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Thanks for this friendly mail,
In fact I am building a small fiber glass diving bell that i will soon test to get a first experience, the bell will be able to host 2 divers to permit them to perform a short dry deco staying on a 20m bottom and then i'll see if it is a realistic venture .
the problems i'll meet will be a good lesson for the future.
I'll post photos of all of that.
regards
jean michel Urbani
----Message d'origine----
>Date: Fri, 13 May 2005 03:32:18 -0400 (AST)
>De: EM
>A: personal_submersibles@psubs.org
>Sujet: Re: [PSUBS-MAILIST] Fiberglass submersibles inquiry
>
>We're ALL stupid newbie dreamers!
>Some of us are more newbie than others, but all with a similar level of
>stupidity and dreamyness.
>
>I say hurrah to stupidity and dreamyness. Without it, we'd still be
>ground-bound (no
stupid fools to take those new-fnagled
>dangerous air machines up, or even to be brave enough to sail over the
>horizon), slow (no cars, or internal combustion engines which explode),
>and dark (no-one to play with electricty, mining equipment -e.g. nobel,
>who accidently blew his arm off with nitroglycerine, or big
>buildings). and phooey to the sensible stay-at home folks with nothing
>beter to do than to exercise advice with which they've had no
>
experience!
>
>Now if I can only get away from this computer and DO something about the
>dreams...sigh. Stupid indeed.
>
>On Fri, 13 May 2005 jurba@club-internet.fr wrote:
>
>> body, table, tr, td, p {font-family: Verdana;font-size:12px;margin: 0px 0px
>> 0px 0px} .bgtabl {BACKGROUND-REPEAT: no-repeat}
>>
>>
>>
>>
>>
>> >I know that laminate hulls for submersibles are not a
>
> >good idea. I have always liked the bionic dolphin
>> >project though and I was wondering what the max depth
>> >it can safely reach is?
>>
>>
>>
>> hello
>>
>>
>>
>> There is a french guy in the south of france who is building an egg shapped
>> submarine using fiber glass.
>>
>>
>>
>> this guy runs a fiberglass company, has built a plane in
epoxy
>> fiberglass plans to
>>
>> use his sub unit at 15 atms at least.
>>
>>
>>
>> He is building his unit with the help of french engineers working on nuclear
>> submarines in toulon (where all french nuclear subs have been made)
>>
>>
>>
>> The builder says that using steel is certainly a good thing but that there is
>> no reason why a sub could not be made of fiberglass
provided the
>> resistence calculations have been properly made.
>>
>>
>>
>> I have personnaly dived in a 40 sits tourism sub-marine in monaco , the sub
>> hull was totaly made in a transparent resin (very thick), so i see no reason
>> why a sub could not be made in a plastic material.
>>
>>
>>
>> On the other hand i could note that this kind of building requires bigger
>> means than the
traditional stell hulls, it cant' be done in a small garage,
>> requires big moults , amtmosphere control (humidity and temperature).
>>
>>
>>
>> I will take some photos and publish the hull to share with the group (with the
>> autorization of the builder).
>>
>>
>>
>> and we will se the result soon.
>>
>>
>>
>> Personnaly i am really interrested in the result cause i
would like to built
>> an un motorized sub five meter long designed to welcome divers for 4 days with
>> the possibility to reduce the pressure up to surface pressure at the end of
>> stay.
>>
>>
>>
>> The sub will have to withstand a pressure of 3 bars .
>>
>>
>>
>> And i want to do it in fiber glass.
>>
>>
>>
>> I have asked question on this list about fiber
glass , and got no anwser
>> except a coupe of posts saying it was not advisable to do so.
>>
>>
>>
>> so i think that guys here down must have reason to think so but it must be
>> because of practical reasons.
>>
>>
>>
>> or maybe am I a stupid newbie dreamer that has nothing to do here ??????
>>
>>
>>
>> regards
>>
>>
>>
>> jean
mi
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
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>
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