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Wiring for model boats

A diagram showing the components needed to power a model boat and how they connect
A wiring diagram showing how to connect two motors and a single throttle channel
A wiring diagram showing how to connect two motors using two throttle channels

The diagram above shows the basic components and how they are connected to power up a model boat and how they connect.

1. Use a correctly rated fuse. This will protect the electrical components should a fault occur or if you hit a stick in the water that jams the propeller. Its easy to think this is not necessary in a model. I learnt the hard way many years ago when a nut on my prop-shaft coupling came loose and jammed the prop-shaft. This incident cost me a new speed controller and a motor!  A 50p fuse would have been a lot cheaper.

2. A connector on the battery is obvious but by adding connectors to either side of the speed controller allows a quick swap out if you get a speed controller or motor fail.

3. Use wire of the correct gauge for the current your motor uses. A thicker wire is always better.

4. Receiver placement. place the receiver in the hull as high above the waterline a possible. 2.4Ghz radio waves do not travel though water and a receiver below the water line will give a poor performance.   

BRSMBC 2025

Valley Parkway, Bournville Lane, Birmingham, B30 1QS

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