[PSUBS-MAILIST] electric manipulator

[Rick Patton via Personal_Submersibles]

Hank,
I was told that I could use the power tilt rams for an outboard motor on a
manipulator and replace the oil with salt water but have not pursued it
further as that project is still a ways away.
Rick

On Sun, Nov 12, 2017 at 1:36 AM, hank pronk via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> Hi All,
> The electric manipulator project is on hold because I am not happy with
> the home built actuators.  I made two, one is linear and the other is
> rotary.  They work just fine but are under powered.  I thought I could
> compensate for the low power by spring loading the members.  This helps a
> lot, but in testing I find it inadequate.  I bought a trim tab  actuator
> that is fully submersible that I can experiment with.  I hope to simply
> remove one o-ring from the shaft and air compensate it.  One nice feature
> is the screw system requires no limit switches.  The actuator is cheaper to
> buy than build from scratch.  Luckily the new actuator is the same size as
> what I built, so they will fit the manipulator.
> Hank
>
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