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11/02/2010

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Tom

A saw the same three pack at Costco. Are they very bright?

I would caution you against using zip ties on your helmet. Anything that's hanging off your helmet should be able to break away if you'd ever have a fall. If not they may catch on something and put stress on your neck. A good hack for the helmet would be some of those velcro straps used for computer cable management.

Cafn8.blogspot.com

I've been using the same flashlights on my commuter since last spring. Mine are lashed to the underside of the handlebars with innertube bands. I would say that they make pretty good bike lights, but with one main limitation. That is battery life. On high power, a set of 3 AAA cells lasts less than 2 hours. I've been using them on "low" and "flash" mode most of the time, which prolongs the life considerably. they are still bright enough for "be seen" lights on low, and in darker areas without much oncoming traffic they are able to serve as "to see" lights on low with the option of switching to high.

The light output of these flashlights is quite good, especially given the price. (Mine were about fifteen bucks for a two pack) The optics are not the best, but the output seems to make up for that. The beam has a fuzzy, relatively round hot spot at the center and a lot of side spill, which likely helps with visibility for oncoming traffic. The flashing pattern is fast, bright and attention-getting. At some point I hope to convert them to run on an external rechargeable SLA battery, which should be a very good setup for a very low price. I'll keep you updated if/when I do the conversion.

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