Recent content by lctorana

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  1. lctorana

    The 2BF Bedside Torch

    Here is a page from Eveready's Australian battery catalogue from 1962 - notice how much the batteries had already grown: I wonder if the IEC table measures the naked zinc pot, but the retail catalog shows the wrapped sizes with cardboard sleeves and end caps - that seem plausible. But cells...
  2. lctorana

    The 2BF Bedside Torch

    The duplex pack was sold in Australia from the early 1970s - 927s suddenly went off the market and the duplex appeared in its place. Until the early 1980s, when even those disappeared. As I said, British No8's are fatter, which may explain why 4/5 SubCs fit in English examples. It's like...
  3. lctorana

    Why 21700 instead of 26650

    I thought it had something to do with being used in electric vehicle battery packs, and we get the seconds and castoffs, but that of course doesn't answer the question why that cell was chosen for that use, and not say 26650 or 32650.
  4. lctorana

    The 2BF Bedside Torch

    No - SubC, at ~22.5mm is too big to fit in any of these torches. The BF cells were 13/16" diameter - that's 20.6mm. The diameter difference is not really apparent in my photos in post #2, but the SubC is 2mm fatter. So either 20700 or 21700 cells are ideal, which you use depending on the...
  5. lctorana

    X2b2 pr lamp. 2.4v 1.3a. What was it for?

    New one on me. Does the X denote Xenon, perhaps?
  6. lctorana

    Adapters for 3(L)R12 available in the USA?

    True, dat.
  7. lctorana

    Stumbling into a post Welch Allyn world

    Oh, and 2 more things about the 6.4 voltage of 2 LifePO4 cells: a) almost exactly matches FIVE NiMH cells b) is a perfect match made in heaven for ye olde Eveready #1163 camping light bulb.
  8. lctorana

    Stumbling into a post Welch Allyn world

    3.2V per cell is the design center figure, so 6.4V. Very close to 3 lead acid cells (nominally 6.3v) Here's the LifePO4 chart (double the figures for 2 cell use): (credit to https://footprinthero.com/lifepo4-battery-voltage-charts for this chart) Note this applies to any LiFePO4 cell, from...
  9. LiFePO4-Battery-Voltage-Charts-Image-11.jpg

    LiFePO4-Battery-Voltage-Charts-Image-11.jpg

    • lctorana
    • Media item
    • Comments: 0
    • Category: Incandescent Flashlights
  10. lctorana

    Adapters for 3(L)R12 available in the USA?

    Here's what I intend to do: Open up the dead batteries, and empty out the dead B cells. Keep the two terminal strips in situ. Wire up 3 x 4/5A cells in series to the terminal strips. A bit of foam will compensate for the extra length. An alternative would be to parallel 3 x 18500 cells...
  11. lctorana

    Saint Incand's Day - July 12, 2009

    Just checking in for my once-a-year pointless fluff post.
  12. lctorana

    Saint Incand's Day - July 12, 2009

    Apologies for missing my annual St Incan's Day check-in.
  13. lctorana

    Sold/Expired <SALE> Prince Series by FiveMega

    :paypal: for: #2 black 2C Prince $150 #01 Completely Gold plated 2C M*g with finned/flutted head and 15mm extension $140 #08 HA BlackTail Cap McClicky Switch $34 #52 Scalloped SS tail cap $18 #33 G6.35 socket $24 Subtotal $366 Less 30% $256.20 1 pack of 3853 RoP bulbs With shipping...
  14. lctorana

    Sold/Expired Golden City

    :paypal: for: #2 black 2C Prince $150 #01 Completely Gold plated 2C M*g with finned/flutted head and 15mm extension $140 #08 HA BlackTail Cap McClicky Switch $34 #52 Scalloped SS tail cap $18 #33 G6.35 socket $24 Subtotal $366 Less 30% $256.20 1 pack of 3853 RoP bulbs With shipping...
  15. lctorana

    Sold/Expired M*g D Tail Cap McClicky Switch By Fivemega

    :paypal: for: #2 black 2C Prince $150 #01 Completely Gold plated 2C M*g with finned/flutted head and 15mm extension $140 #08 HA Black Tail Cap McClicky Switch $34#52 Scalloped SS tail cap $18 #33 G6.35 socket $24 Subtotal $366 Less 30% $256.20 1 pack of 3853 RoP bulbs With shipping...
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