[PSUBS-MAILIST] Dome test chamber

[Alan via Personal_Submersibles]

Thanks Hank,
I just looked at your video.
Originally thought you were pressurising your whole submarine & imagining
the hatch with 200 tonne pressure on it, going in to orbit!
Alan

> On 13/10/2020, at 10:49 AM, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> Alan, there is no pressure inside.  The pressure is contained between the outside of the dome and the inside of the pressure chamber.
> Hank
> 
> On Monday, October 12, 2020, 1:06:51 PM MDT, Alan via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> 
> Hank,
> the internal pressure on the hatch dogs would need consideration.
> There would be a lot of pressure over the area of the hatch.
> How did you deal with that?
> Alan
> 
> 
>> On 12/10/2020, at 9:43 PM, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>> 
>> Thanks guys, it makes me think this should be a design consideration when building a sub, especially a sub with flat ports.  
>> All you would do is increase the size of bolts on the retaining ring, or if that is not practical then increase the number of bolts.  You could do an annual pressure test of each port without removing the port and test on its actual seat.  
>> Hank
>> 
>> On Monday, October 12, 2020, 1:37:16 AM MDT, James Frankland via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>> 
>> 
>> Great idea hank.  
>> 
>> On Sunday, 11 October 2020, Brian Cox via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>> 
>> Nice !
>> 
>> Brian
>> 
>> 
>> --- personal_submersibles at psubs. org wrote:
>> 
>> From: hank pronk via Personal_Submersibles <personal_submersibles at psubs. org>
>> To: Personal Submersibles General Discussion <personal_submersibles at psubs. org>
>> Subject: [PSUBS-MAILIST] Dome test chamber
>> Date: Sun, 11 Oct 2020 08:59:57 -0600
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> Sent from my iPhone
>> 
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