O.S. Ogawa Seiki Engine FS-56-a .56 Four Stroke Glow Engine w/Muffler #34330

This is the OS Engines 56FS-a Alpha Series four stroke ring engine, with 40NA carburetor and included OS F4040 muffler. A big performance boost for 40-size planes, it's like giving your 40-size plane a new lease on life! Ushering in a new era in O.S. 4-stroke technology: the 56FS-a. It's the first in the alpha series, with the latest advancements for boosting your plane's performance

Specifications:

Displacement:569 cu in (9.32 cc)

Bore:945 in (24.0 mm)

Stroke:811 in (20.6 mm)

Practical rpm range:2,400-13,000

Output:0 hp @ 10,000 rpm

Weight w/muffler:26 oz (461 g)

Recommended props:Sport & aerobatic; 13x6, 12x6-8; Scale: 13x6-7,12x6-8