[PSUBS-MAILIST] fiberglass

via Personal_Submersibles personal_submersibles at psubs.org
Thu Jun 9 10:09:37 EDT 2016


haha. Ok. Easy enough. I guess I was expecting a harder deal.
Thank you,
Scott Waters

>  -------Original Message-------
>  From: James Frankland via Personal_Submersibles <personal_submersibles at psubs.org>
>  To: Personal Submersibles General Discussion <personal_submersibles at psubs.org>
>  Subject: Re: [PSUBS-MAILIST] fiberglass
>  Sent: Jun 09 '16 09:08
>  
>  Assuming you mean the penetrator that passes through the hull?  It
>  attaches to the motor by screwing into the existing threaded hole
>  where the original fibreglass shaft attached.
>  
>  On 9 June 2016 at 14:17, via Personal_Submersibles
>  <personal_submersibles at psubs.org> wrote:
>  
>  > How does the rotator attach to the motor?
>  >
>  > Thank you,
>  > Scott Waters
>  >
>  >> -------Original Message-------
>  >> From: hank pronk via Personal_Submersibles
>  > <personal_submersibles at psubs.org>
>  >> To: Personal Submersibles General Discussion
>  > <personal_submersibles at psubs.org>
>  >> Subject: Re: [PSUBS-MAILIST] fiberglass
>  >
>  >> Sent: Jun 08 '16 10:14
>  >>
>  >> James,
>  >> Yes I always thread in penetrators now, right beside the brush
>  > on each
>  >> side, super easy!
>  >> As for taking the motor apart, the wires are coiled inside to
>  > allow
>  >> for removing the end cap with the brushes. Its a bitch, and I
>  > hate it!
>  >> but it is better than try to rotate the wires in the tight turn
>  > in the
>  >> housing. Of coarse a test assemble to ensure the wire length
>  > works
>  >> before epoxy is important. There is potential for damaging a
>  > wire and
>  >> not knowing it is damaged. Maybe my motors have a tighter turn
>  > in them
>  >> than the 101's. Either way, I like the way I do it now.
>  >> Hank
>  >> ps; nice picture
>  >>
>  >> On Wednesday, June 8, 2016 8:58 AM, James Frankland via
>  >> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>  >>
>  >> Hank. What if you have to take the motors apart for anything?
>  > They are
>  >> potted now and you get the same problem as I have\had?? I made a
>  >> brilliant picture.
>  >>
>  >> The problem for me is getting the cables from the potted shafts
>  > onto
>  >> the spade terminals while trying to push the brushed back
>  > through a
>  >> 2mm hole.... Probably the same awkward bend as you mentioned.
>  >>
>  >> If I did this again, I would probably have the cables threaded
>  > and
>  >> going outside and then back into the hull through a standard
>  >> penetrator. If I read it right that's what you've done. And I
>  > might
>  >> even do away with the rotating motors and have 4 of them static.
>  >>
>  >> ​
>  >>
>  >
>  >> On 8 June 2016 at 12:39, hank pronk via Personal_Submersibles
>  >> <personal_submersibles at psubs.org> wrote:
>  >>
>  >> > O ya one more thing, to remove the original shaft, heat it up
>  > first,
>  >> > there seems to be some sort of lock tight on the threads.
>  >> > Hank
>  >> >
>  >> > On Wednesday, June 8, 2016 5:35 AM, hank pronk via
>  >> > Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>  >> >
>  >> > I have opted for drilling and tapping in penetrators rather
>  > then run
>  >> > the wires through the shaft opening. If you go with your wires
>  >> > through the pivot shaft, I found that a two step process works
>  > for
>  >> > me. First I put the wires through the motor opening and seal
>  > them in
>  >> > place. The epoxy does not need to go into the motor, so I just
>  >> > silicone the wires at the motor so epoxy does not run into the
>  >> > motor. Alan had a great idea to use chewing gum. Then I feed
>  > the
>  >> > sealed wires through the shaft and then thread the shaft into
>  > the
>  >> > motor and fill with either epoxy or casting resin. I use a
>  > casting
>  >> > resin with super high compressive strength. If you install the
>  > wires
>  >> > with the epoxy into the shaft first, it is a bugger to rotate
>  > the
>  >> > shaft into the threads because my motors have an akward bend
>  > that
>  >> > the wires have to make. I have not used 101's though, just 50
>  > lb
>  >> > thrust, but I think they are similar.
>  >> > Hank
>  >> >
>  >> > On Wednesday, June 8, 2016 4:09 AM, James Frankland via
>  >> > Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>  >> >
>  >> > I made the rotating through hulls with 2x brass rods passing
>  > through
>  >> > into the hull.
>  >> >
>  >> > Personally, I find these motors and in particular these
>  > through
>  >> > hulls the single most time consuming part of psubbing.
>  > Difficult to
>  >> > construct and maintain.
>  >> >
>  >> >
>  > http://www.guernseysubmarine.com/publication2_files/Page21512.htm
>  >> > http://www.guernseysubmarine.com/extended_files/Page24592.htm
>  >> >
>  >> > Biggest problem is that when you have filled the inside of the
>  >> > through hull with epoxy, there is no longer any adjustment on
>  > the
>  >> > cable. So you have to make the cables fit without touching any
>  > part
>  >> > of the motor innards. Some sort of modification needed im
>  > sure. Plus
>  >> > the motors jam in the through hull tubes. Oil compensation is
>  > messy
>  >> > and a nuisance.
>  >> >
>  >> > I have seen Emile's hubless motors and these are much better,
>  > but
>  >> > not available to us at the moment I don't think.
>  >> >
>  >> > I just took delivery today of 8 brand new AGM batteries......
>  > :)
>  >> >
>  >> > Regards
>  >> > James
>  >> >
>  >> > On 7 June 2016 at 19:59, via Personal_Submersibles
>  >> > <personal_submersibles at psubs.org> wrote:
>  >> >
>  >> >> How has everyone retrofitted the MinKota's to have a 1"
>  > rotating
>  >> >> shaft to go through the penetrators?
>  >> >>
>  >> >> Thank you,
>  >> >> Scott Waters
>  >> >>
>  >> >>> -------Original Message-------
>  >> >>> From: Rick Patton via Personal_Submersibles
>  >> >> <personal_submersibles at psubs.org>
>  >> >>> To: Personal Submersibles General Discussion
>  >> >> <personal_submersibles at psubs.org>
>  >> >>> Subject: Re: [PSUBS-MAILIST] fiberglass
>  >> >>> Sent: Jun 07 '16 13:10
>  >> >>>
>  >> >>> I have the Minn-Kota 101,s and would like to see how those
>  > who
>  >> >> have
>  >> >>> done it have passed the power cables from the oil filled
>  > motor
>  >> >> threw
>  >> >>> the fitting that rotates and passes threw the hull to the
>  >> >> inside.
>  >> >>>
>  >> >>> Rick
>  >> >>>
>  >> >>> On Fri, May 27, 2016 at 1:53 PM, Alan James via
>  >> >> Personal_Submersibles
>  >> >>> <personal_submersibles at psubs.org> wrote:
>  >> >>>
>  >> >>>> Brian,
>  >> >>>> something you could experiment with is applying epoxy to
>  > the
>  >> >> glass
>  >> >>>> mat that
>  >> >>>> you want to adhere or on the sub itself & wait till it gets
>  >> >> tacky
>  >> >>>> before applying it.
>  >> >>>> Then apply the rest of the epoxy later, wait till the last
>  >> >> coat gets
>  >> >>>> tacky & add some more
>  >> >>>> glass cloth.
>  >> >>>> You could take your time with that process, but the epoxy
>  > is
>  >> >> twice
>  >> >>>> the cost of the polyester.
>  >> >>>> Alan
>  >> >>>>
>  >> >>>> -------------------------
>  >> >>>> FROM: Brian Cox via Personal_Submersibles
>  >> >>>> <personal_submersibles at psubs.org>
>  >> >>>> TO: PSubs <personal_submersibles at psubs.org>
>  >> >>>> SENT: Saturday, May 28, 2016 11:20 AM
>  >> >>>> SUBJECT: [PSUBS-MAILIST] fiberglass
>  >> >>
>  >> >>>>
>  >> >>>> Hank, I wanted to mention that some of my brilliant upside
>  >> >> down
>  >> >>>> fiberglass work did not go that great. I did not get the
>  >> >> adhesion
>  >> >>>> that I should have, some place seemed fine but other areas
>  > I
>  >> >> didn't
>  >> >>>> get the resin to soak in good enough. I may try something
>  >> >> else next
>  >> >>>> time. I may put an initial coat of resin on the underside,
>  >> >> soak the
>  >> >>>> fiberglass and then try to compress it up there some how
>  > with
>  >> >> a
>  >> >>>> plastic mold release barrier.
>  >> >>>>
>  >> >>>> Brian
>  >> >>>> _______________________________________________
>  >> >>>> Personal_Submersibles mailing list
>  >> >>>> Personal_Submersibles at psubs.org
>  >> >>>>
>  >> >>
>  > http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
>  >> >>>>
>  >> >>>> _______________________________________________
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>  >> >>>>
>  >> >>
>  > http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
>  >> >>>
>  >> >>>
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