Started paper tuning today. I ran both my 250 spine, and 300 spine shaft through the Ethics Archery field point test pack.
PSE Decree HD at 70lbs with a 27“ draw
Black eagle Carnivore arrows with standard insert and nock.
The “grains” listed below is field point weight, not arrow weight.
300 spine shot nock-low throughout the entire weight range. The 250 spine started out shooting nock slightly high and right, but centered nicely at the 300gr field point.
Ranch Fairy’s recommendation is to nock tune the 250 shaft with the 300gr tip and see if I can get it shooting completely clean punches.
I have an insert weight kit coming on Thursday, and will continue going up the weight scale and see what my bow likes and doesn’t like up to probably 400gr in the front. At this point, it looks like the 250 spine will end up being my go-to, probably with 300gr total up front weight... unless a higher weight shoots better once the weight kit arrives. If that’s what I go with, that would put me at 612.3 grains total arrow weight with 21.7% FOC. A fair bit different than my 447.5 grain total arrow weight I’m shooting now.
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