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Re: Re: [PSUBS-MAILIST] hull test



Hi Rick.
 
Ah! I see what you mean. It sounds like I could just use a rotary light dimmer switch and epoxy a circular steel plate to the switch shaft and then seal the whole
 
thing in a non ferrous pipe with the steel plate very close to the pipe wall. Then attach a stem to the outside of the pipe that a knob would turn on and make that
 
knob with a magnet in it like you said. Are we on the same page and do you think that would work and the magnet would be strong enough? You were talking
 
about neodemium magnets right?  If this is correct and I am understanding you correctly, isn't this the same thing as the motor magnetic clutch's we were discussing recently?
 
Any idea where I could get a neodemium magnet? Do they sell them at home depot? Lol.
 
Thanks. Bill.
----- Original Message -----
Sent: Thursday, October 27, 2005 8:07 PM
Subject: Re: Re: [PSUBS-MAILIST] hull test

bill
i cant find the site now but the basic idea was that you epoxy the reed switch to the inside of the caseand then you a knob on the outside of the case. the underside of the knob has a rare earth magent iserted in it and a detent ball and spring..if  mount two switches 180 degrees apart that would handle fow/rev. the trick for mag coupling to thepots is basicaly the same . you mount a disc on the end of the shaft withtwo mags  north north and on the hadle two mags south south
 
rick miller
----- Original Message -----
From: Akins
Sent: Thursday, October 27, 2005 4:12 PM
Subject: Re: Re: [PSUBS-MAILIST] hull test

Hi Rick.
 
You wrote......"waterproofing electronics
    atkins check the rebreather page for ideas on mags switches. the same
trick would work using a mag coupler to a potensiometer through an alum or
acrylic cover plate for your speed control input."

What page (and where at) were you referring to for me to check the rebreather mag switches?
 
Also, where could I find that magnetic coupler and pot you mentioned that would turn the pot through a cover plate?
 
Thanks, Bill.