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Re: Tesla's Folly

From Sergio <invalid@invalid.com>
Newsgroups sci.physics
Subject Re: Tesla's Folly
Date 2016-01-18 19:31 -0600
Organization Aioe.org NNTP Server
Message-ID <n7k3mo$6r6$1@gioia.aioe.org> (permalink)
References <4f7b5876-ec7d-4890-8912-8c9ece52f9a0@googlegroups.com> <n7jp9n$1of4$1@gioia.aioe.org> <qdqq9bp5lr8e4q43pt211bvpbjcpvi8n0e@4ax.com>

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On 1/18/2016 4:57 PM, Helmut Wabnig wrote:
> On Mon, 18 Jan 2016 16:33:36 -0600, Sergio <invalid@invalid.com>
> wrote:
>
>> On 1/18/2016 4:15 PM, Dan Elton wrote:
>>> Tesla was a great inventor,
>>>
>>> The truth is that Wardenclyff was a fool's errand.
>>
>> bullshit,
>>
>> he was on the edge of the state of the art.  Lots of people were trying
>> all sorts of things.
>>
>> hindsight is always 20-20, but looking ahead like Tesla could and did is
>> pure Gold.
>>
>>
>> why dont you go beat up Edison for inventing cylendrical records that
>> should have bee flat like a pizza ?
>
> Old TESLA was crazy and what Dan wrote is correct.
>
> A transmitter (the Wardenclyffe tower) transmits 360 degrees
> horizontally 180 degrees vertically.
>
> Do you follow and understand?
>
> Now imagine a receiver (you with your Tesla car) in 1 kilometer
> distance.
> On top of your car is an antenna like deer antlers,
> about the size of the car, because it can't be any greater.
>
> Do you follow and understand, if not feel free to ask.

> Now imagine how small your (actually big) car looks
> as seen from the tower in 1000 m distance.
> Now estimate the area of the hemisphere around the tower with
> 1000 meter radius and the few square meters of your antenna,
> set that in a relation.
>
> Do you understand?

> I did not do the actual calculation but the relation will be about
> 1 to 1 million or something. Don't bother about the exact numbers.
>
> Your antenna will only be able to receive one millionth of the
> radiated energy. Tesla built his tower for about 100 kWatt.
> so your car will "see" about 100 milliwatt from air.
> This is without taking efficiency and losses into account.
> Effectively you will receive about 1 milliwatt from the Wardenclyffe
> tower in 1000 meter distance with an antenna size of a car.
>
> With 1 millliwatt you can charge your smartphone,
> but it will take weeks.

> Do you understand now why Tesla was nuts when he built
> that money swallowing useless monstrum that transmits
> 99,99 percent of the energy into empty space up to the clouds?
>
> Do you understand?
> If not, feel free to ask.
>
> w.
>

during that period of time, nobody was designing directional antennas.

And they were at low frequency, right ?  (200khz?)

so getting antenna directional is not useful at low frequencys, right?

perhaps he should have used a long wire, but back then....

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Thread

Tesla's Folly Dan Elton <delton17@gmail.com> - 2016-01-18 14:15 -0800
  Re: Tesla's Folly Sergio <invalid@invalid.com> - 2016-01-18 16:33 -0600
    Re: Tesla's Folly Helmut Wabnig <hwabnig@.- --- -.dotat> - 2016-01-18 23:57 +0100
      Re: Tesla's Folly benj <none@gmail.com> - 2016-01-18 19:54 -0500
        Re: Tesla's Folly Helmut Wabnig <hwabnig@.- --- -.dotat> - 2016-01-19 10:59 +0100
      Re: Tesla's Folly Sergio <invalid@invalid.com> - 2016-01-18 19:31 -0600
    Re: Tesla's Folly jimp@specsol.spam.sux.com - 2016-01-18 23:27 +0000
      Re: Tesla's Folly benj <none@gmail.com> - 2016-01-18 20:07 -0500
        Re: Tesla's Folly jimp@specsol.spam.sux.com - 2016-01-19 01:30 +0000
          Re: Tesla's Folly benj <none@gmail.com> - 2016-01-18 21:08 -0500
            Re: Tesla's Folly Sergio <invalid@invalid.com> - 2016-01-18 20:12 -0600
              Re: Tesla's Folly benj <none@gmail.com> - 2016-01-18 23:37 -0500
                Re: Tesla's Folly Sergio <invalid@invalid.com> - 2016-01-19 08:24 -0600
  Re: Tesla's Folly James McGinn <jimmcginn9@gmail.com> - 2016-01-18 16:00 -0800
    Re: Tesla's Folly benj <none@gmail.com> - 2016-01-18 19:47 -0500
    Re: Tesla's Folly Sergio <invalid@invalid.com> - 2016-01-18 19:35 -0600
  Tesla's Folly HVAC <mr.hvac@gmail.com> - 2016-01-18 16:26 -0800
    Re: Tesla's Folly benj <none@gmail.com> - 2016-01-18 21:05 -0500
    Re: Tesla's Folly Sergio <invalid@invalid.com> - 2016-01-18 20:14 -0600
  Re: Tesla's Folly benj <none@gmail.com> - 2016-01-18 19:37 -0500
    Re: Tesla's Folly Sergio <invalid@invalid.com> - 2016-01-18 20:17 -0600
      Re: Tesla's Folly Sergio <invalid@invalid.com> - 2016-01-19 08:24 -0600

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