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Old 03-19-09, 12:27 PM
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Tom Bombadil
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Originally Posted by RepWI
Why is it that more and more automobiles will automatically turn their lights on when the key is turned? It might be so people see the car easier.

Why not headlights blinking on a bike during the day?
It would have to be a very bright bike headlight for most people to notice it during the day. A vehicle's low beams generate 1000-1200 lumens each. There are several good bike lights out there that produce 500+ lumens, but many are only around 100-150. A small 100 lumen light is not going to make one much more noticeable in daylight, even if it is blinking. If one has a nice, bright light, then it could help.
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