Arrow spine for Compound shooting - how critical is it?

240 Views 5 Replies 5 Participants Last post by vangeodee, 2 d ago

vangeodee

Discussion Starter · 2 d ago

I've frequently heard my club mates mention that their arrow is under-spined for their bow. I'm still slightly confused as to how can they tell. When I ask them the answer I get is that the group isn't tight enough. I tend to think it's more on archer consistency than arrow spine when it comes to group size, especially since none of us are able to shoot 700+ scores on a 50m 72 arrow round.

Aside from preventing a dry-fire with too light of an arrow, how crucial is arrow spine, really? In recurve it makes sense to go with a correctly spined arrow since the arrow flexes as the string comes out of your fingers. However in a compound bow the arrow should be shooting straight out.

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tboni

· #2 · 2 d ago

Following this thread for future reference as i currently shoot a recurve.

I personally think it doesn’t matter for compound though.

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jdolan16

· #3 · 2 d ago

Def matters for a recurve. Must always be tinkering. Arrow flight tells you a lot. Should be like a dart if shots are consistent and bow is released correctly without throwing it downrange.

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· #4 · 2 d ago

Dynamic spine with a compound is important but not as critical as it is with a recurve.

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vincenthanna

· #5 · 2 d ago

Arrow spine is critical for a traditional bow. It is important but not critical for a compound. You still need to be shooting something close to the correct spine to achieve maximum penetration with broadheads. Too weak of a spine with broadheads will hinder penetration. In my experience with compound bows there is a range of spines that will work for a given tip weight. This is absolutely not the case with a traditional bow. My recurves all have their favorite arrows spines.

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vangeodee

Discussion Starter · #6 · 2 d ago

vincenthanna said:
Arrow spine is critical for a traditional bow. It is important but not critical for a compound. You still need to be shooting something close to the correct spine to achieve maximum penetration with broadheads. Too weak of a spine with broadheads will hinder penetration. In my experience with compound bows there is a range of spines that will work for a given tip weight. This is absolutely not the case with a traditional bow. My recurves all have their favorite arrows spines.

I only shoot target, penetration isn't a factor.

I am more concerned about forgiveness, arrow flight and group size.

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