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Author Topic: Twist, how much is too much... (now progress pics)  (Read 5500 times)

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Offline Lee Slikkers

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Twist, how much is too much... (now progress pics)
« on: January 29, 2012, 06:05:53 pm »
I have a nice 56" piece of Lilac that has a little bit of prop twist to it...   >:D  It is a true 180 degree swirl, should this be attempted in multiple sessions or all at once?





Thanks!

« Last Edit: January 31, 2012, 07:39:56 pm by Lee Slikkers »
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~ Lee

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"The last word in ignorance is the man who says of an animal or plant: 'What good is it?"
— Aldo Leopold
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Offline Youngboyer2(billyf)

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Re: Twist, how much is too much to try and steam out of a stave?
« Reply #1 on: January 29, 2012, 06:24:09 pm »
I am new at this so you can just disregard what I say but from what I know taking it slow is the way to go, broken bows make great Learning experiences but at the same time they don't shoot very well
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Offline gstoneberg

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Re: Twist, how much is too much to try and steam out of a stave?
« Reply #2 on: January 29, 2012, 06:30:49 pm »
Depends on your method.  I would think it would be hard to steam that much wood and get it straightened out on a form before it cooled off too much.  If it's cured I'd do it with dry heat and several heatings.  Actually, with that one, I'd look for another stave.  I do a lot of crooked wood, but 90 degrees is my personal limit.  I'm sure it can be done, but not by me.  Hopefully by you. :D

Have fun,
George
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Offline Pat B

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Re: Twist, how much is too much to try and steam out of a stave?
« Reply #3 on: January 29, 2012, 06:44:55 pm »
Lee, I've not worked lilac so I don't know how well it reacts to heat but I changed this osage stave...


...into this bow but used many heating and straightening sessions...







This was a TG bow trade bow. Here is the new owner, Joe Weed, shooting it backwards... ;D

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Make the most of all that comes and the least of all that goes!    Pat Brennan  Brevard, NC

Offline Lee Slikkers

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Re: Twist, how much is too much to try and steam out of a stave?
« Reply #4 on: January 29, 2012, 06:48:29 pm »
Thanks Guys and Pat, I appreciate the encouragement and example...nothing ventured, nothing gained right???   >:D  I'll see what some oil and dry heat and a handful of sessions will bring me.

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~ Lee

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"The last word in ignorance is the man who says of an animal or plant: 'What good is it?"
— Aldo Leopold
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Offline Pat B

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Re: Twist, how much is too much to try and steam out of a stave?
« Reply #5 on: January 29, 2012, 06:50:01 pm »
Lee, get that thing close to bow size before you try to straighten it. It is way too much wood there now.
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Make the most of all that comes and the least of all that goes!    Pat Brennan  Brevard, NC

Offline Lee Slikkers

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Re: Twist, how much is too much to try and steam out of a stave?
« Reply #6 on: January 29, 2012, 07:10:07 pm »
Will do Pat...thanks again for the advise.
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~ Lee

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"The last word in ignorance is the man who says of an animal or plant: 'What good is it?"
— Aldo Leopold
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Offline sadiejane

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Re: Twist, how much is too much to try and steam out of a stave?
« Reply #7 on: January 30, 2012, 12:51:04 pm »
well lee, my experience is very limited.
but i was, as pat, with dry heat and numerous sessions able to get this

to this


with a significant wind check patched with rawhide, its still holding and shooting good
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Offline Pappy

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Re: Twist, how much is too much to try and steam out of a stave?
« Reply #8 on: January 30, 2012, 01:03:06 pm »
Not sure on that wood but I know You can get that much out of an Osage stave
and Have taken close to that much out of IW and Persimmon.Give it a try,then you will know. ;) ;D ;D and so will we. :)
   Pappy
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Offline Lee Slikkers

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Re: Twist, how much is too much to try and steam out of a stave?
« Reply #9 on: January 30, 2012, 01:20:25 pm »
Thanks SadieJane & Pappy...I would hardly question it if it was Osage but it is a lot softer than Osage and checks like @#$# once any bark is removed or if any branch/knot locations are not 110% sealed.  This stuff have been drying for over a year so since it's white wood I am sure it is dry so that should reduce any possible checking issues.

I think my biggest challange might be just trying to reduce it it to a bow profile with it in the current corkscrew stave.  I guess before I continue chasing a back ring (more like just scraping past the cambium layer) I will attempt a layout on it with a pencil and then see how good my bandsaw abilities are...I've cut a lot of character staves before but this one will likely push me to my limits  :o
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~ Lee

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"The last word in ignorance is the man who says of an animal or plant: 'What good is it?"
— Aldo Leopold
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Offline JW_Halverson

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Re: Twist, how much is too much to try and steam out of a stave?
« Reply #10 on: January 30, 2012, 11:45:23 pm »
If you got a good solid vice, a heat gun, a Jorgenson woodworkers clamp or pipe wrench, and a bucket of water for weight I bet you will tame that purple propeller!

If you can't, send it to me and I will.
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Offline Lee Slikkers

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Re: Twist, how much is too much to try and steam out of a stave?
« Reply #11 on: January 30, 2012, 11:50:25 pm »
Thanks for the idea JW...got her reduced down to "heat-able" untwisting dimensions...we'll see how it goes.
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~ Lee

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"The last word in ignorance is the man who says of an animal or plant: 'What good is it?"
— Aldo Leopold
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Offline JW_Halverson

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Re: Twist, how much is too much to try and steam out of a stave?
« Reply #12 on: January 31, 2012, 12:14:35 am »
Do it up in 10" sections at a time, do one limb, allow it to cool and flip 'er around and do another section on the other limb.  How do you eat an elephant?  One bite at a time.  And a LOT of catsup.
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Offline Lee Slikkers

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Re: Twist, how much is too much to try and steam out of a stave?
« Reply #13 on: January 31, 2012, 07:39:05 pm »
Well, reduced her a bit last night, here are some "before" pics...







 Here are some shots of the 1st heat session late last night...







Here are some progress shots after I gave her another round this morning...





Got 90 degrees removed so far, we'll see what tomorrow holds.

Stay tuned...
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~ Lee

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"The last word in ignorance is the man who says of an animal or plant: 'What good is it?"
— Aldo Leopold
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Offline JW_Halverson

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Re: Twist, how much is too much... (now progress pics)
« Reply #14 on: January 31, 2012, 08:05:29 pm »
Atta boy!  Don't take no crap offa that stave!
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Guns have triggers. Bicycles have wheels. Trees and bows have wooden limbs.
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