Two stroke 50ccm gas engine with procesor controlled ignition unit. Fuel intake of this engine is managed by rotary valve which contrary to the usual reed valve system allows much more precise controll over the timing and same time brings much longer lifetime without need to change reed valves.

Displacement: 48,5ccm
Weight: 1350g
Bore: 42mm
Stroke: 35mm
RPM range: 1000-8500RPM
Ignition unit: Processor controlled 4,8-7V
Fuel mixture(N95+oil): 1:35
Recommended twinblade propellers: 21x12,22x10-12, 23x8
Recommended three blade propellers: 18x10-12, 20x10, 19x11