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MacDonald S-21

An all metal, low wing, fixed taildragger. The S-21 was designed to be easy to build and fly with good economy. Construction is all metal using pop riveting. Prototype designated S-20, plans built versions the S-21.

 

Gross Wt. 720 lb
Empty Wt. 456 lb
Wingspan 25’
Length 18’6”
Engine 1500cc Volkswagen.
Vmax 110 mph
Cruise 90 mph
Climb rate 850 fpm
Range 250 miles

 


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