Rotax 912 Series Installation Manual

d04921.fm
INSTALLATION MANUAL
BRP-Powertrain
Effectivity: 912 Series
Edition 2/Rev. 0
61-00-00
page 5
August 01/2012
2) Vacuum pump
2.1) Technical data
General note See Fig. 3.
Drive Drive via propeller gear.
- Location of the necessary connection (1) on the crankcase.
Graphic Attachment flange
Fig. 3
08322
Connection
Speed reduction NOTE: Speed reduction from crankshaft to hydraulic governor is
1.724 or 1.842, i.e. the vacuum pump runs with 0.58 or 0.54
of engine speed.

WARNUNG
NOTICE
Certification to the latest requirements such as FAR or
EASA has to be conducted by the aircraft manufactur-
er.
Coordinates
Connection x-Axis mm y-Axis mm z-Axis mm
-206.3 mm (-8.12 in.) 0 51.5 mm (2.03 in.)
Part Function
1 Connection for Vacuum pump
2 Attachment flange
1
2

WARNUNG
NOTICE
Pay attention to manufacturers specifications.

Rotax 912 Series Specifications

General

Redline	5800 rpm
TBO	2000 hours
Displacement	1211 cc
Bore	79.5 mm
Stroke	61 mm
Power Output	80 hp (59.6 kW)
Compression Ratio	9.0:1
Fuel Type	Avgas 100LL
Ignition System	Dual electronic ignition
Fuel System	Fuel Injected
Oil System	Dry sump
Engine Type	4-cylinder, horizontally opposed, 4-stroke