Originally Posted by
Haraka
Was it the Hatfield man-powered aircraft that was fitted with a model aircraft engine to assist in trials?
IIRC the story was that it accidentally flew well beyond the overshoot as there was no installed pilot facility to stop the motor .......
I don't know about the Hatfield aircraft (Puffin?), although in 'Delta Papa' the late Derek Piggott mentions flying the SUMPAC at Lasham with the assistance of a Madewell 49 model aircraft engine that he bought whilst in the RAF. The Madewell 49 is about 8cc...
Madewell 49 model aircraft engine used on SUMPAC