RE: [TCML] Microwave caps

["Jim Mora" <wavetuner@xxxxxxxxx>]

Whoops, I was thinking 2 caps would handle 10KV from what I have been
reading. The 5 crept in as it is the way we would do it if we had a lot more
caps. This setup would leave 45 pairs @.5uf each. @22.5uf and about 1125
Joules as stated. I stand firmly corrected on "Joules" misspelling.
Jim Mora
We need more mind readers in the list ;-^)

-----Original Message-----
From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On Behalf
Of bartb
Sent: Thursday, September 03, 2009 6:18 PM
To: Tesla Coil Mailing List
Subject: Re: [TCML] Microwave caps

I don't quite understand the post either.
For 90 caps with 10.5kV rating, then 18 strings with 5 per string. 
Results in 1.8uF, 90j.
Using 0.5uF/2100V MO caps.

Regards,
Bart

Quarkster wrote:
> Jim -
>
> I don't understand your post; can you explain the math? How did you 
> arrive at the "10kv" rating? With five series-connected caps per string?
>
> Joel's caps are predominently .5uF at 2,100V.
>
> (Incidentally, the unit of energy is "joule".)
>
> Regards,
> Herr Zapp
>
>
> ----- Original Message ----- From: "Jim Mora" <wavetuner@xxxxxxxxx>
> To: "'Tesla Coil Mailing List'" <tesla@xxxxxxxxxx>
> Sent: Wednesday, September 02, 2009 10:42 PM
> Subject: RE: [TCML] Microwave caps
>
>
>> Hi Joel,
>>
>> Lets see, if you series 2 (10kv) easy- .5uf*(45 caps)=22uf= 1100 Jules-
>> definitely a worthy ring launching, HD disk plates, or coin shrinker. 
>> Please
>> be very careful with this as it is absolutely lethal. Be sure to 
>> discharge
>> the caps a couple of times. The internal resistor will discharge them 
>> over
>> time.
>>
>> Jim Mora
>>
>> -----Original Message-----
>> From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On 
>> Behalf
>> Of Steve Ward
>> Sent: Wednesday, September 02, 2009 4:07 PM
>> To: Tesla Coil Mailing List
>> Subject: Re: [TCML] Microwave caps
>>
>> First thing: i cannot be held responsible for anything you do with your
>> capacitors, but here is what i did with some of mine:
>>
>> http://www.stevehv.4hv.org/MOCs.htm
>>
>> As the previous poster mentioned, id highly suggest a very sturdy 
>> enclosure
>> built to contain shrapnel and oil in the event that the weakest 
>> capacitor
>> "lets go".  Pleeeeeeeease be extremely careful with these things when 
>> you
>> gang them up, there is some very serious energy storage.  Other than 
>> that,
>> MOCs seemed to work great for launching rings and other Not-So-Hard-Core
>> pulse power stuff. Basically the caps are junk anyway, so why not have a
>> little fun with them for awhile?  Just really keep safety in mind!!!
>>
>> Steve
>>
>> On Wed, Sep 2, 2009 at 5:04 PM, <nancylavoie@xxxxxxxxxxx> wrote:
>>
>>> I'm pretty certain I've seen them used in coin shrinkers.May be worth a
>>> google search if interested.If I recall though none of the projects 
>>> I saw
>>> used anywhere near ninety caps but perhaps you'll end up with a more
>> robust
>>> end result than those before you.I would imagine ring launchers and 
>>> rail
>>> guns are also feasible.Probably wouldn't hurt to place your caps in a
>> sturdy
>>> enclosure no matter what you build.Just in case! Wyatt
>>> ------Original Message------
>>> From: Joel Torgeson
>>> Sender: tesla-bounces@xxxxxxxxxx
>>> To: Tesla Mailing-list
>>> ReplyTo: Tesla Coil Mailing List
>>> Subject: [TCML] Microwave caps
>>> Sent: Sep 2, 2009 4:09 PM
>>>
>>> A while ago I posted a question about the poor performance of my 
>>> coil, and
>>> through the list's help, found out that microwave oven caps don't 
>>> work in
>>> the tank circuit.
>>> So here's my question: What should I do with 90 MWO caps? I have heard
>> that
>>> they are used in voltage doublers and filters, but is there another
>> project
>>> I could use them in? I have my eye on building a Marx generator, so 
>>> would
>>> these work for that? Or any other project you all can think of?
>>>
>>> Thank you for your time!
>>>
>>>  Sincerely,
>>> Joel Torgeson
>>>
>>>
>>>
>>>
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>>>
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>>>
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