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First impression procon boy ps-270 Mr. Hobby GSI Creos

Discussion in 'Airbrushes' started by Robbyrockett2, Nov 3, 2017.


  1. Robbyrockett2

    Robbyrockett2 Air-Valve Autobot! Very Likeable!

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    Mr. Hobby GSI Creos Procon boy ps-270.
    This thing has more names and titles than the Queen of england.

    The case is just some cheapo hard plastic case
    But the foam insert is nice. Its a hard foam on top over soft foam on bottom. Holds everything nicely in place but its very easy to pull out.

    Comes with a little cleaning brush set although that was outside of the box in the package so that may just be a little extra from spraygunner. With the stiff sharp hard metal wires that stick out of the end of these suckers and the rather large diameter I don't think these things are going anywhere near my brush.

    19700126_224437.jpg


    The finish is beautiful! very very near flawless except for the trigger stem, a bit of visible machining marks . The cap is actually a satin chrome finish unlike the rest of the brush. The inside of the cup and the area the needle passes over couldn't be much smoother without actually being polished to a shine.
    Same goes for the needle!

    19700126_225253.jpg

    The nozzle protrudes ever so slightly from the air cap and is well centered. It can look very slightly off in the pic from shadows or angle, tried my best. But looking through a 10x loupe I couldn't see any issue. The gap between air cap and nozzle is super tiny.

    19700126_224732.jpg 19700126_224544.jpg 19700126_225350.jpg

    The order of the day for removing the head.... 11mm wrench.
    It's a 3 hole head and the first thing I notice after removing it is the little bits of magic marker thats been cut away at the end of the stem, ,inside the head near the holes, and in the brush body on the face of it. To me this indicates some very precise machining going on. Basically you machine the parts until theres no detectable flaws with standard measuring equipment, then stain it with a magic marker and take your final super light passes until at least 50% is gone. This tells you it's basically accurate to within roughly the film thickness of a permanent marker, whatever that is.... It's really thin i'll say that. You can make metal to metal sealing surfaces with no need for a gasket at that level.
    19700126_224807.jpg 19700126_224949.jpg

    The trigger and chuck and spring have a light coat of some kind of super slick lube on them.
    The rocker moves very smoothly on the chuck with no catchy spots like the chinese stuff or the krome had.
    All of the threading on this is smoother as well. The trigger has a little quirk. If you notice theres a little cutaway "dent" on one side of the stem. It would be very easy to install backwards. So easy in fact that it was backwards when i got it. Which caused the trigger to rise up and un-trigger the air slightly near the end of the trigger pull. That divot needs to go to the rear.

    So how does it feel and paint?
    The air valve spring was a little catchy at first but smoothed out after being used. The MAC valve was really tight feeling all the way out the first time i unscrewed it but it smoothed right out after being moved through its range once. The trigger still has a little quirk. Installed correctly the back end of the top actually hits the brush body in the last maybe 5% of the trigger pull. The trigger is super smooth ,a little smoother and good bit less sloppy than the krome. Trigger spring is very soft but consistent. Air valve spring is probably just a touch stiff in relation to the trigger spring if that makes sense. It's very light compared to the krome and feels quite dainty. I do find myself using the Mac valve as a forward, second hand grip because it feels so dainty.

    All the refernces to the krome are compared to the .21 setup
    It takes a lot more reduction than the krome and yet is still almost blowout proof even at higher psi. I suspect it's because of the teeny gap between the needle and air cap. The lines are much cleaner and the atomization much better than the krome. Goes out to a bit wider spray pattern than the krome. Fades are softer, probably because of the higher reduction it favors. Control is better though it does have a spot in the trigger pull where the amount of paint jumps up a little abruptly at about 2-3mm of pull. I get almost as small of lines that are much cleaner. This will probably get even smaller as I figure out reductions since i can hold those lines and paint a hairline a a couple of laps around the perimeter of A4 paper with no problem.

    20171102_205903 (1).jpg
    So far what do I think about It?
    It's absolutely fantastic!!
    Any complaints.....The trigger could be about .030" or .75mm taller though i'm rarely at 95 to 100% trigger pull so it's not a huge deal.

    Id like to know what this chart Is talking about on the upper left...... this is on the back of the box.
    Photo on 11-2-17 at 8.47 PM.jpg
    Last edited: Nov 3, 2017
    DaveG, NEMOPa and Leakyvalve like this.
  2. Robbyrockett2

    Robbyrockett2 Air-Valve Autobot! Very Likeable!

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    Any observations you can make on what I've gathered so far @DaveG ?
  3. Robbyrockett2

    Robbyrockett2 Air-Valve Autobot! Very Likeable!

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    I should add. The head was screwed on just barely tighter than i could loosen with my fingers. Which in my mind is just about right for any smallish precision stuff. So this looked good on the quality as well.
  4. Robbyrockett2

    Robbyrockett2 Air-Valve Autobot! Very Likeable!

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    and i forgot the trigger pic. This shows the little dent that needs to be to the rear.
    19700126_225131.jpg
  5. Jurien72

    Jurien72 Have Airbrush - Will Travel! Very Likeable!

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    Wow looks like a nice airbrush, and sounds well manufactured too. How much was it?
  6. Robbyrockett2

    Robbyrockett2 Air-Valve Autobot! Very Likeable!

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  7. Robbyrockett2

    Robbyrockett2 Air-Valve Autobot! Very Likeable!

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    I just got it today, but so far it seems pretty killer
  8. Jurien72

    Jurien72 Have Airbrush - Will Travel! Very Likeable!

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    90 bucks? sweet! $30 was spent printing the name on the box lol. I'd love to know what a Procon Boy is.
  9. Robbyrockett2

    Robbyrockett2 Air-Valve Autobot! Very Likeable!

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    Yeah no idea where that name comes from.
  10. Jurien72

    Jurien72 Have Airbrush - Will Travel! Very Likeable!

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    Do you have a pic of the brush all put together?
  11. Robbyrockett2

    Robbyrockett2 Air-Valve Autobot! Very Likeable!

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    Yeah I just didnt throw any up there cuz you can see better pics then I can take on amazon. Theyve got some good shots of it, and they have that little zoom in bubble.
    https://www.amazon.com/GSI-Creos-Pr...coding=UTF8&psc=1&refRID=2KP9QBEEE3TB915JMXQE

    If that works that's mine. I'm still not sure if these links work when i am logged in.
    Theres also a .3 version (289) both with and without mac valves.
    I steered clear of the other versions because they either had fixed heads or spray gunner didnt offer parts specicically for it.
  12. Robbyrockett2

    Robbyrockett2 Air-Valve Autobot! Very Likeable!

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    Made in japan.
    20171103_010216.jpg
  13. Leakyvalve

    Leakyvalve Mac-Valve Maestro! Very Likeable!

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    What is the system they use for the needle packing?
  14. Robbyrockett2

    Robbyrockett2 Air-Valve Autobot! Very Likeable!

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    And i'd toss the whole hose setup that comes with these. It's propietary and looks very similar to bagder but is close enough to easily end up cross threading your badger stuff if you accidentally tried to use it.
    And if you have no badger stuff well , Either way it's junk.
  15. Robbyrockett2

    Robbyrockett2 Air-Valve Autobot! Very Likeable!

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    Needle packing is teflon in a threaded barrel. Looks very similar to Iwatas IWS-1257 they use on half their line. Looks very similar is all I know. But i actually ordered one to see :)
  16. Robbyrockett2

    Robbyrockett2 Air-Valve Autobot! Very Likeable!

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    One other note i kind of missed. The spraying distance I can do those super thin lines at is probably 2-3 times as far from the paper as the krome.
  17. Leakyvalve

    Leakyvalve Mac-Valve Maestro! Very Likeable!

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    How is the throttle response?
  18. Robbyrockett2

    Robbyrockett2 Air-Valve Autobot! Very Likeable!

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    It's almost perfect ...for me. Other than that one abrupt jump i mentioned. That may clear up though as I either figure out the reductions better or it gets a little "break-in". I really don't know yet
  19. Robbyrockett2

    Robbyrockett2 Air-Valve Autobot! Very Likeable!

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    Just keep in mind my experience level with these things is very low.
  20. Robbyrockett2

    Robbyrockett2 Air-Valve Autobot! Very Likeable!

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    And props to spraygunner. I ordered this from them through amazon because for some reason its $20 less that way but they shipped it out like Right Meow!

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