would it pull 2 of your magnets. ohh ya it would
booster for 2 of em. i would think it would lose some power but it should still have enough to pull thsoe magnets appart,this maight be a question for the radfio section.

(well now i know what concentric meant)at first i was thinking of the side by side twin torpeedos but this setup is grander than some of the things ive thought of(whod of thought of using a differential to run a inline twin)my ideas were ......well .....less thanideal for weight.
i would just try his way of doing it.
good luck