Negative drag

Thu, 4 Dec 1997 11:15:18 -0800

Dear SeeSat'ers,
	I hope I'm not stirring up an old topic here.  I have been
wondering about 'negative drag'.  I know that some people simply set
negative drag terms to zero.  Does anyone have an algorithm for deciding
when 'negative' drag is 'real' enough to be useful?
			Randy John