krasw wrote, On 5/17/2013 10:33 AM:
(and as a side produt most accurate speed-to-fly commands I've seen).
In this respect Butterfly Variometer is not comparable with other
current systems. I think this fundamental difference is not
completely understood here.

I really curious about what an "accurate" speed-to-fly command is. What
is the command based on that makes it more accurate than the usual
variometer, like a 302?

--
Eric Greenwell - Washington State, USA (change ".netto" to ".us" to
email me)
- "Transponders in Sailplanes - Feb/2010" also ADS-B, PCAS, Flarm
http://tinyurl.com/yb3xywl