Author Topic: Stack numbers with 0.030" v 0.040" glass  (Read 378 times)

Offline bownarra

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Stack numbers with 0.030" v 0.040" glass
« on: July 15, 2022, 09:50:53 AM »
Hi all,
I'm just grinding the lams for a couple of new bows. I always used 0.030" glass with this design. My stack numbers are -  0.375" stack for 45# with 30 thou' glass.
I've only been able to get 0.040" glass for these bows and was wondering if I should alter the stack with the thicker glass.
Thanks :)

Online Longcruise

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Re: Stack numbers with 0.030" v 0.040" glass
« Reply #1 on: July 15, 2022, 10:07:31 AM »
What is the design?  ASL?  Recurve?  R/D longbow?
"Every man is the creature of the age in which he lives;  very few are able to raise themselves above the ideas of the time"     Voltaire

Offline Crooked Stic

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Re: Stack numbers with 0.030" v 0.040" glass
« Reply #2 on: July 15, 2022, 11:03:56 AM »
Very little in my experience.
High on Archery.

Online Kirkll

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Re: Stack numbers with 0.030" v 0.040" glass
« Reply #3 on: July 16, 2022, 08:02:15 PM »
You can Grind the glass to .030 if you want, but it’s not necessary.

 My experience is about .002 per pound on glass thickness on adjusting weight, but if your stack height is the same using thicker glass you won’t see a lot of difference in draw weight, but will loose a bit of performance in lighter draw weight bows due to mass weight increase…. But it’s splitting hairs on that too.

Kirk
Big Foot Bows
Traditional Archery
bigfootbows@gmail.com
http://bigfootbows.com/b/bows/

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