Rotax 912 i Series Installation Manual page 37

NOTE:
Standard aircraft industry damping elements (e.g. Lord) are suitable. See
Fig. 3.
Engine suspension
Graphic
NOTE:
Fig. 3
The vibration and acoustic insulation factor is dependent on the cell man-
Vibration neutral-
isation
ufacturer. Perform the determination as described in SL-912-010.
Damping ele-
ments
The y-axis must be perpendicular to the longitudinal axis of the aircraft.
Vertical axis
Permissible deviation from perpendicular: 10°.
Deviation
See
Effectivity: 912 i Series
Edition 1/Rev. 0
BRP-Powertrain
INSTALLATION MANUAL
With suspension on the 4 top lugs L3, R3, L4 and R4 only,
the tilting moment due to the pull of the propeller will be
avoided while, if attached on the bottom lugs only, the mo-
ment of tilting has to be taken care of accordingly.
Gummi
shock mount
The illustration shows Lord j 3608-1 or J 3608-2 rubber
mounts. Consult the manufacturer for the dimensions of
the rubber mounts.
All elements for neutralising vibrations must be cap-
NOTICE
WARNUNG
tive.
Fig. 4.
Zelle
Distanzrohr
distance tube
airframe mount
Stützscheibe
support washer
07600
10-10-00
Page 7
January 01/2012