OXO wrote:Anyway, who uses ft/sec in gliders?
Nearly OT question:
I understand from radio msgs during races that people gauge lift in knots.
I use metrical system, but AFAIK 1 knot = 1 mile per hour. What is the reson to use that scale? I mean: in a thermal you spend some minutes, not hours... And height is measured in feet, if I am not wrong...
I just wonder why not to use a vario with a scale expressing furlongs per week, then!