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8Kva Quad 833C VTTC

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Finn Hammer

Thu Jul 12 2007, 08:03PM

Registered Member #205 Joined: Sat Feb 18 2006, 11:59AM
Location: SkÃ¸rping, Denmark
Posts: 741

Christopher Miles wrote ...

So what I have been doing is sitting outside by the goldfish pond and torching a little at a time and dropping the plexy in the pond to cool down as plexy holds heat a long time. Once the plexy cools, I dry off and continue to torch more edges.

Rgs,
Christopher

Oh my god!

I don`t hope any goldfish were harmed during the production of your coils!

Cheers, Finn Hammer

ragnar

Thu Jul 12 2007, 09:27PM

Registered Member #63 Joined: Thu Feb 09 2006, 06:18AM
Location:
Posts: 1425

Christopher Miles wrote ...

And how do you etch threads in plexiglass? That is impossible. Do you apply weld-on glue or CH2Cl2 on screws?
[/quote1184268849]

You can drill and tap plexy if you are very cautious. The key here is to go slow and not heat the tap or plexy. I use WD-40 as a lube. First drill the hole under the size of the tap required. Then soak the hole with lube and tap a little and then remove the tap and clean all the plexy off. Then tap a little deeper and continue to remove tap and clean. It took about a week to tap the holes but in no hurry, as want the coil to look sweet. I get almost more enjoyment on building then running the coils.

I've found with a good quality tap, I hardly ever get cracking or spalling of the plexiglass. You have to be more and more careful if you're tapping deep holes, though, and use some proper cutting compound or WD-40.

There are critical differences in design (and even more critical differences in material) between those $2 Taiwanese taps, and taps made in a reputable country with five times the price tag -- it makes all the difference.

Dr. Drone

Thu Jul 12 2007, 10:23PM

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

Ken M.

Thu Jul 12 2007, 10:30PM

Registered Member #618 Joined: Sat Mar 31 2007, 04:15AM
Location: Us-Great Lakes
Posts: 628

Yet, again you hold the reputation of Plexi glass god! The layout, and craftsmanship of the base is fantastic looking. You may have pointed it out and I just missed it or you didn't mention it at all, but will the secondary be on top of the base or will you or have you extended the base to have the secondary sit beside the tubes? Hell if you wanted you could offer to make your amazing bases for a price, especially since you enjoy doing it.

Thu Jul 12 2007, 11:03PM

Registered Member #809 Joined: Wed May 30 2007, 08:59AM
Location: Melbourne, victoria
Posts: 114

WOOAH, great work!! i wish i had the supplies to build something like that!! i too enjoy making things more than running them, but this i want to see!!!!

Bennem

Fri Jul 13 2007, 05:50AM

Registered Member #154 Joined: Sun Feb 12 2006, 04:28PM
Location: Westmidlands, UK
Posts: 260

Wow Wow Wow!!.....and another thing....Wow!!!

That sure is one great looking construction!
The time, patience and effort put into it!!
I too enjoy construction possibly more than
seeing the working of a coil.
But i'm so looking forward to seeing pics of this baby working!
All the best Chris.

Mel.

dingo27

Fri Jul 13 2007, 06:48PM

Registered Member #890 Joined: Tue Jul 10 2007, 10:06PM
Location: Slovakia
Posts: 180

Well, i use normal, cheap (cheapest ... :) ) drills to cut plexi, but for cutting plexi with nice edges i use a special - mine developed tool. Put the battery metal off, knock it to nice flat piece of metal, cut it to to the round with hole in center, insert m3 screw into this, and you have little "saw". I use it with hand_driller (or how it is named) and i manage to cut nice line . I can also split a 2 mm plexi in a half :) with it. The little problem is heating, but it dont matter, because edges are getting cool in a second and with nice edges. If you have problem with speed, use knife to do some "tooths" on it - it will performance it.

Dr. Drone

Fri Jul 13 2007, 07:25PM

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

J. Aaron Holmes

Fri Jul 13 2007, 08:02PM

Registered Member #477 Joined: Tue Jun 20 2006, 11:51PM
Location: Seattle, WA
Posts: 546

Christopher Miles wrote ...

Henry had a suggestion for the name of this coil: "Tubezilla (The Big Dog of VTTC Tesla Coils)" Hmmmmmmmmmmmmmmm I like it. The official name will be: Tubezilla.

Wait, wait! ... How about "Rocky Valvoa"

Cheers,
Aaron, N7OE

Steve Conner

Fri Jul 13 2007, 10:16PM

Registered Member #30 Joined: Fri Feb 03 2006, 10:52AM
Location: Glasgow, Scotland
Posts: 6706

Triodosaurus Rex.

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