Re: [PSUBS-MAILIST] hot sub

[MerlinSub@t-online.de (Carsten Standfuss)]

Have the same expirence with Sgt.Peppers (steel hull). Its a inside
volume of 480 liters and with me in  just some 410 liters. The man has a
radiation lost of about 150 watt an hour = 0,15 Kw. 
Orginal in Peppers was a electric heather unit - but I never use it - 
even not in cold water of 12 Celisus - in fact I build it out after some
dives.

During film the boat for a TV-show - outside was a joung girl in a diver
swim suit and get pretty cold. Even the assistence diver and the camera
operator get really cold - and I was in the boat all the time in a
t-shirt and get warm...

I think a GRP boat with domes should be paint white or/and should have a
cooling system.. 

regards Carsten

Dale schrieb:
> 
> ----- Original Message -----
> From: "Alec Smyth" <Asmyth@changepoint.com>
> To: <personal_submersibles@psubs.org>
> Sent: Monday, May 31, 2004 6:50 AM
> Subject: [PSUBS-MAILIST] hot sub
> 
> > I went diving yesterday and had an interesting conversation with the dive
> boat operator. It turns out Graham Hawkes was here (Key Biscayne, FL) some
> months ago with Aviator and a Discovery film crew. They hired the dive boat
> to tow Aviator out to dive sites and back. The tows were almost 2 hours each
> way, and Graham had to be aboard for the entire two-way trip on account of
> low freeboard preventing the domes being opened at sea. Here's the
> interesting bit I hadn't thought of... the temperature in Aviator's cabin
> reached 120 degrees (that would be 49 Celsius) during the tows. They were
> putting wet towels on the acrylic domes during the tow, and on one occasion
> turned back and aborted the dive because of the heat. BTW the water
> temperature yesterday was 80F / 27C. I presume there was no machinery heat
> source on the boat since Aviator was just being towed, but the two acrillyc
> domes must have worked well as greenhouses, there is some black anodized
> aluminum, and the sub is pain!
> >  ted deep blue. I guess this is another reason to paint your boat silver
> or white!
> >
> > cheers,
> >
> > Alec
> >
> >
> >
> >
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> I have been towed short distances in my sub, and let me tell you...its HOT..
> in fact one time, I let air out of the ballast so I could sink under the
> waves, just to cool it off...
>    I cannot imagine 2 hrs each way
> dale.
> 
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