 This is the OS Engines FS30S Surpass .30 four stroke ring engine, with 20N carburetor and included OS F2010 muffler. Regardless of the type of flying you're into, Surpass engines enhance the aeromodeling experience. And if you fly planes with .26-size mounting applications, the FS-30S Surpass for O.S. will be a much-appreciated upgrade. It's an economical way to enjoy the benefits of a 4-stroke engine—more muscle to swing bigger props, quieter, more realistic sound and better fuel efficiency—without making any modifications to your model. With 20% more power than the FS-26 engine, the FS-30S Surpass is ideal for exploring the performance potential of aircraft such as the Great Planes Piper J-3 Cub .20 or the T-Craft. Tweak the performance of your smaller planes simply and affordably...with the FS-30S Surpass power plant from O.S.!
Features:
- Ringed piston design
- Rear mounted updraft carburetor
- Dual ball bearing supported crankshaft
- Helix gear driven camshaft
- Enlarged intake valve for superior compression and output
Specifications: Displacement: 0.299 cu in (5 cc) Bore: 0.767 in (19.5 mm) Stroke: 0.648 in (16.4 mm) Practical rpm: 2,500-13,000 Output: 0.5 hp @ 10,000 rpm Weight: 9.2 oz (261 g) w/o muffler; 9.8 oz (278 g) w/muffler Recommended Props: 9x6, 9x7, 10x4, 10x6 |