best light for these requirements

JohnR66

Flashlight Enthusiast
Joined
Aug 1, 2007
Messages
1,052
Location
SW Ohio
2 Ni-Mh AA cells (currently using Eneloops)
45 min to 1 hr runtime
very tight beam/long throw
High performance bulb (around 2 amps to achieve the requested runtime)
Thanks
 
A ~2.6V bulb pulling 2A.... I doubt such a creature exists, but I'd be interested also.

Any particular host?
 
If such a bulb existed, I'm sure someone would have discovered it for use with 1 CR123 primary... But actually, I can't help but wonder whether the easiest way to accomplish this might not be with a boost driver and some off-the-shelf ~5W bulb -- regulation could be a bonus!

Anyway, WRT throw, more throw requires a hotter filament and/or larger reflector. Since I assume you're looking at driving whatever bulb you use to the edge regardless, boosting throw is going to need a big reflector, so minimag mods need not apply. Probably a 26mm (p60-compatible) if not larger, so my question would be: Why 2xAA? You could put together a 2x17500 Li-ion / 3xCR123 primary light in practically the same form-factor, with better runtime and decent primary (3xCR123) performance, whereas the 2xAA is guaranteed to be disappointing on alkalines if you run out of NiMH.
 
Ok, how about this.

Lumens Factory HO-E1A bulb (1.15A @ 2.4V)

Using FM's E3 body (maybe with a tube to keep the cells from rattling): http://www.candlepowerforums.com/vb/showthread.php?t=217337

40 bulb lumens for two hours? The E2D head is known to throw pretty well....

Of course, the EO-E2R would give you nearly 4X the lumens and close to two hours of runtime on 18500 cells in the same body.
 
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Hmmm, it sounds like you guys are about about Incan, then Benson chimes it talking about LED's.

2.6x2 = 5.2 watts. Which would maybe be about the output of a stock 6D maglite. Hmm, Might not be too bad coming out a 2xAA.

I'm sure there is a reason why no one has made it. Probably cause most 2XAA flashlights would melt with that much power in them.
There aren't alot of hight end AA lights on the market. Usually once you start getting into those power levels you end up in Xenon/Cr123 territory.

The good news is, if you seek some sort of LED solution, you could get decent output and alot longer a runtime then that.
There are alot of off the shelf 2AA LED solutions on the market, Like the modern Mini-Maglite.

I think you need to add to your requirements, how much output are you hoping for ?
 
Whoa, Kestrel, You're right. Glitch.

Fivemega does it again.

Only thing is, can a small 2AA light take that kind of heat ? I think I bulb like that is probably designed to make best use of a 2D platform. 2C even if a Mag.
 
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