There might be another place to look,
https://www.eaglepicher.com/sites/default/files/EaglePicher_EnergeticDevicesCatalog_0.pdf
Steve
On Tue, Dec 4, 2018 at 11:55 AM Bob Landman <[log in to unmask]>
wrote:
> Chris,
>
> Many years ago I worked on an R&D project creating a very fast pressure
> wave simulating an underground nuclear explosion. We used exploding bridge
> wires in a water tank.
>
> We measured the pressure wave with a very fast piezo pressure transducer
> connected via an amplifier to an oscilloscope with a Polaroid camera
> attached.
>
> https://www.kistler.com/en/products/components/pressure-sensors/
>
> The capacitor was a huge metal encased oil filled capacitor with two large
> insulated terminals on the top of it.
>
> I can't recall how we switched the capacitor to the two rods suspended in
> the tank with a short fusible wire stretched between them but it may have
> been a thyratron tube.
>
> https://en.wikipedia.org/wiki/Thyratron
>
> Examples:
> https://www.ebay.com/p/High-Voltage-Oil-Filled-Capacitor-2uf-25kv/10020500178
>
> Bob
>
>
> -----Original Message-----
> From: TechNet <[log in to unmask]> On Behalf Of Nutting, Phil
> Sent: Tuesday, December 04, 2018 11:34 AM
> To: [log in to unmask]
> Subject: Re: [TN] (OT) High Voltage Pulse Caps
>
> My suggestion is EFC-Wesco in Connecticut. Bob Fountain is their sales
> guy. They have done several custom film capacitors for us to be used in
> our high voltage power supplies running up to 180 kV. Granted the cap was
> not run at the full 180 kV, but 30 kV and 40 kV is not uncommon for us.
>
> My 2 cents.
>
> Phil
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Chris Knudsen
> Sent: Tuesday, December 04, 2018 11:02 AM
> To: [log in to unmask]
> Subject: [TN] (OT) High Voltage Pulse Caps
>
> Greetings TechNet community,
>
> We're having trouble with a custom cap supplier (first-time transaction),
> which can (not-necessarily) remain nameless.
>
> If I can tap into the collective TN hive-mind:
>
> Has anyone had a good experience with a cap manufacturer that can supply
> custom high energy caps with these type of specs:
> Qty (2) Pulse Capacitors
> 40 kV
> 12.5 uF
> for
> 20,000 (20 k) Joules Max (pulse)
>
> Similar application:
> https://en.wikipedia.org/wiki/Exploding_wire_method
>
> Very low duty cycle (1 or so shots per random day).
>
> Because of the above manufacturer issues, we are also interested in close,
> and not-so-close, temporary substitutes to perform some basic system
> functionality tests.
>
> I'm happy to receive responses off-line, or on TN if you feel others would
> benefit.
>
> Regards,
>
> Chris
> [log in to unmask]
> ------------------------------------------------------------------------
>
--
Steve Gregory
Kimco Design and Manufacturing
Process Engineer
(208) 322-0500 Ext. -3133
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