Re: [PSUBS-MAILIST] Re: Freya

[Carsten Standfuss <Merlinsub@t-online.de>]

Shawn H. schrieb:
> 
> Carsten,
> I respectfully disagree with you saying planes are more complex then subs.
> We have a plane, as well I'm a boat captain.  I also build many model craft.
> Planes work on ONE element of physics... LIFT.  And that's it.  Add speed,
> control, and you have a plane. As well, material concerns with planes arent
> as crucial as with subs.
> Subs have to fight against TREMENDOUS odds just to even SURVIVE, let alone
> function.  I need not list these things, as we all  already know.

yes..

> Of all the machines mankind has built, even the space shuttle... the
> SUBMARINE still remains the most expensive and complex piece of machinery on
> the planet.

No.. even a simple gliding motorboat hull is more complex than a subs
pressure hull. 
More differnet frames, more lines work, etc. Speed is more complex to
calculate etc. 
 
> Compare a psub to an ultralight... you cant say an ultralight is a more
> complex machine then the psub.  You also cant say an ultralight is harder to
> build.  You can build an ultralight in a week or less.  Most psubs are built
> over years of work.

In the Netherlands one guy built a Kittdrege style boat in less than 4
Weeks. 

Peter in Denmark build one sub a year - diesel electric and 7 or 12 and
24 meter long.  
 
> I agree that varying degrees of use determine complexity, but the sub by
> nature far outweighs in complexity most of what mankind is able to
> construct.  If it wasnt difficult, everyone would have one parked on their
> lawns.  They'd be like jet-skis.

What I mean is that the physic behind a sub is simple.




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