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4hv.org :: Forums :: Tesla Coils
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Anyone have a good tesla coil calculator that works for 90 degrees primaries?

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803
Tue Oct 05 2010, 01:16AM Print
803 Registered Member #2807 Joined: Fri Apr 16 2010, 08:10PM
Location:
Posts: 191
I want one that is like JAVETC, in that it runs a program, but jtc doesn't let me have a cylinder primary, only up to cone.

PAul
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Adam Munich
Tue Oct 05 2010, 03:05AM
Adam Munich Registered Member #2893 Joined: Tue Jun 01 2010, 09:25PM
Location: Cali-forn. i. a.
Posts: 2242
Why would you want a cylinder primary in the first place? Overcoupling tends to be a big issue with those. And sorry, I don't know of any programs.
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Herr Zapp
Tue Oct 05 2010, 05:53AM
Herr Zapp Registered Member #480 Joined: Thu Jul 06 2006, 07:08PM
Location: North America
Posts: 644
803 -

It's not clear what you are asking for. Is it possible that you are not using JAVATC correctly?

JAVATC will let you define your primary geometry as a cylinder (solenoid) or as a flat spiral, or anything in between. Just input the radii and the height of the top and bottom of the primary, and you can create any geometry you want. JAVATC even generates an illustration of the primary and secondary coils, correctly proportioned.

Herr Zapp
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HV Enthusiast
Tue Oct 05 2010, 04:56PM
HV Enthusiast Registered Member #15 Joined: Thu Feb 02 2006, 01:11PM
Location:
Posts: 3068
Yes. Sounds like you aren't doing something right.

Firstly, i think you need to determine what you are looking for. Pancake primary or solenoid primary?

JAVETC will do both.

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803
Tue Oct 05 2010, 10:33PM
803 Registered Member #2807 Joined: Fri Apr 16 2010, 08:10PM
Location:
Posts: 191
solenoid primary

I don't get 1 height, 2 height, etc
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Herr Zapp
Wed Oct 06 2010, 02:29AM
Herr Zapp Registered Member #480 Joined: Thu Jul 06 2006, 07:08PM
Location: North America
Posts: 644
803 -

Pretty simple ......... Radius 1 (LV end) is the radius of the inner turn of a flat spiral primary, or the radius of the lowest turn of a cylindrical primary.

Radius 2 is the radius of the outer turn of a flat spiral primary, or the radius of the highest turn of a cylindrical primary.

Height 1 (LV end) is the height (above the ground reference plane) of the inner turn of a flat spiral primary, or the bottom turn of a cylindrical primary. Height 2 (HV end) is the height above the ground reference plane of the outer turn of a flat primary, or the height of the highest turn of a cylindrical primary coil.

Obviously, Height 1 and Height 2 will be the same value for a flat spiral.

The same convention is used to define the orientation and angle of a conical primary.

By the way, you never posted any photos of your single 803 powered VTTC, or the 16" arcs that it was going to generate. How did that turn out?

Herr Zapp
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803
Wed Oct 06 2010, 09:06PM
803 Registered Member #2807 Joined: Fri Apr 16 2010, 08:10PM
Location:
Posts: 191
I build it, it worked, it died, and I'm working on it right now, just you wait! cheesey


I'm mostly a radio man these days, so........

Thanks, Mr. Zapp

BTW are you german?
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