Re: Perpetuum Mobile invented !

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Article #2645

#2645

From: Amir Knoll
Date: Wed, 19 Jun 1996 00:00

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DaveHatunen wrote:
> 
> In article <31BC3A96.FCE@aft.sn.no>,
> Andreas Haffner  <ahaffner@aft.sn.no> wrote:
> >Bob Casanova wrote:
> 
> [...]
> 
> >> Sorry, but a spring (or *any* mechanical energy storage system) has internal
> >> losses which result in <100% efficiency.
> 
> >Well, well... I will not argue here too strong but imagine: If there was any loss in a
> >spring it would not return to its original position after being depressed. So I guess
> >the efficiencey is at least some 99.99999% or more. How long would your car engine run
> >if  the valve springs had losses?
> 
> All springs have hysteresis losses. They must: they get warm when
> flexed and heat (energy) is lost that is not available for mechanical
> uses. But they still return to neutral. To understand this you must
> use an empirical energy/displacement plot for a real spring.
> 
> --
> 
>     ********** DAVE HATUNEN (hatunen@netcom.com) **********
>     *               Daly City California                  *
>     *   Between San Francisco and South San Francisco     *
>     *******************************************************test

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<69kLYINuldB@ddd.snafu.de> <31b75faa.504355@ne <cas.713.004AD7D0@ops1.bwi.wec.com> <31BC3A96.FCE@aft.sn.no> <hatunenDssn1w.Iw7@netcom.com>

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From: Amir Knoll <amirk@opal.co.il>
Subject: Re: Perpetuum Mobile invented !
Date: 1996/06/19
Message-ID: <31C7D793.58E@opal.co.il>
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