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Forums
4hv.org :: Forums :: Tesla Coils
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Tesla Xmas tree

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Tesladownunder
Tue Nov 20 2007, 04:09PM Print
Tesladownunder Registered Member #10 Joined: Thu Feb 02 2006, 09:45AM
Location: Bunbury, Australia
Posts: 1424
I have been working towards a Tesla Xmas tree project. Only 3 weeks before it has to be ready.
I had attempted to make a stylised star but it looked decidedly floral rather than astronomical so I have scrapped that technique.
I think I have the idea of how to proceed now. I would really like it to be 20 feet plus tall. This will be a 15 - 20 foot green branched tree with a 5 foot gold 5 pointed star on top made of sparks. I will be in the photo and also operating it.
I have had a number of designs that I have contemplated but the one I am settling on relies on the KISS principle - well relatively. Should be easier than the Red Alert setup.
I think this is now possible but there are a few structural problems to sort out. Despite the weight a rigid structure will probably be needed.
I need to get some green acrylic for the green filter.
Here is an early experiment of a less than full scale setup.
I am hopeful of a good result now. (Wasn't so sure before but still lots of planning/testing and fiddly details etc to come.

TDU



1195574830 10 FT0 Teslaxmasaframe
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Mates
Tue Nov 20 2007, 11:25PM
Mates Registered Member #1025 Joined: Sun Sept 23 2007, 07:53PM
Location: Czech Rep.
Posts: 566
Maybe somebody suggested it already before, but I have personal experience with putting plants on the top load. Some of them made very nice streamers from the tips of the leaves and it looked like very nice X-mass tree. I just tried to repeat it now with some home plants but this time it did not work well (my coil is too strong for such a small mass), but sending the pictures anyway…

Have you ever tried to put a small tree (or branch) on your top-load...(BTW:The tissue of the plant must be penetrated with some piece of wire which is in contact with the topload)

Here is a picture of what I mean, but as I said I had much nicer some time ago (I did not take any pictures that time unfortunately)

1195600766 1025 FT34595 Tucnice



1195600766 1025 FT34595 Falling Flower

Here the plant is falling down
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Tesladownunder
Tue Nov 20 2007, 11:54PM
Tesladownunder Registered Member #10 Joined: Thu Feb 02 2006, 09:45AM
Location: Bunbury, Australia
Posts: 1424
Mates wrote ...

Have you ever tried to put a small tree (or branch) on your top-load...(BTW:The tissue of the plant must be penetrated with some piece of wire which is in contact with the topload)...
The problem is that it is difficult to make the streamers go in the right place. Also any organic matter tends to burn immediately if near the streamers. I have a number of shots of my block of wood counterweight burning.
I think I have things planned so I can start testing some things this weekend.
TDU
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Firnagzen
Wed Nov 21 2007, 02:37AM
Firnagzen Registered Member #567 Joined: Tue Mar 06 2007, 10:55AM
Location: Singapore
Posts: 147
Hm. I have seen a decent picture of someone doing that to grass, let me see if I can find it.

Ah, here it is. Link2 Fourth down the page.
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Tesladownunder
Wed Nov 21 2007, 12:49PM
Tesladownunder Registered Member #10 Joined: Thu Feb 02 2006, 09:45AM
Location: Bunbury, Australia
Posts: 1424
My TC output down a wire touched the grass during the Red Alert shooting and there were instant flames which the kids thought were cool.
I can't do a Burning man in my yard in bushfire season suprised

Hopefully some prelim pics on the weekend of further testing.

TDU

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Mates
Wed Nov 21 2007, 11:06PM
Mates Registered Member #1025 Joined: Sun Sept 23 2007, 07:53PM
Location: Czech Rep.
Posts: 566
Hi TDU, I like the X-mass tree idea very much...

Its pity I have such bad camera (I can set max 0.5s exposition). In reality it looks 1000 times better...
Cheers


1195686272 1025 FT34595 Pict2992

1195686272 1025 FT34595 Pict2993
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Crow187
Wed Nov 21 2007, 11:28PM
Crow187 Registered Member #795 Joined: Mon May 21 2007, 06:04PM
Location: Bocholt, Germany
Posts: 35
Tomorow I'll make some tests for my own Xmas tree tesla. It will be a tree out of copper... Perhaps I'll post pictures tomorrow...

Lukas
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Tesladownunder
Fri Nov 23 2007, 02:41PM
Tesladownunder Registered Member #10 Joined: Thu Feb 02 2006, 09:45AM
Location: Bunbury, Australia
Posts: 1424
Some further work with a green filter. Here generating a 6 foot tall "tree". Needs to be 3 times the size. I have been sorting out some saturation and f-stop issues to reduce spark saturation.
TDU

1195828875 10 FT34595 Teslaxmasgreentree1
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Steve Conner
Fri Nov 23 2007, 02:50PM
Steve Conner Registered Member #30 Joined: Fri Feb 03 2006, 10:52AM
Location: Glasgow, Scotland
Posts: 6706
Haha, now that is really cool. I thought you were just going to use an actual Christmas tree and hook it up to your topload, not make sparks in the shape of a tree...
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Crow187
Fri Nov 23 2007, 05:55PM
Crow187 Registered Member #795 Joined: Mon May 21 2007, 06:04PM
Location: Bocholt, Germany
Posts: 35
jeah, that looks nice!!! My attemps to make tesla-Xmas-fotos were interrupted when I got a hit into the primary... The electronic seems to be fine. But I am on it and will post pictures, too! =)

Lukas
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