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Deflex ?

Started by Crooked Stic, August 26, 2007, 05:40:00 PM

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Crooked Stic

I just done some expermenting with a set of limbs that came out too light. They are 43@28 on a 11& degree fade angle riser. Sooo I got to thinking   :bigsmyl:  What would happen if I made a riser with less fade angle. I made one with a 7% angle. That made the same limbs gain 9 lbs. at 28 ins. and uped the fps by quite a bit.
For you guys that have expermented with this how much can a person go and still be safe. I realize there will be a point that the limbs will start to stack sooner than with the old angle. They did stay smooth with the change. May be a way to up the performance for a short draw length.
High on Archery.

gwhunter

Good to know and great idea.   :thumbsup:
Jesus died for us!  Following him brings us closer to God.  Think about it!

Crooked Stic

High on Archery.

Coop

Earlier this Spring I was experimenting with a 54" T/D recurve. I made the riser 15" instead of 19" so  I could use my standard 58" bow limbs. I went with 16 degrees compared to the standard 22 degrees just for curiosity. The bow stacks a little being so short at my draw, but is noticeably faster and I didn't have a failure.

Not really related just wanted to share my experiment, lol.
"Twenty years from now, you will be more disappointed by the things that you didn't do than by the ones you did do"

-Mike

O.L. Adcock

CS, you are becoming a bowyer!  :)  So what happens if you make the bow longer and or a shorter riser?? Could that counteract the stacking sooner?? What would reflexing/stiffening the tips more do? How much deflex does a "Hill" style bow have in it?? Deflex is anti"reflex" with each having opposite effects to each other....O.L.
---Six NAA/FITA National and World flight records.----

Crooked Stic

Thanks O.L. Yeah I think I have most of it figured out. Just need to do some more expermenting to bring it all together.
High on Archery.

shantam

im my limited expirience,less deflex will raise
the preload.
a bow with a good preload will be a good performer
AND smooth to pull.
of course leaving everthing else in the  design the same,the bow will stack earlyer and will have a higher draw weight.
but its preaty easy to counter act that.
the first thing i would do is play with taper.
riser length,working limp,how stiff the tips are.

in my opinion a bow with less deflex is what i want and build.

shantam
bowbuilding is fun

Osagetree

Could you devise a shim that would allow a 3 piece bow to change draw and or performance by adding the pre set angled shims between the limbs and riser?

Patent?
>>--TGMM--> Family of the Bow

archrmn

Osagetree, Thats what I was thinking ,I've got some small samples of action wood I'm about to try I think. Whats your opinion O.L.? Thanks alot!!

Crooked Stic

Shims will work. They just have to match.
High on Archery.


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