Acme Aircraft Sierra S-1 Sportplane
Acme Sierra N12K at Edwards FTC
Designed by Ron Beattie and Walt Fellers, the 1948 Sierra S-1 Sportplane was built by Acme's Crawford and Keeney.
One midget racer Sierra Sue built and flown, but never competed (N12K) aka Beattie-Fellers S-1 (Ronald Beattie & Walter Fellers) in 1960. It was sed by Sierradyne in the '60s to test and promote Northrop's and Dr Werner Pfenninger's boundary layer control concepts, although it was never officially a Northrop plane.
It is reported displayed at the Los Angeles Science Museum.
Engine: Continental C-85, 85hp
Wing span: 20' 2"
Length: 18' 0"
Max speed: 200 mph
Empty weight: 590 lb