h a l f b a k e r yAssume a hemispherical cow.
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A wristwatch is one of the most efficient mechanical marvels that I know.
Let's change that and build a large and powerful engine, revving at incredible speed, preferably with twin turbos; variable valve control; air injection and twin overhead cam, which is geared down to drive a set of hands.
Simply
by filling up the tank, several times per day, it keeps reasonably good time.
Beside it is a cheap Casio digital watch as a reference.
Steam Clock
http://www.youtube....watch?v=75sl0FVTOFA
[Amos Kito, May 25 2008]
Most powerful diesel engine
http://people.bath.ac.uk/ccsshb/12cyl/
108,920 HP! [Voice, May 26 2008]
[link]
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I am assuming that the clock is designed to be read through a telescope from Mars, just so the little green men know when we are asleep? It makes it easier to attack when no-one is awake. |
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+ for sheer crazy factor. But only if the said 800hp engine is a modern V8 with only a resonator either side for an exhaust. |
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I think I'd prefer a hydroelectric clepsydra. |
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But what kind of E.T.s could this clock run? |
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//I think I'd prefer a hydroelectric clepsydra//
It'd take a course of strong antibiotics to clear it up,though. Or yoghurt. |
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How about a very-much geared down gas turbine ? |
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I suggest you move this to category: clock: wristwatch: combination. |
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800hp isn't enough. Add a dozen transmissions and a precise timing device to a ship's diesel engine... |
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Nice. It stands to reason, that, for a reasonably sized clock face, almost all of the power (800BHP, some 600 kilowatts or so) will be consumed by friction in the gearbox. That's a lot. This thing'll be 90% oil cooler, 8% gearbox, and 2% engine. |
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