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What do you use and why? Convection? Or Conduction?

Discussion in 'Ask FC' started by david8613, Dec 9, 2016.

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What do you perfer conduction or convection and why?

  1. Convection is my choice!

    31 vote(s)
    63.3%
  2. Conduction is my choice!

    1 vote(s)
    2.0%
  3. Hybrid conduction/convection in my choice!

    17 vote(s)
    34.7%
  1. david8613

    david8613 Member

    Messages:
    93
    I'd like to see what everyone is using more, conduction, convection or hybrid?
     
    Last edited: Dec 9, 2016
    Squiby and ShovelHead like this.
  2. Squiby

    Squiby Well-Known Member

    Messages:
    1,065
    I love my Vapcaps. They are a hybrid convection/conduction device. Shockingly smooth cool vapor from a tiny device the size of a cigarette and the most attractive portable vape on the market. IMHO.

    New tips are being shipped now, so the ratio will favour convection. I'm waiting for mine now and am anxious to experience the difference.

    It's hard to imagine an improvement on perfection.
     
  3. ginolicious

    ginolicious Well-Known Member

    Messages:
    680
    My only vape is a Vapir Riss 2.0 which is a conduction or well a hybrid. It's the only vape I own. However I am hoping to get a portable convection.
     
    GreenHopper likes this.
  4. david8613

    david8613 Member

    Messages:
    93
    I added hybrid to the poll, i know i was looking at a hybrid at first, the boundless cfx is a hybrid but i settled on the boundless cfv for its better effeciency with herb.
     
  5. ShovelHead

    ShovelHead Bikes don't leak oil, they mark their territory!

    Messages:
    62
    I also voted Hybrid, I use the Haze Dual V3 as it gives me both choices but I do seem to use the convection more for the taste as the big vapor clouds is not a big thing with me :tup:
     
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  6. Baron23

    Baron23 Well-Known Member

    Messages:
    1,733
    I favor my convection desktop vapes, Volcano, Enano, EVO. I do so because I find I can run smaller loads with convection and I'm not worried about a larger load continuing to cook in a convection vape in between hits or if I want to break my session up.

    That said, I do think that conduction and hybrids...well, mostly conduction...has gotten a bad rap. Conduction vapes effectively and many conduction vapes are great for passing around with friends due to bowl size and ease of use.

    I hsve vapes in all three categories and I'm with @Squiby in that I love my conduction VapCap OGs. I just haven't found a more efficient vape yet although being a butane powered vape it does take a little bit of knowledge and experience to get the best out of it IMO but its not really finicky or too variable.

    Cheers
     
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  7. GreenHopper

    GreenHopper 20 going on 60

    Messages:
    285
    Hi @david8613,

    I use a GrassHopper which is convection based. I like it as it's a heavy hitter very efficient. But the vapour is hot and best run through a water piece.

    I also use a PAX2 which is conduction and like @Baron23 said they are great for passing around in groups which the Hopper is not.
     
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  8. Andreaerdna

    Andreaerdna If God is the answer, then the question is wrong

    Messages:
    513
    I like variety, it helps to keep tolerance down IMO, as IME each device delivers in a more or less slightly different way

    Convection preserve taste longer but demands for more effort when pulling hot air

    Conduction, or should I say radiation, cooks taste faster but is usually easier to your lungs (no need for lungfull hot dry hits)
     
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  9. lwien

    lwien Well-Known Member

    Messages:
    15,691
    Location:
    Arcadia, California
    Convection simply because I want a fresh hit with every hit. Why? Because along with preserving the taste for any given amount of bud, it also allows me to get more from any given about of bud while eliminating waste.
     
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  10. HellsWindStaff

    HellsWindStaff Dharma Initiate

    Messages:
    1,532
    Agree 100% I'd go as far to say that I prefer Convection alone and by myself, as easier to microdose and regulate my usage and always get fresh hits. But, I much prefer conduction when with friends or out with people because just easier. I very rarely vape by myself on the go, but if so it doesn't really matter to me I just grab something lol. But if I know I'm sharing, I'll definitely go for my Mighty or CFX over anything else really.
     
  11. Southern Chef

    Southern Chef Well-Known Member

    Messages:
    94
    Location:
    Home of the Blues
    I agree. There are some very efficient conduction vapes but I find convection to be the most efficient. At least the way I use them.
     
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  12. invertedisdead

    invertedisdead Beware of Pizza

    Messages:
    760
    Location:
    Agrabah
    Isn't a dab conduction vaporization? Great flavor...
     
  13. grokit

    grokit well-worn member

    Messages:
    11,054
    Location:
    the north
    I would think that torch dabs and e-nails are 100% conduction, the only exception I can think of might be the vapexnail, which seems that it may qualify as a hybrid solution but I haven't tried it personally.

    It's not an either-or situation for myself either. I think this is pretty common and we need more poll categories lol. I use mostly convection vapes, the main exceptions being a couple of hybrids; my sublimator and my old crafty. I've also got a cfx but I'm saving it for travel/sharing. The only pure conduction vapes I've tried were my og hot plate globe that never really worked, and my pax v.1 that I hated and sold.
     
    Last edited: Dec 9, 2016
  14. WeAreVenom

    WeAreVenom I vote for marijuana

    Messages:
    75
    Location:
    Baltimore, Maryland.
    Convection is easier, so I am going to select the option that leaves me with less frustration.
     
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  15. david8613

    david8613 Member

    Messages:
    93
    Why exactly is a hybrid better for group sessions, the clouds? Or are you saying because the cfx has a bigger bowl and bigger battery. I wonder if boundless would make a full convection version of cfx?
     
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  16. Baron23

    Baron23 Well-Known Member

    Messages:
    1,733
    Bigger bowl and in particular conduction requires no technique beside the ability to breath in.

    Convection, where in general you generate all of the heat transfer via your in-drawn breath, does sometime require a bit of familiarity with the specific vape in question so better for groups where all may not have the same level of expertise.

    Conduction/hybrids....not so much.

    Cheers
     
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  17. HellsWindStaff

    HellsWindStaff Dharma Initiate

    Messages:
    1,532
    Ease of use. The good battery life on both the CFX and Mighty is a plus and if I had to constantly charge them I probably wouldn't tout as high. And the bigger oven on the CFX (Mighty isn't huge but workable for 3-4 people), is also a plus. But my friends smoke, except when I'm with them. They use my desktop convections sometimes, but that's because they are pluggin in, running, and are X temp. IMO, Portable Convection is finicky and requires technique. You are always starting your bowl, from cold. So you have to engage the heater, and then not draw too fast to overexert it until it builds up enough temp. Does that make sense? I never let my friends use my Firewood for instance because they don't understand a slow steady rip, and they get shitty results because they are inhaling faster than the heater can keep up.

    Except one friend, he is the opposite. He draws too fucking slow. Combusting in my FW. Combusting in my Sticky Brick. Lotus, etc.

    Guess the point is everyone is different and it's annoying having to explain and go over technique and then try to refine each individual users nuances so they get good results.

    Conduction/Hybrids, you set the temp. The oven reaches temp. My instructions consist of, "hit it, long and steady" as that just gives everyone good hits on basically every vape. I don't have to worry about the heater not being hot enough, because the heater is already set to heat up the oven. I also don't have to worry about my other friend riding the line of combustion, because the heater in the oven is again, set to a temp where combustion won't happen.

    Does that make sense? Just a longwinded way of me saying, ease of use LOL.

    Here is my perspective. I don't think any of them are actually 100% of anything, but skew in certain directions. For instance, torch dabs, and enail dabs, are more conduction, for sure, you're melting it onto a hot surface to hit, definition of conduction basically. But, do you low temp dab? If you do, you'll recognize a carb cap is needed and I believe this contributes to the overall better taste at low temps. Rather than conduction your whole dab onto a 800 degree rig, if you use 625, it will pool onto the plate and you'll get some vapor, but once you cap it and the air circulates around, you really can fill the can up thick. And it tastes great! So I tend to think convection is being used in some capacity here. (I am spitballing)

    Similarly, the VXnails, are more convection. But after you take your convection hit, once all that hot air ran past the nail and in turn heated up the quartz/glass, you then start getting some conduction effects. I notice this the most after my dab using the EVO. You get a really tasty hit using the EVO with concentrates, but towards the tail end of your hit, I always get a plume of gross crappy residue that is burning off. I think that happens because of conduction.

    Also, if anyone has used a Sapphire Disc from D-nail with their enail, that is "convection style dabbing" as it is never directly on the super hot surface. The disc is above the nail/heater and while it gets hot, its not as hot as the nail below it. And a cap is again necessary. No gross taste on tail end of this.

    Rambling on...
     
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  18. Vapenvy

    Vapenvy Indie vaper

    Messages:
    284
    Location:
    Where the bloody hell are ya?
    I strongly disagree that the new vapcap will favour convection over conduction. Of course i haven't tried it yet, but having the original and current ti tips, the whole design is basically conduction.

    More airflow and mouthpull will increase the percentage of convection, but in my opinion, only a radical change in design would ever result in vapcap favouring convection.

    The vapcap effects feel like conduction, and I can't see how directly heating the chamber with a lighter can be anything but conduction.

    The traditional test has been, heat it but don't draw on it and if the load doesn't stay green, then there is conduction at work. I don't think this test is even necessary with vapcap, however I just sacrificed a load with the second generation ti tip (ie the one with extra convection). First heat cycle has slight browning. Second cycle gets a nice golden brown abv and the room smells of herbs.

    I too am looking forward to the new tip, but i doubt it will change significantly. I voted hybrid myself, so i think the new tip will be best yet, with lots of extra convection comparitively, but i still think it will be firmly in the conduction camp.

    Sorry to get bent up about this, but i feel that just because the Vapcap is awesome, doesn't mean it should get a free pass in the endless convection vs conduction debate.

    Edit- because i got those pesky conduction and convection words mixed up sometimes.

    Edit 2- Due to my rant i forgot to answer the original question. ...

    I really like the more euphoric effects that convection seem to give me, so if i HAD to choose 1 or the other, i would go convection, but i think vapes like the firewood and nano that are mainly convection, give a really nice kick if you session it and give the chamber time to heat up and add conduction to the mix.
     
    Last edited: Dec 9, 2016
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  19. Squiby

    Squiby Well-Known Member

    Messages:
    1,065
    Yeah. You're probably right.

    I am certainly no expert, at all. I have no sense of the degree of conduction vs convention the Vapcap may offer.

    Some convection is certainly there. Carbing down and mouth-pulling, I think, would increase it. The in-house milling with deeper and more tip channels should increase the amount of heated air moving through the bowl. But what that represents in ratio, I have no idea. But I imagine that the ratio should move in favour of convection.

    Whether that represents 10/90 - 20/80 or 30/70 - 50/50, or whatever, I have no clue and couldn't guess. I wonder if George has done any measurable testing?
     
  20. Stevenski

    Stevenski Enter the Dragon

    Messages:
    1,268
    Location:
    'straya mate
    I favour hybrids like my Ti VapCap feels like 60 or 70/30% conduction/convection (pack & heating dependent). By far my favourite are my UD NonG's but that is more a 25/75 split. That second heat cycle bong rip is as big as you would want from the Vapcap.
     
    Last edited: Dec 9, 2016
  21. HellsWindStaff

    HellsWindStaff Dharma Initiate

    Messages:
    1,532
    The vapcap is really unique, Imo, in terms of signature. I have no clue ratio, but I do think it being capped and I always draw with it closed, for as long as I can, then unleash the carb and clear. I think that has to do with it. I could just be making myself lightheaded I guess :lol: it's basically sealed

    True hybrid
     
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  22. Hippie Dickie

    Hippie Dickie The Herbal Cube Manufacturer

    Messages:
    2,406
    Location:
    where the Cube rules!
    i need a different category for the Bud Toaster: convection plus radiant heat.

    i prefer a slow draw, but no technique is needed. it is not possible to overwhelm the 100+ watt heater and the temp control prevents any possibility of combustion.

    i definitely prefer convection to conduction.
     
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  23. Andreaerdna

    Andreaerdna If God is the answer, then the question is wrong

    Messages:
    513
    I had some intense exchange around this matter in the past. I do believe most of heat transfer of said "conduction devices" happens through radiant heat transfert and conduction play a very minor role (only dabbing/ using melting products can fully rely on conduction IMO)
     
  24. jojo monkey

    jojo monkey Well-Known Member

    Messages:
    388
    I am happy to see 0 votes for a pure conduction vape. Who wants to waste herb just so their vape can heat up? Would you use a frying pan that takes bites out of your food before you get to eat it? It's like that to me.

    Convection wins for me because herb should not be wasted.
     
  25. WeAreVenom

    WeAreVenom I vote for marijuana

    Messages:
    75
    Location:
    Baltimore, Maryland.
    [​IMG]
     
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