What The Heck?

What the heck?  Seriously, what is up with these numbers?

Shooting an Elite Victory 37X with 60-pound limbs adjusted to around 50 pounds seemed a bit like pushing the limit on the bow regarding how much weight to take off the limbs.  I changed limbs and went to 50 pound limbs set for 50 pounds.  I expect to see an improvement in my scores.

The results weren’t what I expected.

The final ten practices using the weight reduced 60 pound limbs shooting a vertical 3-spot at 18-meters my average score was 580. The new 50-pound limbs, after collecting 10 sixty-arrow practice sessions the average score is 565. The arrows were the same as was the release.  The difference is extremely significant, unpaired t-test were t= 3.969 (this means the difference is real).

Shooting a higher average, the 580 score, the standard deviation was 12.07.  Shooting the lower average, the 565 score, the standard deviation was 2.89. The lower score is very consistent.  This suggests the shooting variance is similar on most of the shots.

The variance, however, is currently outside of sight adjustments.  Reviewing the misses, the arrows are evenly distributed around the X. In both sets of numbers there are no single arrow scores below 9.

Time to take the bow and the archer to get evaluated.

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