OS FS 72 ALPHA 4-takt Metanolmotor, 11,79ccm.

O.S. leads the way in advanced 4-stroke engine technology, and you’ll see for yourself when you mount the FSa-72II in your model! Sport flyers will enjoy greater performance, while scale pilots will experience more realistic flight. Plus, everyone will benefit from the FSa-72II’s deep, rich sound. Tighter tolerances and updated engineering reduce maintenance and ease set-up.

Prop Range    12x7-8 - 14 x 6-7

RPM Range    2,400 - 12,000 rpm

Engine (Only) Weight    476 g)

Displacement    0.719 cu in (11.79cc)

Bore    1.063" (27mm)

Power Type    Glow

Plug Type    O.S. type F

Stroke    0.811 in (20.6 mm)

Muffler Weight    54g