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Typical Installation Weights For Rotax 2 Stroke Aircraft Engines

  447 503 503 DC 582 618
KW/HP 29.5 39.6 34.0 45.6 37.0 49.6 48.0 64.4 55.0 73.8
Items Kg. Lbs. Kg. Lbs. Kg. Lbs. Kg. Lbs. Kg. Lbs.
Engine With Carbs 27.8 61.3 32.3 71.2 33.2 73.2 29.2 64.4 34.7 76.5
Exhaust System 4.9 10.8 5.1 11.2 5.1 11.2 5.1 11.2 6.9 15.2
Air Filter(s) 0.2 0.4 0.2 0.4 0.5 1.1 0.3 0.7 - -
Dual Rad Set - - - - - - 2.7 5.95 2.7 6.0
No Drive - No E/S

Weight to Power

 32.9

1.12

 72.5

1.83

 37.6

1.11

 82.9

1.82

 38.8

1.05

 85.5

1.72

 37.3

.077

 82.2

1.28

 44.3

0.81

 97.6

1.32
With B Drive - No E/S

Weight to Power

 37.4

1.27

 82.4

2.08

 42.1

1.24

 92.8

2.04

 43.3

1.17

 95.4

1.92

 41.8

0.87

 92.1

1.60

 -

-

 -

-
With B Drive & E/S

Weight to Power

 42.3

1.43

 93.2

2.35

 47.0

1.38

 103.6

2.27

 48.2

1.30

 106.2

2.14

 46.7

0.97

 102.9

1.60

 -

-

 -

-
With C Drive - No E/S

Weight to Power

 40.9

1.39

 90.1

2.28

 45.6

1.34

 100.5

2.19

 46.8

1.27

 103.1

2.08

 45.3

0.94

 99.8

1.55

 52.3

0.95

 115.3

1.56
With C Drive & E/S

Weight to Power

 45.8

1.55

 100.9

2.55

 50.5

1.49

 111.3

2.44

 51.7

1.40

 113.9

2.30

 50.2

1.05

 110.6

1.72

 57.2

1.04

 126.1

1.71
With E Drive

Weight to Power

 44.1

1.50

 97.2

2.45

 48.8

1.44

 107.6

2.36

 50.0

1.35

 110.2

2.22

 48.5

1.01

 106.9

1.66

 55.5

1.01

 122.3

1.66
  Kg/KW Lbs/HP Kg/KW Lbs/HP Kg/KW Lbs/HP Kg/KW Lbs/HP Kg/KW Lbs/HP

Typical Power Torque & Fuel Consumption For Rotax 2 Stoke Aircraft Engines
  Maximum Power Maximum Torque Fuel Consumption
  Max. RPM KW HP NM FT.LB. g/KW Hour Liters/Hour US Gal/Hour Imp. Gal/Hour
447 UL 6800 29.5 40 44 32.5 510 20.9 5.5 4.6
503 UL Single Carb 6800 34.0 46 51 37.6 510 24.1 6.4 5.3
503 UL Dual Carb 6800 37.0 50 55 40.6 500 25.7 6.8 5.7
582 UL 6800 48.0 65 75 55.3 410 27.3 7.2 6.0
618 UL 6800 55.0 74 80 59.0 400 30.6 8.1 6.7

Typical Installation Weights For Rotax 4 Stoke Aircraft Engines

  912 914
  60.4 81.0 85.7 115.0
Items Kg. Lbs. Kg. Lbs.
Engine with Carbs 58.0 127.8 62.2 137.1
Exhaust System 4.0 8.8 4.0 8.8
Air Filter(s) 0.3 0.7 0.2 0.4
Radiator 1.0 2.2 1.0 2.2
Oil Radiator 0.5 1.1 0.5 1.1
Engine Truss Assembly - - 2.0 4.4
Rectifier/Regulator 0.1 0.2 0.1 0.2
Electric Fuel Pumps - - 0.7 1.5
External Alternator - - 3.0 6.6
Installed Weight 63.9 140.8 73.7 162.4
Weight to Power 1.06 1.74 0.86 1.41
  Kg/KW Lbs/HP Kg/KW Lbs/HP

Typical Power, Torque & Fuel Consumption For Rotax 4 Stroke Aircraft Engines
  912 914
Power Setting (%) 65 75 100 65 75 100 115
R.P.M. 4800 5000 5800 4800 5000 5500 5800
Power
Kilowatts 37.7 43.5 59.6 47.8 55.1 73.5 84.5
Horsepower 50.6 58.4 81.0 64.1 73.9 100.0 115.0
Torque
Nm 75.0 83.0 98.1 95.1 105.2 127.6 139.1
Ft. Lbs. 55.3 61.2 72.3 70.1 77.6 94.1 102.6
Fuel Consumption
g/KW Hour 302 318 288 275 280 276 290
Liters / Hour 15.8 19.2 23.8 18.3 21.4 28.2 34.0
US Gal / Hour 4.2 5.1 6.3 4.8 5.7 7.4 9.0
Imp. Gal / Hour 3.5 4.2 5.2 4.0 4.7 6.2 7.5

 

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