Has anyone used a 0-360/Catto three blade mounted by a longer(2") engine mount to counter Weight & Balance issues on a 7a tip up? If so what cowl have you used? what would you do differently? etc... I am not crazy about added weight, especially if it's rotating, I am even more apprehensive of aft CG as I have an hour in a 7 with two big guys and low fuel, Pitch sensitivity is disturbing.