[PSUBS-MAILIST] Motor modification

[James Frankland via Personal_Submersibles]

Hi Antoine\Hank.

Thanks guys.  drinking bladder looks good.  I was thinking of a furniture
lift bag, which is very similar.  I use a hot water bottle for the aft
motor.

Hank, what do you use for a bladder?

Thanks
James

On 5 December 2016 at 13:18, hank pronk via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> James,
> I put my fill plug under the prop, in the flat end cap,  and it works like
> a dream.
> Hank
>
>
> On Monday, December 5, 2016 5:37 AM, Antoine Delafargue via
> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>
>
> Hi frank
> I have done something like that for my prop shaft seal oil filled
> compartment.  But first i removed the hose and filled with a serynge with
> long steel needle. Then put the tube and filled it with the serynge.
> The tube is flexible and transparent, from endurance sport
> platypus drinking bladder
> Works well
> Regards
> Antoine
> On Monday, December 5, 2016, James Frankland via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
> Hi All
>
> I have been talking to Rick about motor compensation which has got me
> thinking.
>
> I originally did my motors like other psubbers have done with the rubber
> tubes around the sides, but have found them a real pain to fill.  Problem
> is the location of the tube, plus the tiny bit of protruding pipe nipple on
> the inside.
>
> So, I modified the motors by drilling a hole in the top part of the
> aluminium endcap and use that now as the vent\final fill.  Its better, but
> still awkward.
>
> I have suggested to Rick this idea, which I am tempted to adopt myself.
> Blocking off the existing side mounted pipe nipples and
> filling\venting\compensating all from the one top hole.  There would be a
> rubber bulb of some sort on the end of the pipe.  2x pictures show filling
> and operation.  Appologies for rubbish drawings, im at work.
>
> What does everyone think?
>
>
> ​
> ​
>
>
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