[PSUBS-MAILIST] amp draw

[hank pronk via Personal_Submersibles]

Alan,I am not calling the guards Kort nozzles because a Kort nozzle is a precision made part intended to boost performance.  What I have is a random size heavy wall short piece of pipe around the prop with a layer of ss to extend the coverage.  I removed the ss layer so the prop is open just to see what happens.  The motor performance is good-the prop noise just needs to be investigated.  The new cartridge seals are a dream.I am welding on permanent MBT bottom vent extensions today.  When I installed the solenoid vents, I removed my temporary vent extensions thinking I did not need them.  Turns out the vent extensions are crucial.  I ended up only putting two solenoids on the front of the rear tanks as well as a vent line to take care of that pesky little  air trap in front of the vertical thrusters.  The whole venting system works like a charm now.  I have to say, I sure like the solenoid system-it would work nicely on a K sub also.Hank   

    On Tuesday, June 21, 2016 8:49 PM, Alan James via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
 

 Hank,Good thinking, looking at the original wires. Were you basing calculations on a marine wire gauge chart? They are a lot more liberal.I believe the kort nozzles put more load on your motor, in case that has anything to dowith performance.Alan


      From: hank pronk via Personal_Submersibles <personal_submersibles at psubs.org>
 To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
 Sent: Wednesday, June 22, 2016 10:47 AM
 Subject: [PSUBS-MAILIST] amp draw
  
Hi Alan,I rearranged my electrical system to 48 volts and my motors are now running in the sweet spot for amperage 12.5 each.  That was my target- I am basing the required amp draw by the original wire size in the motor penetrator.Hank
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