Main Discussion Area > Arrows
Bare shaft tuning
Sidewinder:
Lol Dana. Yeah I know. I'm not trying to make it too complicated it's just that I want to get some sitka spruce shafts and want to make sure before I spend my money that I get the right range of shafts for my bow.
So it seems to me that what jack is saying is that my 57# requires a stiffer arra and so then given the 5-10# spread of spine differencial some bows have from one to the next, I should probabely get 50-55"s and cut em a little long or add head weight if I need to lighten them up.
Come to think of it, I 'll bet cane shafts would be even better if I knew they were spined right. Who knows a good source for some cane shafts and what do they cost?
Danny
adb:
arrows impacting left = too stiff
arrows impacting right = too weak
arrows impacting high = low nocking point
arrows impacting low = high nocking point
nocking point will change porpoising, spine will change fishtailing.
heavier heads weakens spine, shortening arrows stiffens spine. most arrows are spined on 26" centers. arrow spine will also be affected by center shot. true center shot bows (like most recurves) are less fussy about arrow spine. if you're shooting a bow without center shot (like most longbows), go with a slightly weaker spine, so the arrow has a chance to "bend around the handle" in paradox. also, type of string makes a slight difference. FF strings need slightly stiffer shafts.
the bottom line? you have to experiment, until you find what each bow likes.
stiknstring:
Jackcrafty I know he was talking about bare shafts. All I was trying to get across is that nock end relative to point end is really not a good indicator of arrow tuning. I guess i was not clear on that. Even target material can sling the nock end this way or that. Point of impact (like adb says and sidewinder alluded to) is the important thing.
Radon:
Hi,
here's a link to a spine calculator from a german website which I find quite useful to determine the approx. spine.
The calculator itself can be set to english.:
http://www.bogenblog.de/index.php?/pages/spine-rechner.html
Radon
n2everythg:
have you seen this one yet? I like it.
http:// www.bowmaker.net/index2. htm
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