> I missed that one in Physics (not that I had a lot of physics, it's a weak > point along with analog electronics) so could someone clue me in? How in the > heck does drag decrease as the size of the object increases? Not size, mass. Area is the square of size, Volume, hence mass, the cube. Friday night - osis, James - My guess... :) best regards, Jack -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist