Sycamore, I am two if not three generations beyond that but couldn't believe my fortune when the Red Bull landed on our pad at Filton......opposed by the Concorde Hangar where it was supposed to be. Positioning flight with a guide was called for, thank you Blackie, one of the most privileged flying days of my life. No hydraulics. One collective. Nr so low by design you can see the individual blades. Over controlling. Schoolboy grin at the wrong side of mid-fifties, priceless.