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Rotax 912-UL User Manual

Rotax 912-UL
64 pages
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d03925
page 1 - 3
Jan. 01/2007
Effectivity: 912 Serie
OM Edition 1 / Rev. 0
BRP-Rotax
1) Inhaltsverzeichnis
1) Table of contents ........................................................................ 1 - 3
2) Index ............................................................................................. 2 - 1
3) Introduction ................................................................................. 3 - 1
3.1) Remarks ............................................................................................ 3 - 1
3.2) Engine serial number .......................................................................3 - 1
4) Safety ........................................................................................... 4 - 1
4.1) Repeating symbols ..........................................................................4 - 1
4.2) Safety information ............................................................................4 - 2
4.3) Technical documentation ................................................................4 - 5
5) Index of pages ............................................................................. 5 - 1
6) List of amendments .................................................................... 6 - 1
7) Description of design ................................................................. 7 - 1
7.1) Type description ...............................................................................7 - 2
7.2) Denomination of cylinders: .............................................................7 - 3
8) Technical data ............................................................................. 8 - 1
8.1) Dimensions ....................................................................................... 8 - 1
8.2) Weights .............................................................................................8 - 1
8.3) Fuel consumption ............................................................................8 - 2
8.4) Direction of rotation .........................................................................8 - 2
9) Description of systems .............................................................. 9 - 1
9.1) Cooling system ................................................................................9 - 1
9.2) Fuel system ....................................................................................... 9 - 2
9.3) Lubrication system ..........................................................................9 - 3
9.4) Electric system .................................................................................9 - 4
9.5) Propeller gearbox............................................................................. 9 - 5
9.5.1) Hydr. governor for const. speed propeller, vacuum pump: ...9 - 6
10) Operating instructions ............................................................. 10 - 1
10.1) General limits of operation ............................................................ 10 - 1
10.1.1) Operating speeds and limits (912 UL / A / F) ..................... 10 - 1
10.1.1.1) Performance graphs for stand. conditions (ISA) 10 - 3
10.1.1.2) Performance graph for non-standard conditions 10 - 4
10.1.2 ) Operating speeds and limits (912 ULS / S) ....................... 10 - 5
10.1.2.1) Performance graphs for stand. conditions (ISA) 10 - 7
10.1.2.2) Performance graph for non-standard conditions 10 - 8
10.2) Operating media ............................................................................. 10 - 9
10.2.1) Coolant .............................................................................. 10 - 9
10.2.2) Fuel .................................................................................. 10 - 10
10.2.3) Lubricants ........................................................................ 10 - 11
10.3) Standard operation ...................................................................... 10 - 13
10.3.1) Daily checks .................................................................... 10 - 13
10.3.2) Before engine start .......................................................... 10 - 15
10.3.3) Pre-flight checks ............................................................. 10 - 15
10.3.4) Engine start ..................................................................... 10 - 16
10.3.5) Prior to take-off ................................................................ 10 - 17
10.3.6) Take-off ............................................................................ 10 - 17

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Rotax 912-UL Specifications

General IconGeneral
Displacement1211 cc
Bore x Stroke79.5 mm x 61 mm
Compression Ratio9.0:1
TBO (Time Between Overhaul)2000 hours
Engine Type4-cylinder, 4-stroke
Power Output80 hp
Cooling SystemLiquid/air-cooled
Fuel TypeAvgas 100LL or unleaded automotive gasoline
Oil Capacity3 liters
Fuel System2 carburetors
Oil SystemDry sump forced lubrication with separate oil tank
Reduction Gear Ratio2.43:1
Max Continuous Power75 hp (56 kW)

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