[ExI] Electric cars without batteries

[Keith Henson]

The obvious way is to direct couple the turbine to an AC generator.

No gears.

Just incidentally, that's the way diesel electric locomotives work.

Turbines *still* make weird sounds for those used to piston engines.

Keith

On Sat, Oct 23, 2010 at 11:36 AM, spike <spike66 at att.net> wrote:
>
>
>> ...On Behalf Of Mike Dougherty
>> Subject: Re: [ExI] Electric cars without batteries
>>
>> 2010/10/23 John Clark <jonkc at bellsouth.net>:
>> > serious noise issues you'd need to solve. I don't want to discourage
> anybody ...
>>
>> Since when?
>
> Since always.  The turbines aren't necessarily noisy but the gear trains
> are.  For a gas turbine to be efficient it must spin like all hell, which
> makes them inherently challenging for mechanical engineers.  If you know a
> practical way to quiet those gear trains and deal with the lubrication and
> wear problems, do share, so we can be rich and famous (you famous, me rich.)
>
> spike
>
>
>
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