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Re: [TCML] Ultra-high speed movie of lightning arc channel formation



I built a high-speed digital camera like this as a project, and while it's probably not as fast as the camera they used, I may be able to shoot something interesting. It basically records a constant 80 megapixels per second, so you can trade resolution for speed, eg. 640x480 247fps, 320x240 940fps. I doubt it's possible to see streamer prorogation, at least at any meaningful resolution, but I'm sure the video would still be interesting.

Seeing streamer prorogation would probably require a rotary mirror film camera, those can record millions of frames per second, although only for ~100 frames.

I'm currently getting my Tesla coil up and running again, I'll be sure to get some videos once it's running.


David Kronstein


Bert Pool wrote:

This is pretty amazing ultra-high speed video shot of some lightning strikes:

http://gizmodo.com/5034458/slow-motion-lightning-video-is-mindblowing-will-sell-a-thousand-slo+mo-cameras

I have to wonder if such a shot of a big Tesla coil arc into free air would exactly duplicate the arc channel formation, or how might it differ?

Does anyone on this list have "loan" access to one of these type cameras?

Bert Pool

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