[PSUBS-MAILIST] magnetic coupler

[Alan James]

Hi Hank,
The part that looks like an oil filter is the covering over a rotating magnet?

The second part is the full assembly that fits over the magnet (oil filter) portion.
What sort of force is involved when you put together or pull the two magnetic portions apart?
If you jammed the propellor on something the internal magnet would still rotate
but can it pull apart separating the propellor & it's obstruction from the coupler?
I've added a link to the coupler.
http://www.psubs.org/projects/1327775450/gammarestoration/

Alan


________________________________
 From: hank pronk <hanker_20032000 at yahoo.ca>
To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
Sent: Thursday, March 20, 2014 10:26 AM
Subject: [PSUBS-MAILIST] magnetic coupler
 


Anyone that may be interested, I posted a couple of pictures of my magnetic drive coupler assembly.  It is kinda chunky at about 9in long.  I can NOT overpower the coupler by hand, it is incredible how strong it is.  I pressure tested the assembly to 625 psi for one hr with no issues.  I will oil fill the shaft tube to lubricate the outboard shaft bearing and protect against corrosion.  This was a simple two day conversion with minimal machining required.
Hank
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