RE: [PSUBS-MAILIST] Submersible Cost and Time to Build

["Brian Cox" <ojaivalleybeefarm@dslextreme.com>]

Hi Carsten,
             What would your assesment of the pros and cons of building a
large sub like yours using steel for the hull, like you are doing, as
compared to using concrete for the hull?  If I were to build a large sub
like your size out of concrete I would build it in sections that would bolt
together.  Probably 10' sections that could be individually sealed.  They
would all be made using the same mold except for the two end pieces.  And
then just keep adding section after section.  You would definately have some
different issues using concrete.

Brian

-----Original Message-----
From: owner-personal_submersibles@psubs.org
[mailto:owner-personal_submersibles@psubs.org]On Behalf Of
MerlinSub@t-online.de
Sent: Friday, May 15, 2009 2:59 PM
To: personal_submersibles@psubs.org
Subject: Re: [PSUBS-MAILIST] Submersible Cost and Time to Build


Alan you need more than 1000 hours.. and about 20K.

Less material cost means more hours.
More material cost for the SAME sub means less hours.

Sample :
You purchase a ready to play dome: high cost but less hours
You made the dome yourself : less material cost but many hours.

Another item is what kind of workshops and tools you have.
More workshop and better tools lower your hours and material costs..

You need at least a good grinder, much better two, a small and a big
drilling machine, a good welder
and a garage. A plasma cutter helps also a lot. If you miss one of this
items you have to put it one the money list for the project. And two 2-3
overalls, 10-15 pair of hand gloves and, and..

My figures shows that you have to add to the material cost about 4-5% for
tools and about 9% for other cost (like transport, repair the welder
etc..)and it takes you 1-2 hours a week just to clean up..

If you work each weekend 16 hours on the sub and that maybe
40 weeks a year you can spend just 600-700 hours per year and you need one
and a half year.
I build Peppers in a year, a small one man single seater. But Emile spent
another year to refit
and upgrade it.

Make a exel sheet with all figures helps a lot. And dont worry about the
high figures.
Just start- if you finish it you will forget all the hard money and hours
very fast
- and a good build and maintance sub can stay very very long.
My one mann is twenty years old now and still operational.

So divided the
1000 hours to build by a operational time of
30 years and you get just 33 hours a year to get a sub.

I think I have much over 10.000 hours on Euronaut now..

vbr Carsten



"Alan Clifford" <Alan@nortruck.com> schrieb:
> Assuming I do most of the work, will $16K buy the materials for a dry,
> one atmosphere, two person submersible with a trailer?
>
>
>
> Does it take 200, 300, or 400 hours to build one?
>
>
>
>             Alan
>
>




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