Originally Posted by erkq
Well, theoretically, I guess. I mean, if your airspeed is 20mph into a 10mph headwind, it'll take you twice the time to get there compared to no headwind. So the motor will run twice as long. (But not any harder... no more watts) But you always have to come back, so then you're doing 30mph ground speed on the way back, but the plane STILL thinks it's doing 20 mph. Imagine a boat is a large flowing river (ignoring wind resistance of course) going upstream and downstream.
'cept that, on the downwind leg (in the strong wind) you gotta ramp up the power to keep it flying. (Lift) But I see where you're coming from. Still, will be interesting to see the data on a chart.
(Not so much for Gene, tho. He's got bigger concerns. Lost the credit card, has drunk himself into a stupor & is barreling down some Interstate in a half-empty beer truck singin' bawdy Master Charge 'Priceless' commercials.)