Re: Hydraulic pump pics?
The gears would be a pair of the same size, and should be special pump gears not ordinary power trans gears. The pump gears are shaped differently to make the gear pair seal up to each other better. They also need to be ground for thickness to be 0.0004" thinner than the housing depth so as not to allow oil seepage around the sides.
If I could find a source for good pump gears, I'm sure I could build one (or multiple) just haven't been able to find a good source of small ones yet.
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Jeff
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