axle pump

[john bennett 1Participant @johnbennett1]

does anyone know where i can get a 9/16 bore axle pump.i cant seem to find one through the usual suppliers.

[john bennett 1Participant @johnbennett1]

[Dennis RaynerParticipant @dennisrayner52782]

Does it have to be 9/16? Polly Bruce do a ½" one which gives 70% of a 9/16" output at the same stroke.

[duncan webster 1Participant @duncanwebster1]

Most axle pumps are too big. I've read somewhere that 1/250 of swept volume of cylinders is a good start.

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