[PSUBS-MAILIST] Minn Kota lower unit material

Wed May 2 07:07:40 EDT 2018

thanks !

2018-04-30 21:57 GMT-04:00 Alan via Personal_Submersibles <
personal_submersibles at psubs.org>:

> Phillipe,
> here is the link to James's site that documents his K350 build.
> Somewhere in the build log you should see how he has done his rotating
> thrusters.
> http://www.guernseysubmarine.com/index.htm
> I understand where you are coming from in that a welded rod on to the
> thruster's penetrator would be more substantial than a threaded rod
> that may unwind.
> As the guys have said, watch that the magnets don't get too hot. Also most
> magnets are glued on so any heat may effect the glue.
> All the best.
> Alan
>
>
> Sent from my iPad
>
> On 1/05/2018, at 1:18 PM, hank pronk via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
> Just thread the rotating shaft so it screws into the motor, the same way
> the original shaft fit into the motor.  Then drill the rotating shaft for
> wires and fill the void with epoxy (potting)  James Franklin has a site
> with very good detailed pictures that will help you.  I personally have not
> done this but most if not all K250's are done this way.  I am sure those
> that have done exactly what I mentioned will be happy to guide you.
>
> Hank
>
> On Monday, April 30, 2018, 6:30:42 PM MDT, Philippe Robert via
> Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>
>
> I currently build a modified version of the k-250. I want to figure how to
> fit the minn kota to the rotating shaft. (both side of the sub.)
>
> Philippe
>
> 2018-04-30 20:00 GMT-04:00 hank pronk via Personal_Submersibles <
> personal_submersibles at psubs.org>:
>
> Phillippe, not sure what your asking?  if your asking if you can weld a
> fitting onto the shaft stub, I would say yes, providing you don't get the
> part to hot.  I am not sure why you would weld it though.  You can simply
> pot wires right in the stub hole, and I have two thrusters like that.  You
> can thread a fitting into the stub that is a penetrator.  Both options work
> well, but welding it will also work.   Maybe you can explain what your
> planning to do and why you want to weld a part on.
> Hank
>
> On Monday, April 30, 2018, 5:24:26 PM MDT, Philippe Robert via
> Personal_Submersibles <personal_submersibles at psubs. org
> <personal_submersibles at psubs.org>> wrote:
>
>
> ok it is strong enough ?
>
> 2018-04-30 14:04 GMT-04:00 via Personal_Submersibles <personal_submersibles at psubs.
> org <personal_submersibles at psubs.org>>:
>
> i sketched out an adapter for mine. Will screw them in with epoxy and call
> it a day.
> Vance
>
>
>
> -----Original Message-----
> From: Rick Patton via Personal_Submersibles <personal_submersibles at psubs.
> org <personal_submersibles at psubs.org>>
> To: Personal Submersibles General Discussion <personal_submersibles at psubs.
> org <personal_submersibles at psubs.org>>
> Sent: Mon, Apr 30, 2018 11:36 am
> Subject: Re: [PSUBS-MAILIST] Minn Kota lower unit material
>
> I’d be concerned about warpage. You may need to re machine the ends?
> Rick
>
> On Sun, Apr 29, 2018 at 12:40 PM hank pronk via Personal_Submersibles <personal_submersibles at psubs.
> org <personal_submersibles at psubs.org>> wrote:
>
> Be careful about welding to the magnet barrel.  Heat will ruin the
> magnets, you could submerge the barrel in water while you weld the
> penetrator.
> Hank
>
> On Sunday, April 29, 2018, 1:30:43 PM MDT, Philippe Robert via
> Personal_Submersibles <personal_submersibles at psubs. org
> <personal_submersibles at psubs.org>> wrote:
>
>
> Ok. thanks. I think to weld my penetrator to it. (at the place of the
> original shaft)
>
> Philippe
> 2018-04-29 15:15 GMT-04:00 Cliff Redus via Personal_Submersibles <personal_submersibles at psubs.
> org <personal_submersibles at psubs.org>>:
>
> I have a number of Minn Kota 101 lower units, MK part number 2886289.
> While I don't have anthing from MK on materials, I tend to agree with Hank.
>
> 1) Main body that has the permanent magnets attached is some kind of steel.
> 2) Brushed end assembly that holds the shaft bushing and lip seals is cast
> aluminum (probably 6061-T6)
> 3) Bow end of lower unit that holds a bearing is also cast aluminum
> (probably 6061-T6)
>
> Cliff
>
>
>
> On Sat, Apr 28, 2018 at 7:11 PM, Philippe Robert via Personal_Submersibles
> <personal_submersibles at psubs. org <personal_submersibles at psubs.org>>
> wrote:
>
> Hi,
>
> I have a question about Minn Kota engine Housing. What kind of steel is
> made ?
>
> Thank you,
>
>
> Philippe
>
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