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Shooting Shorty
donnieonetrack:
Patrick, I spent about 2 hours last night shooting and tring to figure out what works. My best shooting only came once I made sure I was pulling the string and noticablely pushing the bow during the release. Also, my heavier bow (50+ @ 22") was faster but much more critical to form than a lighter weight bow. The stronger bow is center shot and shoots a wide range of arrow spines where as the lighter bow is not center shoot and is much less tolarent of different arrow spines.
I shot 24, 29 and 36" arrows, the 29" arrows shot more consistant.
The 2 bows i used last night were: 50" ~54 @ 22" sinewed osage (plains style) and a 53" ~40 @ 22" sinewed osage (Ishi stlye).
I think if I reduce the weight of the stronger bow, combined with it being center shot it should be a great shooter.
As far as hand shock, I feel very little if any in my short bows. I haven't finished any of the juniper bows yet so not sure how the shoot. I find arrow weight changes hand shock more than most other things.
I'll reduce the weight of the stronger bow this weekend and report back.
Donnie
JackCrafty:
Thanks for the responses guys!
OK...here are some more specifics on my situation:
The juniper bow's tips are a little less that 1/2" wide with wrapped "shoulders" for the nocks...so the tips are pretty light. The hand shock is mostly vibration shock. If I grip the bow loosely, the shock goes away but I loose some accuracy. The widest part of the limbs is 1 1/8" and the last 8" are tapered toward the tips. The sting is sinew, so a heavier string will probably work better. I will try using a heavier linen string. This should also reduce the "stretch effect" at the end of the release (vibration). I will also start using arrows that are 10 grains in weight for every # of draw.
The HHB bow is a mystery: I'm still trying to figure out why it has no hand shock. The limbs are narrow (1") and taper from the grip to the tips. It has a natural gull wing shape and it was easy to tiller. It has a sinew string. It weighs about an ounce more than the juniper (9.5 oz) and is braced @ 5" (1" less than the juniper). It shoots a 300 grain arrow @ 105 fps (the juniper shoots same arrow @ 109 fps). Since it stores about the same amount of energy...I would think that the hand shock would be about the same as the juniper. I also think that the arrows should fly with the same trajectory from both bows? (Nope-Nope) :-\
I'm aslo trying to figure out why the arrows seem to loose energy in flight when fired from the HHB bow....although I think they might be "fishtailing" slightly as they leave the bow?.....it's hard to tell. I'm going to try arrows with different lengths and types of tapering to see which type works best. Right now, I'm using 26" barrelled shafts with the center of mass (balancing point) in the middle. This arrow style works well on all my other bows but maybe the HHB is a bit quirky. Maybe I'll shave it down so that it pulls 45# @ 22" instead of 20"....and see if that changes anything.
I'll keep you posted.
recurve shooter:
i have no intelegent answer but your talk of the brain rattlin hand shock made me choke on a pice of popcorn. thanx for the murder atempt bud.
Dustybaer:
patrick, could you post some pictures of the two bows? if it's the design, it would be much easier to tell by looking at them (at least for the experts on here, which by the way doesn't include me ;D )
question for everybody (and i don't mean to diminish your bows by any means. it's just to show how little i know): 105/109 fps at an arrowweight of 7.5/6.7 gr/lbs seems slow (at least to me). is that normal for shorties?
sumpitan:
--- Quote from: Dustybaer on March 28, 2008, 05:26:37 am --- 105/109 fps at an arrowweight of 7.5/6.7 gr/lbs seems slow (at least to me). is that normal for shorties?
--- End quote ---
No, it's not. My 48" selfbows shoot 10gr. /lbs. arrows around 135 fps, while 7-8gr. /lbs arrows (more appropriate for the low-energy draws) reach 150-160fps. Flight shafts (250gr. total mass) leave them at around 190.
Tuukka
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