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Small Tesla Coil using disposable camera transformers

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LAN_403

Ultra7

Fri Feb 15 2008, 05:11PM

Registered Member #1157 Joined: Thu Dec 06 2007, 12:11PM
Location: Houston, TX
Posts: 307

Wow, I wanna build one.
You got a parts list and Schematic?

flannelhead

Sat Feb 16 2008, 12:30PM

Registered Member #952 Joined: Mon Aug 13 2007, 11:07AM
Location: Finland
Posts: 388

Well the parts are really easy to get:
There are two disposable camera transformers with their inverter circuits. Then there is a 6-stage CW multiplier with a limiting resistor (IIRC it was 1M). Then the standard sgtc parts (cap, spark gap, sec and pri coil)

Urgentemente

Sat Mar 08 2008, 05:42PM

Registered Member #1380 Joined: Thu Mar 06 2008, 06:49PM
Location: Liverpool,UK
Posts: 4

As a complete beginner having wanted to build a TC for a long time I'd love to start with something small like this, any chance you could post up a list of the specific parts (like what you used in the CW multiplier) and maybe a circuit diagram and a bit of a 'guide' to building it, what sort of wire, how many turns for the primary and secondary coils etc

sorry if that's tedious, but would love to have a go at building one of these !

CompWiz

Sat Mar 08 2008, 11:16PM

Registered Member #1038 Joined: Mon Oct 01 2007, 08:02PM
Location:
Posts: 96

I was just at walmart and I asked there photo place for there used disposable cameras (they had a huge bin of them!)

but they said no...(yet another reason to hate walmart...)

but anyway this looks like a fun little project!

flannelhead

Mon Mar 10 2008, 01:29PM

Registered Member #952 Joined: Mon Aug 13 2007, 11:07AM
Location: Finland
Posts: 388

Urgentemente wrote ...

As a complete beginner having wanted to build a TC for a long time I'd love to start with something small like this, any chance you could post up a list of the specific parts (like what you used in the CW multiplier) and maybe a circuit diagram and a bit of a 'guide' to building it, what sort of wire, how many turns for the primary and secondary coils etc

sorry if that's tedious, but would love to have a go at building one of these !

Glad to hear you like it. Now I have a comprehensive tutorial for this coil in progress

CompWiz wrote ...

I was just at walmart and I asked there photo place for there used disposable cameras (they had a huge bin of them!)

but they said no...(yet another reason to hate walmart...)

but anyway this looks like a fun little project!

Go to a camera shop and ask nicely enough (or use the m4g1c w0rd "student"). You should be able to get some of them (I got twenty of them once

now they know me quite well in the camera shop)

Urgentemente

Mon Mar 10 2008, 11:22PM

Registered Member #1380 Joined: Thu Mar 06 2008, 06:49PM
Location: Liverpool,UK
Posts: 4

[quote]
Glad to hear you like it. Now I have a comprehensive tutorial for this coil in progress

[/quote]

Excellent spark, I look forward to it, seems like a great way to start out !

flannelhead

Tue Mar 11 2008, 01:02PM

Registered Member #952 Joined: Mon Aug 13 2007, 11:07AM
Location: Finland
Posts: 388

Urgentemente wrote ...

Excellent spark, I look forward to it, seems like a great way to start out !

Hehe

Don't except too much from this coil. Althogh with good tuning and many transformers you can get some better results. I didn't tune my coil too well.

Maybe why beginners prefer design like this is that they don't like to deal with anything dangerous.

Urgentemente

Tue Mar 11 2008, 04:12PM

Registered Member #1380 Joined: Thu Mar 06 2008, 06:49PM
Location: Liverpool,UK
Posts: 4

Don't worry, I'm not expecting wrath of <insert major deity here> style lightning bolts, just something to start out with, get to grips with building (although I've read through the theory a bit I think it's going to make more sense when actually constructing the thing at the same time.), and yes, I think it's a bit less daunting to start with if it's not going to be throwing 12" long sparks my way

flannelhead

Tue Mar 25 2008, 03:20PM

Registered Member #952 Joined: Mon Aug 13 2007, 11:07AM
Location: Finland
Posts: 388

Now the tutorial is ready. Sorry it took a bit long

Just didn't have time to make it.

Hopefully you understand the tutorial! I don't have any real pics (sorry for my Paint artwork)

Bjorn can think is it suitable for the wiki or not.

Urgentemente

Wed Mar 26 2008, 12:47AM

Registered Member #1380 Joined: Thu Mar 06 2008, 06:49PM
Location: Liverpool,UK
Posts: 4

Nice one spark, I was just showing this page today to someone at work (he's soon to be doing a HV course for our workplace, lucky sod!).
I've downloaded the tutorial, and will be having a read through it over the next few days when I get some time to think straight!
thanks for preparing it.

EDIT:
Just read it, nice and short and seems easy enough to follow, I'll have to start getting the bits together to try building it.

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