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Author Topic: How to tiller a banana bow  (Read 3550 times)

Offline cooter

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Re: How to tiller a banana bow
« Reply #40 on: February 11, 2004, 08:24:00 PM »
DCM,

Sorry, I was slightly off on the weight. I used a bathroom scale and a short hunk of 2X4 to check the weight. I balanced the bow on the 2X4 and attempted to push both tips down with equal pressure. To get the limbs to roughly horizontal brought the scale to 50lbs. So now, I guess I'll try to target a finished bow in the neighborhood of 60#@28".

Mickey,
And you thought I'd be flying blind on working her to weight(so did I but lets not tell anyone). I might not be able to check her using a string and pulling the bow down so I might as well balancer her on her handle and push the tips down instead  :bigsmyl:    

Cooter
what you lack in ability make up for with enthusiasm

Offline Hackbow

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Re: How to tiller a banana bow
« Reply #41 on: February 11, 2004, 11:25:00 PM »
Looks great Cooter! I think you handled those potential hinge areas great. In this most recent pic, it even looks like those spots may "bump" out just a little on the back, which could have falsely pronounced the appearance earlier.

Isn't it about time you put on the helmet and safety goggles?  :knothead:  

Cal....I liked the "8 seconds" comment!!!  "[laffsmyl]"

Offline Marc

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Re: How to tiller a banana bow
« Reply #42 on: February 12, 2004, 07:09:00 AM »
Sorry Cooter. Wasn't on very much in the last few days and didn't see your post.

This is what I do to start off with, I know it's a bit late but what else is new  :) .

 

With the clamped in my vise I grab the tips and bend them by hand  to work the wood and see how they are bending. Then still using my vise I use my long string and T stick like this until I get it up to brace height.

 

Looks like you have already jumped that hurdle though.

I then use this device, that I built especially for highly reflexed bows, to brace the bow.

 

Once the bow is braced it gets a lot easier.
Marc

Offline cooter

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Re: How to tiller a banana bow
« Reply #43 on: February 12, 2004, 03:46:00 PM »
Dang Marc,

I should have told you to go a head and start the build along then jumped in. I like those forms you've got and wish I had a set up like that. guess I'll just have to make due with what I've got and improvise when in doubt.

I think I've got the tiller straightened out. But got to tell you the 'ol rectal spyncter is sure pickering tighter than a snare drum when I took this next pic. She started to snap, crackle, and pop pretty good and being so close and all. Lets just say I don't want to catch a limb if she goes south. Especially after catching a limb across the nose when she flipped on me the first time I put her on the tillering tree.

Again all comments and insights are greatly appreciated.

Thanks,
Cooter

 
what you lack in ability make up for with enthusiasm

Offline cooter

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Re: How to tiller a banana bow
« Reply #44 on: February 12, 2004, 04:07:00 PM »
Upon furthor review of that last pic I think the tips are hitting nearly the same plane but the left limb is starting for form a nice arc while the right limb is nor flat. I'm going to need to correct that be for continuing on with the process. I will be trying to get a short sting on her now. Giddy up and start the stop watch. Any wagers how long I'll ride her before being bucked off   :bigsmyl:  

Cooter
what you lack in ability make up for with enthusiasm

Online John Scifres

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Re: How to tiller a banana bow
« Reply #45 on: February 12, 2004, 04:24:00 PM »
Wow Cooter.  You have done a great job so far.  You've almost inpired me to get on the horse that bucked me a couple years ago.  It had 8" of reflex and I about killed myself floor tillering it.  Threw her way back in the pile.  Found her last night.

Watch out for going too fast.  These reflex bows can fool ya.  I think midlimb on both needs to bend a bit.  Keep at ti.  Get a string on her as soon as possible.  Then it's as easy as fallin' off a horse.  Oops, bad analogy.   :)

John
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Offline Chris R

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Re: How to tiller a banana bow
« Reply #46 on: February 12, 2004, 04:27:00 PM »
Lookin real good.  I think you're ring about the right limb.

Bet that sucker is gonna shoot an arrow with some serious thump  :thumbsup:  

Chris
DAN!(Defeat Autism Now!)

Offline cooter

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Re: How to tiller a banana bow
« Reply #47 on: February 12, 2004, 06:49:00 PM »
I got some good news and some bad news. The good news first, the bows fine for the most part. The bad news is I hog tied her with a short tillering string and the tiller's way off and in the process one of the loops in my tillering string slipped from the nock and the limb caught me across the side of the head. I don't think she liked the way I've been man handling her. No pictures until I get rid of this double vission. Wow she kicks hard   :help:  She's going back in her room for the night or until she learns to behave I think. Wow I'm soar.

Cooter
what you lack in ability make up for with enthusiasm

Offline Chris Wilson

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Re: How to tiller a banana bow
« Reply #48 on: February 12, 2004, 06:56:00 PM »
Can you say OUCH!  Been there and had that happen once or twice.  Luckily, mama always said I had a hard head   :D  .  Stringing a highly reflexed bow like that can be a real adventure.  Thank goodness you only got a knot on the head.
"You're either trained or untrained.  When it hits the fan, you will always fall to the level of your training."

Offline Raven

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Re: How to tiller a banana bow
« Reply #49 on: February 12, 2004, 07:06:00 PM »
Just put her in front of the fire and let her see what could happen if she trys that again  "[tunglaff]"  Man I bet that made a lump  :eek:   Good luck and be SAFE......Raven

Offline Marc

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Re: How to tiller a banana bow
« Reply #50 on: February 12, 2004, 07:07:00 PM »
Cooter. You're best off to tiller the bow with the long string until you get a half decent brace height to her. High reflex bows put so much strain on a string that you pretty well need a steel cable, which is actually what I use  :) . I tiller till I can brace a bow to at least 4" of brace height before switching to a short string.
Marc

Offline horseapple

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Re: How to tiller a banana bow
« Reply #51 on: February 12, 2004, 07:28:00 PM »
Why does that not suprise me  :bigsmyl:  atleast you have a hard head...

JD

Offline rocdoc

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Re: How to tiller a banana bow
« Reply #52 on: February 12, 2004, 08:41:00 PM »
Cooter...JD told me to catch up on this thread. I can sympathize with you. I was working a BBO R-D on my tillering stick this evening and had the tillering string break.  I did a nose dive into the stick and am sporting butterfly bandages on my nose and forehead.....decided to resign myself to twisting up strings tonight ;-)
"The crappy stuff makes you a better bowyer, but the good stuff makes better bows"....Ferret

Offline ks chas

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Re: How to tiller a banana bow
« Reply #53 on: February 12, 2004, 10:08:00 PM »
Cooter you had me  just about ready to get that one back out that I started 3 years ago at MOJAM. Then you made your last post and I rembered why I havent finised it.It sure is fun watching you work this thing out. Your doing great. Charlie

Offline the Ferret

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Re: How to tiller a banana bow
« Reply #54 on: February 12, 2004, 10:44:00 PM »
Sorry Cooter..no score unless you stay on the full 8 seconds. Better luck next time cowboy   :(
There is always someone that knows more than you, and someone that knows less than you, so you can always learn and you can always teach

Offline Hackbow

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Re: How to tiller a banana bow
« Reply #55 on: February 12, 2004, 11:35:00 PM »
Daggonnit Cooter! It's one thing to make yella dust on the floor.......you can sweep that up for the most part. But if you go to bleedin' all over, then Mrs. Cooter may not let you play with the rest of us. Glad you're alright ...........BE CAREFUL!  :saywhat:

Offline Chris R

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Re: How to tiller a banana bow
« Reply #56 on: February 12, 2004, 11:40:00 PM »
Sorry about your head, that wasn't what I meant when I said thump though    :rolleyes:      I got smacked once when I was using a tillering stick on a hickory backed osage when my glue joint failed.  Kinda makes you gunshy.  Cowboy-up    :thumbsup:    

Chris
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Offline cooter

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Re: How to tiller a banana bow
« Reply #57 on: February 13, 2004, 06:58:00 AM »
Thanks for the words of encouragement. Its greatly appreciated. No blood letting this time but I think I put a pretty good knot on that bows limb  :knothead:  

Marc,
I think I'll heed your advice and lengthen out this tillering string for a little while longer. With the long string how do you prevent the bow from becoming whip tillered? Whenever I've used one the bow always seem to come out whip tillered so I try to throw a short string them ASAP. I guess you could say I learned the hard way that thinking might not be appropriet with these kind of bows.

Thanks again guys for all the help,
Cooter

PS I'll be climbing back into the ring after work tonight and will try to post a pic or two after I get this tiller straightened out.
what you lack in ability make up for with enthusiasm

Offline Marc

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Re: How to tiller a banana bow
« Reply #58 on: February 13, 2004, 07:03:00 AM »
Just leave the outer 1/3 of the limbs a bit stiff. I also like to get a short string on a bow as fast as possible.
Marc

Offline cooter

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Re: How to tiller a banana bow
« Reply #59 on: February 13, 2004, 05:35:00 PM »
I'm in tears. Here is a pic of the bow after getting the tiller straighted out and attempting to get her to bend some more before attempting to get a short string on her. If you look close at the board I have attached to my tillering tree I got 3 lines that I use for tip referance when tillering. I had the tips flexing to the second line down with the lone string when I heard a loud pop. I was hoping it was just the hide glue popping but knew in my heart it wasn't. I closed my eyes and let go of the rope I use for tillering. the limbs were no where near where they were before I began. I unclamped the bow grabbed the sinew and pealed it from the back to where I have the tips sinew wrapped.

this thread is all yours now Marc, Or maybe you want to start your own how to thread on how it should be done.

Cooter

 
what you lack in ability make up for with enthusiasm

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