Displacement :	58 cm3
Bore / Stroke :	42 / 42 mm
Power Output :	6,8 PS / 6700 RPM 7 PH / 6200 RPM (PROSPORT) 7,2 PH / 6800 RPM (LC)
Weight Without Ignition :	1780 g
Ignition :	electronic, microprocessor    Guide >>>
Ignition Weight :	185 g
Carburetor :	Walbro
Power Output With Prop :	Prop. RPM Exhaust 26"x10" Mejzlík 6100-6250 3204 24"x10" Mejzlík 6400 3207
Description :	MVVS 58 IRS    This engine is first representative of the new top conception developed by MVVS after 2001 and it is the most powerful engine in 60´s engine you may get on the market. Intake is controlled by reed valve placed in rear cover. Exhaust system is orientated on the right side. Crankshaft fitted on 2 ball bearing and connecting rod has both holes equipped with needle bearings INA. Piston is made from aluminum composition with high content of silicium. Piston is coated by special sliding coat, which forces running-in the engine and extend engine service life. Cylinder from aluminum composition has working area coated by NIKASIL. Engine is suitable for all kind of models and also has good designation for racing acrobatic flight. MVVS 58 ISS    This engine is an alternative of standard MVVS 58 IRS. The MVVS 58 ISS has the carburetor placed on left or right side of the engine. It is an option when it is not possible to provide sufficient access to carburetor placed on back plate (as it is on standard MVVS 58 IRS). MVVS 58 IRS PROSPORT    Modified version ProSport with higher performance and extend engine service life is directly intended for top racing flights. MVVS 58 IRS LC    The very first series produced engine equipped by liquid cooling system. It features high performance stability by load, while high surrounding temperatures. Water circulation is forced by pump driven by crankshaft. Engine is suitable for all kinds of models but main use is in fighter and racing models scales.

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