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MacDonald S-20

The S-20 utilizes all-metal construction but keeps it simple by the extensive use of pop rivets. It features open-cockpit seating for one, low wings and conventional tail-wheel landing gear. The fuselage is of steel-tube truss construction with a light alloy skin. The constant-chord wings are also covered with the same light alloy skin.
First flight was made on March 9, 1972 by N106AB. S-21 was the designation for plan-built aircraft by home-builders.
Engine Volkswagen 1500cc, 53-hp
Wingspan 25 ft 0 in
Length 18 ft 6 in
Gross Wt. 720 lb
Empty Wt. 456 lb
Fuel capacity 10 USG
Top speed 162 mph
Cruise 90 mph.
Stall 38 mph.
Climb rate 850 fpm
Takeoff run 300 ft
Landing roll 300 ft
Range 250 miles
Seats: 1





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