Re: Primary Heating

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Crow Leader by way of Terry Fritz <twftesla-at-qwest-dot-net>" <tesla-at-lists.symmetric-dot-net>

In the world of thermodynamics, heat flows from points of higher temperature 
to ones of lower temperature. Cold windings will not create magic hot air 
drafts that will make other parts hotter than themselves. 

KEN 

Tesla list writes: 

> Original poster: "Peter Lawrence by way of Terry Fritz
<twftesla-at-qwest-dot-net>" <Peter.Lawrence-at-Sun-dot-com> 
> 
> Guys,
>      hot air convection will tend flow up along the secondary, drawing air
> from near the inner primary turns which in turn draws air from the outer
> primary turns. Thus the outer turns are cooled by convection and the inner
> turns are heated by convection. 
> 
> just a theory, your milage may vary,
> Peter Lawrence. 
> 
>  
> 
> 
>>
>>Original poster: "Lau, Gary by way of Terry Fritz <twftesla-at-qwest-dot-net>" 
> <Gary.Lau-at-compaq-dot-com>
>> 
>>
>>Forgot to mention, I've observed the inner-turn-only heating both on my
>>"normal" flat primary, and also on my two-layer primary, where the top &
>>bottom spirals are joined in the center, with fuse-clip connections to the
>>outer ends.  See http://www.laushaus-dot-com/tesla/primary.htm.  Once again,
>>only the inner turns became warm. 
>>
>>Gary Lau
>>MA, USA 
>>
>>My innermost primary connection is by means of a very beefy copper strap,
>>securely soldered to the end of the tubing, and the connection to the strap
>>~ 2" distant by means of a 1/4" bolt.  The outermost primary connection is
>>the movable tap, and this by means of two fuseholder clips.  This is where
>>I'd expect to see ohmic heating, but do not. 
>>
>>Gary Lau
>>MA, USA 
>>
>><snip> 
>>
>> 
>>
>  
> 
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