1. Well discharging it for punches and kickes is the primary reason for the whole quirk. Be honestly worthless without it. I can take out using it for far range attacks tho. Discharging in an explosive manner makes sense as in loss of

2. Never had the idea for him having an actual turbine on his body. Just another way his body processes air. As said power wouldnt work with an actual turbine on his body cause clothes. 

3. Idk if im okay with Kaminari weakness of short circuiting the brain. Cause well powers arent the same technically. Prefer the weakness I placed.