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5. Assembly instruction of the propeller
The assembly of the SWIRL-2 propellers is shown below. It is recommended to assemble the propeller on a worktable
before installing it on the plane. The procedure is the same for two-blade and three-blade SWIRL-2 propellers.
For further information, contact the DUC Hélices Company.
5.1. Assembly of the propeller
S
TEP
1.
Place the
rear half-hub
on a worktable.
Be careful not to invert with the front hub half.
Depending on your installation, the rear half-hub is one
mounted on the propeller-shaft of the engine or on a
spacer. The holes of the metal inserts of the rear half-
hub are higher than the holes of the metal inserts of the
front half-hub.
S
TEP
2.
Place the hub spacer in the center of the rear half-hub.
S
TEP
3.
Positioning the blades in their hub slots by placing them
outwards.
Orient the
DUC Hélices
logo facing you.
Note that the metal inserts of the half-hub allow a
locking of the blades in their axis within the hub.
S
TEP
4.
Place the
front half-hub
(metal insert with small hole)
on the set to fit with the blade foots.
S
TEP
5.
From the front hub, set up the 6 screws and washers
for hub assembly. At the rear, place washers and lock
nuts.
Perform initial moderate tightening.
S
TEP
6.
Place the hub clamping washer on the front of the
propeller hub (side logo).
Be sure the direction of the clamping washer
(rounded edge outwards).
Place the 6 fixing screws and their washer.
In the case of pin contact washers (Jabiru
mounting), the pins are oriented towards the screw
head.
Compact Hub version