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  1. gadget_lover

    Mini-mod, 18650 into a 3P

    Nicely done. It looks like you threaded on the back side, right? The results are excellent. Dan
  2. gadget_lover

    DrafterDan torch, model 12

    That was an interesting video. If you are finding that treading tool has too much chatter, you can reduce the overhang to just a touch more that needed to cut to the depth needed. The shorter the unsupported length, the stiffer it will be. Dan
  3. gadget_lover

    DrafterDan torch, model 12

    I was just validating your idea. If you make one based on your design it's likely to be successful. :) Daniel
  4. gadget_lover

    DrafterDan torch, model 12

    Yep, that's been done before. The venerable ARC LS had a driver and LED mounted on a threaded heatsink when it was introduced in 2002. I did the same in 2004 for my Slim2 pocket light. I used an aluminum disk for the LED heatsink and the driver was mounted on another. On my light a spring...
  5. gadget_lover

    Using LEDs with parabolic reflectors...

    What I liked about the TIR was that you could get a very nice beam in a very compact form. It was nice for a light like the ARC series in the early 2000s. Dan
  6. gadget_lover

    Using LEDs with parabolic reflectors...

    An led will work well with a appropriate parabolic reflector. post #25 of the thread https://www.candlepowerforums.com/vb/showthread.php?50720-KILLER-minimag-mod shows a minimag illuminating a palm tree 300 feet away. But read the rest of the post to see how it was made. Dan
  7. gadget_lover

    Small Lathe for custom builds

    That's a good point. If you want to make your own flashlights, a light with 7 inch swing and a 14 inch between centers will allow you to make a ton of lights. On the other hand, if you are going to do a production run you want to look at automation. Or at least mechanizing the process...
  8. gadget_lover

    Small Lathe for custom builds

    There are several threads in this forum about small lathes. Some people say they are useless, others have made some really nice lights with them. Most of the people who have made disparaging remarks about the mini lathes have not used them. Some have used one (often when starting out) and...
  9. gadget_lover

    220 mm end cap

    Tap Plastics will sell you flat plastic sheet that has been cut to a round shape at whatever size you need. Then a wrap or two of flexible tape (black electricians tape works well) and you have an occasional use cap. Dan
  10. gadget_lover

    Sunwayman switch

    Occasionally a ring like that may be installed upside down, so the cut-outs are hidden from view. In that case, you get creative using things like rubber erasers for traction to get it out.
  11. gadget_lover

    Spindexer added to toolkit

    It's certainly one of the reasons that they make deep drawers. A full set of 5C collets and accessories will fill up one. :)
  12. gadget_lover

    Spindexer added to toolkit

    Good choice. Now that you have that, look for 5C collet blocks. You can get them in square and hex. The idea is that it gives you instant indexing for 90 degrees or 60 degrees using a vise. You put the collet block in the mill and you can quickly move from one angle to the next with...
  13. gadget_lover

    Arc AAA and Arc AA rubber washer

    It's a simple high density open cell sponge rubber. The idea is to keep the positive terminal of the battery from making contact with the circuit board when it's partly unscrewed. Both appear to be the same material. The AA is 5/32 thick, with a large hole in the middle. The AAA is 3/32...
  14. gadget_lover

    Is there a coating on "bare" roof aluminum?

    Aluminum forms it's own coating, and does it very fast. Once it has formed that skin, it will not corrode in normal conditions.
  15. gadget_lover

    FLASHLIGHT TOOLS

    One drawback to snap ring pliers and the like is the tendency to slip out of the shallow holes and scratch the part. When I was doing some work on a batch of lights i'd usually make a one off wrench from a slug of aluminum, milling off the end but leaving nubs that fit into the holes. They...
  16. gadget_lover

    Upgrade has arrived

    Look for a "spin indexer". It allows you to rotate to any specific angle. ( 0 to 360 degrees. ) Fairly cheap (under $50) , but often use 5c collets to hold your work. Dan
  17. gadget_lover

    sizing question on boring bar inserts

    Check out the Carbide Depot for information about the insert designations as well as for cheap inserts. ( I don't see that exact one at carbide depot. Go to http://www.carbidedepot.com/formulas-insert-d.htm to see what the numbers mean. The final 1 indicates the radius on the tip in...
  18. gadget_lover

    What would the ideal reflector look like to you?

    It's OK go disagree. After all, I disagreed too. :) I'll address #2. I'm assuming that you know about the physics "Law of Reflection". If not, take a look at http://www.physicsclassroom.com/class/refln/Lesson-1/The-Law-of-Reflection for an explanation. When you make a randomly shaped bowl...
  19. gadget_lover

    What would the ideal reflector look like to you?

    That's because you missed the very important point that followed. The post should have been quite helpful because the beam is much more important than the reflector appearance. The appearance is a result of the functionality, not the other way around. For example; 1)You use a straight...
  20. gadget_lover

    What would the ideal reflector look like to you?

    It does not matter what the reflector looks like. What matters is the beam that it produces. I like a beam that has a bit of throw, with no discernible hot spot. That allows a small 3 watt LED to illuminate an entire back yard. Which reflector will give you that depends on the light...

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