Patrick,
Westerbeke and, Yanmar Marine have very small footprint, marine dedicated units. Take a peek at their websites.
Joe
From: "Patrick" <pat_man_ta@hotmail.com>
Reply-To: personal_submersibles@psubs.org
To: <personal_submersibles@psubs.org>
Subject: Re: [PSUBS-MAILIST] Diesel Generators
Date: Wed, 26 Sep 2007 16:36:01 -0400
>Thanks very much Peter!
>
>I would also prefer something that stays in the water
>rather than a smaller craft which is part of why I'm exploring
>the diesel/electric route.
>
>I am working on a core model in Pro-E that I will ideally use
>to generate multiple design solutions and variations to be
>explored and driven by, ultimately, budget and access to
>the water.
>
>A diesel/electric system is something I am familiar with in concept
>but I wanted to know what equipment and arrangements people
>actually used. I am by no means rushing out to buy a generator
>tonight! ;D
>
>
>
>----- Original Message ----- From: "Peter Madsen"
><peter@submarines.dk>
>To: <personal_submersibles@psubs.org>
>Sent: Wednesday, September 26, 2007 3:31 PM
>Subject: Re: [PSUBS-MAILIST] Diesel Generators
>
>
>>Patrick,
>>
>>
>>Diesel electric submarines are not always "diesel electric" in the
>>sense
>>that they operate d.generators to run electric motors - often
>>you have two independent powertrains - one electric - the other
>>diesel.
>>
>>In a Psub diesel sub - the diesel is used to transit to and from a
>>dive
>>location - mostly surfaced. That is most economic done with
>>something like a
>>ordinary diesel / mechanical gear - clutch box as in any motor
>>yacht. They
>>are available down to 8 - 10 hp fitting nicely with a 3 ton
>>submarine
>>
>>Submerged the diesel is tuned off and the exhaust is closed with a
>>valve.
>>The gear box lever is set to neutral - and a diminutive e motor is
>>then used
>>to propel the boat at much lower speed. Surfaced you might design
>>for 3 hp
>>pr. ton, while submerged you will need about 0.5 to 1 hp pr ton.
>>Its really
>>not very difficult and will improve you boats range ten if not
>>hundredfold.
>>
>>As usual - the bigger the better. A long hull give high speed a
>>short give
>>low surfaced speed. I in any way possible go for a boat the like
>>most ships
>>stays in the water and is transported on water. Its much simpler
>>than
>>trailers and tight weight budgets.
>>
>>These views are of cause my own, and I will defend anybody's right
>>to be
>>disagreeing with me...
>>
>>Regards
>>
>>Peter Madsen
>>
>>
>>
>>----- Original Message ----- From: "Patrick"
>><pat_man_ta@hotmail.com>
>>To: <personal_submersibles@psubs.org>
>>Sent: Wednesday, September 26, 2007 5:07 PM
>>Subject: [PSUBS-MAILIST] Diesel Generators
>>
>>
>>>I've been searching around to try and find the smallest of the
>>>small
>>>marine diesel generators but so far the smallest one I've found is
>>>about
>>>130 -210lbs and I'm not even sure they'd be appropriate for use
>>>inside a
>>>psub.
>>>
>>>Does anyone run small scale D/E in their sub? If so, what are you
>>>using?
>>>
>>>~patrick
>>>(creeping out of the shadows)
>>>
>>>Ref.:
>>>http://www.kohlerpower.com/marine/detail.htm?sectionNumber=13461&categoryNumber=8361&prodnum=71561
>>>
>>>http://www.centralmainediesel.com/order/4300N.asp?page=4300N
>>>
>>>
>>>
>>>
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>>
>>
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>
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