Author Topic: A few questions for you bow builders  (Read 356 times)

Offline Trumpkin the Dwarf

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A few questions for you bow builders
« on: September 06, 2012, 08:59:00 PM »
Ok fellas, I am contemplating building a bow. I have a good amount of fine woodworking experience but no bow building experience. I also have access to an amazing wood shop and therefore tools would not be an issue. With that said, I have several questions for which answers were not found in archives.
1) How expensive would it be to make a one piece glass recurve(assuming real basic woods and black glass on the back)?
2) How hard is it to hit a desired weight with no previous bow building experience?
3) All my previous dealings with epoxy did NOT involve a heat box...Is this actually necessary for bows?
4) Am I completely off my rocker?
Thanks for any help!
Malachi C.

Black Widow PMA 64" 43@32"

Offline bigbob2

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Re: A few questions for you bow builders
« Reply #1 on: September 07, 2012, 03:20:00 AM »
I am sure you will get answers from far more qualified builders but couple  of things. [4] no your definitely not mad, we all have to start somewhere but beware!- it becomes totally addictive and is very hard to stop at one! [3] optimum results come from use of heat box, but many have made bows without one. [2] with no previous experience in 'stack' heights it would be very hard, but I'm sure the recurve guys will give you a bit of a recipe to your desired draw weight.[1] I have to factor in international shipping with mine so this is better answered by a local guy.

Offline tenbrook

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Re: A few questions for you bow builders
« Reply #2 on: September 07, 2012, 09:11:00 AM »
1) $100 (bow material only)

2) If you use someones design (KennyM, Bingham's) you can hit you desired weight very easy as they can tell you what stack to use.  With your own new design it takes a little guess work.

3) No.

4) Not at all.

Offline Living_waters

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Re: A few questions for you bow builders
« Reply #3 on: September 07, 2012, 09:32:00 AM »
something to consider if you are making a glass re curve as your first bow, you will have alot of upfront cost.  Your form will be the foundation of a successful bow. One way to get a good design for a form is to pick up a cheap bow you like the design of and copy it. I picked up a needy little bow on an online auction site for 30 bucks including shipping, copied the profile and tweaked the design a little and made  a sweet little bow. Also repaired the bow I bought added a nice new string and recouped my investment plus alittle profit.

As for the cost of bow itself,The components will be about the same as buying a good stave for making a self bow. Smooth on is a good epoxy and you dont need a hot box for it, just make sure it cures in a stable 70+ ambient temp environment. Some will argue but heat only tempers the glue, it raises its delamination temp, so just dont leave bow in the back window of your car while you are parked mid day in death valley and you will be ok.  You can use cheaper species of lamination's but dont skimp on quality. Nothing hurts worse then having an unstable lame come apart and ruin a bow that would have worked other wise (dont ask How I know this). Maple is usually cheaper and does real well, will feel a little stacky over woods but is very stable.
Many many people build a glass bow as their first bow and have good success. If I am teaching someone else I usually have them build a couple of board bows first Just to get an understanding of the tillering process. That way they know what to look for when finishing. I am sure there is someone here that will fix you up on all your components.
"Whoever believes in me, as the Scripture has said, ‘Out of his heart will flow rivers of living water.'” Jesus

Offline Trumpkin the Dwarf

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Re: A few questions for you bow builders
« Reply #4 on: September 08, 2012, 10:15:00 AM »
So if I let the glue cure at 70 degrees or so it will potentially delaminate at a lower temp? I know most builders prefer a fire hose and an air compressor for their forms. However I have seen some folks use inner tubes instead. I want to build a top quality product and I am guessing I may run into issues if I don't use a heat box or a fire hose as the pressure on my form. Thanks for the help so far. I would welcome any more comments.
Malachi C.

Black Widow PMA 64" 43@32"

Offline CardboardDuck

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Re: A few questions for you bow builders
« Reply #5 on: September 08, 2012, 07:35:00 PM »
I just made my second laminated glass bow, 62" hybrid from binghams.

What I ordered:
2- Clear glass
3- Maple parallels
1 pair- Maple Tapers
1- Cherry Riser
1- white Core tough overlay 1.5" x 18"
1- Cherry accent strip 1.5" x 18"
1 pair- white core tough tip overlays
pint of smooth on
flemish string

That was $153 + shipping, just to give you an idea of the per bow cost.

I use the air hose press and an oven with the thermostat and 4 200w bulbs.

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