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Why not use a strobe light ? |
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Many ceiling fans have a light fitting below the motor annulus. It would be simple to put a strobe light on the upper side of the light fitting, so that it plays onto the blades; this would have the effect of making the blades appear to be stationary whatver their speed, as the flashes are triggered by a sensor on the motor analagous to a magneto on an engine (a magneto could actually be used). |
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Thus, when the fan is operating, the blades "aren't" moving; when the power is off, the strobe stops, thus when the blades apparently start to move, you know it's off. |
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Why no simply reach up with your pre-calibrated carrot on a stick and look at the blade impact readings? [+] |
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If you can't tell whether the fan is on medium or low speed,
then what is the point of its having medium and low speeds? |
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Keep pulling the chain until the blades pick up speed again. Then you know it's on high, and requires three more pulls. |
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your pre-calibrated carrot on a stick [marked-for-tagline] |
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//[MB] If you can't tell whether the fan is on medium or low speed, then what is the point of its having medium and low speeds// - If a ceiling fan falls in the woods does it make a noise? |
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just have 3 different colored LEDs indicate different speeds. Obviously, if none of the LEDs are on, the fan is switched off.g |
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Make it a two-stage pull switch. Short pull = index power setting. Long pull = turn off/on. |
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This is easily done with a mechanical switch arrangement, but could definitely be improved with carrot-onna-stick callibration. |
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Over-engineering is such fun isn't it. |
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2 thoughts: Create a fan with 3 little lights on the base around the pull cord. 3 lights on - top speed. 2 lights - medium. 1 light - low. All off is, well, off. No brainer. Thought #2. Change out the on/off wall switch for a Dimmer Switch. Adjust the speed as incrementally as you like. |
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We need these for 3-way light bulbs too. I always get greedy and turn the switch for more light; then it turns off. |
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[phundug] You bought one of those 'morality lesson' lightswitches - they'll teach you a brief moralistic lesson when they detect any contravention of their ethical and moral code (e.g. Greed, Lust, Sloth, etc.). |
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patience between pulls is such a problem. |
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