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Forums
4hv.org :: Forums :: Tesla Coils
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Minibrute Construction Thread / FAQs

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Tom540
Mon Dec 08 2008, 05:18PM
Tom540 Banned on 3/17/2009.
Registered Member #487 Joined: Sun Jul 09 2006, 01:22AM
Location:
Posts: 617
 		That looks awesome. I like those copper inserts you have. It amazes me how you guys make your primary supports like that and manage to push that copper through those holes. Ive never tried it with plastic supports but on wood its impossible. I always have to cut the holes out and snap the copper in instead.
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d20180
Mon Dec 08 2008, 08:05PM
d20180 Registered Member #1828 Joined: Sat Nov 29 2008, 03:00PM
Location:
Posts: 55
 		Thanks

Windex really helps feeding the copper
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d20180
Mon Dec 08 2008, 08:54PM
d20180 Registered Member #1828 Joined: Sat Nov 29 2008, 03:00PM
Location:
Posts: 55
 		Is telephone wire ok for the T1,T21, Temp, and HVSAMPLE connections?
1228769648 1828 FT36701 Kif 3548
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lbenson
Mon Feb 23 2009, 05:04AM
lbenson Registered Member #1756 Joined: Tue Oct 14 2008, 07:12AM
Location:
Posts: 32
 		Would making an oil filled secondary coil for my MiniBRUTE have any ill effects?

also. would there be anything wrong with insulating the primary winding with some plastic tubing, like from lowes?

finally, what would be the best way to power the leds for the supports. i know dan suggested a battery, but i would to be able to leave the lights on even when its not running, for aesthetics. And what would be the best wiring topology of these 2? A or B and would it be better in series or parallel? or would a star topology be better?
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lbenson
Mon Feb 23 2009, 05:07AM
lbenson Registered Member #1756 Joined: Tue Oct 14 2008, 07:12AM
Location:
Posts: 32
 		Heres the A and B i was referring to
A

B
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Tribologist
Sat Apr 11 2009, 03:42AM
Tribologist Registered Member #1879 Joined: Mon Dec 22 2008, 04:11AM
Location:
Posts: 40
 		My Minibrute is messing with my mind. First time I put it together it ran like charm, took minor tuning to make it resonance just fine.

I had it apart for some time and just put it back together and I cant make teh controller board behave.

I checked the tuning of the primary and sec and I tuned it with the scope and a signal gen to about 240kHz.

When I am running it it lock in at about 470Khz, then the bridge turn of it rings out at 1.6MHz.

The green trace is the output voltage of the half bridge and the yellow is from a 1:100 CT with a 1Ohm load.

Any idea why it does not lock in at the240kHz?

Ulf
Joy
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HV Enthusiast
Mon Apr 13 2009, 03:35PM
HV Enthusiast Registered Member #15 Joined: Thu Feb 02 2006, 01:11PM
Location:
Posts: 3068
 		something definitely doesn't look right there.
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lhl_henrylui
Fri Apr 17 2009, 02:21PM
lhl_henrylui Registered Member #1498 Joined: Thu May 22 2008, 07:08AM
Location: Hong Kong
Posts: 72
 		what's a minibrute?
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HV Enthusiast
Mon Apr 20 2009, 11:41AM
HV Enthusiast Registered Member #15 Joined: Thu Feb 02 2006, 01:11PM
Location:
Posts: 3068
lhl_henrylui wrote ...

what's a minibrute?

Its a mini-sized DRSSTC solid state Tesla coil that packs a huge punch!

See Link2
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Austin
Wed Apr 22 2009, 03:52AM
Austin Registered Member #1169 Joined: Wed Dec 12 2007, 09:16AM
Location: Portland OR
Posts: 251
 		glad to see this thread as a sticky! I think Daniel is doing a great job keeping up with all the new questions. =)
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