MOTOR & GEARBOX ASSY (Airmaster Propeller) Model IM-15 Metal End Cap
Engine 582 ULDescriptionOver 30.000 units of this popular Rotax 2-stroke engine have been sold. This engine type is well regarded for its easy maintenance and robustness.
Facts
2-cylinder
2-stroke liquid cooled engine with rotary valve intake
dual electronic ignition
integrated water pump and thermostat
exhaust system
carburetor
electric starter
propeller speed reduction unit
Version Performance Torque Max RPM
kW hp 1/min Nm ft. lb. l/min 1/min
582 Mod. 99 48 65 6500 75 55.3 6000 6800
Bore Stroke Displacement Fuel
76 mm 2.99 in 64 mm 2.52 in 580 cm3 35.4 cu in.
leaded, unleaded, AVGAS 100LL or Ethanol 10
WEIGHT kg ib
engine 29.1 64.0
2 carburators 1.8 4.0
exhaust system 5.1 11.2
electric starter 3.5 7.7
propeller speed reduction unit “B“ / i = 2.58 4.5 9.9
propeller speed reduction unit “C“ / i = 2.62/3.0/3.47/4.0 8.0 17.6
propeller speed reduction unit “E“ / i = 2.62/3.0/3.47/4.0 11.2 24
Based on the proven concept of the Rotax 912 S/ ULS engine the new 912 iS Sport engine offers all well known advantages of the Rotax 4-stroke engine series complemented by additional features, e.g. engine management system. The complete package presents the latest technology in the aircraft engine industry and will enhance the flying and ownership experience of pilots.
Facts
4-cylinder
4-stroke liquid/air-cooled engine with opposed cylinders
Dry sump forced lubrication with separate oil tank
Redundant electric fuel injection
Engine management system
> Electric starter
Propeller speed reduction uni
t Air intake system
Version Performance Torque Max RPM
kW hp 1/min Nm ft. lb. l/min l/min
912 iS Sport 1 / iSc Sport 2 73.5 100 5800 121 89 5800 5800
912 iS Sport 1 / iSc Sport 2 72.0 98 5500 125 92 5500 5800
912 iS Sport 1 / iSc Sport 2 68.0 92.5 5000 132 97 5000 5800
Bore Stroke Displacement Fuel
84 mm 3.31 in 61 mm 2.4 in 1352 cm3 82.6 cu in. min. MOD 85 RON 95*
min. AKI 91*
WEIGHT kg ib
engine with propeller speed reduction unit i = 2.43 63.6 140.2
Exhaust system 4.8 10.5
Air guid hood 0.4 0.8
External alternator 3.0 6.6
Fuel pumps assay 1.6 3.5
Engine mount 2.0 4.4
1) iS = non certified
* limited for max. 5 min 2) iSc = certified acc. to CS-E; available after receipt of type certificate
** leaded, unleaded, AVGAS 100LL or
This series was BRP's first Rotax engine dedicated for aircraft application only. The Rotax 912 series is well regarded for its reliability and efficiency and is primarily targeted as the entry level motor in the light aviation industry. The 80 hp version of the Rotax 912 series offers a time between overhauls of 2.000 hours and is available as non-certified (Rotax 912 UL) as well as certified version according to FAR 33 (Rotax 912 F) and JAR 22 (Rotax 912 A).
Facts
4-cylinder
4-stroke liquid/air-cooled engine with opposed cylinders
dry sump forced lubrication with separate oil tank
2 carburetors
mechanical fuel pump
dual electronic ignition
electric starter
propeller speed reduction unit
Version Performance Torque Max RPM
kW hp 1/min Nm ft. lb. l/min l/min
912 UL1 A2 F3 59.6 80 5800 103 75.9 4800 5800
Bore Stroke Displacement Fuel
79.5 mm 3.13 in 61 mm 2.4 in 1211 cm3 73.91 cu in. min. MON
83 RON 91**
min. AKI 87**
WEIGHT kg ib
engine with propeller speed reduction unit i = 2.27 (opt. i = 2.43) 55.4 122.0
overload clutch 1.7 3.7
exhauzst system 4.0 8.8
external alternator 3.0 6.6
1) UL = non certified
* limited for max. 5 min 2) A = certified acc. to JAR 22
** leaded, unleaded, AVGAS 100LL or Ethanol 10
Description
In comparison to the 80 hp version of the Rotax 912 series the 100 hp product line offers more power while keeping the weight. This engine series offers a time between overhauls of 2.000 hrs and the best power to weight ratio in its class - no surprise that this engine is the best selling 4-stroke engine. This series is available as non-certified (Rotax 912 ULS) and certified engine (Rotax 912 S) according to FAR33.
Facts
1. 4-cylinder
2. 4-stroke liquid/air-cooled engine with opposed cylinders
3. dry sump forced lubrication with separate oil tank
4. 2 carburetors
5. mechanical fuel pump
6. dual-electronic ignition
7. electric starter
8. propeller speed reduction unit
9. air intake system
Version Performance Torque Max RPM
 kW hp 1/min Nm ft. lb. l/min 1/min
912 ULS1/S2 73.5 100 5800 128 94 5100 5800
Bore Stroke Displacement Fuel
84 mm 3.31 in 61 mm 2.4 in 1352 cm3 82.6 cu in. min. MOD 85 RON 95*min. AKI 91**
WEIGHT kg ib
engine with propeller speed reduction unit i = 2.43 56.6 124.5
overload clutch 1.7 3.7
exhaust system 4.0 8.8
external alternator 3.0 6.6
The turbo charged Rotax 914 series offers more performance at high altitudes while keeping weight at a low level. This series offers a time between overhauls of 2.000 hrs and is available as certified (Rotax 914 F) according to FAR 33 and JAR-E and non-certified version (Rotax 914 UL).
Facts
4-cylinder
4-stroke liquid/air-cooled engine with opposed cylinders
with turbo charge
r with automatic waste gate control
dry sump forced lubrication with separate oil tank
2 carburetors
dual electronic ignition
electric starte
r propeller speed reduction unit
engine mount assembly
Version Performance Torque Max RPM
kW hp 1/min Nm ft. lb. l/min 1/min
914 UL1/ F2 84.5 115 5800 144 106 4900 5800
Bore Stroke Displacement Fuel
79.5 mm 3.13 in 61 mm 2.4 in 1211.2 cm3 73.91 cu in. min. MOD
85 RON 95*
min. AKI 91*
WEIGHT kg ib
engine with propeller speed reduction unit i = 2.43 64.0 140.8
exhaust system 4.0 8.8
engine mount assembly 2.0 3.7
overload clutch 1.7 3.7
external alternator 3.0 6.6
PDF Data Sheet Download
1) UL = non certified 2) F = certified acc. to FAR 33 and JAR-E *Limited for max. 5 min.
** leaded or unleaded or AVGAS 100LL
PROPELLER IVO CSU 912-2.27G-80 3 BLADE c-w GOVERNOR, PLATE & SCREW ADJUSTER