[PSUBS-MAILIST] Hydraulic idea

[David Colombo via Personal_Submersibles]

Hank, who makes this?
David
On Nov 25, 2016 4:33 AM, "hank pronk via Personal_Submersibles" <
personal_submersibles at psubs.org> wrote:

> Hi All,
> I have an idea to replace the hydraulic pump for my new manipulator with a
> air over hydraulic system.  It is quite simple, the hydraulic oil reservoir
> is a hp tank that can be pressurized from a designated HP supply.  The oil
> return goes to another HP tank  to receive the oil.  This eliminates the
> pump completely and that is a dream.  The manipulator can go through 54
> complete extensions and retractions, that is 54 complete movements of all
> functions.
> After the oil is used up, the oil can be returned to the pressure tank by
> reversing the air flow.
> Hank
>
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