Dodge (well Chrysler I presume) made some kind of a turbine engine car way back 
in the '60s. Apparently it was actually quite nice to drive. I forget where I 
read the article about it, probably a magazine, it was awhile ago.
All the issues related to startup and shutdown can be easily computer 
controlled, think of all the stuff the computer does in a Prius anyway...
-Curt
      From: G Mann via Mercedes <mercedes@okiebenz.com>
 To: Mercedes Discussion List <mercedes@okiebenz.com> 
Cc: G Mann <g2ma...@gmail.com> 
 Sent: Friday, September 11, 2015 12:56 PM
 Subject: Re: [MBZ] Turbines for power and heat [was Re: The demise pf Pruis 
h*ters]
   
So sorry to bring rain to the parade..

Reality is like that.  The internal combustion engine is noisy, stinks,
pollutes, and it's inefficient. However, to date, there is no practical
replacement for use in motorcars.

The theory can be raised that mankind is inherently lazy. Horses, for
example, require incredible effort to feed, contain, train, and tame. Yet,
for centuries, they were the method of transport because humans would
rather ride than walk..

Go Green, Be Clean.... as long as it's easy..

On Fri, Sep 11, 2015 at 9:48 AM, Curly McLain via Mercedes <
mercedes@okiebenz.com> wrote:

> Turbine engine may make sense on paper, but in reality, there is no cheap
>> turbine engine.
>>
>> Having several decades of experience in the manufacture, sale, and use of
>> turbine engines, including APU [aux power unit] systems, my experience
>> tells me the application is not practical for automotive use..
>>
>> Expensive to build due to the high speed of operation and complicated
>> compressor and turbine wheel required to make a turbine engine, of any
>> size.
>> Materials needed to withstand both temperature and speed of rotational
>> components are expensive. A set of turbine wheels for a small APU will run
>> you in the range of $20,000.
>>
>> Couple with that, the start sequence is much more involved than "just
>> turning the key". If air flow and fuel management are not correct, you
>> will
>> have a hot start and melt down of the turbine components. The same in
>> reverse for shut down sequence.
>>
>> Complicated operation requirements would not bode well to the general
>> public, who are virtually incapable of pumping their own gas or checking
>> tire pressure.
>>
>> Just my thoughts, your mileage may vary.
>>
>
> Hmmm,
>
> Could it be that when theory meets real world, sometimes the theory does
> not stand up?  Naa, couldn't be......
>
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