[PSUBS-MAILIST] Oil Compensator

[james cottrell via Personal_Submersibles]

Hi Jon,
I'll need to do a search for the exact item I used but it was a slip on fitting with an o-ring inside that slid over the shaft and tightened down. It was either a plumbing repair fitting or a liquid tight electrical fitting. The other end was threaded for a regular barb fitting to attach the tubing. Any way, it was a clean looking set up and should not be hard to find.
Note- the next item in the set up was a water strainer used as an electrical junction box- very helpful to have as a place to disconnect the motor for service.
Greg C

      From: Jon Wallace via Personal_Submersibles <personal_submersibles at psubs.org>
 To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
 Sent: Thursday, April 13, 2017 3:18 PM
 Subject: Re: [PSUBS-MAILIST] Oil Compensator
   
 What are you psubbers with MK101 motors using for air compensation tubing?  The O.D. of the MK101 shaft knob is 1.385 inches or 35.179mm.  I'm having a hard time finding a supplier of 1.375 inch I.D. hose which should be able to fit over the shaft knob after heating and some persuation, should I decide on an air compensation for the motors.  In lieu of finding some inexpensive tubing of this size, are there any off-the-shelf nipples of the correct thread that be threaded into the shaft knob to reduce the hose size?
Jon
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