With the loss of the inbuilt fan on the Dynamo we decided on a 12v electric fan fixed to the reverse of the radiator. The fan is fixed with 4 plastic ties that pass though the core of the radiator.
To control the fan we used an adjustable Mechanical Thermostat, to ensure we don't overcool the engine we can adjust when the fan turns on.
The Thermostat uses a Common, Normally Open (NO) and Normally Closed (NC) contact. Once the required temperature is reached the NO contact closes and the NC opens. The stat can switch 10Amps and can therefore control the fan directly however I've installed an additional relay in the new fuse box to allow for a different control in the future.
As is becoming the norm, the 3d printer came into its own and Justin designed a simple enclosure. If you wish to purchase contact sales@mindparadox.co.uk
It is fixed in the front of the engine bay and the sensor is tucked into the top radiator hose under the jubilee clip.
Radiator Fan
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