Name: Rotax 915 i A SERIES
Brand: Rotax
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5) Performance and Fuel consumption

Topics in this chapter

5.1 Performance data and fuel consumption .................................................. 2

5.2 Explanation of the parameters................................................................. 2

Effectivity: 915 i A Series

Edition 0 / Rev. 0

BRP-Rotax Page 5-1

December 01 2017

Table of Content3
Purpose of the Manual12
Engine Serial Number12
Abbreviations and Terms13
Safety17
Type Description24
Operating Instructions25
Operating Limits26
Engine Speed26
Performance26
Operating Media-Coolant30
Operating Media-Fuel30
Operating Media-Lubricants31
Oil Viscosity32
Table of Lubrication32
Standard Operation33
Daily Checks34
Coolant Level34
Check of Mechanical/Electronic Components36
Pre-Flight Checks37
Engine Start38
After Engine Start42
Warming up Period42
Engine Run-Up43
Ground Test43
Lane and Ignition Check44
Wastegate and PCV Check47
Fuel Pump Check49
Engine Shut-Off51
Abnormal Operation53
Engine Failures in Flight55
EMS Health Status55
Failure of Internal Generators56
Engine Not Responding on Throttle Position Commands57
Engine on Fire or Fire in the Engine Compartment57
Emergency Engine Shut-Off57
Loss of Display CAN Information57
Failures During Engine Start58
Engine Does Not Start58
Re-Start During Flight58
The Sprag Clutch Fails to Decouple from the Starter58
Fuel Pressure Outside Range59
Performance and Fuel Consumption61
Performance Data and Fuel Consumption62
Explanation of the Parameters62
System Description65
General Specification66
Engine Components67
Product View67
Cylinder Arrangement68
Direction of Rotation68
Cooling System69
Coolant Flow69
Expansion Tank69
Coolant Temperature Measuring69
Fuel System70
Fuel Flow70
Lubrication System71
Oil Flow71
Turbocharger71
Electric System73
Internal Power Supply73
Engine Management System74
Ignition Control75
Fuel Injection Control76
Communication Interfaces76
B.U.D.S Software76
Air Intake System and Boost Pressure Control77
Air Flow78
Boost Pressure Control78
Ambient Air Pressure and Temperature Sensors (AAPTS)78
Exhaust System80
Preservation and Storage81
Engine Preservation and Storage82
Engine Back to Operation83
Proper Disposal87
Performance Data and Fuel Consumption Model89
Index137

Rotax 915 i A SERIES User Manual

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Brand	Rotax
Model	915 i A SERIES
Category	Engine
Language	English