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This power dense propulsion system is most suited to programs from 100-150kg MTOW due to its dimensions and power output. This engine size has been manufactured for over a decade and accrued more than 10,000 operational hours. Internal development and testing have accumulated over 800hrs on dynamometer simulating various mission profiles and conditions. With over 1000 engine systems produced to date, the robustness and durability of the SP-275 TS ROS has been proven in all global scenarios, from extreme cold to heat, humid and salty conditions to dust.
Many customers fly over 12 hours continuously and BVLOS, due to this engines target market system. With the starter generator mounted on the ROS, the SP-275 is a dynamic propulsion system capable of several different configurations.
| Type | 2-Cylinder Gas Engine |
|---|---|
| Capacity | 275 ccm / 16.78 cu in |
| Power | 21.7 hp / 16.0 kW @ 6000 rpm |
| Speed Range | 1500 – 10000 rpm |
| Weight | incl. ignition 17.29 lbs (7.86 kg) |
| Crankshaft | 4 ball bearings |
| Oil/Gasoline ratio | 1:50 / 2 % mix |
| Operating Voltage | 6 – 8.4 V DC |
| Bore diameter | 2.32 inch (59.00 mm) |
| Stroke | 1.97 inch (50.00 mm) |
| Torque | 27.9 Nm @ 4750 rpm |
| Weight | 7,82 kg |
|---|---|
| Type | 2-Cylinder Gas Engine |
| Capacity | 275 ccm / 16.78 cu in |
| Power | 21.4 hp / 15.7 kW @ 6000 rpm |
| Speed Range | 1500 – 10000 rpm |
| Weight | incl. ignition 17.16 lbs (7.8 kg) |
| Crankshaft | 3 ball bearings |
| Oil/Gasoline ratio | 1:50 / 2 % mix |
| Operating Voltage | 6 – 8.4 V DC |
| Bore diameter | 2.32 inch (59.00 mm) |
| Stroke | 1.97 inch (50.00 mm) |
| Torque | 27.8 Nm @ 4750 rpm |
| Type | 2-Cylinder Gas Engine |
|---|---|
| Capacity | 275 ccm / 16.78 cu in |
| Power | 21.7 hp / 15.9 kW @ 6000 rpm |
| Speed Range | 1500 – 10000 rpm |
| Weight | incl. ignition 16.1 lbs (7.3 kg) |
| Crankshaft | 3 ball bearings |
| Oil/Gasoline ratio | 1:50 / 2 % mix |
| Operating Voltage | 6 – 8.4 V DC |
| Bore diameter | 2.32 inch (59.00 mm) |
| Stroke | 1.97 inch (50.00 mm) |
| Torque | 27.6 Nm @ 5000 rpm |
| Type | 2-Cylinder Gas Engine |
|---|---|
| Capacity | 275 ccm / 16.78 cu in |
| Power | 21.7 hp / 16.0 kW @ 6000 rpm |
| Speed Range | 1500 – 10000 rpm |
| Weight | incl. ignition 17.29 lbs (7.86 kg) |
| Crankshaft | 4 ball bearings |
| Oil/Gasoline ratio | 1:50 / 2 % mix |
| Operating Voltage | 6 – 8.4 V DC |
| Bore diameter | 2.32 inch (59.00 mm) |
| Stroke | 1.97 inch (50.00 mm) |
| Torque | 27.9 Nm @ 4750 rpm |
| Type | 2-Cylinder Gas Engine |
|---|---|
| Capacity | 275 ccm / 16.78 cu in |
| Power | 21.5 hp / 15.8 kW @ 6000 rpm |
| Torque | 28.3 Nm @ 3250 rpm |
| Speed Range | 1500 – 8000 rpm |
| Weight | without subcomponents 20.35 lbs (9.25 kg) |
| Crankshaft | 4 ball bearings |
| Oil/Gasoline ratio | 1:50 / 2 % mix |
| Operating Voltage | 12 – 15 V DC |
| Bore diameter | 2.32 inch (59.00 mm) |
| Stroke | 1.97 inch (50.00 mm) |
