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High-Speed destruction : Wire ring shrinking

This was a ring of 1.5mm tinned-copper wire, placed inside the coil and held down by a perspex sheet to prevent upward movement.

ring_shrink_4kfps.m1v (600K) 4000 frames/sec

wpeCD.jpg (7109 bytes)

Dark band from interference to camera, slight movement visible
wpeCE.jpg (7223 bytes)

250uS later, motion well under way
wpeCF.jpg (7002 bytes)

After 500uS, nearly in final shape
wpeD0.jpg (7064 bytes)

wpeD1.jpg (7041 bytes)

wpeD2.jpg (6991 bytes)


A couple of short sequences shot at 6000 frames/sec, the first showing either an arc as the ring breaks, or sparking across a partially shorted turn.

wpeD3.jpg (2307 bytes)
wpeD4.jpg (2358 bytes)
wpeD5.jpg (2385 bytes)
wpeD8.jpg (2377 bytes)
wpeD9.jpg (2315 bytes)

wpeDA.jpg (2280 bytes)
wpeDC.jpg (2233 bytes)
wpeDD.jpg (2286 bytes)
wpeDF.jpg (2287 bytes)
wpeE0.jpg (2266 bytes)
wpeE1.jpg (2267 bytes)


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