Author Topic: Teardown of General Electrics 3 Million Volt Lightning Laboratory  (Read 2142 times)

Offline Mads Barnkob

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Jeff Behary from the http://www.electrotherapymuseum.com/ is on a insane quest to teardown and save the old General Electric 3MV Test Laboratory, that features a 3 stage transformer stepup assembly into a huge Marx generator.

With Jeff's permission I am reposting selected pictures from his daily uploads as they make progress. Please consider helping Jeff by giving him a small donation (thread here: https://highvoltageforum.net/index.php?topic=2349.msg17196;topicseen#new ) to support opening a museum with this equipment in it!

Jeff's own words about this project:
Quote
As most of you know, I'm in the middle of a gigantic rescue mission saving General Electric's last standing high voltage research laboratory.  It was started in 1928 and was completed in 1949.  The apparatus inside weigh over 150,000 pounds and I am transporting it all to Florida to launch my museum into something official and of epic proportions.  I'm working with the best attorney in S FL to form the corporation and 501(c)3 nonprofit status, and have invested a lot of money upfront into this project personally to make it happen.  If anyone can spare a few dollars it would be greatly appreciated...
This history is priceless on many levels, and marked an epoch in high voltage engineering and testing... it was the foremost research bringing us an understanding of how to protect the entire electrical grid from lightning strikes, lightning interference, and safety - and was the leading catalyst of EMP (Electro-Magnetic Pulse) research that was later used by our military. 
The scope of this equipment - which is still perfectly viable and able to be put into use again - ranges from material testing to defense work.  The library, which I rescued in hundreds of trash bags, contains thousands of books and research papers that were never formally published:  On many levels, this was history worth going out of my way to help save. 
Fortunately the owner of the land has generously agreed to donate it for a tax write-off for his company, but even accepting the items for free is an expense task with regard to the logistics of everything.  Just off-loading this gear takes a 20-ton crane rental...  For an idea of scope and size, I will post some additional photos in the comments. 
Thank you for your support.

Pictures from the first visit on January 14th 2023


























« Last Edit: February 06, 2023, 11:01:42 PM by Mads Barnkob »
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Offline Mads Barnkob

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Re: Teardown of General Electrics 3 Million Volt Lightning Laboratory
« Reply #1 on: February 06, 2023, 08:46:52 PM »
February 3rd 2023

Quote
Most of the building is gone but here is what is packed so far!  Time to fire up the crane and head to the HV lab! This section of building is missing most of the building... and wow. There must have been 100 rack cabinets filled with giant variacs. It was unreal...emphasis on the "was" part.

To understand WAS, check out the last picture of a metal pile :(















« Last Edit: February 06, 2023, 09:17:56 PM by Mads Barnkob »
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Offline Mads Barnkob

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Re: Teardown of General Electrics 3 Million Volt Lightning Laboratory
« Reply #2 on: February 06, 2023, 08:48:18 PM »
Ca 250 pound spark gap adjustment with 2 belts over 80 ft long each...













« Last Edit: February 06, 2023, 09:18:14 PM by Mads Barnkob »
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Offline Mads Barnkob

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Re: Teardown of General Electrics 3 Million Volt Lightning Laboratory
« Reply #3 on: February 06, 2023, 08:52:03 PM »
The motor generator is in the next room and outputs of xfmrs have heavy coupled windings on the HV leg to power the next... so toroid is half of 350kV and lower HV terminal is half of 350kV-2300V and the other half is grounded to each case, floating in 2 and 3...

they don't make resistors like they used to! Half inch bolts to wire these in place! 66" long mounted to 2" diameter bakelite tubes with 1/4" walls...









« Last Edit: February 06, 2023, 09:18:27 PM by Mads Barnkob »
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Offline Mads Barnkob

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Re: Teardown of General Electrics 3 Million Volt Lightning Laboratory
« Reply #4 on: February 06, 2023, 08:56:53 PM »
Slowly dismantling a 4 pole 600A 3500V knife switch...!  2 million watts!














+

The moveable spark gap - 3/4" wall bakelite tubing on a bearing of glass marbles









« Last Edit: February 06, 2023, 09:19:45 PM by Mads Barnkob »
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Offline Mads Barnkob

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Re: Teardown of General Electrics 3 Million Volt Lightning Laboratory
« Reply #5 on: February 06, 2023, 09:06:04 PM »
First two capacitor banks down... 400 pounds each without insulators

Note the capacitors can all be remotely shorted via the belt assembly that also adjusts the spark gaps! Very ingenious.

















« Last Edit: February 06, 2023, 09:20:05 PM by Mads Barnkob »
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Offline Mads Barnkob

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Re: Teardown of General Electrics 3 Million Volt Lightning Laboratory
« Reply #6 on: February 06, 2023, 09:07:56 PM »
February 4th 2023

Beginning of another day disassembling













« Last Edit: February 06, 2023, 09:20:31 PM by Mads Barnkob »
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Offline Mads Barnkob

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Re: Teardown of General Electrics 3 Million Volt Lightning Laboratory
« Reply #7 on: February 06, 2023, 09:11:25 PM »
Finish disassembling impulse generator tomorrow, some more photos of the dark room, some fuse panels, and the modern 13200V-2300V 1000kVA dry type transformer used to power the cascade transformers post rotary generator days...

20 turns per layer 48 layers = 960 turns S:P ratio 5.5 so secondary must have 174.5 turns for the 2300V winding.























« Last Edit: February 06, 2023, 09:21:12 PM by Mads Barnkob »
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Offline Mads Barnkob

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Re: Teardown of General Electrics 3 Million Volt Lightning Laboratory
« Reply #8 on: February 06, 2023, 09:13:43 PM »
Packing up the Easter eggs and one of many 13800V 1200A disconnects nearby....















« Last Edit: February 06, 2023, 09:22:06 PM by Mads Barnkob »
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Re: Teardown of General Electrics 3 Million Volt Lightning Laboratory
« Reply #9 on: February 06, 2023, 09:17:02 PM »
coupling capacitors and spark gap adjustment....





























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Offline Mads Barnkob

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Re: Teardown of General Electrics 3 Million Volt Lightning Laboratory
« Reply #10 on: February 06, 2023, 09:27:37 PM »
Its DOWN!  Ca. 20,000 pounds!  Tomorrow we wrap up packing and disassemble the 1 meter sphere gap voltmeter...



















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Offline Mads Barnkob

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Re: Teardown of General Electrics 3 Million Volt Lightning Laboratory
« Reply #11 on: February 06, 2023, 09:29:13 PM »
February 6th 2023

















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Offline MRMILSTAR

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Re: Teardown of General Electrics 3 Million Volt Lightning Laboratory
« Reply #12 on: February 06, 2023, 09:57:44 PM »
Wow! So many goodies! I wonder if he has any plans to re-erect this monster? If so, where? It just makes me sick to see that pile of scrap. One wonders what good stuff is in that pile.
Steve White
Cedar Rapids, Iowa
Retired electrical engineer

Offline Avenger

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Re: Teardown of General Electrics 3 Million Volt Lightning Laboratory
« Reply #13 on: February 07, 2023, 02:33:52 PM »
Epic! Marx was carefully dismantled, the parts are in good condition. In Russia, a similar high voltage laboratory in Saint Petersburg was simply broken to hell.
« Last Edit: February 07, 2023, 06:14:53 PM by Avenger »
All ingenious is simple

Offline TizianoBll

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Re: Teardown of General Electrics 3 Million Volt Lightning Laboratory
« Reply #14 on: February 07, 2023, 04:50:10 PM »
That's a lot of work!

Thanks for all the photos!

Offline rikkitikkitavi

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Re: Teardown of General Electrics 3 Million Volt Lightning Laboratory
« Reply #15 on: February 07, 2023, 05:15:53 PM »
Oh.My.Gosh.
All those Variacs. Mr Variacs heart bleeds.
 I have to arrange Google Pay for donation.
« Last Edit: February 07, 2023, 05:17:56 PM by rikkitikkitavi »
A man can not have too many variacs

Offline Mads Barnkob

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Re: Teardown of General Electrics 3 Million Volt Lightning Laboratory
« Reply #16 on: February 07, 2023, 09:14:32 PM »
Epic! Marx was carefully dismantled, the parts are in good condition. In Russia, a similar high voltage laboratory in Saint Petersburg was simply broken to hell.

Was it this one? https://highvoltageforum.net/index.php?topic=555.0
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Offline Avenger

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All ingenious is simple

Offline abstruse1

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Re: Teardown of General Electrics 3 Million Volt Lightning Laboratory
« Reply #18 on: March 06, 2023, 03:41:52 PM »
A suggestion:  give memorabilia items for contributions in different amounts, e.g. some small nameplate for $50, insulator for $100, etc.

I would contribute!
Abstruse1
   Been working with electricity for 60 years and still getting a tingle!

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Re: Teardown of General Electrics 3 Million Volt Lightning Laboratory
« Reply #18 on: March 06, 2023, 03:41:52 PM »

 


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[General Chat]
Mads Barnkob
January 27, 2024, 01:15:51 PM
post Re: is there a standard pinout of optical audio output connectors?
[Electronic Circuits]
Mads Barnkob
January 27, 2024, 01:13:29 PM
post Determine output voltage of DRSSTC
[General Chat]
Pavol
January 27, 2024, 11:35:35 AM
post is there a standard pinout of optical audio output connectors?
[Electronic Circuits]
yourboi
January 27, 2024, 01:47:13 AM
post Re: First time DRSSTC Build
[Dual Resonant Solid State Tesla coils (DRSSTC)]
AstRii
January 26, 2024, 11:26:11 PM
post Re: First time DRSSTC Build
[Dual Resonant Solid State Tesla coils (DRSSTC)]
Saattvik24
January 26, 2024, 08:24:30 PM
post Re: Next Gen DRSSTC
[Dual Resonant Solid State Tesla coils (DRSSTC)]
Netzpfuscher
January 26, 2024, 05:19:18 PM
post Re: Anyone had success using analogue/digital HV panel meters?
[Beginners]
MRMILSTAR
January 26, 2024, 04:28:38 PM
post Re: Anyone had success using analogue/digital HV panel meters?
[Beginners]
Luca c.
January 26, 2024, 03:34:10 PM
post Re: Anyone had success using analogue/digital HV panel meters?
[Beginners]
FPS
January 26, 2024, 11:49:48 AM
post Re: Anyone had success using analogue/digital HV panel meters?
[Beginners]
TizianoBll
January 26, 2024, 11:04:37 AM
post Re: Next Gen DRSSTC
[Dual Resonant Solid State Tesla coils (DRSSTC)]
flyingperson23
January 26, 2024, 06:26:58 AM
post Anyone had success using analogue/digital HV panel meters?
[Beginners]
FPS
January 26, 2024, 06:25:52 AM
post Re: First time DRSSTC Build
[Dual Resonant Solid State Tesla coils (DRSSTC)]
Manz
January 25, 2024, 06:06:49 PM

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