Young 1972 VTOL 'Maple Seed' Aerospaceplane

[Stingray]

Designed by Frank G Young of New York, in 1972, the engine of this vertical take-off "air and space craft" folded down, enabling ascent or descent 'similar to... a falling maple seed'.”

See news.bbc.co.uk/2/hi/in_pictures/4805420.stm

Also www.secretprojects.co.uk/forum/index.php?action=dlattach;topic=3451.0;attach=30436;image