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11/2009
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You may need to shorten the 2 mm Ø shaft to the point where there is only slight clearance between it
and the end of the motor shaft.
TIP:
the easiest method of cutting the spring steel shaft is to use a cut-
off disc from a Dremel multi-function set, e.g. Order No. D300-25.
•
Lubricate the shaft system using plenty of grease.
TIP:
if you use a tube of water-neutral grease (Order
No. 570), you can easily force it into the shaft strut after removing the shaft, then gently push the shaft
back into place using a constant rotary motion. De-grease the end of the shaft which is to fit in the cou-
pling before tightening the grubscrews in the shaft coupling.
TIP:
to achieve better mechanical power
transmission between the shafts and the cou-
pling, it is a good idea to file small flats in the
shafts. This provides a mechanical “key” for the
grubscrews, and prevents them slipping on the
shafts.
•
The following step is not necessary if you are
using an iFS system: drill a suitable hole for the
retaining screw of the steel whip aerial, and
mount the whip in the hull. Locate the flexible
wire aerial attached to the receiver, and shorten it
by the length of the whip. Strip the end of the
flexible wire aerial and connect it electrically to
the whip aerial, then deploy the remainder of the
flexible aerial neatly inside the boat, as far as
possible from all high-current cables, and secure
it with adhesive tape.
Adjusting the shaft strut on the model
The propeller is correctly adjusted when the rotational
axis of the shaft lies parallel to the surface of the water
when the boat is running at maximum speed. The
shaft strut is held in place by a single screw; always
tighten this screw firmly, as the propeller exerts a
powerful moment on the shaft strut and will try to
move it out of position.
TIP:
shifting it in the downward
direction raises the stern, while moving it upwards
lowers the stern.
TIP:
once you have established the
optimum setting for the shaft strut, we suggest that
you drill a through-hole and fit an M2 screw through it
to prevent the setting being lost accidentally.
