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Microwave oven and energy discharge caps

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LAN_403

Firefox

Thu Jun 12 2008, 11:10PM

Registered Member #1389 Joined: Thu Mar 13 2008, 12:50AM
Location: Pittsburgh, PA
Posts: 346

Out of curiosity, where did you get all of the MOCs? If you stripped them all from MOs, I envy your ability to find sources of dead/discarded MOs.

quicksilver

Fri Jun 13 2008, 03:20PM

Registered Member #1408 Joined: Fri Mar 21 2008, 03:49PM
Location: Oracle, AZ
Posts: 679

I have close to 40 MOCs & a ridiculous amount of MOTs as well as a shed of parts that I gathered over the course of 2 months + .
I have a little trick that I'll share with you. Make a list of sources of HV materials. A list of items that USE the stuff you want. I would go into town and find a group of smaller TV / electronic-type repair stores and simply ask. They generally have little use for MVO and will generally give them to you. Occasionally you'll find a "winner" of a shop that's been in business for a LONG time and has some fantastic items (just have a list handy of what you really want) and slip them some cash. I have some monstrous HV goods that provide a challenge of identification but getting them had been little problem. If you are a youngster the chances of getting them for free are even better than doing this as an adult! I am debating on whether to invest in one situation where the gentleman wants to sell some TO-3 transistors all brand new and of a very usable design (2N3773) for a very reasonable amount but the numbers are staggering and the local Engineering Dept. at the University may chip in.

One place saved the chassis of OLD TVs for me with some flybacks that were really unique. You can get VERY fast at de-soldering and wind up with collections of parts that would cost hundreds of dollars if bought separately. Some of the stuff is simply unavailable anymore UNLESS you look. (Like HV tube designs or transformers that look like they were designed for arc welders but are NOT.....they are dual coil HV things from the 1950's!). Then identification becomes the challenge!

Another thing is to find the yard that the local electric company uses to hold their old pole utilities (there are often TWO yards; the "official" one and the storage or junk yard....that's the prize!). That stuff can be free if you cart it off but there is no guarantee that the pigs will work: they sell the stuff that they know is new or nearly so. But insulators are generally free and two or three pigs can fit in a truck (my wife would scream if I did that however). If you start in on acquiring this stuff, it soon will become easier and easier!

Airplane grave yards have radar stuff & MUCH more, copier & printer companies have enormous sources of HV material but you have to do some surgery. My trick was to make a list of the sources of HV materials at their source use - then find the companies that utilize them and simply ask. With NEWER TVs the size of the CRT is NOT an indication of the HV materials. Look for older stuff. There are some environmental laws that affect the disposal of some materials (x-ray, etc) but if you are polite and really do tear it down and dispose of the stuff ethically; it is doing someone a favour and they'll keep being a source.

No exaggeration, I wound up with 9 computer monitors (some very old) that yielded some of the most unique flybacks imaginable. All free & took only a afternoon to acquire and deal with / sort, etc. Getting the stuff has not been the hard part, transportation (in these high gas prices) & storage has always been the challenge!

ArcLight

Fri Jun 13 2008, 09:54PM

Registered Member #341 Joined: Thu Mar 23 2006, 07:41PM
Location: Northern Illinois, USA
Posts: 69

Patriot,

I meant to post this sooner, but time got away. Thank you much for the heads-up.

Regards, Arclight

Shaun

Thu Jun 19 2008, 03:50PM

Registered Member #690 Joined: Tue May 08 2007, 03:47AM
Location: New Jersey, USA
Posts: 616

My 3 aerovox capacitors arrived today. They pack quite a punch! Just one can explode 22 gauge wire and crush cans! I plan on using all three in an induction ring launcher. Thanks Steve!

Steve Ward

Fri Jun 20 2008, 06:45AM

Registered Member #146 Joined: Sun Feb 12 2006, 04:21AM
Location: Austin Tx
Posts: 1055

Oh good

. I hope they hold up well for you, try not to over charge them!

Patriot

Sun Jun 22 2008, 04:33PM

Registered Member #1507 Joined: Tue May 27 2008, 04:05PM
Location: el paso, texas
Posts: 39

Steve,

Just got the caps in the mail yesterday, thanks for the fast shipping.

teslacoolguy

Sun Jun 29 2008, 04:01AM

Registered Member #1107 Joined: Thu Nov 08 2007, 10:09PM
Location:
Posts: 792

I am getting a little concerned because mine havent arrived yet. I am thinking that maybe the ups thought they were something other than capacitors and they dont want to ship them.

Edit: Never mind about what i sead above because i got them today

. They are in excellent condition and very well packed.

Steve Ward

Mon Jul 07 2008, 02:27AM

Registered Member #146 Joined: Sun Feb 12 2006, 04:21AM
Location: Austin Tx
Posts: 1055

Glad your caps got there... im always a little nervous that they will lose my packages.

Arcstarter

Sat Jun 13 2009, 02:43AM

Registered Member #1225 Joined: Sat Jan 12 2008, 01:24AM
Location: Beaumont, Texas, USA
Posts: 2253

Hey, i know that it has been quite a long time but i was wondering if you or Quicksilver (or anyone for that matter) had some MOC's for cheap? I am as always short on money, but i plan to attempt a small can crusher or ring launcher.

If you care to know, i would probably charge them to 8kv just as Steve did not suggest (:P) and put them in a box made of 5/8 inch 5-ply plywood with vent holes (i am sure these won't last too long). That is why i want to buy them cheap, just some old MOC's nobody loves anymore.

I would prefer to pay money order, but if necessary i can try to convince someone to allow me to use PayPal. I can also trade various bits and pieces, or a mix of both :P. Not sure what i have that anyone might need, just ask.

Thanks!

Dr. Drone

Sun Jun 14 2009, 05:27AM

Registered Member #290 Joined: Mon Mar 06 2006, 08:24PM
Location:
Posts: 1673

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