Sidney Foster, an automotive engineer, built his original design single-seater over a 22-year period. Named ‘Blood, Sweat and Tears’, N48F has an all-wood Clark Y aerofoil wing, and steel-tube fuselage and tail. The own design landing gear uses BT-13 tail wheel shock struts.
Fuel is carried in an external tank, 10 USG / 37.9 lt, and an 8 USG / 30.3 lt fuselage tank.
Engine: Lycoming. 125 hp
Wingspan: 30 ft / 9.1 m
Length: 21 ft / 6.4 m
Empty weight: 904 lb / 410 kg
MAUW: 1265 lb / 573.8 kg
Cruise: 120 mph / 193 kph
Landing speed: 45 mph / 72.4 kph
ROC: 1500 fpm / 7.62 m/sec
Endurance: 2 hr
All Aero 