Recent content by FredM

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    7ah SLA replacement

    Can I slap something like this https://www.amazon.com/dp/B00HWQ3JVM/?tag=cpf0b6-20 into a cheap 35watt HID spotlight to replace the 7ah SLA that I keep forgetting to charge until a month after I run it to cutoff voltage? It would be lighter and only twice the price of the SLA.
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    Waterproof Heat Sink?

    Well I can tell you JB weld works incredibly. The IP67 tube strip I tested just laying on my carpet would get very HOT for the first several feet in minutes (then voltage drops and LED dim the longer the string) but I put it on the beam and it warms the beam and stays very cool even after on an...
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    Waterproof Heat Sink?

    However much it takes. I bought a few "higher power" LED strip but the voltage drop over 5m has me thinking the ~30 watt strip are better. I will probably cut the 60 watt strips in half . Anyways, I'm running too many to use any expensive glue so was thinking Devcon or JB Weld or something...
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    Waterproof Heat Sink?

    What is a good glue for the LED strips then? Epoxy resin like Devcon?
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    Easiest to drop in heatsink

    Which heatsink is pretty foolproof for a 2C maglite? I want to run a single emitter MC-E and DD it with 2 Li-Ion. Thnaks
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    Lithium Ion questions

    I am checking out the latest in electric cars and am curious The Tesla car is claiming 50K miles/ 5 years to 70% capacity on their battery packs. http://en.wikipedia.org/wiki/Tesla_Roadster#Battery_system I always see Lithium Ions considered "dead" after 80% is reached. I assumed it was...
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    D Lithium rechgeable 3.7v 7500mah-Feeler...

    I am in for 2 at the 25 pound price but not 35 plus shipping. Alot more options at that price.
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    D Lithium rechgeable 3.7v 7500mah-Feeler...

    Dude a Triton Jr. could easily charge one in a hour or so. (1:15) and it costs ~70 bucks. So 2.5 hours total charging for a 2 cell light and 3.5 for a 3 cell. Not to bad. And those are only if you drain them empty, the most probably case is 50% remaining or more.
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    Looking for a lathe...

    If you want to do Ti or stainless i would get the largest one that you have room for.
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    Surface Grinder???

    Is this what they use to resurface heads and engine blocks?
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    AW C Li-Ion cells, what will you replace them with?

    Are the unprotected models the same cells as the protected ones? Where are they available?
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    eneloop at a real store?

    This lack of eneloops disturbs me. I hope consumers don't buy the old crap and squeeze the LSD out of the market.
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    Surefire L1: still a great flashlight

    Surefire has yet to make a stinker LED since they first switched over to the TIR and LuxIII emittors. Might not be what you need but they are are very useful and tough.
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    Total clean lathe

    I am gonna strip down my lathe and clean everything cause I have never done it before AND it spent a few weeks at my "friends" house and has some staining, possibly had some rust that was wiped off. With this chance I am wondering what is the best solvent to use that is not to volatile and...
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    Knife & Light pics. (Identify your images!)

    Re: Knife & Light pics. http://img.photobucket.com/albums/v415/FredM/PICT0014-4.jpg Over sized image removed
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