Primitive Archer

Main Discussion Area => Bows => Topic started by: Blaflair2 on October 20, 2013, 12:11:24 pm

Title: Laminate bow
Post by: Blaflair2 on October 20, 2013, 12:11:24 pm
Well I did a little experiment.  ::)

It's a hickory backing with two sets of tapered maple lams and a 3/8" belly of red oak. I had the red oak as scrap and like I said, experiment. I wales clamps down and used electrical tape to keep tight. Glue lines looks good. We'll see once it's cleaned up. Ill post pics later.
Title: Re: Laminate bow
Post by: Blaflair2 on October 20, 2013, 12:12:15 pm
I forgot to post my initial pic of the glue up
Title: Re: Laminate bow
Post by: Blaflair2 on October 20, 2013, 12:12:49 pm
Lol also the tips are gonna go to about the top of the blocks
Title: Re: Laminate bow
Post by: Pat B on October 20, 2013, 12:27:42 pm
Good luck on your experiment. Too bad you didn't have a strip of osage or ipe for the belly. I hope the red oak holds up for you.
Title: Re: Laminate bow
Post by: Blaflair2 on October 20, 2013, 03:22:28 pm
Believe me pat, I'd much have rather used something else. We'll see what happens.
Title: Re: Laminate bow
Post by: IdahoMatt on October 20, 2013, 03:35:21 pm
Looks like it will be fun.  Hoping for the best for ya 8)
Title: Re: Laminate bow
Post by: blackhawk on October 20, 2013, 04:14:29 pm
Did u do a dry run of the glue up and shaping on the form before glue up? That's a lil harsh of a reflex bend and gonna be a booger....try to spread it out next time...
Title: Re: Laminate bow
Post by: Blaflair2 on October 20, 2013, 05:53:58 pm
Lol well if it works the part that's reflexed up isn't going to bend. I'm gonna make it a mollie. They'll be about 10" levers. I'm sure it's gonna go boom. It was more of an experiment with my electrical tape method. My glue lines all look good though. I'm gonna make one for my step son. A little reflex deflex. It won't be as extreme
Title: Re: Laminate bow
Post by: Blaflair2 on October 21, 2013, 09:02:45 pm
Well I got it all trimed up and pretty clean. Cut to length. I decided on a static handle because one lam has about a 1/16" gap between the 45 to the other lam. Seems to be ok to try and make something outta. I'll try and post picks once the handle is all glued up.
Title: Re: Laminate bow
Post by: adb on October 21, 2013, 09:25:37 pm
Harsh bends mid-limb on your reflex. I hope it holds. What kind of glue did you use?
Title: Re: Laminate bow
Post by: Blaflair2 on October 21, 2013, 10:40:45 pm
Tightbond 3. It's gonna be a lever bow so the ends aren't working for the last 10" or so. Just and experiment
Title: Re: Laminate bow
Post by: adb on October 22, 2013, 12:57:44 am
TB3 won't be very happy with a 1/16" gap, but I hope it works out for yah!
Title: Re: Laminate bow
Post by: Blaflair2 on October 22, 2013, 09:08:02 am
Yeah I know it likes a good tight fit. If it break it breaks. But at least I tried lol
Title: Re: Laminate bow
Post by: blackhawk on October 22, 2013, 09:19:10 am
That's the problem with that harsh of a bend...your lams wont wanna lay tight to each other past it,and it will also starve your glue joint right at the apex of the bend,and like Adam says you do not want a gap with tb3 OR a starved joint with it.....if it were me I wouldn't even try to tiller that if you do have 1/16" gaps and a highly suspected starved glue joint.....I would heat it up and take the lams apart,then clean them up and reglue....
Title: Re: Laminate bow
Post by: Blaflair2 on October 22, 2013, 10:31:38 am
The gap isn't between the lams it is between then splice. Right I'm the center. Everything else looks good. No gaps. So I figure if I stiffen the handle up it's be ok, am I wrong?
Title: Re: Laminate bow
Post by: PEARL DRUMS on October 22, 2013, 11:24:18 am
Be very careful with it. Your breaking many "rules". Have fun, learn and be extra careful. You haven't left yourself any working limb, that means something has to give at center, that's your splice.
Title: Re: Laminate bow
Post by: Blaflair2 on October 22, 2013, 01:29:55 pm
Well it was all an experiment with electrical tape for glue up. Everything looks good except the gap. Which was my fault not the tapes. So my experiment was a success. Even though the bow is now concidered in the burn pile.