness, divided by 32 comes to 0.0039" per inch taper. That's for the whole stack, so I can divide that up over 2 parallels and two tapers, or divide that up on 4 tapers. If I did 2 parallels and 2 tapers, it would be 0.0019" per inch taper. Or using all 4 tapers, .001 per inch taper.
Genesis 27:3

ouachitamac

But.....I have thought a lot and done little. So it may very well all go to crap on the form. Bwahahahahahaha!!
Genesis 27:3

JamesV

Clay.................

You might want to look at your total stack thickness for the weight bow you are wanting to build. .50 is a lot for a 60# R/D bow.

Here are the specs for the R/D bow I took off the form yesterday. 62" NtN 1 3/16" at the fades 3/8" at the tips. Two lams Bamboo with .040 glass. Total Stack .385. 16" riser. .005 taper rate. This bow finished out a 57# and is a real shooter.

Hope this helps and good luck on your build.
Keep us posted on your results.

James
Proud supporter of Catch a Dream Foundation
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