The length is 70MM, the width is 42MM, and the height is 76MM. The weight is 143G.
It is very suitable to use a small engine to drive it to work together.
https://www.ebay.co.uk/itm/373343289717 [ Guests cannot view attachments ]
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A handsome outfit, so this is a water pump , an air turbine, an air pump

I don't think I understand quite yet.
Best guess is that it is a standard rubber impeller pump, often referred to as Jabsco pumps in the maritime world.
Very efficient pumps, as long as they arenīt allowed to run dry.
It would be nice to see this in action pumping .
Best guess is that it is a standard rubber impeller pump, often referred to as Jabsco pumps in the maritime world.
Very efficient pumps, as long as they arenīt allowed to run dry.
Impellor looks brass to me
Best guess is that it is a standard rubber impeller pump, often referred to as Jabsco pumps in the maritime world.
Very efficient pumps, as long as they arenīt allowed to run dry.
Impellor looks brass to me
I agree , it looks quite well made & performs as good as it looks (maybe better) , thanks for supplying us with the video Jin .