[SEL] FW: Lister D model 26HD

[Eric Schulz]

On 10/06/2008, at 9:08 AM, William Minehane wrote:

> Maybe I am missing something so would appreciate “help”

What you are missing is that the engine, when tank cooled, has no  
specified water level. That is for hopper cooling. When tank cooled  
the whole cooling space is full of water and beyond. The water level  
now has to be above the top pipe in the tank.
What happens then is when the water heats up it rises in the pipe and  
flows into the tank. That is why the top water pipe in the tank needs  
to be submerged to eliminate resistance to the flow. If the water in  
the tank is below the pipe, the water will have to be forced "up  
hill". Of course, as the water flows from the top, the cool water  
enters the bottom of the engine water jacket. Hope this makes sense.
A tank or radiator cooled engine does not rely on evaporation for  
cooling.

Eric