Effectivity: 912 Series
Edition 1 / Rev. 0
d04052
page 21
May 01/2007
BRP-Rotax
INSTALLATION MANUAL
7) Description of design
7.1)
Designation of type
Basic type
e.g. ROTAX 912 version 2:
version 2
:
with prop flange for fix pitch propeller
version 3
:
with prop flange with drive of hydraulic governor for constant
speed propeller
version 4
:
with prop flange for fix pitch propeller, but prepared for retro-fit of
hydraulic governor for constant speed prop (not supplied by
manufacturer anymore)
Optional extras to the above stated basic type:
◆
NOTE:
Conversion of the version 2 / 4 to version 3 may be accom-
plished by ROTAX Authorized Distributors or their Service
Center.
7.2)
Standard engine design
-
4 stroke, 4 cyl. horizontally opposed, spark ignition engine, single central
camshaft hydraulic tappets - push rods - OHV
-
liquid cooled cylinder heads
-
ram air cooled cylinders
-
dry sump, forced lubrication
-
dual ignition of breakerless, capacitor discharge design
-
2 constant depression carburetors
-
mechanical fuel pumps
-
prop drive via integrated gear box with torsional shock absorber and overload
clutch (optional on configuration UL2, UL4, ULS2 and ULS4)
08116
external
alternator
vacuum
pump
drive for rev-counter/
hour meter
governor
for version 2
yes
yes
yes
no
for version 3
yes
no
yes
yes
for version 4
yes
yes
yes
no
