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Thread: Maglite 3C Homemade tailcap lanyard ring?

  1. #1

    Question Maglite 3C Homemade tailcap lanyard ring?

    I tried making a lanyard by putting a constrictor knot around the barrel and it works awhile but it slides off the end after putting the light in and out of my pocket a bunch of times.

    So I looked at the tail cap and it looks to me like I could drill a small hole right in the center and put a small parachute cord through it. Then tie a small knot inside to keep the cord from pulling out through the hole. A knot big enough not to pull through but small enough to not interfere with the tail cap spring when it is compressed. Maybe a small dot of epoxy on the tiny knot?
    On the outside make a small loop to put a key ring through.
    Then when I want a lanyard on it just clip it on with a small carabiner or I could just tie a lanyard onto the key ring and leave it there.

    Or whatever. I'd have a metal ring hanging off the tail cap.

    I can't be the first or even the 100th guy to think of this.
    But is there something I'm not considering that I should? Will even the smallest knot inside take up too much room under the spring?
    Suggestions?
    Thanks!
    Last edited by RCRVRP; 01-14-2020 at 12:47 PM.

  2. #2

    Default Re: Maglite 3C Homemade tailcap lanyard ring?

    I don't think that there is a space issue (my 2C MagLite tailcap has enough room for a spare bulb). A possible issue with a hole in the tailcap might be creating a pathway for dirt/dust and moisture to get inside the flashlight. I can't imagine that someone hasn't drilled and tapped the tailcap to install a solid attachment point for a lanyard, strap or carabiner.
    Post some pics of your project either in progress or once complete.
    Sovende

  3. #3

    Default Re: Maglite 3C Homemade tailcap lanyard ring?

    Two ways I know of, one I did myself and other I may try some day.

    1) Drill 1/8" hole at 1/8" deep at a right angle to the light. Drill another straight down to end up with an L shaped hole.
    Feed cord into the L and pull it out of the hole with a dental pick or other small pointy object.

    2) Drill a small hole on opposite sides of the cap and install a D clip.


    Here's what I mean.
    Left is what I did and it is still sealed.
    Right was what Maglite did several years ago and it can be done again if you keep the hole shallow (say 1/8").
    John 3:16

  4. #4

    Default Re: Maglite 3C Homemade tailcap lanyard ring?

    Quote Originally Posted by Sovende View Post
    I don't think that there is a space issue (my 2C MagLite tailcap has enough room for a spare bulb). A possible issue with a hole in the tailcap might be creating a pathway for dirt/dust and moisture to get inside the flashlight. I can't imagine that someone hasn't drilled and tapped the tailcap to install a solid attachment point for a lanyard, strap or carabiner.
    Post some pics of your project either in progress or once complete.
    Sovende
    Thank you! I can't believe I never thought of drilling and tapping it for the standard threaded hole that is used on cameras and scopes. [ Well ok I can believe I never thought of it. ]

    Thats a great idea and if the tail cap should be not quite thick enough for threads I'll just epoxy in a little filler in the bottom to make it so.

    I can thread it and I even have a male threaded lanyard holder on an old camera that I can put on it.

    Great idea, thanks!

  5. #5

    Default Re: Maglite 3C Homemade tailcap lanyard ring?

    Quote Originally Posted by bykfixer View Post
    Two ways I know of, one I did myself and other I may try some day.

    1) Drill 1/8" hole at 1/8" deep at a right angle to the light. Drill another straight down to end up with an L shaped hole.
    Feed cord into the L and pull it out of the hole with a dental pick or other small pointy object.

    2) Drill a small hole on opposite sides of the cap and install a D clip.


    Here's what I mean.
    Left is what I did and it is still sealed.
    Right was what Maglite did several years ago and it can be done again if you keep the hole shallow (say 1/8").
    Another good idea! Thank you.

  6. #6

    Default Re: Maglite 3C Homemade tailcap lanyard ring?


    Another option
    John 3:16

  7. #7

    Default Re: Maglite 3C Homemade tailcap lanyard ring?

    I found a nice solution These and other ones similar are available for about $5. The threads are the standard 1/4-20 . I can just drill a 1/4" hole in the cap, insert this and put a 1/4" nut on the inside. I'll Loctite the nut, that way I can leave this just barely loose enough to swivel but it won't come unscrewed. I'm pretty sure there will be enough room inside but I'll verify that first. I have not drilled the cap yet so I don't know how thick it is. I may need to space it out just a bit with a flat washer on the outside. There are other shorter lengths available too. I found them with a Google search.
    Last edited by RCRVRP; 01-15-2020 at 06:38 PM.

  8. #8

    Default Re: Maglite 3C Homemade tailcap lanyard ring?



    I definitely look forward to seeing how this turns out. I really like the possible swivel idea.
    John 3:16

  9. #9

    Default Re: Maglite 3C Homemade tailcap lanyard ring?

    Quote Originally Posted by bykfixer View Post


    I definitely look forward to seeing how this turns out. I really like the possible swivel idea.
    I'll let you know but it might be a week or so. I'm thinking maybe a stainless steel flat washer on the inside and outside and still leave it loose enough to swivel.

  10. #10
    *Flashaholic* thermal guy's Avatar
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    Default Re: Maglite 3C Homemade tailcap lanyard ring?

    Just donít get the tail near any water though. It will leak. But you could put a O-ring on it. But you will lose the ability to swivel.
    If i had one day left to live i would want to be at my workplace.Because every day is like a frickin eternity.

  11. #11
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    Default Re: Maglite 3C Homemade tailcap lanyard ring?

    I definitely look forward to seeing how this turns out. I really like the possible swivel idea.

  12. #12

    Default Re: Maglite 3C Homemade tailcap lanyard ring?

    I'm done, it works. Drilled a 1/4" hole in the center of the cap. It is easy to drill and has a dimple in the center on the inside so it was easy to center the drill bit. The cap is too thin to thread so I drilled it large enough to slide in. On the inside I put an o ring over the threaded shaft and then put on a #12 flat washer. This is smaller in dia. than a 1/4" flat washer but does slide over the 1/4 " threads. Then put on a standard 1/4" nut with thread locker on it so it won't slowly loosen as the shaft gets turned through use.
    I could have left off the oring and left the nut just a little loose so the ring would swivel but I saw no reason to do that. Without the ring it would let water leak in.
    I'm very pleased with the result. To find the part google " Smallrig Quick Release camera fixing screw."
    The D ring screw was less than $5 for a 2 pack.















    Last edited by RCRVRP; 01-23-2020 at 09:12 AM.

  13. #13

    Default Re: Maglite 3C Homemade tailcap lanyard ring?

    So it swivels, albiet with some resistance?

    Sounds like you have a good idea going there.
    John 3:16

  14. #14

    Default Re: Maglite 3C Homemade tailcap lanyard ring?

    Quote Originally Posted by bykfixer View Post
    So it swivels, albiet with some resistance?

    Sounds like you have a good idea going there.
    Yes I can turn it with some resistance of moving the flat washer against the oring. For my use swivel is not an issue. When I have a lanyard on it the lanyard will be a few feet of parachute cord so the light will swivel easily on the cord.

    It is such an inexpensive and useful addition that I am surprised it is not provided by the flashlight makers more often.

  15. #15

    Default Re: Maglite 3C Homemade tailcap lanyard ring?

    Quote Originally Posted by RCRVRP View Post
    Yes I can turn it with some resistance of moving the flat washer against the oring. For my use swivel is not an issue. When I have a lanyard on it the lanyard will be a few feet of parachute cord so the light will swivel easily on the cord.

    It is such an inexpensive and useful addition that I am surprised it is not provided by the flashlight makers more often.
    Very nice job there 👍. Aren't you glad that I planted that "seed of innovation" in your brain? 😜
    Sovende

  16. #16

    Default Re: Maglite 3C Homemade tailcap lanyard ring?

    Quote Originally Posted by Sovende View Post
    Very nice job there 👍. Aren't you glad that I planted that "seed of innovation" in your brain? 😜
    Sovende
    Thanks you for the kind words and for the inspiration!

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