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Main Boards => The Bowyer's Bench => Topic started by: Goldrums on April 28, 2016, 02:53:00 PM

Title: Splicing glass
Post by: Goldrums on April 28, 2016, 02:53:00 PM
Hey guys, new to the forum.  Thanks for the add.

I'm in the planning stages of a glass R/D.

My problem is, I'm kind of a knuckle dragger.  (True 32" draw.)  I want to build a 74" bow with solid glass on the back.

Does anyone know where I can get a piece of glass that that's around 76 inches?  All I can find are 72" lengths, or a 328 ft spool from Bearpaw, but I didn't want to spend $600.

Thanks for the help.
Title: Re: Splicing glass
Post by: KenH on April 28, 2016, 05:44:00 PM
Are you wanting a flat/straight bow or a recurve?

Personally, I'd build a 72" bow.  You can no doubt get a true 32" draw from a 72" design without horrible stacking.  There really is nothing longer than 72" in fiberglass except for the spool.
Title: Re: Splicing glass
Post by: Goldrums on April 29, 2016, 12:23:00 AM
Thanks,

I guess I should also pose the second half of the question and hence the title of the post subject.  Is it possible to splice sections of glass together, or does that create a weak spot?

This would be on the back of the bow, possibly even under an overlay on the back of the handle.
Title: Re: Splicing glass
Post by: Goldrums on April 29, 2016, 12:27:00 AM
Also, forgot to mention, it's a longbow.
Title: Re: Splicing glass
Post by: Pago on April 29, 2016, 12:28:00 AM
Under the overlay(s) in the middle of the back of the riser should be just fine.
Title: Re: Splicing glass
Post by: mikkekeswick on April 29, 2016, 03:51:00 AM
Yes you could but there is no problem making a 32 inch draw bow from 72 inch strips. If you make a bow too long for it's intended drawlength you will get a slow/innefficent bow.
Title: Re: Splicing glass
Post by: EwokArcher on April 29, 2016, 11:59:00 AM
You could do something like a take down with longer than average limbs to get that length, but I agree with Ken about just making a 72" bow.
Title: Re: Splicing glass
Post by: Robertfishes on April 29, 2016, 12:50:00 PM
If your buying tapers they usually come in 36 inch lengths..then you will lose an inch making the scarf joints.. I would think a 70" bow would still work for a 32" draw? I built a 66" D/R for a guy who pulled 30.5", I think it could be pulled to 32 before string angle hit close to 90 degrees
Title: Re: Splicing glass
Post by: Goldrums on April 29, 2016, 10:30:00 PM
Great info.  Thanks again!
Title: Re: Splicing glass
Post by: JamesV on April 30, 2016, 09:37:00 AM
Someone out there should have a spool of Bearpaw glass and could sell you what you need.