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    LATEST SMOKER, E-CIG ELEMENT
    by jbkiwi ๐Ÿ‡ณ๐Ÿ‡ฟ ( Captain)
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    78 Posts 77 Replies 39 Photos 151 Likes
    ( Newest Posts Shown First )
    RNinMunich
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    ๐Ÿ“ LATEST SMOKER, E-CIG ELEMENT
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    Country: ๐Ÿ‡ฉ๐Ÿ‡ช Germany
    Online: 5 hours ago
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    Hi Mike,
    A Thermistor is a resistor whose resistance varies with it's temperature.
    PTC means Positive Temperature Coefficient.
    Which means that the resistance increase with temperature.
    Thermistor heaters come in various forms from tiny to huge and are used instead of nichrome wire for all sorts of heating jobs such as hair driers, bathroom fan heaters and in cars.
    They have the advantage that they can be designed for specific temperature ranges and when they reach their maximum design temp they stay there as long as the volts are applied๐Ÿ˜Š Possible disadvantages for our purposes are the initial heat-up time and operating current. Current is typically high while heating up but falls dramatically when at operating temperature when the resistance is at maximum. I=V/R ๐Ÿ˜‰. We'll see.
    After reading that article I started trolling my usual suppliers for suitable versions.
    No luck yet, either too small or way too big โ˜น๏ธ
    Anyway, I'm concentrating more on the alchemy side at the moment.
    I have several commercial mini smokers, e.g. for HO/OO scale locos etc., to experiment with. So I'm attacking the problem of the elusive 'Black Smoke'.
    As soon as I find some suitable thermistors heaters I'll be off and running๐Ÿคž
    Cheers, Doug ๐Ÿ˜Ž
    Young at heart - slightly older in other places ๐Ÿ˜‰ Cheers Doug
    mturpin013
    Lieutenant
    ๐Ÿ“ LATEST SMOKER, E-CIG ELEMENT
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    Country: ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    Online: 4 hours ago
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    Come on then Doug let your talents be tested and design a PTC Thermistor Heater version, whatever a PTC is?
    PS I do it myself but my December issue hasn't arrived yet (not much chance!)
    1
    RNinMunich
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    ๐Ÿ“ LATEST SMOKER, E-CIG ELEMENT
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    Country: ๐Ÿ‡ฉ๐Ÿ‡ช Germany
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    "But what can you get to quit making smoke units. ?"
    Burnt down workshop?๐Ÿ”ฅ๐Ÿ”ฅ
    Incinerated model? ๐Ÿ”ฅ๐Ÿ˜ฎ๐Ÿ˜ญ
    BTW just been reading an article (in December Model Boats, see HMSIron Duke, Broadside in miniature) about a smoke generator using a PTC Thermistor Heater instead of nichrome coils. No chance of fires๐Ÿ˜Š
    Doug ๐Ÿ˜Ž
    2
    Young at heart - slightly older in other places ๐Ÿ˜‰ Cheers Doug
    Martin555
    Rear Admiral
    ๐Ÿ“ LATEST SMOKER, E-CIG ELEMENT
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    Country: ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
    Online: 16 hours ago
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    Hi Jb,
    I thought you'r comment:-

    "(it's actually quite addictive)" very funny.

    Smoking is addictive
    Vaping Is addictive
    Making smoke units is now addictive. LOL!

    you'r hooked LOL!

    You can get a stick on patch to help to stop smoking.

    You can cut back on the nicotine percentage to stop vaping.

    But what can you get to quit making smoke units. ?

    Maybe a power cut LOL!!!

    Martin555.
    If it looks right it probably is.
    Elsrickle
    Chief Petty Officer 2nd Class
    ๐Ÿ“ LATEST SMOKER, E-CIG ELEMENT
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    Hi JB thanks for that info. Will be taking your advice and building my smoke unit at the start of the build as I can see a lot of experiments before it comes right and the weight will mean less ballast is required. Just got to finish the model am working on at the moment.
    Elsrickle
    1
    jbkiwi
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    ๐Ÿ“ LATEST SMOKER, E-CIG ELEMENT
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    Country: ๐Ÿ‡ณ๐Ÿ‡ฟ New Zealand
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    Appreciate the comment Elsrickle, I'm still having fun with new ideas as the possibilities are endless and open to your imagination. I'm sure you'll have fun experimenting (it's actually quite addictive). I think if anyone is thinking of building a smoke unit for a new boat, the idea might be to get one going well, then design in a place to mount it with easy access for filling/replacing element etc. Not the sort of thing to be completely built in. I like the ready made coils shown as they are tidy and easy to replace.

    Weight wise for eg, - the vertical vape tank version, (model X) weighs 100g (1/2 the weight of a 540 motor) and the alloy box coil only version was the same weight. The model X is 45mm Diam x 55mm H, so not that large considering, (40mm waste pipe with stop ends) and keeps it all tidy. A complete tank could be used just as a screw fitting (threads are very fine and hard to produce) without the glass and placed in a smaller tube and packed with cotton wool (to be soaked in smoke liquid) and air pushed through the element. So many versions are possible.
    JB
    1
    Elsrickle
    Chief Petty Officer 2nd Class
    ๐Ÿ“ LATEST SMOKER, E-CIG ELEMENT
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    Hi JB excellent detail in the photos. Now I have grasped the way these things work. Will definitely be building one in future build.
    You have done a great job there
    Elsrickle
    2
    jbkiwi
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    ๐Ÿ“ LATEST SMOKER, E-CIG ELEMENT
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    Country: ๐Ÿ‡ณ๐Ÿ‡ฟ New Zealand
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    I'm really going to have to have a chat with your mother about you Martin!๐Ÿ˜‚
    And now as MC Hammer said - "it's hamm-ock time. Evenin'
    JB
    2
    Martin555
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    Country: ๐Ÿ‡ฌ๐Ÿ‡ง United Kingdom
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    Jb,
    OOPS!! what have i just done.LOL!

    Martin555.
    1
    If it looks right it probably is.
    jbkiwi
    Captain
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    Interesting Martin! Thinks๐Ÿ’ก๐Ÿ’ฅโ˜€๏ธ
    1
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