> SOmeone gave me a Faraday Light which is > a white LED flashlight that's waterproof (and it is) and uses a magnet > through a coil to generate & store enough charge to run the LED. Nice & > bright though I don't know how distant it may be visible. It has to be ready at all times. Imagine it going out exactly when you need it, or shaking it while trying to stay upright at the same time. With alcaline batteries it will be ready at all times - just replace batteries once in 12-18 months if you don't use it. > Another is something called a C-light which is mostly an ordinary > flashlight with an extended lens so if held vertically it has a 360 degree > view. I've seen them in the LLBean and EMS catalogs & stores in this area. This isn't a signaling flashilgt. It's more like a beacon. I'm wearing it at the back of my hat occasionally (sewed an elastic webbing for that purpose). Not too bright, and due to a regular incandescent bulb it lasts merely few hours. Regular bulb is more prone to failure too - compared to LED bulb. You can get either a very bright flashlight with halogen bulb (like Tech 40) - it will last a few hours. Or you can get a LED 4AA version a power from 1 to 3 watt and battery life dozens of hours, like PT Impact II or Impact XL; http://www.princetontec.com/products/index.php?id=20&type=0&use=2 http://www.princetontec.com/products/index.php?id=21&type=0&use=2 It depends on how often you are going to use it and how far you want it to shoot. I don't know whether there is much difference between Impact II (75 hrs) and its more powerful version - Impact XL (50 hrs)- I have the very first version of Impact II, with focusing lens - not bright enough for a searchlight, and this isn''t a searchlight, yet very narrow beam, shooting farther than stated 28m. Unlike regular incandescent bulbs (and I believe, xenon and halogen too) that drop both the output and visible spectrum when battery is near empty (shifting the light into invisible infrared band, i.e. heat), LED in PT II is wired so that it just becomes dimmer and dimmer, in the same white spectrum, and remains usable well beyond the point when incandescent bulb becomes useless. Impact II with battery near empty will hardly work as a signaling light, but will still work for some shore or cockpit tasks. *************************************************************************** PaddleWise Paddling Mailing List - Any opinions or suggestions expressed here are solely those of the writer(s). You must assume the entire responsibility for reliance upon them. All postings copyright the author. Submissions: PaddleWise_at_PaddleWise.net Subscriptions: PaddleWise-request_at_PaddleWise.net Website: http://www.paddlewise.net/ ***************************************************************************Received on Sat Jun 30 2007 - 00:42:39 PDT
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