| Electronics > Beginners |
| Salvaging |
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| Jwillis:
Awesome ideas! I'm also working on similar projects myself.That tesla coil, as you probably already know ,uses the slayer driver.There are variations that are equally good .If you have questions don't hesitate to ask .http://deepfriedneon.com is good site which can help calculate winding's ,oscilators and other things .Check it out.https://www.electroboom.com/?p=521 is another good site for understanding the slayer exciter circuit. The Jacobs ladder I've not tried yet.Guess I'm just not that brave yet. It's a good thing to take safety seriously.My intention in my previous comment was not to discourage or scare you but to inform.As you become more comfortable with things it becomes easier and more fun if you have a good attitude about safe procedures. Coming from experience in the petroleum industry ,I've seen far to many people carted off in ambulances because they "thought" they knew what they were doing and didn't follow proper safe procedures. I congratulate you keeping yourself informed about possible hazards. Have fun and cheers |
| Pirateguy:
high voltage is not to be taken lightly. as for bravery and jacob's ladders, i find that turning it on and off at the power supply allows you to stay well away from the business end of it. and check out what i use for it: https://www.ebay.nl/itm/High-Voltage-Pulse-Generator-Inverter-Module-Super-Arc-Pulse-Ignition-Coil-DH/362195494965?ssPageName=STRK%3AMEBIDX%3AIT&var=631407328312&_trksid=p2057872.m2749.l2649 this cute little module looks like one of those stun gun modules, but as it happens does not have the cap in it, so works for the ladder. and: https://www.ebay.nl/itm/High-Voltage-Pulse-Generator-Inverter-Module-Super-Arc-Pulse-Ignition-Coil-DH/362195494965?ssPageName=STRK%3AMEBIDX%3AIT&var=631407328312&_trksid=p2057872.m2749.l2649 this adorable little kit seems to work slightly better even though it is rated lower. imo those numbers on ebay listings are a 'rough estimate' at best. going by the arc distance though they both seem to be in the ballpark. low amp though, seems to be much safer then the larger ones made with the TV flyback transformers. |
| FlyingHacker:
Also keep in mind that anything with an arc, like a Jacob’s ladder produces tons of broad spectrum radio interference. Please do expect to run something like this frequently, as it will drive any radio operators crazy, and is likely illegal (harmful interference) in many countries. Fine to experiment, but this is not a leave-it-on-all-the-time piece of “artwork.” You May find it even interferes with your own RF based devices (cell phone, garage door opener, dog collar, etc.) |
| CatalinaWOW:
As stated by others, it depends on what you want. Also the era of the gear you are reclaiming from. 40s-60s - Vacuum tubes, sockets, terminal strips, fuze holders, mica capacitors, variable caps, if-coils, pots, switches, transformers, indicator lamps, neon bulbs. Resistors and other types of capacitors generally aren't worth retrieving. 60s-70s - Discrete transistors, capacitors, resistors, heat sinks, transformers, resonators, pots, switches... 80s-on - SMD resistors, ICs, connectors. None of these things is going to resell well (except possibly the vacuum tube stuff because collectors), but they can fuel a wide variety of projects and learning opportunities. |
| james_s:
Probably not a lot of vacuum tube gear is going to come up for salvaging, and if it does it is almost certainly worth more intact than as parts. |
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