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Rotax 915 iS/iSc (141hp)

Engine 915 iS

Description

Based on the proven concept of the Rotax 912 / 914 engine series, the Rotax 915 iS engine offers more power, the best power-to-weight ratio in its class, full take-off power up to at least 15,000 feet (4,570 m) and a service ceiling of 23,000 feet (7,010 m).

Facts

  1. 4-cylinder
  2. 4-stroke liquid/air-cooled engine with opposed cylinders
  3. Dry sump forced lubrication with separate oil tank, automatic adjustment by hydraulic, valve tappet
  4. Redundant electronic fuel injection, ignition, ECU
  5. Engine management system
  6. Electric starter
  7. Propeller speed reduction gearbox
  8. Air intake system
  9. Turbocharger and intercooler
  10. Target TBO (Time between overhauls) 2,000 hours
  11. Efficiency: 280 - 310 g/kWh BFSC at 5,500 rpm
  12. Service Ceiling of 23,000 feet
  13. Available second half of 2017
WEIGHT kg lb
Engine with propeller speed reduction unit. i = 2.43 with overload clutch 84 185.2
Performance
100 kW 135hp 5800 1/min
Bore Stroke
84.0 mm 3.31 in 61 mm 2.4 in
Displacement Fuel
1352 cm³ 82.6 cu in. min. MON 85 RON 95 min. AKI 91
min. MON 88 RON 98 min. AKI 93