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The photo shows the completed water rudder.
If you decide to install the floats on the model after initially completing it with the
wheeled undercarriage, the following steps are necessary:
1. Remove the outer wheel collets and the main wheels.
2. Undo the lower grubscrews and remove the tailwheel unit from the coupling (31).
3. Install the rear undercarriage unit (27).
4. Fit the floats and secure them with collets; note that the floats should be installed
with slight 'toe-in', as shown in the following photo. This is achieved by adjusting the
position of the collets (29) on the undercarriage units (27).
5. Fit the water rudder in the tailwheel coupling (31). Check that the rudder lies
exactly parallel to the rudder before tightening the lower grubscrews.
The wing
Gluing the wing spar (41) in place automatically sets the wing to the correct dihedral
angle. Move the ailerons to and fro repeatedly to free up the hinge.
Set the aileron servos to neutral before fitting the output arms on the output shafts,
then glue the servos in the wing. Connect the pushrods (16) to the servos and the
horns (17) before gluing the horns to the ailerons. Connect an 180 mm extension
lead to each aileron servo, and deploy the leads in a straight line in the wing recess
as shown before fitting the spar cover (42). Caution: be sure to apply plenty of
adhesive to the recess in the wing when gluing the spar covers in place. Wing
construction is completed by gluing the two screw support sleeves (43) in the top
surface of the wing. The finished wing can now be temporarily fixed to the fuselage
using the nylon retaining screws (44).
Installing the receiver and the LiPo battery
First connect the servo leads to the receiver; we recommend the following sequence:
socket 1: speed controller; socket 2: left aileron servo; socket 3: elevator servo;
socket 4: rudder servo; socket 5: right aileron servo; socket 6: tow release servo.
Install the LiPo flight battery as shown in the illustration. We recommend that you
leave two 100 mm servo extension leads permanently connected to the aileron servo
sockets at the receiver, as this makes it more convenient to connect the aileron
servos when you rig the model. At this stage you should check all the working
systems from the transmitter. The maximum control surface travels are as follows:
ailerons 24 mm up, 12 mm down; elevator 10 mm each side of centre, rudder 25 mm
each side of centre, all measured at the trailing edge of the control surface.
Flying the model from water
The motor must be effectively air-cooled, and this is especially important if you intend
to use a three-cell LiPo pack. To accomplish this cut away the foam inside the front
air-cooling intakes using a balsa knife. Caution: with a three-cell flight battery you
should only use full power occasionally, e.g. during the take-off procedure from
water.
If water should get inside the model, the electronic components such as the speed
controller, electric motor, LiPo battery, servos and receiver could be damaged by
GRAUPNER GmbH & Co. KG D-73230 KIRCHHEIM/TECK GERMANY
Änderungen vorbehalten! Keine Haftung für Druckfehler!
Id.-Nr. 0059669
2/2009
We reserve the right to introduce modifications. No liability for printing errors.
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