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SP-56 Series

The 2-stroke single cylinder SP-56 TS ROS with 56 ccm and rear output shaft is the smallest dual cylinder engine in the Sky Power portfolio.

The SP-56 TS ROS is the newest, forged from using the proven SP-28 parts. The engine is equipped in the standard configuration with 1 sparkplug per cylinder due to the compact size. The dual cylinder boxer style offers a low vibration power dense two stroke for the below ‘77lbs or up to 35kg’. The engine is used by customers in small helicopter config UAS as well as fixed wing platforms.

The cylinder is casted aluminum, and the crankcase is CNC machined to be able to adjust to customer specific requirements or mounting plate.

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SP-56 ROS

Additional information

Type

2-Cylinder Gas Engine

Capacity

56 ccm / 3.42 cu in

Power

4.6 hp / 3.4 kW @ 7000 rpm

Speed Range

2200 – 10000 rpm

Weight

incl. ignition 5.54 lbs (2.52 kg)

Crankshaft

4 ball bearings

Oil/Gasoline ratio

1:50 / 2 % mix

Operating Voltage

6 – 8.4 V DC

Bore diameter

1.42 inch (36.00 mm)

Stroke

1.10 inch (28.00 mm)

Torque

4.6 Nm @ 6500 rpm

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SP-56 (exhaust on top)

Additional information

Type

2-Cylinder Gas Engine

Capacity

56 ccm / 3.42 cu in

Power

4.6 hp / 3.4 kW @ 7000 rpm

Speed Range

2200 – 10000 rpm

Weight

incl. ignition 5.54 lbs (2.52 kg)

Crankshaft

4 ball bearings

Oil/Gasoline ratio

1:50 / 2 % mix

Operating Voltage

6 – 8.4 V DC

Bore diameter

1.42 inch (36.00 mm)

Stroke

1.10 inch (28.00 mm)

Torque

4.6 Nm @ 6500 rpm