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VTTC driven Plasma globe

VTTC driven Plasma globe

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This plasma globe wasn’t working properly, I was wondering why. It is sitting on the secondary coil of a Vacuum Tube Tesla Coil. Looking at it I think it may have had some air leak in. It is being over driven here and gets hot quite quickly.

UV_NH220CE.jpg SOX_Sint.jpg plasma_globe.jpg Cap_plates.jpg

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Filename:plasma_globe.jpg
Album name:tuopeek / misc
Keywords:Miscellaneous
File Size:377 KB
Date added:Jan 11, 2019
Dimensions:1564 x 2465 pixels
Displayed:106 times
Date Time:2019:01:11 19:40:04
DateTime Original:2019:01:11 20:29:15
Exposure Bias:0 EV
Exposure Time:1/6 sec
FNumber:f 3.8
Flash:No Flash
Focal length:22 mm
ISO:3200
Make:NIKON CORPORATION
Model:NIKON D3400
Software:Adobe Photoshop Elements 2.0
White Balance:0
URL:https://www.lighting-gallery.net/gallery/displayimage.php?pos=-155124
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Globe Collector
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Jan 23, 2020 at 04:42 PM Author: Globe Collector
Whoooo, keep the popbes of that oscilloscope away if you value your input FETs!

Love the bright emitting triode valve too.

Hey, Mark...you are in Scotland......"Thermionic Valve" please!!!


You have the same crappy Weller soldering Iron as me!

Manufactured articles should be made to be used, not made to be sold!

Fee, Fye, Fow, Fum, A dead man's eye and a parrot's BUM!

tuopeek
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Tuopeek-475652085781113 tuopeek1 77334065@N05/
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Jan 23, 2020 at 05:46 PM Author: tuopeek
It's amazing what you can't damage with a Tesla strike. I think, the 'skin effect' saves a lot of semiconductors.
Yeah, the valve is RS1026 out of an old transmitter.

lol, had that crappy Weller for decades its a real work horse but doesn't like the new lead free solder.
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Jan 23, 2020 at 06:01 PM Author: Globe Collector
Mark, NOBODY likes that 95%Sn 5%Cu crappy new frosty solder....so I would have to agree with your soldering iron in that case!

I'm just priming myself up to purchase (at huge expense) a whole heap of new elements, tips and thermostats for my four Weller curie-point alloy controlled irons and one thermocouple controlled temperature adjustable iron...which uses different tips of course, but the elements is the same.

Here in Australia they are only available from Wagner Electronic Services, (WES) in Sydney...and a few other places like Element14 and RS...but that are really expensive. Where would you get such things in the U.K., Maplin? Do they still exist?


Has the price of standard 60-40 solder "shot through the roof" over there...it sure has here, from about AU$15 per 500g reel to over AU$60 bucks a reel...seems the Government is doing with solder, the same as with cigarettes.

Manufactured articles should be made to be used, not made to be sold!

Fee, Fye, Fow, Fum, A dead man's eye and a parrot's BUM!

tuopeek
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Tuopeek-475652085781113 tuopeek1 77334065@N05/
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Jan 24, 2020 at 02:41 AM Author: tuopeek
yeah, I need to upgrade too. Have been looking at some of the hot air types for SMT work. Similar here lead solder is pretty much band. I have seen some low lead stuff on eBay but Maplin have gone. There are quite a few others, I wasn't keen on Maplin for stuff in the end anyway.
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Jan 24, 2020 at 03:51 AM Author: Globe Collector
You know that if you go to a data centre, pull a mux or "switch" out of a rack, rip the lid off and see what sort of solder is in there....60/40!!!

Yep, "backbone" communications are considered so important the reliability of "pure tin" solder, or lack thereof will not be tolerated and so this gear is exempt in the legislation....but for consumer stuff, well we just have to "lump it" as lab-rats to get longitudinal data on just how "pure tin" solder reduces the overall reliability of gear.

I have seen pictures of tin cans left in Mawson's Hut in Antarctica for 90 years at well below the allotropic conversion temperature of 16*C where metallic beta tin ultimately reverts to non-metallic alpha tin.


https://www.youtube.com/watch?v=FUoVEmHuykM

https://www.youtube.com/watch?v=Q9zdt-rOB0Y

The cans are there, with their dull steel surfaces exposed, not rusted that much because all the water is frozen out and the humidity is near zero. Around the cans are grey dusty rinds of powdered alpha tin!

What did you use in that Tesla/Odun Coil? "Pure Tin" or 60/40?

Manufactured articles should be made to be used, not made to be sold!

Fee, Fye, Fow, Fum, A dead man's eye and a parrot's BUM!

Globe Collector
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Jan 24, 2020 at 03:51 AM Author: Globe Collector
You know that if you go to a data centre, pull a mux or "switch" out of a rack, rip the lid off and see what sort of solder is in there....60/40!!!

Yep, "backbone" communications are considered so important the reliability of "pure tin" solder, or lack thereof will not be tolerated and so this gear is exempt in the legislation....but for consumer stuff, well we just have to "lump it" as lab-rats to get longitudinal data on just how "pure tin" solder reduces the overall reliability of gear.

I have seen pictures of tin cans left in Mawson's Hut in Antarctica for 90 years at well below the allotropic conversion temperature of 16*C where metallic beta tin ultimately reverts to non-metallic alpha tin.


https://www.youtube.com/watch?v=FUoVEmHuykM

https://www.youtube.com/watch?v=Q9zdt-rOB0Y

The cans are there, with their dull steel surfaces exposed, not rusted that much because all the water is frozen out and the humidity is near zero. Around the cans are grey dusty rings of powdered alpha tin!

What did you use in that Tesla/Odun Coil? "Pure Tin" or 60/40?

Manufactured articles should be made to be used, not made to be sold!

Fee, Fye, Fow, Fum, A dead man's eye and a parrot's BUM!

tuopeek
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Tuopeek-475652085781113 tuopeek1 77334065@N05/
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Jan 24, 2020 at 10:59 AM Author: tuopeek
All my TC are lead soldered. I still use lead solder a lot as I have a big bobbin of it and it will easily take me a decade to get through it. Its so much easier to work with. I didn't know coms equipment was still able to use lead solder. We have loads of new coms equipment at work I'll be looking for the Pb label.
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Mainly the mechanical side of things


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Jan 24, 2020 at 11:21 AM Author: Mandolin Girl

All my TC are lead soldered. I still use lead solder a lot as I have a big bobbin of it and it will easily take me a decade to get through it. Its so much easier to work with. I didn't know coms equipment was still able to use lead solder. We have loads of new coms equipment at work I'll be looking for the Pb label.

We won't use anything else, I wrecked a PCB by using the lead-free (...) and have learnt my lesson.!

Hugs and STUFF Sammi xXx (also in Aberdeen)

There are two kinds of light  -  the glow that illuminates, and the glare that obscures.
James Thurber  -  US author, cartoonist, humourist, & satirist (1894 - 1961)

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Jan 24, 2020 at 05:15 PM Author: Globe Collector
You'll be surprised how rapidly that reel of solder gets used up....particularly if you are building and modifying things like that Tesla/Odun coil.

If I have to repair stuff, consumer stuff where I have encountered dry joints in the tin solder, I suck and wick it all off and replace it with 60/40. Not the whole board, just the pads or components that require attention.

Manufactured articles should be made to be used, not made to be sold!

Fee, Fye, Fow, Fum, A dead man's eye and a parrot's BUM!

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