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Acme Aircraft Sierra S-1 Sportplane
Beattie-Fellers S-1 
 

 

Acme-Sierra

 

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  
Seats: 1

 
 
 
 


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