Heat exchangers and solenoid valves

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These are the essential parts required when building a twin-tank system.

The vehicle is started on mineral Diesel, and then the valves switch over to an auxiliary veg tank when the engine reaches full temperature - the heat exchanger is used to heat the vegetable oil before it reaches the injection pump, using engine coolant transfering heat across the plates of the heat exchanger.

Before stopping the engine at the end of a journey, the system must be "Flushed or Purged" with mineral Diesel, making it safe to re-start from cold ie: next cold start morning.

  • Click pictures to enlarge

  • This is a classic flat plate heat exchanger usually salvaged from an old combi boiler.

  • They come in various sizes determined by the amount of plates (the more the better)

  • Easily plumbed into your car heater system using existing tails or by fitting 1/2 inch or 3/4 inch hosebarbs respectivly.These are readily available from oilbits in sizes to match your heater hoses ID.

  • 12 volt valves.

  • 12 volt valves.

Rotary-Motion 21:50, 5 December 2010 (UTC)

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