[PSUBS-MAILIST] Dive fail.

[Alan James via Personal_Submersibles]

James,they look quite cool. I think they are a good attribute evenif they aren't that functional. You know, like Women, they canlook good but not necessarily be that functional.Alan
      From: James Frankland via Personal_Submersibles <personal_submersibles at psubs.org>
 To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
 Sent: Tuesday, July 7, 2015 8:53 AM
 Subject: Re: [PSUBS-MAILIST] Dive fail.
   
in fact, this is a classic example  of why making a full scale mock up would be a good idea.  If I had done that, I would have known they were rubbish.....but we learn... James


On 6 July 2015 at 21:50, James Frankland <jamesf at guernseysubmarine.com> wrote:

Hi Carsten, Pete. Yes, the 5 portholes were supposed to be so I could see out.  I thought it was a good idea, but they are too small and too far away from the main dome to be of any real use.   I can see a little and they do let light through, but as I said, they are "nearly useless".  I am diving this weekend (I hope!) so I will take a picture and you can judge for yourself.  I have sealed them now with sikaflex so I don't think they will leak. RegardsJames 
On 6 July 2015 at 21:44, Pete Niedermayr via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

James, You use the phrase "The nearly useless windows that I put on the forward tank" is that because of your disappointment with the leak or because they don't provide the visibility you had hoped for.

Pete
--------------------------------------------
On Mon, 7/6/15, James Frankland via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

 Subject: [PSUBS-MAILIST] Dive fail.
 To: "Personal Submersibles General Discussion" <personal_submersibles at psubs.org>
 Date: Monday, July 6, 2015, 4:04 AM

 Hi
 All, 
 I had a failure of a day on Sat.  I put the boat in, and
 it had a
 leak.  Not into the pressure hull, so it wasn’t a
 complete failure, but
 the leak was from the forward main tank.  The nearly
 useless windows that I put on the forward tank were leaking
 air.  Not just a little bit which I could have put up with
 it, but loads.  The boat was diving quicker than venting
 normally. 
  I
 pulled it out and went around tightening them up.  Put it
 back in and it didn't make any
 difference. It
 was strange as they have been perfectly ok before.  I think
 the problem is that on Friday while I was prepping the boat
 for diving, I went around and tightened the bolts.  It must
 have broken the seals.   Anyway.  I could have
 possibly winged it by running with a reduced main ballast,
 but as
 I was heading into the open sea, I thought I best be
 sensible and call it off.

  

 So
 It was in for about 10 minutes.  Pulled it out and was home
 by 8:30, very
 disappointed. Spent the afternoon sticking them in with
 Sikaflex and moaning. Hope these pics make it through.  You can
 just see the air spilling from the widows in the second
 picture and the boat is going down nose
 first. Kind RegardsJames 
 ​
 ​


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