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Author Topic: Boo/Maple/Osage, 140 @ 32 so far  (Read 13387 times)

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Offline toomanyknots

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Boo/Maple/Osage, 140 @ 32 so far
« on: November 17, 2013, 02:43:05 pm »
Here is a Bamboo Maple Osage trilam pulling 140 ish at 32". Not much more to add, just thought I would share. Tiller's probably not perfect, but I am raising the white flag on it and calling it done.



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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 WillS

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Re: Boo/Maple/Osage, 140 @ 32 so far
« Reply #1 on: November 17, 2013, 03:26:44 pm »
Very very nice dude!
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Offline Bearded bowyer

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Re: Boo/Maple/Osage, 140 @ 32 so far
« Reply #2 on: November 17, 2013, 04:08:50 pm »
Beautiful :)
don't use a Dacron string ;)
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Offline toomanyknots

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Re: Boo/Maple/Osage, 140 @ 32 so far
« Reply #3 on: November 17, 2013, 06:14:29 pm »
Thank you, :).
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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 adb

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Re: Boo/Maple/Osage, 140 @ 32 so far
« Reply #4 on: November 17, 2013, 06:27:11 pm »
Tiller looks fine to me. Nice job! How long is it?
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Offline toomanyknots

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Re: Boo/Maple/Osage, 140 @ 32 so far
« Reply #5 on: November 17, 2013, 06:33:48 pm »
Quote from: adb on November 17, 2013, 06:27:11 pm
Tiller looks fine to me. Nice job! How long is it?

Sweet jesus, 84" nock to nock.
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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 adb

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Re: Boo/Maple/Osage, 140 @ 32 so far
« Reply #6 on: November 17, 2013, 06:47:50 pm »
Not unreasonable for 140#. Have you weighed it? If it comes in under 750 grams, it should be good.
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Offline ErictheViking

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Re: Boo/Maple/Osage, 140 @ 32 so far
« Reply #7 on: November 17, 2013, 07:51:04 pm »
Looks like a nice bending beast..
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"He that but looketh on a plate of ham and eggs to lust after it hath already committed breakfast with it in his heart"  C.S. Lewis

Offline toomanyknots

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Re: Boo/Maple/Osage, 140 @ 32 so far
« Reply #8 on: November 17, 2013, 08:12:32 pm »
Quote from: adb on November 17, 2013, 06:47:50 pm
Not unreasonable for 140#. Have you weighed it? If it comes in under 750 grams, it should be good.

According to my digital scale it weights 2.6 lbs, or 1179.34 grams.

Quote from: ErictheViking on November 17, 2013, 07:51:04 pm
Looks like a nice bending beast..

Thank ya.  :)
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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 adb

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Re: Boo/Maple/Osage, 140 @ 32 so far
« Reply #9 on: November 17, 2013, 08:50:56 pm »
Oooh. 1179 grams is heavy, but it is 140# and osage belly. Should be little or no set with those specs, being slightly overbuilt.
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Offline Badger

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Re: Boo/Maple/Osage, 140 @ 32 so far
« Reply #10 on: November 17, 2013, 09:49:49 pm »
      I did a bow mass calculation and came up with between 1100 and 1200 grams, because of the semi stiff mid section and elyptical tiller I allwed for about 10" stiff handle. I love the tiller shape, I bet that bow has some good distance in it.
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Offline toomanyknots

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Re: Boo/Maple/Osage, 140 @ 32 so far
« Reply #11 on: November 17, 2013, 11:17:15 pm »
Quote from: Badger on November 17, 2013, 09:49:49 pm
      I did a bow mass calculation and came up with between 1100 and 1200 grams, because of the semi stiff mid section and elyptical tiller I allwed for about 10" stiff handle. I love the tiller shape, I bet that bow has some good distance in it.

Ya it's a pretty heavy bow, 1 3/8" wide by 1 1/4" thick in center (mike gave me the suggestion on dimensions and they were spot on, so cudos). Thank you Steve, and thank you for doing the mass theory calculation, I still haven't taken the time and figured out how to do that yet, as embarrassing as that is to admit. :)
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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 Cameroo

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Re: Boo/Maple/Osage, 140 @ 32 so far
« Reply #12 on: November 17, 2013, 11:49:49 pm »
Damn, that's a nice one.

Can you yank it back all the way?  ;)
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Offline toomanyknots

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Re: Boo/Maple/Osage, 140 @ 32 so far
« Reply #13 on: November 18, 2013, 08:40:28 am »
Quote from: Cameroo on November 17, 2013, 11:49:49 pm
Damn, that's a nice one.

Can you yank it back all the way?  ;)

Nope, haha.  :)
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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 adb

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Re: Boo/Maple/Osage, 140 @ 32 so far
« Reply #14 on: November 18, 2013, 11:03:57 am »
Quote from: Badger on November 17, 2013, 09:49:49 pm
      I did a bow mass calculation and came up with between 1100 and 1200 grams, because of the semi stiff mid section and elyptical tiller I allwed for about 10" stiff handle. I love the tiller shape, I bet that bow has some good distance in it.

Hmmm. The mass theory is still a bit of a mystery to me as well. I'm just starting to realise its potential for performance.

I did a 120# maple backed yew warbow this summer. 78" ntn, 120#@32". It weighs 773 grams. Less than 1" of set. So, according to the mass theory, is it underbuilt? This bow's performance is amazing (not me shooting it). It has cast a 1/4# (114 gram) arrow 198 yards. Livery arrows (63 grams) 240 yards.
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