Re: [PSUBS-MAILIST] Pressure Hull Mock Up Feedback

["Dariusz Hoffmann" <darekhoffmann@gmail.com>]

Hello Steve,
Someone correct me if I'm wrong, but PC-1402 was launched in 1975, so
the dome was probably fabricated in 1974... So it is 34 years old !


Kind regards
Darek




2008/10/7  <MerlinSub@t-online.de>:
> I like mockeup also..
>
>
> The cheapest one ever build - a full scale displacement submarine:
>
> www.vulcaniasubmarine.com/CARSTEN%20SGT_files/image004.jpg
>
> (And no tree was killed to build it..)
>
>
> The biggest one, only plywood:
>
> www.euronaut.org/content/gfx/skeleton/1.jpg
>
> (Only one very old tree was killed..)
>
> vbr Carsten
>
>
>
> <psub101@iquest.net> schrieb:
>> Jay, The mock up was my first experience with molds and fiberglass. The mock up
>> "squats" a bit out of round from it's own weight but the general dimensions are
>> close.  The hull will be 2 hemispheres and a cylinder.  I am working on
>> strength/stiffener calculations now. I want 800 ft.
>> The front hull piece (with the dome opening) was already fabricated (salvaged
>> from the PC-1402) so it has ABS certification. I believe this is the major area
>> of hull strength issue due to the large opening but my feeling is Perry got it
>> right.
>> Now that I have the pressure hull dimensions established I can do all the fun
>> math.
>>
>> Thanks,
>> Steve
>>
>> Quoting "Jay K. Jeffries" <bottomgun@mindspring.com>:
>>
>> > Steve,
>> >
>> > Congratulations on the mock up.  Have you looked at hull strength issues for
>> > your hull shape?
>> >
>> > R/Jay
>> >
>> >
>> >
>> > Jay K. Jeffries
>> >
>> > Andros Is., Bahamas
>> >
>> >
>> >
>> > A skimmer afloat is but a submarine, so poorly built it will not plunge.
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> > -----Original Message-----
>> > From: owner-personal_submersibles@psubs.org
>> > [mailto:owner-personal_submersibles@psubs.org] On Behalf Of
>> > psub101@iquest.net
>> > Sent: Monday, October 06, 2008 4:10 PM
>> > To: personal_submersibles@psubs.org
>> > Subject: [PSUBS-MAILIST] Pressure Hull Mock Up Feedback
>> >
>> >
>> >
>> >
>> >
>> > All, This weekend I finished a full scale fiberglass mock up of my main
>> > pressure
>> >
>> > hull. I know others have discussed the benefits of having a mock up and I
>> >
>> > wanted to confirm.  I spent just under $1,000.00 but feel the investment
>> > will
>> >
>> > be well worth it as now I can walk around, touch, sit in, cut, change and
>> >
>> > envision design considerations that would be hard to do on paper. For those
>> > of
>> >
>> > us still designing, if you can build a scale mock up I believe it is well
>> > worth
>> >
>> > it. My project is in along the lines of the Perry PC-8.
>> >
>> >
>> >
>> > http://www.frappr.com/?a=viewphoto&id=257874&pid=10508188&myphotos=1
>> >
>> >
>> >
>> > Steve McQueen,
>> >
>> > Indianpoli, IN
>> >
>> >
>> >
>> >
>> >
>> >
>> >
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