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OS FS .40 Surpass
O.S. developed the Surpass Series of 4-stroke engines for discerning fliers who demand more power. Able to swing larger props and supply more usable horsepower, Surpass 4-strokes provide the best performance for your plane, regardless of scale or flying style.
  • All Surpass engines feature a helix gear-driven camshaft on the front end and dependable updraft carburetor in the back.
  • All include glow plug and standard silencer.
Displacement 0.396 (6.49 cc)
Bore 0.835 in (21.21 mm)
Stroke 0.724 in (18.39 mm)
RPM 2200 - 12000


0.65 BHP @ 12000 RPM
Weight 12.5 oz (354 g)
Recommended Props 10x7.5, 11x6, 12x5-6
Price R Not Available