O.S. FS-91S-II .91 Four Stroke Glow Engine

O.S. FS-91S-II .91 Four Stroke Glow Engine
Price: $314.99
Discontinued Online
This item is discontinued and no longer available for purchase. You may want to search our site for a similar item.
This is the OS Engines Surpass Series FS-91S-II four stroke ring engine, with 60P carburetor.  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.

Features:
  • 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.

Specifications:
  • Displacement (in): 0.912
  • Bore (in): 1.091
  • Stroke (in): 0.976
  • RPM range: 2000-12,000
  • Output (hp @ RPM): 1.60 @ 11,000
  • Weight (oz): 22.9

Recommended Props:
  • Stunt: 11x10, 11x11, 12x9.5, 12x10, 12x11
  • Scale: 13.5x8, 14x7, 15x6, 16x6
  • 3-Blade: 12x8, 12.5x7

This product was added to our catalog on February 11, 2009