Recent content by chocho

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  1. chocho

    Solar AA battery charger by Crane

    If you just have AA batteries to recharge, I have gotten a lot of mileage out of my PowerFilm AA Foldable Solar Battery Charger which I bought from Sundance Solar. It is excellent in the field. I like its design for several reasons. 1. It's really compact - about the size of a wallet including...
  2. chocho

    New led light bulbs at wal-mart

    I have installed them on an outdoor security light that is very difficult to access. The main reason I bought these lights was for longevity - since I don't want to have to replace them for many many years. Thoughts: They are not as bright as I had hoped - they are maybe as bright as a 40W...
  3. chocho

    100K hour life vaporware

    +1 to that. I have LED candles sitting in our windows (always on) that I make with 2 D batteries and 10mm LEDs. The 10mm LEDs have a 3.3V forward voltage, thus, they are being under driven. The only heat-sinking is from contact with the (+) battery nubbin to which it is firmly taped. They lose...
  4. chocho

    Moving tritium locaters?

    You are braver than I am. Granted, Dobbler, with all the suppliers on CPF, you could just roll your own. You can get really creative with vial placement too. See my "radioactive symbol" below. With a half-dozen vials encased in clear epoxy it's bright enough to read a book page in pitch...
  5. chocho

    Moving tritium locaters?

    I think Rob glues them in with superglue (cyanoacrylic). The only possible way I see is to use a minute amount of solvent to free it. Fingernail polish (acetone) can dissolve superglue - however - it will also wreak havoc upon the casing (likely releasing the radioactive tritium). It's not...
  6. chocho

    GDuP progress thread.

    Hi Wayne and Cindy, JUST TO MAKE SURE before I drop a wad of cash on these LE's. These LE's are totally compatible with the Aleph 2 so long as I perform some minor surgery on the McR-20 (like this) right? :caution: Thanks for your R&D! -Chris
  7. chocho

    An LED flashlight for your elderly loved one

    Pimp that walker! A Two-Fish lock block and an LED flashlight for the holidays! http://www.stltoday.com/stltoday/news/stories.nsf/sciencemedicine/story/C1348EE25F94DF9B862573A00015ED33?OpenDocument Makes sense to me. -Chris
  8. chocho

    UV LED for sterilization... will it work? which one(s)?

    In our computer lab, I use these two devices to sterilize the keyboards and mice. There's nothing better than a public computer keyboard to spread germs. http://www.brookstone.com/store/product.asp?product_code=572362&search_type=search&search_words=UV&prodtemp=t1&cm_re=Result*R1C2*T...
  9. chocho

    Mule in CR2 size?

    Heh heh. . . I made one here. Not in the same caliber as the Master Gizmologist, but, gets the job done for reading late at night.:sleepy: -Chris
  10. chocho

    Best metal for heatsinking?

    Data (1st column) :caution:
  11. chocho

    My RAW "Mule"

    Why should these guys have all the fun? :sssh: I was doing my pre-holiday cleaning in the office when I found my stash of LuxIII spare RAW parts. Since they don't fit in the new RAW (that was sooo last year :shakehead) I thought about ways I could use them. Then, an epiphany happened. I...
  12. chocho

    Shootings at Virginia Tech

    My heart goes out to the families. However, to all who feel that arming the general population is a satisfactory solution to this, I offer the following scenario and ask what you would do: You are a student on campus - in a classroom. You hear gunfire. You immediately draw your firearm and...
  13. chocho

    New Raw XR-E

    Re: Raw XR-E vs Raw NS with Cree XR-E? Ned, Don't forget that Rob also has the "not-so-low" 90 minute low power option. You get 90 minutes of 50 or so lumens as the low power. You still have the 120 lumens of high power to light up a field if needed. In practice - you never need to use it...
  14. chocho

    Wee New light From Lummi.

    Oh heck - If I wait just a wee bit longer, and extrapolate out Rob's development curve, I might as well just preorder now for the Femto-Pico-Nano-Wee-NS-Ti. It should be a titanium dipped Cree-XRE that just runs off the static electricity on your sweater... Yeah - I'm in. :sold: -Chris
  15. chocho

    I'm so torn! (a rant)

    Except if you ask Rob to set one up with the "not-so-low" low power. (different resistor) On the new RAW-XRE (cree powered) that's 60 lumens out the front end for about an hour and a half. You still have the 120 lumen high power for show if desired. Personally, I never use the high power...
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