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Notes on building the model
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Before you start building the boat it is important to study the plan and read right
through the instructions, referring to the parts list constantly. In general terms the
instructions and parts list reflect the sequence of assembly.
•
Please bear in mind that many tools can be dangerous if misused or handled
carelessly.
•
The electric motor must be suppressed by fitting a 470 nF capacitor (Order No. 3588).
Solder the capacitor across the motor terminals to form a bridge. If you are using a
BRUSHLESS or SENSORLESS motor this is not necessary, as suitable suppression
measures are built-in as standard.
•
Deploy all electrical cables neatly, without crossing them over. Take great care to
avoid any bare positive wire touching any negative wire.
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Be sure to use cable which is capable of carrying the high currents which flow
when the boat is operating.
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Deploy the receiver aerial as far away as possible from any high-current cables (at
least 3 cm).
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We do not recommend the use of standard-sized servos, as they are too large for
the model (you may not be able to position the drive battery correctly). If you only
have standard servos, you may have to re-position the battery as best you can.
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The shaft system must be lubricated; be sure to use a type of grease or oil which
does not soil or contaminate water (e.g. Order No. 570).
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If you have any intention of entering the boat in official competitions, you must fit
the prescribed emergency cut-off switch and a method of holding race number
placards (Order No. 365). These parts are not included in the kit. Please visit the
Internet sites already mentioned for more information and details of the
regulations.
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Please take particular care when driving screws into GRP parts. If you over-tighten
the screws, the GRP material may tear and the threads strip. If this should occur,
apply thick cyano to the hole until it is completely sealed, then fit the screw into the
hardened adhesive again, without drilling out the hole. This procedure can be
repeated as often as required. The model is reinforced with a plywood plate in the
rudder area.
•
Before gluing parts together, it is important to clean the joint surfaces carefully.
This is best done by sanding lightly, followed by wiping with a non-greasy liquid
detergent or methylated spirit ("meths"). The same applies to all surfaces which
are to be painted, as this improves the paint's adhesion considerably. Before
gluing any part to the hull it is essential to roughen the surface carefully using fine
abrasive paper, and de-grease it thoroughly using a solvent such as acetone. This
applies in particular to GRP hulls. If you neglect this, you cannot expect the glued
joints to "hold" in the long-term.
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Recommended adhesives for joining particular materials:
Material - mat
erial
Metal - metal
Suitable adhesives
Cyano-acrylate, UHU plus
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