Paul wrote:

Rich wrote:

Is there a mechanical pump available that can be driven with
a belt? If so, it can be used as the back up for those that
don't want to carry an extra battery for the electric
pump(s).

Rich

One can be made if you don't mind over oiling at less than WOT.
I made a pump from pinion stock bought from Boston Gear and used
a mill to machine the housing.
Here is a drawing of the body. You could control the oil flow by
changing the gear or cog belt drive between the e-shaft and the pump.
I have some more info on this around somewhere I need to look up.
I also have some photos I think.

Paul Lamar

Sorry. Brain fade! This pump is not for fuel but it could be scaled up for
fuel I guess. It is for apex seal oil. 

Paul Lamar
 
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