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Re: more newbie questions
Original poster: "Jim Lux by way of Terry Fritz <teslalist-at-qwest-dot-net>" <jimlux-at-earthlink-dot-net>
At 08:15 AM 1/3/2003 -0700, you wrote:
>Original poster: "james brady by way of Terry Fritz <teslalist-at-qwest-dot-net>"
>Why did Tesla make a coil in the first place? I wonder how he figured out
>how to do all of this stuff in the 1800's, he must have been really
>freaking smart. What was it that he was trying to accomplish? Other than
>just the fun of making one, is there any pracitical purpose?
Late 1800's to early 1900's. Yep, Tesla was a smart man. And, had a good
flair for publicity as well. As to why, he had some ideas on power
transmission, among other things.
>I was wandering if I could make a capacitor using 1 gallon glass pickle
>jars. Since my wife is pregnant, I have a lot of them laying around and I
>have been trying to find a use for them. If I can use them, how do you
>figure out the capacitance?
Two ways: 1) calculate approximately.... figure out the surface area and
the thickness of the glass and use the standard capacitance
formulae. You'll probably be within 20%
2) Get a multimeter that measures capacitance, build one, and try it.
The big disadvantage I could see of pickle jars is their size and weight
(when full of saltwater), however it's hard to beat free...
>Why do I have to use a neon sighn transformer? How come you can't use a
>transformer from something else?
YOu need something that puts out at least 8-10 kV. Other sources are Oil
Burner Ignition Transformers (OBIT), series combinations of Microwave Oven
transformers (a bit high power for a first coil), auto ignition coils,
etc. I'd venture to say that just about every possible kind of transformer
has been tried, and a lot of them work. The advantage of the NST is that
it works, easily, so that's one less hassle in the process. You should be
able to scrounge one up.
>Also, I noticed that in Spencer's, that they sell something that likes
>like a Telsa coil with a glass globe covering the whole thing. I am sure
>that people know what I am talking about. So, is this a Tesla coil?
>then decided to do something for real, so I decided to get into the
>computer field. Actually, I had been doing computers since 1983/84. My
>first computer was a TI-49a. I thought that was the best thing that there
>ever was. Anyway, I have been a network admin for several years and the
>current company that I am working for sells pagers and cell phones, so I
>have to do component level repairs. We use a frequency generator to tune
>pager oscillators to the correct frequency. I have my
>MCSE,CCNA,CNA,NET+,A+ and a bunch of other junk certifications. I noticed
>that most people in the computer field know little about electronics,