Link to video needed please

[tggzzz]

Anyone remember a video of someone rolling a SEP down a hillside and then gliding to land near a river? All done without power - as you do. Was telling a friend about it but I can't find the link. Does this stir any memories ( or was I dreaming)?

Here's the equivalent for a glider
YouTube - Bezmiechowa , szd-12A "Mucha 100 A" - samo-start grawitacyjny