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Rotax 912, 80 hp 4 cycle Engine
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Rotax 912
- 80 hp, 4 cylinder, 4 stroke
- Liquid cooled heads / Air cooled
cylinders
- Dry sump forced lubrication with separate
3l (.8 gal US) oil tank
- Automatic adjustment by hydraulic
valve tappet
- 2 CD carburetors
- Mechanical fuel pump
- Electronic dual ignition
- Electric starter
- Integrated reduction gearbox 2.273
(optional 2.43)
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Version
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Performance
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Torque
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Max RPM
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kW
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HP
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RPM
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Nm
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ft. lb.
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RPM
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RPM
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912 UL2
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58.0
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79
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5500
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103
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75.9
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4800
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5800
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Max 5 min
(take-off)
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59.6
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81
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5800
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Bore
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Stroke
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Displacement
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Compression
Ratio
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79.5 mm
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3.13 in.
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61 mm
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2.4 in.
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1211.2 cm3
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73.91 cu. in.
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9.0:1
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Installation Weights
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912UL
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KW/HP
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60.4
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81.0
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Items
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Kg.
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Lbs.
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Engine with carbs
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55.0
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121.2
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Exhaust system
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4.0
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8.8
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| Airbox |
-
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-
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Air filter(s)
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0.3
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0.7
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Radiator
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1.0
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2.2
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Oil Radiator
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0.5
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1.1
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| Engine truss assembly |
-
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-
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| Rectifier / regulator |
0.1
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0.2
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| Electric fuel pumps |
-
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-
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External
alternator
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-
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-
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| Installed weight |
60.9
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134.2
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Weight to power
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1.008
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1.657
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Kg/KW
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Lbs/HP
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Fuel Consumption
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912
UL
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Power setting (%)
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65
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75
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100*
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RPM
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4800
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5000
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5800
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Power
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KW
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37.7
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43.5
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59.6
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HP
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50.6
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58.4
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81.0
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Torque
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NM
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75.0
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83.0
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98.1
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Ft Lb
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55.3
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61.2
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72.3
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Fuel Consumption
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Litres/Hr
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15.8
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19.2
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23.8
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U.S. Gal/Hr
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4.2
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5.1
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6.3
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Imp. Gal/Hr
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3.5
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4.2
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5.2
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