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  1. TheFraz

    Fraz Labs Mechanical Flashlights (formerly QTC Non-Battery Crush)

    Not sure - also not sure why this now has a "sold/expired" tag on it? Anyone know how we might get that taken off of the thread title?
  2. TheFraz

    Fraz Labs Mechanical Flashlights (formerly QTC Non-Battery Crush)

    All the new SS lights have Samsung 351Ds in them I believe. I do have a sheet of SST20s that just came in that will probably go out with the next batch.
  3. TheFraz

    Fraz Labs Mechanical Flashlights (formerly QTC Non-Battery Crush)

    All have shipped as of today. You should be good to go.
  4. TheFraz

    Fraz Labs Mechanical Flashlights (formerly QTC Non-Battery Crush)

    Will be back on in a bit to work further up the list. I think yall are gonna like the SS lights. I've been EDCing one for a couple weeks exclusively in my pocket with my keys and knife....not a scratch! Never had a stainless light before, but I can definitely see the advantages.
  5. TheFraz

    Fraz Labs Mechanical Flashlights (formerly QTC Non-Battery Crush)

    What kernel said (looked for a pointing 'up' emoji, but couldn't find one....). I've measured all this stuff before, but it can be a real pain and nearly requires some custom parts. Also, the numbers vary as kernel said.
  6. TheFraz

    Fraz Labs Mechanical Flashlights (formerly QTC Non-Battery Crush)

    @ecmp questions from above: Vf ranges, we've used all of the modern Vfs of high 2s to low 3s and up for single-cell applications (the usual 3.7v nominal li-ion battery types). I haven't specifically tested any of them, we're just going off the manufacturer specs. Mainly the SST20s and Samsung...
  7. TheFraz

    Fraz Labs Mechanical Flashlights (formerly QTC Non-Battery Crush)

    Hey guys! Long time no see. I'm gonna start trying to get on here and answer questions more often (as I've told myself before....but this time I'm really gonna do it...). The batteries we've used range from 2.56" to 2.65" in length with no problem. I've EDC'd both of those lengths for...
  8. TheFraz

    Fraz Labs Mechanical Flashlights (formerly QTC Non-Battery Crush)

    Lum 2 on right, QT-L on left. The Lum 2 can be modded with some pretty interesting stuff I think. Trying to make it even beefier with the heat sinking.
  9. TheFraz

    Fraz Labs Mechanical Flashlights (formerly QTC Non-Battery Crush)

    Have been working on the successor to the Lumenite (the Lumenite II which hopefully can use 26650, 21700, and 18650. Works better in every way....and I even modded my first one with a ridiculous LED (heat sinking was an issue...for now......). We have some pics. I'll see if I can find...
  10. TheFraz

    Fraz Labs Mechanical Flashlights (formerly QTC Non-Battery Crush)

    I'm so sorry for the hiatus for so long. We will (and especially me) will get to the questions asked asap. We have been converting from rented machines to infrastructure closer to home for quite some time. I'm sorry for the lack of communication for so long, but I promise to keep you informed...
  11. TheFraz

    Reliable flashlight brands

    Thank you! I would add, engineered obsolescence is definitely the enemy. No reason pliers and an allen wrench shouldn't be able to breathe new life into an old design.
  12. TheFraz

    Fraz Labs Mechanical Flashlights (formerly QTC Non-Battery Crush)

    That is a look into the bottom side of the new bezel for the prototype small light (currently called the "QT"). This design will allow us to shrink the size (as well as make it much easier to change LEDs). As Speck said, now that we are starting to get settled in to the new shop we should have...
  13. TheFraz

    Fraz Labs Mechanical Flashlights (formerly QTC Non-Battery Crush)

    I hope you are enjoying it :D. The new designs cover quite a large range of things compared to the model you received. Your model and all the older (and newer) ones all have the easily replaceable QTC piston, but the new model has a very refined piston that uses some machining capabilities we...
  14. TheFraz

    Fraz Labs Mechanical Flashlights (formerly QTC Non-Battery Crush)

    Left to right: Standard soda can, Gold Nugget, Tiny Nugget Slimline, Tiny Nugget 2, Fenix TK12, Mag 2C, Fenix TK41, Mag 2D
  15. TheFraz

    Fraz Labs Mechanical Flashlights (formerly QTC Non-Battery Crush)

    I saw that you got one, hope you enjoy! Also hope to hear what you think about it - and if you have any questions/comments/issues with it please let us know. These newer ones are a definitely a bit different on the internals side, but the older Nuggets hold a place in my heart as well.
  16. TheFraz

    Fraz Labs Mechanical Flashlights (formerly QTC Non-Battery Crush)

    I have napkin drawings now.... There will be more available shortly :D
  17. TheFraz

    Fraz Labs Mechanical Flashlights (formerly QTC Non-Battery Crush)

    Thank you! Being minimal is one of the main focal points of the design and the product. I have thought about implementing the piston in other places before, but I always end up coming back to this setup. Mainly I haven't done a tailswitch version because I want to eliminate the tailcap in all...
  18. TheFraz

    Fraz Labs Mechanical Flashlights (formerly QTC Non-Battery Crush)

    That's a good idea! May have to do that with a few... Absolutely, I'll take some pics tonight when we get back home. Thank you :D. This 'wireless' design has been the trickiest one yet to fine-tune, but it's working great now. It also has the best piston system. It is my favorite so far...
  19. TheFraz

    Fraz Labs Mechanical Flashlights (formerly QTC Non-Battery Crush)

    Made this in the shop today. Shows the full assembly of the Gold Nugget from all the broken down components. Full assembly takes around 4 minutes with me fumbling around and going pretty slow. An LED swap would be much much faster as it doesn't require access to all this stuff. The LED is...

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