More power & better cooling
Discussion
Surely its not going to 'release' any power since the engine has to drive the alternator that powers the electric motor!
I would have thought that a direct drive from the engine would be much more efficient than going via the alternator and so this could actually drain more power from the engine.
Mind you it could be a more efficient design of pumup and make some savings that way.
I would have thought that a direct drive from the engine would be much more efficient than going via the alternator and so this could actually drain more power from the engine.
Mind you it could be a more efficient design of pumup and make some savings that way.
"belt driven waterpump uses approx. 18-20bhp"
Horseshit.
I served my apprenticeship with a centifugal pump company and I can say that a pump which needs 20bhp to drive it is more likely going to be used to put out large fires than circulating cooling water round an engine.
Hmm, MOT exempt wedge fire tender anyone?
Horseshit.
I served my apprenticeship with a centifugal pump company and I can say that a pump which needs 20bhp to drive it is more likely going to be used to put out large fires than circulating cooling water round an engine.
Hmm, MOT exempt wedge fire tender anyone?
IMI, reducing the power to the cooling system is not a very effective way to increase power output of the engine. As soon as you start tuning the engine you put more demands on the cooling system rather than less. In general engines put out more power when they run cool and less when they run hot, also when running hot if they develop local hotpots this can reduce the engine life substantially. Basically I reckon you need to investigate very carefully before doing anything that reduces the water flow, and in most cases if you after more power you need more cooling not less.
The electric pump solutions are quite nice in that the water flow doesn;t drop off at low revs as it does with mechanically driven pump, but the mechanical pump consumes a lot of power at high revs and none of the normal EWPs are anywhere near as powerful. If it was, the electric pump would be a lot less efficient than the mechanical one since the electric power comes from the alternator which is relatively inefficient. Result is substantially less cooling at high rpm where you really need it.
The solution I use is an EWP in series with the mechanical pump, this sustains the flow at low revs and gives me pump run-on to counter heat soak but gives me the power of the mechanical pump at high revs.
The electric pump solutions are quite nice in that the water flow doesn;t drop off at low revs as it does with mechanically driven pump, but the mechanical pump consumes a lot of power at high revs and none of the normal EWPs are anywhere near as powerful. If it was, the electric pump would be a lot less efficient than the mechanical one since the electric power comes from the alternator which is relatively inefficient. Result is substantially less cooling at high rpm where you really need it.
The solution I use is an EWP in series with the mechanical pump, this sustains the flow at low revs and gives me pump run-on to counter heat soak but gives me the power of the mechanical pump at high revs.
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