john smith wrote:

If each leg is the same distance, use time not airspeed. Then convert
the average for one leg length. Headwinds, tailwinds, crosswinds
cancel.

OK, I'll agree with that, but it's a LOT easier to fly for a fixed TIME
than for a fixed distance, unless you fly at about 10' AGL......

--
Marc J. Zeitlin
http://marc.zeitlin.home.comcast.net/
http://www.cozybuilders.org/
Copyright (c) 2004