The SP-275 series is designed with twin spark plugs and can be equipped with a carburetor or a fuel injection. The generator is mounted on the rear output shaft. All engines, except SP-275 TS CR, are equipped with the ignition HKZ215 and the ECU030. The electronics of the HKZ215 can be installed on an additional system carrier which sits on top of the cylinders. The engine is available with or without system carrier.
A dedicated version, the SP-275 TS CR, is designed especially for target drone applications. This version has a rear carburetor and has a low-profile design optimized for high speed training flights requiring minimal aerodynamic cross section.
> TS – Twin Spark, FI – Fuel Injection, HF – Heavy Fuel, ROS – Rear output shaft, CR – Carburetor Rear
General series specifications range
|Capacity||275 ccm / 16.7 cu in|
|Power||21.67 HP / 15.9 KW|
|Speed Range||2000 - 10000 RPM (depending on version)|
|Weight||16.01 lbs (7,26 kg)|
|Crankshaft||4 ball bearings (SP-275 TS CR: 3 ball bearings)|
|Oil/Gasoline ratio||1:50 / 2% mix|
|Operating Voltage||6 - 48 V DC (depending on version)|
Test method: Dynotest - Engine data might change due to the engine test procedure and the engine configuration.