Ok, I was reading a German manual on the He177 the other day and the section dealt with the axises of rotation (pitch, yaw, roll). From the illustration both the vertical and longitudinal axises were different from what I understood the center of gravity to be. For instance the longitudinal was about the rear of the engine cowl while the vertical was center of the fuselage. This contrasts to the CoG for the longitudinal which I usually set at 25% if the root cord and the vertical usually the center of the spinner (as measured from the ground). Any thoughts, musings, wild ideas, or general comments?
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