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Day one in the airbrush house

Discussion in 'Beginners help' started by Mike115, Jul 19, 2019.


  1. twood

    twood Air-Valve Autobot! Very Likeable!

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    That looks painted on...
  2. Mike115

    Mike115 Mac-Valve Maestro! Very Likeable!

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    Nope he uses stickers mate

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  3. Mike115

    Mike115 Mac-Valve Maestro! Very Likeable!

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    Thanks again, it was B :)

    AS always I was just pushing a little too hard, too fast.

    When spraying clear coat is the same principal in play, lots of light musty coats?

    Thanks so much buddy
  4. Mike115

    Mike115 Mac-Valve Maestro! Very Likeable!

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    Hopeless Mike is back!

    So I've not touched the brush for over a year, covid and my health's been brutal but I've never given up. Just paused.

    One thing I do to help with stress I fly freestyle drones.

    They are carbon and I want to paint them but I thought I'd askna few questions first.

    To paint carbon, do I just need to red scotchbtite the surface?

    Also I would appreciate a few artistic ideas on what short of scheme to paint them? Here is one of them, the gopro mount and props are colour coordinated, so maybe do the same with the arms?

    The frames are 1 top 1 bottom and 4 arm sections.

    Thanks as always and I hope we are all doing OK?


    [​IMG]

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  5. SiRoxx

    SiRoxx Party Boy UK Style Staff Member Mod Very Likeable!

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    Glad to hear you’re feeling up to picking up the brush man. That’s always good!
    As far as painting carbon goes, I have never tried it. But a scuff with a pad and a primer like Autobourne Sealer would be my guess. With something like the image you’ve shown you could use the white sealer as a base, mask and paint the red.


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  6. Mike115

    Mike115 Mac-Valve Maestro! Very Likeable!

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    Hiya mate, how are you doing?

    I managed to get half an hour today and got the kit out, cleaned and grabbed an old frame.

    I didn't fully clean the stuff off, but I scratched it up, primed it and this was the results minus clear coat

    So it seems that it's going to be fair simple, thanks so much for the reply and it's great to be back, it was actually pretty therapeutic

    [​IMG]
    picture hosting

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  7. Mike115

    Mike115 Mac-Valve Maestro! Very Likeable!

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    I do have a question re clear?

    Are rattle can clear just as good as brush clears?

    Just thinking about saving time not cleaning the brush are using clear.

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  8. SiRoxx

    SiRoxx Party Boy UK Style Staff Member Mod Very Likeable!

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    Doing good thanks Man.
    Nice one Buddy! Glad it worked out for you. The rattle can clears or fine, but they do bite the paint pretty hard compared to others. The first couple coats need to be really light, then a wetter coat will be ok. Going too heavy too early will cause the paint to wrinkle if it’s waterbased. Less of a worry if the paint is solvent, but going gentle is still a good plan.


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  9. Mike115

    Mike115 Mac-Valve Maestro! Very Likeable!

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    Thanks man and glad your doing good

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  10. JackEb

    JackEb The Dragon Hunter Staff Member Admin

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    Welcome back Mike :) life pulls us in different directions sometimes but you still need to find time to festers and I find hobbies great for that. concertrate on that instead of everything else and you can give your brain a rest :)
    I use rattle can clear without issue. Just a very light mist coat to start with, a ligh sand between coats just make sure each layer is totally cured before the next one gets laid down
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  11. Mike115

    Mike115 Mac-Valve Maestro! Very Likeable!

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    Sanding? What do you use?

    Life definitely does, I could ahe should have used lock down to paint but hey ho, being clinically shielding I thought it best not to risk anything that might get on my chest, what a time to be Alice lol

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  12. JackEb

    JackEb The Dragon Hunter Staff Member Admin

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    I’ve used light passes with 0000 steel wool and it seems to work well, ive seen some that just use the scotchbrite pads.
    I could have used some good lockdown time but I’m able to work from home so I didn’t really get much more time than normal
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  13. Mike115

    Mike115 Mac-Valve Maestro! Very Likeable!

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    Yes in many ways I'm incredibly lucky, but they say luck runs out eventually lol

    So what is the idea behind sanding at this stage? Is it a case of light passes between coats? Or just before you add the clear? Sanding has always scared me as I don't want to ruin it lol so I'd appreciate a bit of information. Thanks mate

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  14. JackEb

    JackEb The Dragon Hunter Staff Member Admin

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    If sanding scares you then find a spare pies of whatever substrate you are planning on clearing, throw some random paint /marker picture on it (not a lot, save your paint for more worthwhile persuits)
    Wipe to make sure it’s dust free the a mist coat of clear. A gentle sand then a slightly heavier coat, don’t get heavy handed or you’ll get a bad result. the sanding helps get some ‘tooth’ the the clear coat to help it adhere.
    i know @SiRoxx does lots of clear coat so he will have better advise than me :)
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  15. Mike115

    Mike115 Mac-Valve Maestro! Very Likeable!

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    Am I supposed to sand or scotchbrite after printer and base layer coats too? Or just clear?

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  16. Mike115

    Mike115 Mac-Valve Maestro! Very Likeable!

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    I managed to start the base and clear for my joke themed build.

    Not bad for 18 months out and very little skill.

    What clear would you guys suggest to give the best pop and deepest gloss?

    Thanks

    [​IMG]

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  17. SiRoxx

    SiRoxx Party Boy UK Style Staff Member Mod Very Likeable!

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    Ok, there’s a few things to answer here so I’ll do my best to answer with the caveat that I’m not an expert of course lol. So here is my understanding which I’m happy to be corrected on if needed.
    A chemical bond is when paints melt together to a degree in order to stick and create adhesion.
    A mechanical bond relies more on the texture to stick.
    If we start with the base coat. - for best adhesion solvent base coats have a “clear window”. They rely more an a chemical bond meaning after being sprayed they must be cleared within a certain time period and wouldn’t need sanding to accept the clear coat. If it’s not possible to clear within this period then they will need to be sanded to create more of a mechanical bond.
    Water based paint does not have a clear window as it is more of a mechanical bond. You can leave waterbased for a week or more and then clear it without needing to sand.
    Base coats that are not metallic or pearls can be sanded to correct imperfections before being cleared.
    For the common clear coats - Rattle cans are generally a 1k product meaning they don’t have a separate chemical (an activator) in order to dry. Clear going into guns is generally a 2k product meaning it does have a separate activator that must be added to the mix in order for it to dry.
    Both of these are of course solvent paints and will sort of melt into previous coats.
    When applying either 1k or 2k clears you don’t specifically need to sand in between coats. Often the TDS will say to spray another coat while the previous one is still tacky and not dry in order to achieve that chemical bond. If you have any big problems such as dirt or a bug you can let the coat dry, sand out the problem and then put following coats on top. Although the previous coat has dried, because you have sanded you now have a mechanical bond and you’re off and rolling again.
    With both 1k and 2k I have learned I’m generally better off ignoring most dirt that lands in any coat and carry on. Because I finish them with a lot of sanding and polish, pretty much all of the dust disappears.
    There’s obviously a lot to the application to achieve a perfect clear coat (something I’m still learning to try and achieve)! But I have learned that it is more forgiving than you think.
    The only time I have had any problem that I can’t correct is by putting too much clear coat down too quickly and have it wrinkle or bleed to paint below.
    Feel free to message me if this post is confusing! Lol. There’s some very good videos on YouTube that explain things pretty well.
    As I said, this is my understanding which may be flawed. But hopefully some of it is helpful at least.


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    Last edited: Sep 10, 2021
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  18. twood

    twood Air-Valve Autobot! Very Likeable!

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    I would say you are pretty much bang on buddy....But I am in the same boat and am not what you call an expert...lol
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  19. Mike115

    Mike115 Mac-Valve Maestro! Very Likeable!

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    Incredibly detailed reply and it helps me massively mate, thank you.

    Going to try some more complex stuff next

    [​IMG]
    vw jetta 0 60

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  20. Mike115

    Mike115 Mac-Valve Maestro! Very Likeable!

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    Quick question my bros

    Can I use water based candy paint like createx c02 on carbon fibre? And then use a solvent 2k clear top?

    Thanks all

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