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3W-78i
Specifications Sheet




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Cylinder Capacity 4.65 cu.in 77.6 ccm
Power Rating 7.4 HP 5.6kW
Bore Diameter 1.65 in 42 mm
Stroke 1.10 in 28 mm
Weight 6.49 lbs 2950 g
Speed Range 1300-8500 RPM
Crankshaft 3 Ball bearings
Connecting Rod Needle bearings on both ends
Oil / Gasoline Ratio 1:50 - 1:80 Mix
Ignition Input Voltage: 6.0 to 8.0 V
6.0 V NiCD / NiMH or 7.2 V LiPo / Li Ion
Propeller 2-Bladed
22 x 14
24 x 10
26 x 8
3-Bladed
21 x 13
22 x 12