MVVS 116 IRS,116cc 11.8H.P WITHOUT MUFFLER
Twin cylinder MVVS 116 IRS 116cc (7.2 Cubic inch), Boxer configuration
Power output 11 hp @5900 This is the Dyno tested power curve using #3204 canister mufflers, 30x10 Mejzlik, and confirmed by users.
Bore 42mm
Stroke 42mm,
Weight 3220 grams including ignition and battery, but without propeller.
Ignition 260 grams
Fuel: petrol, unleaded 95 octane
Suppliers Comments
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MVVS engines have a high compression ratio, and need 95 Octane petrol
The engines like an oil mix of 32:1 for best performance. 40:1 will do, when run in. (MVVS recommendation)
Gas engines run much hotter than glow engines, so cooling of the engine should receive close attention. Air guiding baffles or plates should be used if the engine is shrouded from the direct prop blast. Air exits in the cowl should be three times the surface of the air inlets, and be located in low pressure zones. Air inlets that do not direct the air to the engine reduce cooling, so should be blocked off, because they use air exit capacity, better used for cooling air. |
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