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  1. Mad Scientist

    Need help finding the Chinese superconcentrate (SC) flavors

    Been vaping the Chinese superconcentrate flavors for like 10 years. Lately just rotating between real cig, 555 and cohiba. Past few years ordered from Bullcityflavors. They don’t seem to sell these flavors anymore. I found the SC flavors at Vapingzone but they won’t ship to me citing the new...
  2. Mad Scientist

    Hastur mini by Cthulhu Mod — surprisingly great MTL

    I’m back. Posted this elsewhere but didn’t get much interest. Hoping there’s more MTL interest here. Got my hands on a Hastur Mini — ordered direct from Cthulhu Mod. As a recent convert back to MTL, I’ve tried a lot of different MTL attys and this thing is right now king of the hill. Yup...
  3. Mad Scientist

    How about a big thread for Flavorart

    Seems all/most of the other big flavor houses have their own thread but nothing recent for Flavorart. What's up with that lol. When I saw Busardo's visit there and learned that Flavorart makes flavors specifically designed for vaping, I immediately became interested. Do we have any heavy duty...
  4. Mad Scientist

    Thermocouple Tests -- DNA 200, DNA 40, Snow Wolf 200

    I finally got a chance to collect some data using my Thermocouple interface. The interface is MAX13855 based with an analog multiplexer on the front end (that part still needs more work -- I plan to be able to use up to 4 thermocouples on the same coil) and a PIC12F675 to interface with my PC...
  5. Mad Scientist

    Improving TC with a drop of deoxit

    Experimenting with a brand new FDV 510 connected to a DMM (HP 3456A 4 wire "kelvin" connections) I could not get consistent readings -- drift exceeded 30 mOhm at each atty attachment. In frustration I put a drop of deoxit on a q-tip and used it to clean the 510 and the atty. Eliminated the...
  6. Mad Scientist

    RDA Characteristics of "flavor" attys

    Been thinking about a lot of the talk about the quality of flavor a particular atty provides. So let's talk about what is it that produces better flavor. Not subjective reviews of attys like audiophiles talking about the better sound their power cords provide or marketing hype about rifled...
  7. Mad Scientist

    Closed/Sold (US) WTB Non-functional Snow Wolf (I want case and buttons)

    WANTED Want: Non-functional Snow Wolf (I want case and buttons) Condition: Poor, Non-Working Description: Snow Wolf (or similar) that doesn't work and you are willing to sell for reasonable price Price Range: around $35 depending on condition of the case Willing to pay shipping from...
  8. Mad Scientist

    What happened to Dr g?

    Havent seen him around in the TC mod threads for a long time and he was formerly very active. Is he OK? He's an opinionated old fart (just like me lol). I miss the repartee.
  9. Mad Scientist

    Fastech selling "showroom" leftovers?

    Just received most recent fastech order, mostly RDAs and a mech box mod. Prices were good, shipping fast and everything arrived intact. Only thing is, everything looked like it had been picked over. Original inner bags were all opened, scratches and scuffs on stuff, that sort of thing...
  10. Mad Scientist

    Make Claptons easily -- use 23 AWG Dispensing Needle

    Thread title pretty much says it all. I got the idea from a guy on YouTube who used the outside of a ballpoint pen. Too crude for me lol. Thread the over-wrap wire through a dispensing needle (I had some 23 AWG on hand and that size works perfectly). Use the standard fishing snap swivel on...
  11. Mad Scientist

    DNA 40 works better using Ti grade 1 for higher cold resistance

    I was using Ni 200 and it's impossible to get a dual coil anywhere near the "typical" 0.4 Ohm TC atty resistance suggested in the data sheet. My builds were all closer to 0.1 Ohm or slightly less. They do work but . . . Tried 28 AWG Ti grade 1 and a 0.4 Ohm dual coil build is no problem. The...
  12. Mad Scientist

    Comparison of a few popular tanks

    I'm writing this basically to just have a way to remember some thoughts as of July, 2015 and also to share same and solicit what everyone else is thinking. What follows are some random thoughts about the tanks sitting on my workbench which are all reasonably popular, mass marketed devices. The...
  13. Mad Scientist

    Drip tip same as Kanger Subtank

    Looking for drip tips same as Kanger Subtank. Need to find SS, "wide" bore and double o-rings just like the ones that come with the Subtank, preferably at 2 bucks or less. I just like that drip tip. What can I say lol. Thanks.
  14. Mad Scientist

    When will we see a new crop of RTAs bigger than 22mm?

    Seems like present day attys are designed to match the "18650 in a tube" diameter, but the trend seems headed for box mods and then even bigger box mods. There will always be a place for the 22mm de facto "standard" but when do you think we'll see a new crop of attys that leave the 22mm limit...
  15. Mad Scientist

    Anyone test Japanese cotton with vs taking off the "compressed layers"?

    Hey guys, I tried to do a wicking test of Japanese cotton pads with the compressed layers left on versus removing the compressed layers. I mixed up some colored water, got a stop watch ready and ... GO! Well both wicked the water up over two inches in about 1 second (like nearly instant -- no...
  16. Mad Scientist

    How to wrap PERFECT spaced coils and dual coils the Mad Scientist way

    How to make a matched pair of perfect spaced coils the easy way. I don't know why I hadn't thought of this before. Take two strands of whatever wire you are using. Line them up in parallel. Wrap both around a mandrel side by side as if making a contact coil with them. Keep the wraps tight...
  17. Mad Scientist

    Help wanted: cable free USB

    Hey guys, I tried posting this in the DNA 200 thread and it got lost in the noise. Apparently as I grow older, some of the tech I took for granted has become obsolete. I want to use a DNA 200 (when available) as a wireless slave USB device. A windowz pc is available to act as a hub or...
  18. Mad Scientist

    Hana Modz One -- Maybe what the rDNA 40 should have been?

    One Mod by Hana Modz - Advanced I guess I pulled the trigger too quick getting into TC. The options are exploding. I'm going to wait until next year at least before buying anymore. Can't wait to see what will be available by then lol.
  19. Mad Scientist

    A short PSA for dual coil RTA designers

    Real quick, when you are drawing the post holes that the wires pass through (to then be clamped), angle the axis of each wire hole toward the air hole on each side -- not perpendicular to the row of posts. Would make it much easier to have the coils end up centered over the air holes without...
  20. Mad Scientist

    What vape gear do you take with you to the beach?

    What does everyone take to the beach? I don't mean take down the shore at the bar; I mean on the sand at water's edge. I've tried a few different things but I know this community has some ideas better than what I've been able to come up with. I'm ready to pull the trigger to buy something...