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    Maglite Video

    19:25
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    For the 'Chicken Little' crowd

    Concerned about Carrington events, CME, EMP? Some think we could put some of them thar capacitator thangs on the critical transformers and maybe sleep better: https://www.foxnews.com/opinion/sun-stronger-than-our-electric-grid-we-defenseless-against
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    Flashlight Comparison Test - FYI

    I'm on Elzetta's mailing list, and received one a couple of days ago about this flashlight test / evaluation / comparison. Since I haven't seen any mention of it on CPF yet(?), I figured I'd post the link for those who aren't on that mailing list but might find it of interest. I've been busy...
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    ANSI/PLATO FL 1 2025 Standard Release

    Sure, I know exactly how to throw the cat amongst the pigeons around here🤣 Have at it! https://www.plato-usa.org/news/revised-standard-publication
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    Comparison of 2 Short P16340 Cells

    I use a lot of 1x16340 lights on a daily basis, and some of those lights are extremely critical on cell length. For 12-18 months I've been using the Nitecore NL169 cells. They're a good/proper fit in even my tightest lights, and I've been fairly happy with them. I previously (last year)...
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    Vapcell FYI

    While it's not my general practice to c/p posts from foreign (EDIT: to this forum) sources, this latest one posted today (as with many regarding this mfgr.) involves safety, so I make an exception for those; especially when I see a long-term trend. Call it a PSA (S=Safety);-)...
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    Failure Analysis - Key Bridge accident

    OK, I'm a bit nutty about failure analysis, but I'm sure others will appreciate this one too. It's a fairly classic example of a single root cause, and often the chain of events / conditions caused by or in reaction to it which can often ultimately lead to disaster...
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    MC rider getting busted

    I was just playing my favorite local weather forecast on a local TV station's streaming site, and saw this. I found it on their main site to link to here. Forget the words, and there's no audio. Just play the 23-second video and you'll get at least a chuckle, if not a laugh. If you've ever...
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    USPS

    I think this is pathetic. Your business volume goes up, so you raise prices. Sheesh;-( I don't have an MBA, but isn't 'something wrong with this picture'? https://about.usps.com/newsroom/national-releases/2025/0808-usps-announces-temporary-price-change-for-2025-holiday-shipping-season.htm
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    Drone Video (but not the usual)

    The early hardcopy doesn't state this, but the video (01:46) does. One guy ended up at the hospital. Between waymo and amazon, this is becoming a dangerous area to operate in...
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    Lithium-ion tech video

    This video was linked on another site, and I somewhat reluctantly decided to waste invest a half hour to watch it. I don't consider it was time 'wasted', but rather was time well spent for me, so......
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    Hard Hat Headlight

    Just ran across this, and having struggled a bit with headlights on hardhats 12 hours a night for years, I'm glad to see someone addressing that application specifically. Mounting one effectively on a hard hat is a little more challenging than it might appear, and the 'safety people' can be...
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    Nitecore NL1840 (18650) Initial Check

    I recently ordered some additional Nitecore 16340 (and some 14500) cells after having good results using them heavily over the past couple of years, and I wanted some 'fresh' ones on hand and figured this was a perfect time to pick those up;-). Since I was already doing an order (famous last...
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    SkyRC MC3000 $

    I've purchased two MC3000s from 'batteryspace' in the past 12-18 mos., and the listed price that I paid was $129.00 USD. When I've checked since then, the price was unchanged. I just clicked my link to that product page to check it again, and the current listed price is $170.60 USD. How 'ya...
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    Nitecore NH2400 1.5V Cell

    Does anyone have any comments / opinions regarding the somewhat unique(?) discharge graph curve pictured ~1/3 down this product page? https://flashlight.nitecore.com/product/nh2400 FWIW, some addtional specs are published here...
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    Basic Applied Flashtronics Trivia

    I was contemplating some basic / system-level flashtronics 101 stuff and wondered about a couple of numbers regarding my flashlight, and after getting them I thought I'd post it for anyone else who might have contemplated the same, but might not be aware of exactly how to get those numbers. I...
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    K2 Energy & Tenergy LFP123A quick check

    In case anyone's interested, I recently capacity tested some of my K2 LFP123A cells, and some NOS Tenergy ones as well. I used SkyRC MC3000, with discharge current of .5A, and a discharge cutoff of 2.5V (which is appropriate for LFP). I would like to see test numbers on the Surefire version...
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    KeepPower 16650 '2500 mAh' Cells - Initial Check

    I recently purchased 4 KeepPower 16650 ('2500 mAh') cells, which are my first cells in that size, and I just did my usual initial first basic checks on them to verify function / consistency, and get a general feel for the format. The market options in this size appear limited, and since I'm...
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    WTB - Std (non-crenellated) ZFL head

    1) Standard bezel (non-crenellated) Elzetta ZFL head. (Also have mint crenellated version ZFL I'd swap if interested.) 2) Prior-version, 'knurled finish' Malkoff MD2 body. (Also have mint current version MD2 body I'd swap if interested.) OE/stock. Condition not critical.
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    swollen 18650s?

    Anyone ever experienced / seen this? Anyone ever checked for it? I read this and wondered, as I've never checked. No measurements, but apparently this user has an 18650 light with such a tight bore that it's essentially a 'go/no-go' gauge in this case, which establishes that swelling has...

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