Re: Salt Cap

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: robert heidlebaugh <rheidlebaugh@xxxxxxxxxxxxxx>

Chris: The glass of the chem lab bottles you show are thick enough to stand
the voltage. These bottles have not been tested because the cost new is
normaly prohibitive . They should work.
   Robert   H
--


> From: "Tesla list" <tesla@xxxxxxxxxx>
> Date: Fri, 05 Aug 2005 14:16:39 -0600
> To: tesla@xxxxxxxxxx
> Subject: Re: Salt Cap
> Resent-From: tesla@xxxxxxxxxx
> Resent-Date: Fri,  5 Aug 2005 14:19:52 -0600 (MDT)
>
> Original poster: "Chris Rutherford" <chris1@xxxxxxxxxxxxxxxxxxx>
>
> Would anyone recommend 250ML lab reagent bottles or are they too
> small or of the wrong dimensions?
>
> http://www.gandmtools.co.uk/cat_leaf.php?id=1609
>
>
> Thanks
>
> Chris
>
>
> ----- Original Message ----- From: "Tesla list" <tesla@xxxxxxxxxx>
> To: <tesla@xxxxxxxxxx>
> Sent: Tuesday, July 05, 2005 12:08 AM
> Subject: Re: Salt Cap
>
>
>> Original poster: Davetracer@xxxxxxx
>> In a message dated 7/3/2005 10:14:47 P.M. Mountain Daylight Time,
>> tesla@xxxxxxxxxx writes:
>> Original poster: Mddeming@xxxxxxx
>>
>> In a message dated 7/3/05 2:12:42 P.M. Eastern Daylight Time,
>> tesla@xxxxxxxxxx writes:
>> Original poster: Adam Britt <beans45601@xxxxxxxxx>
>>
>> its still not worth it.
>>
>> -Adam
>>
>>
>>
>> "For a given value of 'it' " ?
>>
>> I just built a neon sign powered coil (12kv/60 ma). I'm low on
>> spare change at the moment.
>>
>> So I wandered by WalMart and got a big metal pot. My son picked
>> up some copper tubing, then bent it into continuous bottle-shaped
>> segments, so the bottles going in had support, and also had
>> whatever benefit possible from having the current and voltage
>> "piped" right to the bottles. Then I picked up a 12-pack of Corona
>> [no pun intended] beer, poured out the beer, filled with water to
>> about 2" from the top, and used some thick copper wire to form
>> center electrodes for the bottles. I used table salt both inside
>> and outside. Finally I filled the pot with water to the same level
>> as the bottles. The pot sits on thick books to keep from
>> accidentally zapping into the floor.
>>
>> Results: It works fine. There has not been a punchthrough yet
>> [knock on wood]. The copper tubing inside keeps the bottles from
>> falling over quite nicely, and the Corona bottles are just
>> wonderful with their long necks; in fact someone on the list recommended
>> them.
>>
>> I don't see any point in using oil, laxatives, chocolate or
>> concrete. (Of course those are probably for a different design of
>> caps). I think that probably the cooling effect of the water helps
>> keep the bottles from shattering from heat stress.
>>
>> This may have cost as much as $20, but it could have been $10.
>>
>> This coil is putting out the biggest sparks I've ever made with
>> a TC, and during a tuning session the other day, tripped the fire
>> alarm many feet away on the ceiling. I have two thoughts about that:
>>
>> (1) "What a pain!". (I had to call and tell them it was an 
accidental trip).
>> (2) *COOL* !!
>>
>> While some of the coils from people on this list are
>> constructed beautifully, my experience has been there is cost and
>> time attached to that. You really can build these things on a
>> shoestring. I'll probably experiment with MMC cap arrays when I
>> accumulate more quarters in the spare change can.
>>
>> -- thanks,
>>
>> Dave
>>
>>
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