On Tuesday, November 29, 2016 at 11:01:56 AM UTC-7, wrote:
Aerobatic pilots need altitude. The pilots of Weelde were aerobatic glider pilots.

Indeed

https://www.youtube.com/watch?v=-Dw6r_1r91M ~1450m in 2 minutes. Record of 1740m was done in 2007 with run of 3000m.

IIRC, the winch (not the mel ad video) that was used in the record 1700m launch and some launches
https://www.youtube.com/watch?v=zFKs...F0FF821E223010

Check out this first solo and her video
http://www.northdevongazette.co.uk/n...ight_1_4797335

Frank Whiteley