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Old 08-06-2018, 12:24 AM   #1
Briar Friar
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Default Sunday Night Longbow Paper Tuning

Sarrels Yukon 38@28 RH. Im pulling 27 1/2 DL. Full length shafts...31...Beman Centershot 600...7 gpi. 75 gr brass insert.

Went from 125 gr head and 1/4 nock point to 175gr head and 1/4 nock point. Then 175gr head and 3/16 nock to 200gr head (total arrow wt 517-519gr) and 3/16 nock point.

I reckon a walk back tune would be good tomorrow.
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Old 08-06-2018, 01:13 AM   #2
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Mo betta.
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Old 08-06-2018, 04:53 AM   #3
60 Deluxe
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You are darn close at 175 and maybe past at 200. Unless you are just wanting to build arrow weight, I would tinker around the 175 mark. Another thing to keep in mind, just because it looks great on a paper tune at ten yards, it may be a lot different at thirty. I have some arrows flying like darts at twenty but when I go out to thirty they are nock right about three inches.
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Old 08-06-2018, 05:15 PM   #4
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Quote:
Originally Posted by 60 Deluxe View Post
You are darn close at 175 and maybe past at 200. Unless you are just wanting to build arrow weight, I would tinker around the 175 mark. Another thing to keep in mind, just because it looks great on a paper tune at ten yards, it may be a lot different at thirty. I have some arrows flying like darts at twenty but when I go out to thirty they are nock right about three inches.
Thanks for the guidance. Shooting RH and showing stiff...nock/tears right...the easiest thing I know to do is add point weight...which seemed to be the remedy. I shot out to 20yd and when my form doesnt suck...the arrows seem to fly straight...a touch more arc than 175 heads. The 175 gn combo had a slight barrel roll at 10-20yds. I have some shafts fletched with shorter feathers and after setting some 75gn inserts...Ill test the 175gns again.

I really didnt want to buy 200gn broadheads...but if thats what tunes good...so be it.
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Old 08-08-2018, 06:48 AM   #5
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That is a lot of weight up front. I do the same thing, though. I'm surprised that you can get away with it using 600 spine. I've just about given up on using spine charts and calculators because they almost never work for me. I was playing with some aluminums the other day and the charts were calling for 125 grain heads on a full length shaft. They were nock right about six inches with that set up so I started adding point weight until there was good flight and the arrow pointed back to where I had been shooting from. It ended up about seventy five grains heavier than the chart said. I seldom use paper either. I can see when an arrow flies like a dart or when it kicks one way or the other prior to straightening out. My latest problem is that I have an arrow that flies perfect at twenty but shows stiff at thirty. When I get it right at thirty, it shows weak at twenty. I guess the answer is to tune for my hunting distance max and leave it alone.
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