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Rotax 914 series Installation Manual

Rotax 914 series
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Effectivity: 914 Series
Edition 2 / Rev. 0
d04273
page 5
July 01/2008
BRP-Rotax
INSTALLATION MANUAL
15) Carburetor ............................................................................................................ 91
15.1) Requirements on the carburetor ............................................................................... 91
15.1.1) Drainage pipelines to airbox and trip tray ............................................................ 92
15.2) Connections for Bowden-cable actuation and limit load............................................ 93
15.3) Requirements on cable actuation ............................................................................. 94
15.4) Requirements on the throttle lever ............................................................................ 95
15.5) Location and determination of the throttle position for max. continuous power ......... 96
16) Air intake system ................................................................................................ 97
16.1) Operating limits ........................................................................................................ 97
16.2) Requirements on the air intake system .................................................................... 98
16.2.1) Requirements on the intake air ducting ............................................................... 98
16.2.2) Requirements on the intercooler: ....................................................................... 99
16.2.3) Airfilter ................................................................................................................. 100
16.2.4) Airbox................................................................................................................... 100
16.3) Additional notes concerning air intake system ........................................................ 102
17) Pressure sensors .............................................................................................. 103
17.1) Static pressure sensor ............................................................................................ 104
18) Servo motor / Servo cable ................................................................................ 105
18.1) Servo motor ............................................................................................................ 105
18.2) Servo cable ............................................................................................................ 106
19) Electric system.................................................................................................. 107
19.1) Requirements on circuit wiring ............................................................................... 108
19.1.1) Electromagnetic compatibility (EMC) ................................................................. 108
19.2) Wiring diagram ....................................................................................................... 109
19.3) Description of the Turbo Control Unit (TCU) ........................................................... 111
19.4) Technical data and connection of the electric components ..................................... 111
19.4.1) Integrated generator ............................................................................................111
19.4.2) Rectifier-regulator ...............................................................................................112
19.4.3) Electronic modules ..............................................................................................114
19.4.4) Ignition switches (on-off switch) .........................................................................114
19.4.5) Electric starter ....................................................................................................116
19.4.6) Starter relay ........................................................................................................ 117
19.4.7) Electric fuel pumps .............................................................................................118
19.4.8) Turbo Control Unit (TCU) ....................................................................................119
19.4.9) Isolating switch for servo motor .......................................................................... 121
19.4.10) Boost lamp ..........................................................................................................122
19.4.11) Caution lamp .......................................................................................................122
19.4.12) External alternator (optional extra) .....................................................................123
19.4.13) Connection of the electric rev-counter (tachometer) .......................................... 125
19.4.14) Battery................................................................................................................. 126
19.4.15) Relay ...................................................................................................................126
19.5) Internal consumer of electric power ........................................................................ 126
20) Propeller drive ................................................................................................... 127
20.1) Technical data ........................................................................................................ 127

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Rotax 914 series Specifications

General IconGeneral
Bore79.5 mm
Stroke61 mm
Compression Ratio9.0:1
Cooling SystemLiquid-cooled cylinder heads, air-cooled cylinders
Redline5800 rpm
Engine Type4-cylinder, 4-stroke
Fuel TypeAvgas 100LL
Oil SystemDry sump
Fuel Systemfuel injection
TBO (Time Between Overhauls)2000 hours
Displacement1.211 liters (1211 cc)
Power Output84.6 kW (115 hp) at 5, 800 rpm

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