Article
MACDONALD S-20
STANDARD DATA: Gross wt. 720. Empty wt. 456. Fuel capacity 10. Wingspan 25′. Length 18’6″. Engine 53-hp Volkswagen. PERFORMANCE: Top mph 110. Cruise mph 90. Stall mph 38. Climb rate 850. Takeoff run 300. Landing roll 300. Range 250. The S-20 utilizes all-metal construction but keeps it simple by the extensive use of pop rivets. […]