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Bowyers Bible Arrow Impact Explanation - Is it wrong?
artcher1:
Sure would help to know the stats on your bows and arrows. Your problem could be that you're switching between center shot/close to center and around handle bows. Pick one type and stay with for awhile and see if that helps..........Art
Holten101:
My main set up is a 55#@28" longbow, not quite centershot (its a glass bow...yeah I know, but I have some weighty reasons;-). Arrows are Grizzly Stiks, "Alaskan" 145 grs points and 75 grs inserts. I pull to 29" and arrows are about 31"....when I try the weaker spined "Sitka" version of the same arrow (same points)....they....suprise, go left:-(
It the same with every bow I try....and I would be inclined to blame form and/or release...if it wasnt for the fact that my bare shafts do the same trick when I tune.
Cheers
artcher1:
I don't know what spine your Grizzly Stiks are but I can count an additional 30-35# spine needed for the extra up front weight. Your arrows should have a static spine of around 85-90# IMO. As I mentioned earlier, grossly underspined arrows can also impact left.............Art
artcher1:
Forgot, are those GS tapered? Art
Holten101:
The Alaskan are definatly NOT under spined at my set-up (from Alaska Bowhunting):
"With a static spine designed for 50#-80# + bows, the Alaskan shaft makes up a finished arrow weighting between 550 and 650+ grains including a 125 to 250+ grain head. This makes it just right for most moderate draw weight bows and virtually any game animal from whitetails to kudu. "
Even if they were it would not explain why I experience this phenomenon with other set-ups too....im hate not understanding why, but I guess I should be satisfied that my arrows fly true....even with broadheads:-)
Cheers
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