Scheibe also produced 20 SF-25C-S, with Hoffmann feathering propellers. With optional 80 hp Limbach engine, they are known as SF-25C-2000. Optional features include an additional exhaust outlet and a slower-turning propeller. With this installation the nominal noise level is reduced to less than 60 dB.
This Falke two-seat powered glider was built in 1973.
TYPE: Side by side two-seat motor glider, particularly suitable for basic and advanced training.
AIRFRAME: Cantilever low-wing monoplane. Forward swept wooden wings, with airbrakes and aerodynamically balanced ailerons. Fully folding wings optional. Fabric covered welded steel tube fuselage; forward section coated with laminated glass fiber. Wooden tail unit. Non-retractable rubber sprung mono-wheel with brake and aerodynamic fairing; steerable tail wheel; sprung outrigger stabilizing wheel under each wing. Alternative twin-wheel main gear available optionally, with streamline wheel fairings.
POWER PLANT: One 65 hp Limbach SL 1700 EA modified Volkswagen engine, or 80 hp L 2000 EA in SF-25C-2000, driving a two-blade propeller. Feathering propeller optional. Electric starter. Fuel in single fuselage tank, capacity 14.5 gal (55 l) standard, 21.1 gal (80 l) optional.
SYSTEM: 12V electrical system.