[PSUBS-MAILIST] dome and sub parts

[Alan via Personal_Submersibles]

Thanks Emile,
the new dome press must be working well.
Alan

Sent from my iPad

> On 31/12/2015, at 9:23 am, Emile van Essen via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> Hi Alan,
>  
> Depending on the calculation method and temperature is the operational depth for the 20 mm (apex) thickness about 220 meter.
> For the 26 mm about 300 meter.
> The crush depth is according to Stachiw’s tables about 4 times the operational depth.
> Has somebody on the list a calculation method for the crush depth?
>  
>  
> Emile
>  
> Van: Personal_Submersibles [mailto:personal_submersibles-bounces at psubs.org] Namens Alan via Personal_Submersibles
> Verzonden: woensdag 30 december 2015 21:09
> Aan: Personal Submersibles General Discussion
> Onderwerp: Re: [PSUBS-MAILIST] dome and sub parts
>  
> Wow that's a good price Emile.
> What is the crush depth of those 20mm thick domes?
> Alan
> 
> Sent from my iPad
> 
>> On 31/12/2015, at 8:49 am, Emile van Essen via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>> Hi,
>>  
>> For those who are preparing a sub project: I have a few acrylic domes for sale from stock.
>> See this webpage for details. http://www.nordicsub.nl/acrylic%20mermispheres.html Psub members 10 % discount ;-)
>> The Dome with 20 mm thickness has a OD. of 600 mm. For logistics an liability reason I can’t ship to the US  (directly)
>>  
>> Anyone interested is 2 or 4 steel hemispheres of about 1500 mm diameter?
>> Next Saturday I will visit a company who is selling 4 hemi’s that were intended for a 700 meter submersible.
>> On the visit I will measure accurate and ask for a price. Half the price of new would be fine.
>>  
>> Best regards, Emile van Essen
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