To answer your first question, no. Hitter's are loading the side of the shaft, the right elbow, and swinger's are loading the top of the shaft, the left wrist.
At start down, that difference in loading should actually feel quite different. A swinger is very likely to feel a strong pull through the left arm, which is actually the pivot pulling PP#2.
Imagine a tailor fitting you for a jacket and measuring your arm. That is the line a swinger will feel pull on at start down. The left hand karate chop.
The hitter will feel the right arm, the triceps.
The core difference is rotation, the loading for swinger's being 90 degrees different than the loading for hitter's.
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Thanks EdZ
Thats the classic Swinger vs 3 Barrel Hitter take for sure but what about the 4 Barrel guys? Same deal?