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Author Topic: Maple backed ipe r/d 32# at 28", a successful experiment...  (Read 5634 times)

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Offline toomanyknots

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Maple backed ipe r/d 32# at 28", a successful experiment...
« on: July 05, 2013, 11:32:10 pm »
Well I guess I should use the word "experiment" lightly, as most people on here probably would not have to have an "experiment" to find this out probably... but I did, :). I have been making r/d bows and flat bows in general that are tillered and ready to string and go right after nocking and cleaning up after glue up. I have been width and thickness tapering my lams though to do this. I figured though, with a straight pryamid width taper, I really shouldn't have to thickness taper my lams at all, I should just be able to do the same consistent thickness for both backing and belly lams. (except for the power lam of course). So I tried it out, doing a consistent thickness for my maple backing and my ipe belly, and it worked just fine, only tillering I did was slightly weakening one limb with a scraper to get a balanced slightly positive tiller. Other than that, soon as I strung it, it was ready to shoot! (I know it's really not a big deal, but it means a lot less work on the belt sander for the same results, so I am nice and happy, lol) I don't have the exact dimensions at hand right now, but it is basically a pyramid bow glued into a r/d design. Hard maple backing, ipe belly, buffalo horn nocks. 32# @ 28", about 60" nock to nock. Also, I do realize I have a bit much deflex in the handle,  ::). I just made like 3 forms, I think I killed my drill in the process, and still need to make another obviously with about ten times less deflex... Oh well, here's some pics:





















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"The way of heaven is like the bending of a bow-
 the upper part is pressed down,
 the lower part is raised up,
 the part that has too much is reduced,
 the part that has too little is increased."

- Tao Te Ching, 77, A new translation by Victor H. Mair

Offline Pat B

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Re: Maple backed ipe r/d 32# at 28", a successful experiment...
« Reply #1 on: July 05, 2013, 11:46:46 pm »
The full draw profile makes me think of a mini Yumi bow.  8)
 We all start with experimentation. Some of these experiments work, some don't but we learn from them all.  ;)
 You didn't give dimensions but if you start with a thinner backing and thicker belly the draw weight should go up considerably, especially with an ipe belly. Ipe likes to be narrow and thick.
 You did a real nice job on the detail work.
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Offline toomanyknots

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Re: Maple backed ipe r/d 32# at 28", a successful experiment...
« Reply #2 on: July 06, 2013, 12:37:24 am »
Quote from: Pat B on July 05, 2013, 11:46:46 pm
The full draw profile makes me think of a mini Yumi bow.  8)
 We all start with experimentation. Some of these experiments work, some don't but we learn from them all.  ;)
 You didn't give dimensions but if you start with a thinner backing and thicker belly the draw weight should go up considerably, especially with an ipe belly. Ipe likes to be narrow and thick.
 You did a real nice job on the detail work.

Thank you Pat B! With these self tillering pyramid bows, my plan is to, (after I make a new less deflexed form, and decide on the right length and all), to take down all the dimensions and final draw weights of these bows so I can eventually rip out a belly lam (or a couple) at a certain thickness and get consistent results. Like if I want a 55# @ 28" bow, I will know what thickness to go with, that will give me that draw weight, and it will be easy and simple to adjust per draw weight since the only differing factor will be the thickness for the most part. (Probably not all too realistic with how wood varies and all, but I can dream,  ;D).
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"The way of heaven is like the bending of a bow-
 the upper part is pressed down,
 the lower part is raised up,
 the part that has too much is reduced,
 the part that has too little is increased."

- Tao Te Ching, 77, A new translation by Victor H. Mair

Offline Joec123able

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Re: Maple backed ipe r/d 32# at 28", a successful experiment...
« Reply #3 on: July 06, 2013, 12:48:58 am »
Omg that bow is beautiful how do you get such a professional looking finish on your bows ?
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Offline toomanyknots

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Re: Maple backed ipe r/d 32# at 28", a successful experiment...
« Reply #4 on: July 06, 2013, 01:06:07 am »
Quote from: Joec123able on July 06, 2013, 12:48:58 am
Omg that bow is beautiful how do you get such a professional looking finish on your bows ?

Haha, thank you. I think my camera makes the finish look better than it really is, lol. I sanded this bow to 2500 and than just a couple light coats of pure tung oil. (the real stuff from woodcrafters, I like it better just because it smells good and not toxic like home depot or lowes "tung" oil. It smells all rich and nutty, like trail mix or something. I like the way stuff smells anymore just as much as it looks or functions, haha. Like, for example, I like how much my classical guitar smells in the soundhole just as much as I like the way it sounds anymore...  ;D)
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"The way of heaven is like the bending of a bow-
 the upper part is pressed down,
 the lower part is raised up,
 the part that has too much is reduced,
 the part that has too little is increased."

- Tao Te Ching, 77, A new translation by Victor H. Mair

Offline LEGIONNAIRE

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Re: Maple backed ipe r/d 32# at 28", a successful experiment...
« Reply #5 on: July 06, 2013, 01:16:28 pm »
Great looking bow toomany. I like the style of these deflex handle bowsbthey are a joy to shoot. You nocks look great
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Offline missilemaster

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Re: Maple backed ipe r/d 32# at 28", a successful experiment...
« Reply #6 on: July 06, 2013, 01:46:59 pm »
very nice bow! Smooooooooth comes to mind. 8)
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Offline Zion

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Re: Maple backed ipe r/d 32# at 28", a successful experiment...
« Reply #7 on: July 06, 2013, 05:04:03 pm »
Niiiiiiiiiiiiiiiiiiiiice.
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Offline dragonman

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Re: Maple backed ipe r/d 32# at 28", a successful experiment...
« Reply #8 on: July 07, 2013, 05:00:41 pm »
missed this one on the front page......interesting bow....nice work...
it looks like maple and ipe work well together, I was wondering about this combo myself

Dave
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Offline SLIMBOB

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Re: Maple backed ipe r/d 32# at 28", a successful experiment...
« Reply #9 on: July 07, 2013, 05:33:13 pm »
I like that a lot TMK.  Lot's of deflex, but I wouldn't say too much by any measure.  Sweet!
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Offline toomanyknots

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Re: Maple backed ipe r/d 32# at 28", a successful experiment...
« Reply #10 on: July 07, 2013, 10:06:17 pm »
Thanks guys!
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"The way of heaven is like the bending of a bow-
 the upper part is pressed down,
 the lower part is raised up,
 the part that has too much is reduced,
 the part that has too little is increased."

- Tao Te Ching, 77, A new translation by Victor H. Mair

Offline Pappy

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Re: Maple backed ipe r/d 32# at 28", a successful experiment...
« Reply #11 on: July 08, 2013, 07:56:52 am »
Very nice job,I'm with Cody,bet it a smooth shooter. :)
   Pappy
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Offline PEARL DRUMS

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Re: Maple backed ipe r/d 32# at 28", a successful experiment...
« Reply #12 on: July 08, 2013, 10:37:05 am »
So you can still build bows without the hair Samson! Nice cut and experiment TMK.
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Offline toomanyknots

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Re: Maple backed ipe r/d 32# at 28", a successful experiment...
« Reply #13 on: July 08, 2013, 02:04:17 pm »
Quote from: PEARL DRUMS on July 08, 2013, 10:37:05 am
So you can still build bows without the hair Samson! Nice cut and experiment TMK.

Haha, what do you know!  ;D

Quote from: Pappy on July 08, 2013, 07:56:52 am
Very nice job,I'm with Cody,bet it a smooth shooter. :)
   Pappy

Thank ya Pappy!
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"The way of heaven is like the bending of a bow-
 the upper part is pressed down,
 the lower part is raised up,
 the part that has too much is reduced,
 the part that has too little is increased."

- Tao Te Ching, 77, A new translation by Victor H. Mair

Offline Prarie Bowyer

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Re: Maple backed ipe r/d 32# at 28", a successful experiment...
« Reply #14 on: July 11, 2013, 01:53:01 pm »
Nice.  I have something similar in the works.  PM me with thicknesses if you wouldn't mind. 
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