Engine Mount - LIMBACH L 2000 Series Installation Manual

Flugmotoren
6

ENGINE MOUNT

Pos si ble lo ca tions for the mount ings are shown on the ap pro pri ate draw ing for the en gine model.
The max i mum static loads for each of the rear mount ing points (num ber 1 thru 4) are:
2800N - re sult ing load (F q1..4) in the di rec tion of the X and Y co-ordinates.
33000N - load com bined with pre-tension of the bolt and op er a tional loads in the di rec tion of the
Z co-ordinate.
For the front en gine mount (num ber 5):
3700N - re sult ing load in all di rec tions of the three co-ordinates.
If the front en gine mount (num ber 5) is used, only the two bot tom, rear mounts (num ber 1 and 2)
may be used.
The max i mum loads shown are static loads which may oc cur dur ing flight. The max i mum vi bra -
tion load is not de fined but must be taken into ac count in the de sign fac tor.
Cau tion: Loads im posed on the mount ings through the bend mo ment must not ex ceed that rec om -
mended by the man u fac turer. The en gine-mount bolts may not be sub jected to bend or
shear loads.
LIMBACH-Flugmotoren rec om mend the use a tu bu lar struc ture to mount the en gine to the air -
frame. The tubes are set at a low an gle of in cli na tion rel a tive to the ad ja cent struc tural mem ber.
This gives the de signer the op tion of a low bend-moment and ri gid ity. The shock-mounts are at -
tached to the firewall or be tween the en gine and en gine mount.
Prepared by: J. B. Meyer
Checked by:
Installation Manual
L 1700, L2000 and L 2400 Series
4
Y+
Z+
X+
3
1
2
Fig. 6-1 Coordinate System of the Engine for Load Definitions
Replaces edition from: 10.03.86
Edition: 01.03.1999
F
q+
F
X+
5
Page: 6-1
Reg. Number:
6
F
Y+