That included a custom enclosure and variable speed rotating platform have been sourced.

ENGADGET

"He wrapped a piece of emery cloth around the work piece, rotating at high speed, whilst leaving a single glove on one hand, " he said.

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Zamperla's Giant Discovery reaches a speed of 110kph (70mph), rotating its riders and swinging like a pendulum to suspend them upside down 45 metres above the ground.

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Taking this traditional idea of using air friction and refining it to control the speed of automatic winding, Urwerk has replaced the traditional rotating mechanisms of the past with miniature twin turbines that can be seen spinning on the back of the watch and are connected to the rotor.

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