Overheating in Boats

If you are using the 4QD series in a boat then you should pay particular attention to airflow and cooling to prevent the controller from overheating. It’s not kind to shut your controller away in Read More

Recharging Under Sail

When electric power is fitted to a sail boat, the propeller is driven by the water flow when sailing and will regenerate a lot of power which can be used to charge the batteries. However Read More