[PSUBS-MAILIST] Minn-Kota 101 WD-40 Thruster Teardown

[Cliff Redus via Personal_Submersibles]

 Tim, these pictures are from the R300 port stern thruster taken during the IS Beaver Island Expedition after the thruster quit working after a two-mile submerged transect.  It had been about 2 years since they were torn down but only an estimated 18-20 operating hour on the unit.  The thruster was hydraulically pressure compensated withe WD-40 and did spend 99% of their life sitting in my shop in Texas exposed to some high temperatures during the summers.  They were used only in Fresh Water, primarily at the Lake Charlevoix Psub event and the recent Beaver Island IS Event.
Cliff
    On Friday, August 4, 2023 at 08:44:11 AM CDT, Tim Novak via Personal_Submersibles <personal_submersibles at psubs.org> wrote:  
 
 Hi Jon, 
How many operating hours were on these motors prior to teardown? Were they used primarily in salt or fresh water?
Tim

On Fri, Jul 28, 2023 at 9:28 PM Jon Wallace via Personal_Submersibles <personal_submersibles at psubs.org> wrote:


I have added photos of the MK-101 teardown on the website.  Use the following link:
http://www.psubs.org/projects/1234567801/mk-101oilcompteardown/


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