55i Specifications Sheet




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 Cylinder Capacity3.23 cu in53 ccm 
 Power Rating6.0 HP3.82 kW 
 Bore Diameter1.73 in44 mm 
 Stroke1.38 in35 mm 
 Weight4.2 lbs1905 g 
 Speed Range1300-8500 RPM 
 Crankshaft3 Ball bearings 
 Connecting RodNeedle bearings on both ends 
 Oil / Gasoline Ratio1:50 - 1:80 Mix 
 IgnitionInput Voltage: 6.0 to 8.0 V
6.0 V NiCD / NiMH or 7.2 V LiPo / Li Ion		 
 Propeller

2-Bladed
22 x 8
22 x 10
22 x 12
23 x 8
24 x 8
24 x 10

3-Bladed
19 x 12
20 x 8
20 x 10
22 x 8