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Main Boards => The Bowyer's Bench => Topic started by: Buemaker on April 03, 2019, 09:57:40 AM

Title: Wood species difference
Post by: Buemaker on April 03, 2019, 09:57:40 AM

Take a look at these two trilam ELB. Both were glued up with the same backset. Both are finish tillered. The one on the left is hickory, wenge and ipe and has taken just about no set at all.
The one one the right is hickory, purpleheart and lemon wood and has taken set. They are both the same poundage, but so different in thickness, that ipe is hard stuff.

(https://uploads.tapatalk-cdn.com/20190403/f86802f1db290c0d11a314a598279a3f.jpg)

(https://uploads.tapatalk-cdn.com/20190403/c6707fe7ccac707b84df00070889e799.jpg)


Sent from my iPad using Tapatalk

Title: Re: Wood species difference
Post by: Buemaker on April 03, 2019, 10:00:05 AM

Sorry, this should have been in the what did you do today thread. :knothead:

Title: Re: Wood species difference
Post by: Roy from Pa on April 03, 2019, 10:07:59 AM

It's fine here, Bue..

Title: Re: Wood species difference
Post by: BMorv on April 03, 2019, 10:22:26 AM

I think you got it in the right spot. 

Nice experiment.  That has been my experience too.  Ipe doesn't take much set.  It's just so strong as a belly wood. 

Not a perfect apples to apples comparison, but the ipe/bamboo bendy took almost no set, and the osage self bow took about an 1".
 [ You are not allowed to view attachments ]

Title: Re: Wood species difference
Post by: Flem on April 03, 2019, 10:39:30 AM

They both look nice, Bue. I'm wondering which one is more pleasant to shoot?

Title: Re: Wood species difference
Post by: Buemaker on April 03, 2019, 11:05:19 AM

So far I have only shot them a few times with a tillering string, which is a bit elastic, could not feel any difference. Once I get hornnocks on and a fastflight string I may have to do a bit of adjusting. May feel some difference then.

Title: Re: Wood species difference
Post by: Pat B on April 03, 2019, 08:34:53 PM

Hickory/ipe or hickory/osage are the best backed bow combos I know. I've only made a few tri-lams but for backed bows I don't think you can beat either of those combos. :thumbsup:

Title: Re: Wood species difference
Post by: Stagmitis on April 03, 2019, 10:36:42 PM

It would be interesting to see the physical weight between the two and which has better cast.

Title: Re: Wood species difference
Post by: Flem on April 03, 2019, 10:45:22 PM

Bue, I for one would love to see those bows when you get them all finished up.  :thumbsup:

Title: Re: Wood species difference
Post by: Flem on April 09, 2019, 09:57:57 AM

Bue, I have not been able to stop thinking about your ELB's
Would you mind sharing the dimensions of your lams?

Title: Re: Wood species difference
Post by: Buemaker on April 09, 2019, 11:48:47 AM

Flem, I will check it out tomorrow. Have to go somewhere tonight.

Title: Re: Wood species difference
Post by: Flem on April 09, 2019, 01:36:40 PM

Thanks Bue, your a good man. Have a Akvavit for me.

Title: Re: Wood species difference
Post by: Buemaker on April 10, 2019, 06:03:38 AM

Okay Flem, got some numbers for you.I tapered all lams before glue up.
I have full lenght taper sleds that taper to both sides.
Thickness measurements are taken in the middle.
Hickory Wenge Ipe bow.
Hickory .130-Wenge .260- Ipe .350. Hickory .0015 taper- Wenge .003 taper-Ipe .003 taper.
Hickory Purpleheart Lemonwood bow.
Hickory .130-Purpleheart .200-Lemonwood .600.
Hickory .0015 taper- Purpleheart .0015 taper-Lemonwood .0015 taper.
The belly lams had of course to be adjusted when tillering.
Give or take a few thousands on measuring.
The bow with Lemonwood is 72 ntn, the other 71 ntn.
This yields bows about 45 pounds at 28 inch draw.
I think the density and hardness of Ipe can make some difference.

Title: Re: Wood species difference
Post by: Flem on April 11, 2019, 01:19:36 PM

Thanks Bue! Your awesome :thumbsup:
Maybe I should be cursing you for planting a seed I didn't need to have in my pea brain ;)
I've been thinking about a Bamboo/maple/cherry ELB. I have full length wood for that combo.
Only ever made a non laminated ELB and that was a long time ago.

Title: Re: Wood species difference
Post by: Buemaker on April 11, 2019, 02:48:47 PM

Got this couple finished, posting a couple of pics
(https://oi1289.photobucket.com/albums/b506/timian46/7C3B393D-39CF-425E-BB0E-503668CA1EB8_zpslna1trav.jpeg) (https://s1289.photobucket.com/user/timian46/media/7C3B393D-39CF-425E-BB0E-503668CA1EB8_zpslna1trav.jpeg.html)

Title: Re: Wood species difference
Post by: Buemaker on April 11, 2019, 02:50:12 PM

Upper horns.
(https://oi1289.photobucket.com/albums/b506/timian46/AC70B195-2969-4A82-AC25-7FAB15A9E0DE_zpsvxwranvp.jpeg) (https://s1289.photobucket.com/user/timian46/media/AC70B195-2969-4A82-AC25-7FAB15A9E0DE_zpsvxwranvp.jpeg.html)

Title: Re: Wood species difference
Post by: Buemaker on April 11, 2019, 02:51:26 PM

From side
(https://oi1289.photobucket.com/albums/b506/timian46/C9D00461-DB7C-405A-8AFA-27F9E349C77C_zpsbyuukexq.jpeg) (https://s1289.photobucket.com/user/timian46/media/C9D00461-DB7C-405A-8AFA-27F9E349C77C_zpsbyuukexq.jpeg.html)

Title: Re: Wood species difference
Post by: Buemaker on April 11, 2019, 02:52:41 PM

Lower horns, one buffalo and one cow
(https://oi1289.photobucket.com/albums/b506/timian46/813AB74D-E8E7-4011-AC83-57ECEDEFCC98_zpsjhajbees.jpeg) (https://s1289.photobucket.com/user/timian46/media/813AB74D-E8E7-4011-AC83-57ECEDEFCC98_zpsjhajbees.jpeg.html)

Title: Re: Wood species difference
Post by: Roy from Pa on April 11, 2019, 03:50:14 PM

Very nice, Bue.

I've always wanted to try that.

Title: Re: Wood species difference
Post by: Flem on April 11, 2019, 04:20:08 PM

Those look great! :thumbsup:
I'm guessing thats African buffalo, not North American Bison.

Title: Re: Wood species difference
Post by: Pat B on April 11, 2019, 06:46:08 PM

Nice work, Bue. Can we see a full draw pic. Are they arc of a circle or stiff handle(Victorian style).

Title: Re: Wood species difference
Post by: Flem on April 11, 2019, 11:20:06 PM

I was looking around the internet to see all the different wood combos people were coming up with for ELB's and one name seemed to be everywhere people were making wood bows, Pat B.

Title: Re: Wood species difference
Post by: Pat B on April 12, 2019, 07:17:37 AM

It's an illness.   :bigsmyl:

Title: Re: Wood species difference
Post by: Flem on April 12, 2019, 01:25:44 PM

Quote from: Pat B on April 12, 2019, 07:17:37 AM

It's an illness.   :bigsmyl:

Hope it's chronic ;)

Title: Re: Wood species difference
Post by: Buemaker on April 12, 2019, 02:27:15 PM

Here you go Pat.
(https://oi1289.photobucket.com/albums/b506/timian46/BD5B94B1-5995-491F-A035-69CF1CCBE694_zpszqoiwlm6.jpeg) (https://s1289.photobucket.com/user/timian46/media/BD5B94B1-5995-491F-A035-69CF1CCBE694_zpszqoiwlm6.jpeg.html)

Title: Re: Wood species difference
Post by: Buemaker on April 12, 2019, 02:28:07 PM

(https://oi1289.photobucket.com/albums/b506/timian46/5961E77E-E628-464C-AD6C-4EFE018484A0_zpsdp2sra9d.jpeg) (https://s1289.photobucket.com/user/timian46/media/5961E77E-E628-464C-AD6C-4EFE018484A0_zpsdp2sra9d.jpeg.html)

Title: Re: Wood species difference
Post by: Roy from Pa on April 12, 2019, 03:24:39 PM

Very nice, Bue..