I'm considering switching to aluminum for the high GPI factor. What Easton shaft would work if I chose the xx75 model? Or better question what aluminum's do you recommend?

All of my recurves and longbows are about 48 pounds. My draw is 28 and a quarter. So I prefer a 30" arrow. I'm hoping to get about 550 grain Arrow weight

I plan to do 3D archery and Hunt, so if there's any recommendation to stick with carbons please let me know!!

To get that weight I would go with a 2018 at 30" and 145 to 160 grain tip. Just because the bows are the same weight..or close, doesn't mean the same arrow will work a hundred percent. The 2018 though should get you close. I would start it at 31" though to start tuning. String type will matter a lot as well.

2016 2018

Stu's calculator says you'd get 49.4 pounds of spine from a 30" 2016 with 10 grains for the insert, 10 at the nock end and a 145 grain point. Est weight would be 487.

A 30" 2018 will put you over your target weight and still spined at a bit over 50; cut the 2018 a bit longer (31") and a 150 grain point puts you at almost exactly the same dynamic spine rating as the 2016 (now 49.6 with the '18) and 559 grains all up.

Personally, I go with a 28" 2016 out of my #55@28" recurves, but my DL is closer to 26.5"-27"....

My #55@28" RER longbow shoots a 28" 1916 with a 125 grain point and my #50@28" Bamboo Viper drops down to about an 1816, again @ 28" with a 125 up front.

Just a thought, but 11.5 GPI is pretty hefty for flat-trajectory purposes, and that counts some in 3D... You could probably shoot a 30" 1916 with 100 grains up front and still be into 9 GPP with an all-up arrow of 425-430... spine calculates out at #49.6 just like the 560- grain 2018 at 31"....

I won't swear to the accuracy of the calculator in regard to velocities, but FWIW, the program spits out 191 fps for the 1916 and 168 for the 2018... 430 grains is nothing to sneeze at if you're deer hunting....

And you might also consider a 30" 2013 with 125 up front (about 425 grains, #47 spine and in the 194 fps range) or maybe a 30" 2114 with 165 up front... which should put you around 490 grains/10.2 GPP/ 49.9 dynamic spine and 180 fps.

LOADS of choices!

Ditto on the 2016 and 2018. My 2018's at 30" with 145 pt = 545 to 550 grs and my 2016's at 30" with 145 pt = 500 to 505 grs. I love the Legacy shafts.

I have a 2016 28 1/2" 145 grn tip, 3 5" parabolic feathers is 477 grns. 2018 28 1/2" 145 grn 3 5" shield 529 grn.

I was going to suggest 2114 for that length arrow until I saw the 550 grain weight. Mine are 510 grains but 29” long. I add weight to back of inserts because I only use 145 grain points with those arrows.

I would give the 2020's a try, would bring your weight up closer to the 550 you are shoot for. They are a good tough shaft also, I shot them for about 20+ years.

2020 is not a choice anymore. Easton stopped making them last year. A versatile shaft but was to heavy for most guys. My 2020 with 145 grain points weight in around 560 grains. Out of my 55# Bear TD I considered it a 20 yard arrow. After that they started dropping like a rock.

56 -

Assuming a normal recurve, you'd need a 30" 1916, with a nominal weight (125) head. Sorry, can't help ya with the arrow wright part, not really an issue with a hunting rig.

Viper out.

Different roles for different bows.

I've got but two...recurve & RD one piece longbow...both WhippenSticks.

Ken made some pretty high performance bows. Mine are 52 & 53lb, respectively, at my 29" draw.

The charts disagree, but they both are quite fond of 2117's cut to 29-1/2", with anywhere from 125 to 185grains up front.

In bare shafting, they both shot 2219's like they were fletched. But I didn't like the speed drop off or the log like size.

I'm shooting a 30.75in 2117. 49@29. I shoot a 135 shark. Sounds stiff, but shoots great. Never weighed one. 2016,2018,don't exclude the 2117. Gonna have to try them all

easy answer 2016.

I would try 2016s or "500s" (they are the same thing). Some places (like Black Widow and maybe 3 Rivers) sell "tuning shafts" separately, so you don't spend a lot of money until you know which one works best for you. I would go that route first. Get a tubing cutter too, if you don't already have one and a couple sizes of points in the weight range you are leaning toward. I would suggest 125gr. and 145gr. - John

I Shoot the 2016's cut to 29.5" out of my Rose Oak Heritage recurve (48# @28") with 145 gr. broadheads. I draw to just beyond 28" and they fly beautifully!.I Shoot the 2018's out of my Hoyt Buffalo marked 50# @28"(actually draws 53# @28") with 300 gr broadheads, they also fly great. These are my whitetail and elk/moose rigs. With your setup, I suggest 2016 with broadheads no heavier than 145gr. given your 30" preferred length. Nothing is edged in stone, play around!

Sorry,meant to say "etched"... got broadheads on the brain! lOL

And lest we forget - the NASP “Genesis” arrows are 1820s - same ballpark spine- wise - about #50. Just need to order inserts.

And Lancaster sells shafts in whatever quantity you want, so it’s very easy to put together a spine test kit with them.

I think 3R has the 1820 inserts and they have a really good point weight test kit there, too....

I've used a wide variety over 60+ years out of 50#s for various reasons. My Longbow, 68" 50#s when not shooting woodies is a 29" 4" feather with 125gr head is 2117s. They work great but no idea on total weight.

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