Re: Exploding Maxwell caps (fwd)

["Tesla list" <tesla@xxxxxxxxxx>]

---------- Forwarded message ----------
Date: Thu, 16 Aug 2007 19:11:34 -0500
From: resonance <resonance@xxxxxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: Re: Exploding Maxwell caps (fwd)




Been building coils and doing EE for 45 years.  My formal training is in 
physics.

We spent 3 years developing these caps and they are as near bullet proof as 
you can get.




Dr. Resonance

Resonance Research Corp.
www.resonanceresearch.com


----- Original Message ----- 
From: "Tesla list" <tesla@xxxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Thursday, August 16, 2007 5:13 PM
Subject: Re: Exploding Maxwell caps (fwd)


>
> ---------- Forwarded message ----------
> Date: Thu, 16 Aug 2007 17:40:49 -0400
> From: timjroche@xxxxxxx
> To: tesla@xxxxxxxxxx
> Subject: Re: Exploding Maxwell caps (fwd)
>
>
> mr cox,
>
> you actually took the undertaking of producing HV caps? that is some
> undertaking, no? with a Q of 20,000 ? you are talking highest quality, Mil
> spec. specialty caps. are you the engineer? or are they out-of-house?
>
>
> -----Original Message-----
> From: Tesla list <tesla@xxxxxxxxxx>
> To: tesla@xxxxxxxxxx
> Sent: Thu, 16 Aug 2007 5:11 am
> Subject: Exploding Maxwell caps (fwd)
>
>
>
>
>
> ---------- Forwarded message ----------
> Date: Wed, 15 Aug 2007 22:46:23 -0500
> From: resonance <resonance@xxxxxxxxxxxx>
> To: Tesla list <tesla@xxxxxxxxxx>
> Subject: Exploding Maxwell caps
>
>
>
> I don't use them, but a few people on the list, in years past, have 
> reported
> problems with them.  As Scott pointed out, the voltage reversal will kill
> them.  You need a Maxwell rated for 100% reversal.
>
> We make our own now, conservatively rated at 80 kV DC with a Q factor
> greater than 20,000.  60 nF and 100 nF sizes available.
>
>
>
> Dr. Resonance
>
> Resonance Research Corp.
> www.resonanceresearch.com
>
>
> ----- Original Message ----- 
> From: "Tesla list" <tesla@xxxxxxxxxx>
> To: <tesla@xxxxxxxxxx>
> Sent: Wednesday, August 15, 2007 3:38 PM
> Subject: Re: first post (fwd)
>
>
>>
>> ---------- Forwarded message ----------
>> Date: Wed, 15 Aug 2007 22:09:55 +0200
>> From: Finn Hammer <f-h@xxxx>
>> To: Tesla list <tesla@xxxxxxxxxx>
>> Subject: Re: first post (fwd)
>>
>> Within the first month of operation, the Museum Coil blew it`s MMC and I
>> had to improvise, to keep the coil running until I got the real thing
>> from Maxwell.
>> http://home5.inet.tele.dk/f-hammer/tesla/tesla.htm
>>
>> The solution was to use 4pcs. of Maxwell 37667  caps in a
>> series/parallel configuration.
>>
>> The coil is powered by a 20kV transformer, and the peak charging voltage
>> is 28kV.
>> It is running at 300BPS.
>>
>> The caps were running 5+ shows a day, 10-20min. each for a month, and
>> the caps never got even remotely warm, and are still kept as backup.
>>
>> Under which circumstances did you explode your samples, Dr.?
>>
>> Cheers, Finn Hammer
>>
>> Tesla list skrev:
>>
>>>
>>> These Maxwell caps on E-bay are only rated for 1-5 pps and will usually
>>> explode if operated at 120 or more pps.
>>>
>>> They will work but only for very short runs.
>>>
>>>
>>>
>>> Dr. Resonance
>>>
>>> Resonance Research Corp.
>>> www.resonanceresearch.com
>>
>>
>>
>>
>
>
>
>
>
>
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