[PSUBS-MAILIST] Air conditioner

[Phil Nuytten]

When subbing in hot climes, we use an air conditioner and hose into the hull to keep sub cool until hatch closure – then, if the water temp is high we use multi-pocketed pilot vests with sealed ice packs in the pockets. These are the kind you can refreeze over and over – the smaller ones used for sports injuries work well. We also cover the DeepWorker domes with a reflective cap ( ‘space’ blanket also works) while it sits on deck prior to a dive. We did many months of diving off the south Florida coast in summer (for NOAA ) – it was killer for heat!  
Phil

From: Alan 
Sent: Sunday, October 06, 2013 6:44 PM
To: Personal Submersibles General Discussion 
Subject: Re: [PSUBS-MAILIST] Air conditioner

Maybe a whole lot of slika pads (not sure if you call them that in the States.)
They wouldn't leave water in the bottom of the hull like ice. If you had a container with a cover
that could be removed & replaced, you could regulate the temperature a bit. 
It would be interesting to compare the amount of cooling you would get from a battery
compared with a block of ice the same size.
Alan

Sent from my iPad

On 6/10/2013, at 9:30 PM, Alan <alanlindsayjames at yahoo.com> wrote:


  The air conditioners in the Tritons have heat exchangers in the water. However you wouldn't
  get much cooling from the water in Florida. You could swim in there all day long, (what a treat.)
  I know they were heavy on the batteries.
  Alan

  Sent from my iPad

  On 6/10/2013, at 9:13 PM, swaters <swaters at waters-ks.com> wrote:


    That is something to think about. How does the subs at Triton or Nuytco put in A/C and heat? Just a big motor and alot of battery power? This whole idea may just not be practical for our subs, but I think worth exploring after I saw Alec amd Steve get out of snoopy the other day. 
    Thanks,
    Scott Waters




    Sent from my U.S. Cellular© Smartphone

    hank pronk <hanker_20032000 at yahoo.ca> wrote:

    Scott, 
    I think it would be simpler to run a house AC unit off an inverter.  It takes at least 5hp to drive an AC pump in a vehicle.  You can also get 12V coolers that might have some potential.  I have the opposite problem, cold, at least we can dress for cold.
    Hank

    From: swaters <swaters at waters-ks.com>
    To: personal_submersibles at psubs.org 
    Sent: Sunday, October 6, 2013 4:28:43 PM
    Subject: [PSUBS-MAILIST] Air conditioner


    I know basically nothing about HVAC. I am assuming taking a compressor outside of a car and running it on a 36 volt motor and running the tubing on the outside of the sub to disperse heat would consume to much power right? Anyone know how many amps at 36 volt, 24 volt, and 12 volt would be required to do something like this?
    Thanks,
    Scott Waters




    Sent from my U.S. Cellular© Smartphone

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