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Post by the light works on Dec 29, 2013 22:34:22 GMT
And electromagnetic 'lock' that is contained entirely in the centre of the head might work. Power cables would therefore pass through the centre and not need to rotate. Turn the power off and the lock would release the blades - or alternatively a similar system could work to release the entire head. They'd probably want some extra safety here, in which case the system could be reversed to have bolts holding the blades/head in place, and which are pulled back to release the blades or head when the electromagnet is powered up. **** Note; I was kind of hoping for the more spectacular types of garden mythhaps, such as the one posted above or setting fire to the garden and so on. The sort of things that make for good visuals and which you REALLY couldn't test safely at home or wouldn't see on a gardening show. I think it is not quite that simple. A separate blade test would be pretty easy - they could just use an air gun to shoot them at the test subject. however, for the entire head, you have to have a pretty positive hold on it to spin it up, and then get a clean release. I'm wondering if a clamp type system might work for it. you could clamp the blade between a drive disc and an idler disc to spin it up, and then separate the discs to release it. That would allow them to place the rig on a system that could release it at any angle, or even throw it.
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