On Jan 11, 10:46*am, Andreas Maurer wrote:
On Tue, 11 Jan 2011 08:55:45 -0800 (PST), Gary Evans

wrote:
The purpose to me in knowing the real L/D is not for bragging rights
but to have the correct value in the flight computer.

The "correct value" at which speed?
I suspect that you don't want the correct value, but the correct polar
in your flight computer - which, obviously, cannot be measured in the
way described.

Andreas

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.