Archery

Hi all,****

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I am very excited, I just bought a new Hoyt Altus (weird name IMO but whatever) because my shoulders is not what they used to be, my old bow is getting to be a bit much for me. Also, I just felt like a new bow and the Altus is a beauty.****

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Anyway, on to my question: I've been shooting 340 spine carbon arrows out of a 1999 Hoyt Raider set to around 65#(Used the raider for some years, then stopped shooting for 10 years or so, started up again 4 months ago). The altus is pulling 42#. My draw length is 31", so I have LONG arrows. (76 cm or so) My question is: Can I continue using my current arrows? I guess they might be a bit stiff, but I ain't no Levi Morgan, if it hit somewhere in the red at 15m I am quite happy. (I am hoping this will improve with the lighter bow) The point is I don't care (yet) about perfect arrows, I want to shoot more so I can concentrate and work on my form and process with a bow I can handle better.****

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I guess I want to know if the new bow will fire the old stiffer arrows with reasonable accuracy without damaging the bow?****

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What spine would be correct for this bow at my draw length? My wife uses 400 spine on her 35 or so pound bow, but her DL is very short. On a long arrow, the 400 might be too floppy?****

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Thanks!