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RE: [PSUBS-MAILIST] CNG power for subs

I think you have the perfect life, building submarines and high quality
tenders. Also you have great beer over there!  Thanks for the info.
That Steyr is a smart design.  We were working on a 6 cylinder Steyr about
15 years ago for CNG.  My friend was doing the conversion of diesel to spark
ignition.
That technology then went to china where they are making them.  I have not
heard about what has happened since but there is a lot of CNG (Erdgas) in
China now.
Regards, Hugh

-----Original Message-----
From: owner-personal_submersibles@psubs.org
[mailto:owner-personal_submersibles@psubs.org] On Behalf Of
MerlinSub@t-online.de
Sent: Wednesday, 28 July 2010 8:28 p.m.
To: personal_submersibles@psubs.org
Subject: RE: [PSUBS-MAILIST] CNG power for subs

Ping.. The Steyr motors have what they call a monohead. 
Block and Cylinderhead are made from one piece cast- one unit. 
The engine is outfitted from the crankshaft. 
So there are no cylinderheadseal, no cylinderheadsbolts. 
One reason that the engine is such light. 
And has never problems with this parts.. 

There is one on the market with a integreate flywheel generator (IFG). 
The perfect plug and play set for a new high but expensive submarine. 
Very compact dieselectric design. 

http://www.steyr-motorsna.com/products/pdf/ifgpower.pdf

And the tenders we build: 
http://www.yachtwerft-meyer.de/en/tenderboat

vbr Carsten

"Hugh Fulton" <hc.fulton@gmail.com> schrieb:
> Yes, Nice engine but still a little heavy for me. So how come you do
> superyacht tenders?  Sounds interesting! Also you always come up with
> something, models, answers etc. I enjoy your site too.   Chs Hugh
>    
> 
> 
> 
> -----Original Message-----
> From: owner-personal_submersibles@psubs.org
> [mailto:owner-personal_submersibles@psubs.org] On Behalf Of
> MerlinSub@t-online.de
> Sent: Wednesday, 28 July 2010 10:37 a.m.
> To: personal_submersibles@psubs.org
> Subject: RE: [PSUBS-MAILIST] CNG power for subs
> 
> http://www.completeyachtservice.com/PDF/Steyr/164_E.pdf
> 
> Ping.. We use this engine in our high performance superyacht tenders. 
> No need for petrol, CNG or LPG - just a very light diesel. 
> 
> vbr Carsten
> 
> 
> "Hugh Fulton" <hc.fulton@gmail.com> schrieb:
> > Hi Brian,
> > I would go for LPG rather than CNG and the kits are similar.  You could
> get
> > it tuned for Propane or butane mix which ever you have and it is easily
> > filled anywhere. Range is much better and those light cylinders that
Frank
> > was looking for using as VBT's are LPG cylinders you can see through. I
> > would think that they would be good for around 1000 ft but definitely
500
> ft
> > as long as they had some LPG still in them. Gasoline engines are lighter
> > than diesel engines.  I would love to find a really small high
horsepower
> > (150 ) high speed, Diesel engine.  Chs,  Hugh  
> > 
> > 
> > 
> > -----Original Message-----
> > From: owner-personal_submersibles@psubs.org
> > [mailto:owner-personal_submersibles@psubs.org] On Behalf Of Brian Cox
> > Sent: Wednesday, 28 July 2010 3:58 a.m.
> > To: Personal_Submersibles@Psubs. Org
> > Subject: [PSUBS-MAILIST] CNG power for subs
> > 
> > Hi All,   Hope everybody had a good time at the convention !   Congrats
> > Vance on your new aquisition !
> > 
> > CNG for subs:
> > 
> > The main objection to having a gasoline engine on a sub is the volatle
gas
> > fumes.  I was thinking that it might be advantages to use Compressed
> Natural
> > Gas in a regular automotive engine (like a Chevy 350) or whatever would
> work
> > size wise in a psub.  There is a slight power reduction with CNG but not
> > much. Also the pressurized tank required would take up a bit more room
> than
> > diesel, but since it is pressurized it would function well at depth as
far
> > as keeping seawater out.  Another added benifit would be the elimination
> of
> > any possible spills into the ocean environment.  If one went with a CNG
> > power it would give you a lot more options with types of engines,
> > compression ratios would have to be altered however.  You can find
engines
> > from the factory designed for CNG otherwise you would need to retro-fit.
> > 
> > Brian
> > 
> > 
> > 
> > 
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