Water Pumps

This topic has 1 reply, 1 voice, and was last updated 7 June 2010 at 13:07 by Fred Graham 1.

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7 June 2010 at 13:07 #52494
Fred Graham 1
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@fredgraham1
Hi Folks,

I have noticed that some commercial model engine suppliers (E.G. Hemmens and Monahan) have water pumps driven directly from the crank shaft. They also have the valves arranged in a horizontal manner.

In all the Model Engineering mags, water pumps are usually geared down to 4 or 5 to 1 to avoid innefficiency, I believe, and the valve boxes are always vertical so that there is a degree of ‘gravity assist’ to valve seating.

If anyone is using plant with these characteristics, I would be interested in their experiences of performance and reliability.

Thank you, All the best, Fred Graham
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7 June 2010 at 13:07 #4054
Fred Graham 1
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@fredgraham1
Crank tp pump drive ratio & Valve box layout
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Water Pumps

Water Pumps

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