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05-12-08 | 12:53 PM

#2

cyccommute

Mad bike riding scientist

Joined: Nov 2004

Posts: 29,144

Likes: 6,202

From: Denver, CO

Bikes: Some silver ones, a red one, a black and orange one, and a few titanium ones

Quote:

Originally Posted by bobn

I am confused about the various bulb applications regarding flashlights and bike headlights using standard batteries.
If you take a two cell DD flashlight and swapped out the bulb which would be the brightest? Incandescent--Krypton--led or halogen.
I want to upgrade the bulb in my vintage headlight. There are krypton bulbs with screw bases which would make life easier than a socket conversion. I wonder if they are any brighter than the standard PR2 bulb? Any ideas?

For this application, I doubt that there would be a noticeable difference. Any 3 volt light is going to be very weak. I don't think you can even get a LED conversion for screw-in base and the plug-in base ones aren't really anything to write home about.

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Dreamin' of Bemidji Down the Mississippi (in part)
Plan Epsilon Around Lake Michigan in the era of Covid
Gold Fever Three days of dirt in Colorado
Pokin' around the Poconos A cold ride around Lake Erie
Dinosaurs in Colorado A mountain bike guide to the Purgatory Canyon dinosaur trackway
Solo Without Pie. The search for pie in the Midwest.
Picking the Scablands. Washington and Oregon, 2005. Pie and spiders on the Columbia River!

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