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  1. G

    Shake-a-Gen Film Canister Light

    Looks both simple and fun. I may try this with my son. How about the questions he presents? Anyone care to answer these? 1) Try varying the number of turns. Is it always true that the voltage goes up with number of turns for this simple gen ? What happens when the coil gets so large that...
  2. G

    Battery Hazards?

    Good info -- Thanks.
  3. G

    Battery Hazards?

    I've created a battery pack using CR123 lithium batteries contained in CPVC pipe and made sure that it's completely water proof by sealing the end caps and leads with epoxy. But after reading some posts about batteries giving off gases, I wonder if I've created a hazard. Will this thing continue...
  4. G

    CNC machining a prototype

    Nutabegga, I sent you a private message.
  5. G

    CNC machining a prototype

    No worries OddOne, the only similarity between what I have and snake eyes is the use of two lights. I mentioned snake eyes so readers would know that I'm *not* building a cylinder based light. I posted back in April that I was building some daytime running lights for enduro racing. Well, I...
  6. G

    CNC machining a prototype

    Hello CPF'ers, I need a prototype light-head machined from aluminum. It is not a flashlight, but is still kind of small. It'll be a dual light similar to snake-eyes. I'm a software guy by trade and have no idea how to approach someone about doing this job. Even more so, I don't know what it...
  7. G

    Micro Illuminator

    Re: Micro Illuminators to Ship Soon Got my email - paypal sent. Thanks.
  8. G

    Another 2 transistor 1.5v circuit

    Have you seen the patent filed by CMG Equipment? It lays claims on a two transistor step-up circuit. I'm no patent lawyer, but this reads as if they have claims on all battery powered LED flashlights. I also know that some patents would never hold up in court. I'm curious what you guys think of...
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    epoxy used by dmcleish?

    Thanks Don! That's exactly what I'm after. BTW, this site is trouble for anyone who likes gadgets. I started off with a practical application of white LEDs. But now... * I've made two homemade LED lights * Purchased a Turtlelite, Inova X5T, Infinity Ultra-G * Am waiting on a batch of Nichia...
  10. G

    epoxy used by dmcleish?

    This is my first post, so let me start by saying congratulations on a job well done. This site is rich with information. I'm making some daytime running lights using white LEDs to be used for enduro motorcycle racing. I noticed that dmcleish used an epoxy to fill a reflector...

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