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Fantastic Adventures in Flashlight Modding! :)

  • gasbag11 Top 10 Forum Poster Monday, November 30, 2015 8:10 AM Reply
    Rather than continue adding to http://club.dx.com/forums/forums.dx/threadid.1426206?page=1, which was/should have been about sku121721, I thought it might be better to start a new thread that would cover any flashlight mods I or anyone else might be interested in.

    So, to continue from where I left off, I recieved an XP-L V5 for my 3rd C8 yesterday, but even though it was on a 20mm star, and the pill opening measured 20mm, it was slightly too big. It was on a star like this. vv


    http://img.dxcdn.com/productimages/sku_25367_1.jpg
    img src: http://img.dxcdn.com/productimages/sku_25367_1.jpg



    Measuring from the center of one "spoke" to a "spoke" directly across from it gave 20mm, but from one point/corner on a slight diagonal to the opposite corner gave 21+mm. I almost gave up and tossed it in the trash, but this morning I was determined to get that dam LED in that pill which turned out to be the biggest PITA I've had so far as modding goes.

    I had to go find my half-round/half flat file and file every corner off the star, while making sure I didn't remove too much metal from one side and get the LED off center like I did last time. (Here comes the ingenious part LOL) I blackened the outside edges of the star with a magic marker and filed till there was only a thin black line in the center of each spoke. Okay, I won't lie, it was the wife's idea. :)

    Anyway, the more I filed, the smaller the openings between the spokes got, and since (what seems to be normal for me) the holes in the pill were not 180 degrees apart, only one opening on the star would line up with one of the holes n the pill. That meant finding my drill and bits, and drilling a hole through one of the spokes to get the lead through. Then I couldn't get the star back out to put some thermal paste under it, yet it wasn't quite down on one side so I had to (carefully as possible) beat that SOB down till it was in flat. LOL

    All that plus I dropped it twice, had it fly out of my hand once and bounce off a wall, and had the file slip and hit the LED, yet the light works perfectly and I didn't blow anything up. :D

    EDIT - Had to post this a little at a time because of that damn "Server is busy" message. :/

    re-edit - Forgot to mention I also replaced the driver with SKU: 351865, which fit in almost perfectly.

    re-re-edit lol - Also forgot to mention that the XP-L did improve the throw compared to an XM-L, and an XM-L2 in my 2 other C8s. All were virtually identical (2 XM-Ls and an XM-L2) before the swaps.




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    post edited by gasbag11 on 12/1/2015 at 4:08 AM
  • sheepish Top 10 Forum Poster Monday, November 30, 2015 8:58 AM Reply
    Welcome to Torch Masochists Anonymous. I take it that you needed a 20mm round board?

    I wonder why that photo is rotated. The DX watermark is at the normal angle.
    DX has found a new way to deceive customers:
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    http://club.dx.com/forums/forums.dx/threadid.1462252
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  • gasbag11 Top 10 Forum Poster Monday, November 30, 2015 9:42 AM Reply
    Welcome to Torch Masochists Anonymous.

    LOL Very appropriate.

    I take it that you needed a 20mm round board?

    Heheh. It never crossed my mind that it wouldn't fit. Oh well, lesson learned. I'll know next time.
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  • matrix-neo Moderator Monday, November 30, 2015 10:07 AM Reply
    wait, if sku.351865 fits almost perfectly and it's 17mm you need something closer to 17mm than 20mm right? hope you had fun cutting a 21mm board down to 17mm gb!
    Resistance is futile-give in to DX gadget craving!
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  • gasbag11 Top 10 Forum Poster Monday, November 30, 2015 10:36 AM Reply
    The LED board was too big, not the driver. The driver (17mm) was almost a perfect fit and only the "teeth" on one side had to be filed slightly to fit the pill.

    edit - typo
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    post edited by gasbag11 on 11/30/2015 at 10:36 AM
  • desolder Top 10 Forum Poster Tuesday, December 01, 2015 2:28 AM Reply
    That's odd sku.25367 is described as having a "20mm base". In the past, that's usually been called a 21mm star. Using markers on metal is a good technique when you need to make accurate cuts. Check out this guy's channel if you want to see some metal machining pr0n:
    https://www.youtube.com/watch?v=zB9XhqzBNJs

    What's up with the scrubbed LED driver IC markings?
    What are they trying to hide?

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  • sheepish Top 10 Forum Poster Tuesday, December 01, 2015 3:48 AM Reply
    In the past, that's usually been called a 21mm star.

    Maybe by you. Everyone else calls them 20mm stars.
    DX has found a new way to deceive customers:
    Use reviews for different products that have not been bought
    by the person who wrote the review.
    http://club.dx.com/forums/forums.dx/threadid.1462252
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  • desolder Top 10 Forum Poster Thursday, December 03, 2015 1:23 AM Reply
    Apparently so! I checked a bunch of the star MCPCB LEDs and could only find 2 examples of sku's listed as having 21mm stars. The vast majority were listed as having 20mm stars. I'll have to remember to call them 20mm stars from now on.
    What's up with the scrubbed LED driver IC markings?
    What are they trying to hide?

    Posts(6967) | Reviews | Tip post

  • gasbag11 Top 10 Forum Poster Thursday, December 03, 2015 1:33 AM Reply
    I'll have to remember to call them 20mm stars from now on.

    And also that those types of 20mm boards won't fit in a 20mm opening without a lot of PITA filing. :l
    ALWAYS ask questions about a specific item on its
    page. Scroll down and click on "Post a new topic".
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  • sheepish Top 10 Forum Poster Thursday, December 03, 2015 9:53 AM Reply
    I've filed down a 20mm star to fit a 16mm round hole more than once. Sigh.
    DX has found a new way to deceive customers:
    Use reviews for different products that have not been bought
    by the person who wrote the review.
    http://club.dx.com/forums/forums.dx/threadid.1462252
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