Permissible Fitting Positions - Rotax 912 Series Installation Manual

max. allowable forces (limit load) in (N)
in x, y and z axis
max. allowable bending moment (limit
load) in (Nm) in x, y and z axis
▲ WARNING: Tighten all engine suspension screws as specified by the

10.2) Permissible fitting positions

See Fig. 9/10/11.
To simplify the matter, reference is made only to the 4 engine attachment points
R1, L1, R2 and L2.
◆ NOTE:
The following details of engine position are with reference to aircraft on
ground, ready for take off.
- engine suitable for propeller in tractor or pusher arrangement,
- propeller shaft above cylinders. See Fig. 2.
▲ WARNING: For upside down installation of the engine, the lubrication
Longitudinal axis:
- The centre of the attachment points L1 and L2 must be on axis x2 parallel
to the x axis.
Allowable pitch deviation of parallelism of axes:
max. 6°
max. 10°
max. 30°
▲ WARNING: On installations with fuel tank located above carburetor level
Effectivity: 912 Series
Edition 1 / Rev. 0
BRP-Rotax
INSTALLATION MANUAL
attachment point
09185
L1 R1 L2 R2 L3 R3 L4 R4
5000
77
aircraft manufacturer.
All dimensions to point of reference (P) and the system of
coordinates remain unchanged.
system, fuel system and the cooling system are unsuitable!
counter-clockwise, on ground
counter-clockwise, in operation
clockwise
combined with badly closing carb float valve, fuel could pass
into cylinders at more than 6° decline of propeller shaft axis
after longer periods of downtime. See FAR, § 33.17.
max. allowable forces
(limit load) in (N)
1900
max. allowable bending
moment (limit load) in (Nm)
39
in x, y and z axis
(see Fig. 9)
attachment point
09184 L5 R5 L6 R6
5 000
in x axis
in y axis 2 000
in z axis 3 000
100
page 35
May 01/2007