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  1. fubar

    convection vs conduction

    tl;dr I like both, since they work together in different ways in different devices to satisfy individual tastes and needs. It's the balance between convection and conduction that will determine the extraction/flavour profile at any given device temperature setting. If a dry herb vaporiser tastes...
  2. fubar

    Old Head Freight Train

    The instructions describe a recommended 10 minutes at 710F to burn off any leftover oils so yes, you should probably do it. No big deal. The coil on mine was slightly greasy and gave off a tiny bit of visible smoke in the very first minute but nothing else obvious after that,
  3. fubar

    Old Head Freight Train

    Interesting - thanks! Have a kludged autoshutoff enabled on the smart plug - absolutely agree that is essential so it doesn't burn down the house. I can dodge that major reason to upgrade. However, as you say, those tiny buttons get old quickly but as long as I'm not regularly fiddling with...
  4. fubar

    Old Head Freight Train

    Tried to compare it by sucking on an empty bowl while cold :) and comparing it to some other VAS spoor on my desk. It is restricted but that's one of those subjective/preference/taste things that won't suit everyone... Subjectively, it feels about the same as sucking through an underdog...
  5. fubar

    Old Head Freight Train

    That VAS-addled chap is screaming so loudly he's drowning out the yelling for you to do the same thing from everyone on this forum :myday:
  6. fubar

    Old Head Freight Train

    You would need to take the top off to install your coil. Avoided by getting the coil pre-installed I guess. Not hard to get it off apparently. Saw a youtube review where a dude does it. Turns out to be comical because putting it back on involves pushing the coil down hard to compress it while...
  7. fubar

    Old Head Freight Train

    Mine arrived and it's a beast. Still dialing it in but in case anyone has EQ DDave mod kit glassware, this thing works wonderfully well as an injector at ~360c for flower, where it powers a very efficient extraction, leaving ABV colour matching about 200c in an EQ. PID seems to work pretty...
  8. fubar

    Old Head Freight Train

    Thanks - ok - I'll take a chance. Just ordered one so will report back shortly. Happy birthday to me!
  9. fubar

    Old Head Freight Train

    Thinking of getting a freight train as there's a local (Australian) supplier. I currently use DDave mod glassware for the 18mm male heater of an Arizer EQ desktop as my main driver. I don't want to change much. I really like convection extraction but I'd like more sustained extraction...
  10. fubar

    Underdog Log Vapes

    I don't stir - it doesn't work for that method. Try a toothpick to winkle out the plug of bud that tends to form after a single draw, crush it a bit with fingertips and suck it very gently so as not to pack down, back in for a second hit - held in with an upward angle in to the log, to ensure...
  11. fubar

    Underdog Log Vapes

    Try not grinding just once to see if that works for you? Using the SS stem I've found I can just shove bits of bud in and get good extraction. I've been tearing little chunks off trying not to squish them too much and stuffing them gently in - very gentle tamp to get them down toward the...
  12. fubar

    Underdog Log Vapes

    It's surely a matter of personal preference? The browning of bud is exactly like the browning of cooking. Same chemistry. The Maillard reaction between protein and carbs. Your bread with more sugar toasts darker faster. For any given bread, it goes darker when toasted at higher temperature or...
  13. fubar

    Underdog Log Vapes

    I'd recommend reading up on the 'latent heat of vaporisation' of water if this is something you are curious about. Moist bud cannot get past 100c until all the water has left, because, well, physics. Yes, sea level and all that aside. It's as if any water molecules will grab all the incoming...
  14. fubar

    Arizer Solo

    I did find an 8.5v 50W wall wart on ebay a couple of years ago but not since. There are variable 0-12V wall warts on amazon or ebay - they have a knob and a digital voltage read out. I have one of those and I can run pass through beast mode at 8.5v or wind it up to 12v and charge. Best of both...
  15. fubar

    Arizer Solo

    tl;dr Check the voltage of your wall wart output plug With 8.5V DC input, early model Solos had a "pass through heating" mode - it heats and works normally but powered by the wall wart with minimal drain on the battery but no charging either. If that's what's happening, IMHO your solo is a...
  16. fubar

    Underdog Log Vapes

    I'm lazy but working at it and seeing much less clogging - thank you very much for all the tips. 5 years for a screen will do - I'm about to flip the screens over - that makes sense now (edit: I can't insert my old screen inverted to the SS stem - edges catch - will try with a new one later...
  17. fubar

    Underdog Log Vapes

    ok - n=2 is good enough for me to try it. I'll report back. An old trick for a new dog is always a good thing.
  18. fubar

    Underdog Log Vapes

    I'm a very old vaper but new underdog user and the best advice I can offer is that less is often more. Over filling will not work well. The thin stems work well with a surprisingly small load - I get 2-3 loads from what would be one normal Arizer EQ DDave 18mm basket that I generally fill with...
  19. fubar

    Underdog Log Vapes

    I'm guessing everyone else already knew this but this puppy has learned what a good idea it is to carefully remove and clean the screen (flame red with a butane torch works) when the draw gets hard after a few days of intensive use of any of the underdog wands. Makes a huge difference to the...
  20. fubar

    Underdog Log Vapes

    As a long term dry herb vape user, I have always thought that convection extraction was what I strove for - in the vapes I use mostly, the EQ/Air/Solo, that is the dominant mode I think - the glass gradually gets hot too of course so some conduction but the load is flatter so less exposed...
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