On Tue, 11 Jan 2011 13:56:32 -0800 (PST), Gary Evans
wrote:

This flight computer I used required 3 pieces of speed/sink rate data
to represent the polar. Best L/D, speed at best L/d and V2.

This what all flight computers do - they convert these three points
into an approximated polar curve.

But how do you get these three points by the method described by Dave?


Andreas