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4hv.org :: Forums :: Tesla Coils
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just an idea about static spark gap

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eniyuki
Fri Aug 21 2009, 12:54PM Print
eniyuki Registered Member #2148 Joined: Tue Jun 02 2009, 02:22AM
Location:
Posts: 62
recently, im finding parts for my static gap but i ended up having
a mini radiator from my old water cooled CPU, muffin fan, some hose, and a pump.
suddenly i realize why not use this type of cooling with the spark gap using OIL not water.

heres what im thinking, i dont know how will it behave or how effective this might be but i wanna try it since the items is available so why not try experimenting lol.
its a radiator cooled oil filled spark gap using 2 or more check valve made in brass removing the spring inside for a better flow of oil. any way here it is.
WILL IT WORK?, well its just an IDEA just want it to share...
schematic

edit:
oh my i didnt know how to do the link arrow thingy...
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J. Aaron Holmes
Fri Aug 21 2009, 01:21PM
J. Aaron Holmes Registered Member #477 Joined: Tue Jun 20 2006, 11:51PM
Location: Seattle, WA
Posts: 546
I don't see any immediate reason why such a thing wouldn't work, it's just overcomplicated. In addition, it only provides the cooling, and doesn't directly aid the quenching. I'd recommend looking at the "leaf blower" and "sucker" gap designs if you want active cooling/quenching in a static gap. Very easy to build, and very effective at low and even medium power levels.

Cheers,
Aaron, N7OE
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HV Enthusiast
Fri Aug 21 2009, 03:20PM
HV Enthusiast Registered Member #15 Joined: Thu Feb 02 2006, 01:11PM
Location:
Posts: 3068
As Aaron stated, it probably would work, but is overcomplicated. The sucker air gap design is a highly proven design thats been around for decades.

Then again, the DRSSTC would have never been discovered if Steve or Jimmy listened to the regulars at the various Tesla forums who said it wasn't possible or dismissed it initially.
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Coronafix
Fri Aug 21 2009, 11:09PM
Coronafix Registered Member #160 Joined: Mon Feb 13 2006, 02:07AM
Location: Melbourne, Australia
Posts: 938
"The Muffin fan!! The muffin fan! Who lives on drewry lane?"
(Couldn't resist)
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Fraggle
Sun Aug 23 2009, 09:26AM
Fraggle Registered Member #1526 Joined: Mon Jun 09 2008, 12:56AM
Location: UK
Posts: 216
Are you thinking oil for the resistivity? I suggest giving water a try first...
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Mads Barnkob
Sun Aug 23 2009, 03:11PM
Mads Barnkob Registered Member #1403 Joined: Tue Mar 18 2008, 06:05PM
Location: Denmark, Odense C
Posts: 1968
Fraggle wrote ...

Are you thinking oil for the resistivity? I suggest giving water a try first...

That would create a shortcircuit :)
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Myke
Sun Aug 23 2009, 04:18PM
Myke Registered Member #540 Joined: Mon Feb 19 2007, 07:49PM
Location: MIT
Posts: 969
Deionized water seems like a good idea because it has a very high specific heat and good thermal properties. It will only stay an insulator if it is deionized so I would try to avoid it contacting metals. I forget the name of the pump type but it just uses a flexible hose and some wheels to pump the water along.
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plazmatron
Sun Aug 23 2009, 11:20PM
plazmatron Registered Member #1134 Joined: Tue Nov 20 2007, 04:39PM
Location: Bonnie Scotland
Posts: 351
Myke wrote ...

Deionized water seems like a good idea because it has a very high specific heat and good thermal properties. It will only stay an insulator if it is deionized so I would try to avoid it contacting metals. I forget the name of the pump type but it just uses a flexible hose and some wheels to pump the water along.

Peristaltic pump wink

You can find them in the small store counter coffee/tea dispensers, like in Asda/wal-mart. They are all piped with silicone hose too!

Les
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Herr Zapp
Mon Aug 24 2009, 04:54AM
Herr Zapp Registered Member #480 Joined: Thu Jul 06 2006, 07:08PM
Location: North America
Posts: 644
eniyuki -

Jeff Behary (electrotherapymuseum.com) has built at least one type of water-cooled spark gap that utilizes tap water as the working fluid.

See it (and many other very interesting spark gap designs) at: Link2

Regards,
Herr Zapp
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Fraggle
Mon Aug 24 2009, 09:15AM
Fraggle Registered Member #1526 Joined: Mon Jun 09 2008, 12:56AM
Location: UK
Posts: 216
Mads Barnkob wrote ...

Fraggle wrote ...

Are you thinking oil for the resistivity? I suggest giving water a try first...

That would create a shortcircuit :)


Perhaps not, clean distilled water might be alright. The peristaltic pumps I`ve seen have low flow rates but if it`s not enough there are loads of all-plastic centrifugal pumps around. As stated above stuff that involves food and drink is the place to look - ice-machines are where I got mine.
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