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Re: Superconductivity



Original poster: "bob by way of Terry Fritz <twftesla-at-qwest-dot-net>" <forlaser-at-gte-dot-net>

whats the deal here????
i dont see how anyone could possibly use HT superconductors in a tc spark
gap.... YBCO is superconductivce at only a little above the temp of liquid
nitrogen... more exotic thallium based superconductors work at about 150k,
but still, you still have an atmospheric spark gap.. you still have hot
plasma.. this is going to generate enourmous heat... causing your
superconductor to go normal, and turning it into a rather poor conductor at
that... the loss in a spark gap is not due to the resistivity of the
electrode materials, but that of the spark it's self...

sounds like a bunch of hot air to me
no pun intended

-----Original Message-----
From: Tesla list <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Date: Sunday, July 01, 2001 10:03 PM
Subject: Re: Superconductivity


>Original poster: "Jason Petrou by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<jasonp-at-btinternet-dot-com>
>
>Idea: Nitrogen quenches gaps well, does it not? yup! So, put the nozzle for
>your nitrogen tank between the gap, sop it sprays agross the gap. The
>nirogen coming out will be *very* cold as it removes energy from the
>surroundings to become a gas.. -186 to be precise. Now, you have a quenched
>supercooled gap. Alternatively you coudl use liquid helium, which boils
>at -192 - that would be even more effective!! If anyone has access to these
>gasses in cylinder form, try it and tell me how it went!
>
>Regards,
>Jason
>----- Original Message -----
>From: "Tesla list" <tesla-at-pupman-dot-com>
>To: <tesla-at-pupman-dot-com>
>Sent: Sunday, July 01, 2001 10:47 PM
>Subject: Re: Superconductivity
>
>
>> Original poster: "Malcolm Watts by way of Terry Fritz
><twftesla-at-qwest-dot-net>" <m.j.watts-at-massey.ac.nz>
>>
>> On 29 Jun 01, at 17:07, Tesla list wrote:
>>
>> > Original poster: "Nebojsa Kovacevic by way of Terry Fritz
>> <twftesla-at-qwest-dot-net>" <morfeus-at-EUnet.yu>
>> >
>> > Malcolm,
>> >
>> > The spark gao wont be eliminated. Tell me did you ever try to
>"supercool'
>> > the arc?
>>
>> Now that is a curious notion - how do you supercool something that is
>> running beyond the surface temperature of the sun?
>>
>> ;)
>> Malcolm
>>
>> > Nele!
>> > -----Original Message-----
>> > From: Tesla list <tesla-at-pupman-dot-com>
>> > To: tesla-at-pupman-dot-com <tesla-at-pupman-dot-com>
>> > Date: Friday, June 29, 2001 1:24 AM
>> > Subject: Re: Superconductivity
>> >
>> >
>> > >Original poster: "Malcolm Watts by way of Terry Fritz
><twftesla-at-qwest-dot-net>"
>> > <m.j.watts-at-massey.ac.nz>
>> > >
>> > >Hi Nele,
>> > >
>> > >On 28 Jun 01, at 11:42, Tesla list wrote:
>> > >
>> > >> Original poster: "Nebojsa Kovacevic by way of Terry Fritz
>> > ><twftesla-at-qwest-dot-net>" <morfeus-at-EUnet.yu>
>> > >>
>> > >> 73
>> > >> After some time reading the people`s comments on the list, I realize
>that
>> > >> there is still one big problem in increasing the coils efficiency:
>> > everyone
>> > >> have to realize that the basic design of the coil didn`t change for
a
>> > really
>> > >> long time(don`t want to mention how long). I heard about problems
>with
>> > the
>> > >> top loads, conductors, primary power...... we have to move a bit
>further
>> > >> from where we are I think. After some researching I realize that we
>could
>> > >> build a whole new area of research in the field of Tesla coils. How?
>By
>> > >> using the superconductivity. With no looses at all!!!
>> > >> Recently, I have build some machines based on the principles of
>> > >> superconductivity, that works more than great, and are a scientific
>proof
>> > of
>> > >> what could be done with TC, if we use superconductors as a new
>> > technology.
>> > >> This field is very problematic, and it needs some argumented
>polemics.
>> > So,
>> > >> if anyone else on the list had some experiences with this, and want
>to
>> > open
>> > >> a new area of research, he is more then welcome.
>> > >>
>> > >> Kind regards to all,
>> > >> Nele!
>> > >
>> > >All your efforts with liquid nitrogen (helium?) will be in vain if
>> > >you don't eliminate the spark gap as well.
>> > >
>> > >Regards,
>> > >malcolm
>> > >
>> > >
>> > >
>> > >
>> > >
>> >
>> >
>> >
>> >
>>
>>
>>
>>
>
>
>