ZDZ 56RV-J 
Two stroke 56ccm singlecylinder model gas engine with procesor controlled ignition.
Engine is based on well proven very powerfull "RV-J" concept. It brings awesome power, superlightweight and same time very durable and reliable powerhouse. Its run and very fast transitions  are superior smooth with lowest level of vibrations you could imagine.
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.
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Displacement:
			
56ccm
		
		
			
Weight:
			
1350g
		
		
			
Bore:
			
45mm
		
		
			
Stroke:
			
35mm
		
		
			
RPM range:
			
1000-8500ot/min
		
		
			
Ignition unit:
			
Processor controlled 4,8-7V
		
		
			
Fuel mixture(N95+oil):
			
1:35
		
		
			
Recommended twinblade propellers:
			
22x12,24x8-10
		
		
			
Recommended three blade propellers:
			
20x10-12, 21x10