Engine OS engines OS55 AX II
All the performance of the OS engines brand is in this engine mounted on double ball bearings with special OS cylinder / piston gasket without ring. In order to allow safe adjustment of the engine, the needle is positioned at the rear.
In addition to other improvements, this range of engines is characterized by a power increase of about 15% compared to previous models!
Technical characteristics:
-Engine capacity: 0.545 cu inch (8.93 cc)
-Bore: 23 mm
-Stroke: 21.5 mm
-RPM: 2,000-17,000
-Power: 1.75 hp 16,000 rpm
-Weight:0.404 Kg
-Included: glow plug,40J carburetor, E-3070 Muffler
-Recommended propellers: 12x7, 12x8, 13x6, 13x7