From: bobbykelley
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Date: 13-Feb-19 |
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Hi everyone. I'm starting my first glass bow build and would like some input on if I'm on the right track. I bought the Bingham plans for a 60" recurve and will be using .050 glass (black) for back and belly. My lams are 1/8" and 3/32" red oak and a red oak riser with osage accents. I'm shooting for a 45#-50# @ 28" bow. I know red oaks not the best wood but I just want to get the basics down before I spend an arm and a leg. Thanks for any help.
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From: kennym
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Date: 13-Feb-19 |
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You have about .321" total stack there , it is off their chart.
70# is .292" for a one oiece 60" with 1.75" limb width.
Make sure they use .050 on the recurves.
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From: bobbykelley
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Date: 13-Feb-19 |
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Ok thank you. Looks like I need to grind the lams down some more. Next time I'll look into getting thinner glass. Can you mix glass thickness? Say one .050 and one .040.
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From: BowAholic
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Date: 13-Feb-19 |
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my only advice is to listen to kennym. He makes lams and build nice bows and will help you. Have fun!
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From: Jeff Durnell
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Date: 13-Feb-19 |
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Yes, you can use .050 and .040 on the same bow. I've made some of those Bingham recurves, from in the 40's of draw weight to the 80's. Done it with both 40 and 50 glass. Their weight charts for lam stack will get you close.
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From: bodymanbowyer
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Date: 13-Feb-19 |
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If you're going off of Bingham plans you need to stick with their chart on thickness. But red oak I don't know what it will do. After you stuck with their plans for a while you can alter and change it to where you want once you figure out what's going on. That's my best advice. JF
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From: JamesV
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Date: 13-Feb-19 |
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Bobby.................
I have used red oak for a lot of bows and have been happy. Your bow will shoot hard and fast. With .050 glass, if the bow comes in a little over weight you have enough glass thickness to bring it down a bit. Good luck and keep us in the loop, we need pictures.
James
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From: bobbykelley
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Date: 13-Feb-19 |
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I will take pictures after glue up. Going to try for this weekend but I have to make some tapers for my bow form first. Thanks for the help guys.
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From: bobbykelley
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Date: 18-Feb-19 |
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Ok so the bow turned out ok had some things slip around and had to redraw the lines and sand the limbs down. My limbs ended up right at 1.5" wide. But their .292" thick. I guess I didn't thin them enough. What's the best way to thin them? Could I use a block of wood and some sand paper? I was thinking about taking the belly down about .020 and the back about .010. This should take me down to around .262 and close to 45# to 50#. Does this sound like a good plan? Thanks for any advise.
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From: JamesV
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Date: 18-Feb-19 |
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Bobby..............
What was the total stack that Bingham recomended to hit your draw weight for that build and with what thickness of glass? Sanding the glass is your only option at this point to get the poundage down. Did you put any taper in your lams? Be sure to check your tiller as you sand the glass.
Good luck
James
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From: bobbykelley
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Date: 19-Feb-19 |
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Unfortunately I didn't buy the full Bingham package. I took what I've read from others and tried to work it out on my own. I did not put any tapers in my lams. Didn't quit understand the function or how to implement them. But at least I've learned a lot from this build. It will help me when I do another one. Thanks.
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From: bobbykelley
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Date: 25-Feb-19 |
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Here it is the almost finished bow
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From: 2 bears
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Date: 25-Feb-19 |
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Hey I like that Red Oak riser. Did it come in way too heavy for you? >>>>-----> Ken
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From: JamesV
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Date: 26-Feb-19 |
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Very nice looking bow, I especially like the profile.
god luck on your next one
James
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From: bobbykelley
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Date: 27-Feb-19 |
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Thanks guys. Yes 2 bears it was on the heavy side (I'm guessing about 90#). And boy did I have some issues with it. I learned a lot on this one. But it was fun and it shoots pretty good. Hardly any hand shock. It might shoot better for someone that's right handed (I'm a lefty trying to teach myself to shot right. Here's another picture of it braced.
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From: Iwander
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Date: 27-Feb-19 |
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I looks great. I have found that Bingham's low deflex design is a great performer.
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From: Iwander
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Date: 27-Feb-19 |
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I've had great luck with that basic design when using .040 glass and bamboo or red elm Lams.
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From: bobbykelley
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Date: 27-Feb-19 |
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I'm going to use something else for a better looking bow when I can get my form right and the process right. Red Oak is cheap and makes a pretty good stick bow by itself. I bought Bingham's 58-62 td 64-68 td and their 58 recurve and 60 recurve.
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From: bobbykelley
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Date: 27-Feb-19 |
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I'm going to use something else for a better looking bow when I can get my form right and the process right. Red Oak is cheap and makes a pretty good stick bow by itself. I bought Bingham's 58-62 td 64-68 td and their 58 recurve and 60 recurve.
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From: Iwander
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Date: 27-Feb-19 |
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This guy does some great work too with a Bingham kits design.
http://wookieswords.blogspot.com/?m=1
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