Originally Posted by Lip.
It does seem to require alot of throttle to keep it going.
It was blowing about 15mph that day! I was there! That's why the pilot was on the throttle the whole time. We also had some pretty restrictive airspace limitations at North Weald that day.
Under normal conditions you'll just use the throttle in short bursts to climb to altitude and you'll be soaring power off for most of the time.