| From: KSlongbowhunter
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| Date: 24-Sep-21 |
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Shooting an Old Mountain Mesa r/d longbow, pulling 36lbs@29in. Looking to get some Easton XX75 Camo Hunter Aluminum Shafts and was wondering what spine i should start with? I have a variety of head weights to work with but would like to stay around 125gr. Im leaning towards 1816's, what say you? Thanks in advance for any help.
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| From: KSlongbowhunter
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| Date: 24-Sep-21 |
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But wondering if i shouldnt go to a 1916. Also shooting small diameter fast flight.
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| From: Kelly
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| Date: 24-Sep-21 |
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Try 1820’s if you want more mass weight.
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| From: George D. Stout
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| Date: 24-Sep-21 |
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An 1820 will give you 585 grains at 30", with a 125gr tip adding 30 grains for insert, nock and fletching..or 16.25 grains per pound. An 1816 will give you 487 using above same tip weight, etc., or a grains per pound of 13.5.
If you're hunting with it, either will be plenty of weight and with the 1816 the additional speed will likely be a plus at 36#. The 1820 is an awesome shaft but seems to be too much for the weight you will be shooting. The gozintos would be 9.27 gpi for the 1816, and 12.25 gpi for the 1820.
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| From: Rick Barbee
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| Date: 24-Sep-21 |
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1816's cut 29.5" to back of point length, using the easton unibushing nock system, and 125 gr points with 3x4" feathers will work great.
You will likely have to play with your strike plate thickness some to find the sweet spot. Arrows will probably need to wind up at just a tiny bit less than 1/8" outside of center to be perfect.
Rick
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| From: KSlongbowhunter
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| Date: 24-Sep-21 |
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Thank you! Thats all about what i was figuring. Been shooting a 532gr carbon but wanted to go to aluminums and try to lose a few grains. So the 1816s it will be.
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| From: Kelly
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| Date: 24-Sep-21 |
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Oh, yes I forgot about arrow length, it would be too heavy for 36#. Although I have hunted with them at 28” length out of 35# and they performed very well.
If you are wanting another light arrow choice try 2013’s.
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| From: Dad
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| Date: 25-Sep-21 |
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I have a Longbow that is 36 # At 27 of draw. The 1816 cut to 29.5 fly true. That's with a 125 grian FP and 135 gr broadhead.
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| From: The Whittler
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| Date: 25-Sep-21 |
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Very good advice on the 1816 from people who know.
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| From: Jon Stewart
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| Date: 25-Sep-21 |
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Try both the 1816 and 1916. See what works best for you. Many variables going on. Every archer and shooting style different.
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