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Micron head variations

Discussion in 'General Airbrush Discussion' started by J000seph, Jun 10, 2018.


  1. J000seph

    J000seph Detail Decepticon! Very Likeable!

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    I am interested in your thoughts about the micron head design. Here are the three micron heads produced by Olympos:
    405C37E9-3492-44AD-8498-EE924003C5BF.jpeg

    Here is a picture of the micron heads from my Iwata CM-C+ (left), and my Olympos MP-200C (right). Ignore how dirty mine look.
    FC852B4A-CD3B-41F1-A6F1-9A63A0CCF0CC.jpeg

    My Olympos is the L3 design. My Iwata looks like the S3 design. The Olympos website states that the differences are subtle. I disagree. I think the difference is very noticeable. The psi and performance are very different. I can even hear the difference if I were blindfolded.

    I know several members here own, or have tried both styles. What do you think? Any preferences?

    @DaveG which head design is the GSI Creos PS-770?

    To me, the L3 is the louder, higher psi of the two. I think it is also a more narrow cone spray also. Whereas the S3 is more delicate.
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  2. Robbyrockett2

    Robbyrockett2 Air-Valve Autobot!

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    theres a variation or two in the older iwata vs newer as well.
    No idea the details but i know one has to do with threads on the backend of the aircap , something i saw dave show here
    Last edited: Jun 10, 2018
  3. DaveG

    DaveG Detail Decepticon! Very Likeable!

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    Joe, the S, L designations are for "small" and "large" hole head design. To differentiate between them, you must measure the physical size of the 3 holes. On the Olympos heads the size difference is pretty visible. I am not 100% sure that size difference carries over to the new Iwata production, especially now that they have gone to V2. Iwata changed the angles of the nozzles, and needle tips as well.

    That being said, my first Micron, an Olympos MP200B marketed as an Iwata, is a one hole head. It is super soft to use, and really, really quiet. I have not had great luck with either of the 3 hole heads on Olympos (I would choose the s3 first , though), as I prefer the Iwata version of the head. Much of this will be down to personal preference, as I know plenty who prefer it the other way around... The Creos PS770 is identical in proportion to the V2 Iwata.
    Last edited: Jun 10, 2018
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  4. DaveG

    DaveG Detail Decepticon! Very Likeable!

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    I should also point out - the "sound" produced by the heads is largely dependent on the size of the opening in the nozzle cap, or air cap and the nozzle tip. A very large gap produces a very soft sound, as does a very small gap. Somewhere in the middle, the sound can actually go up, as the air is rushing to make it through the gap... at least this is what I have seen when testing the spacing between air cap and nozzle.
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  5. Robbyrockett2

    Robbyrockett2 Air-Valve Autobot!

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    Just trying to understand this clearly...you're saying the right one in the second photo is not olympos but iwata? So he may have swapped the two...or just made a typo?
    Same with the middle one in the first photo bc of the boss on there
  6. DaveG

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    it would be my guess that it is either a typo, or they have accidentally been swapped at some point. Iwata introduced the larger diameter boss to the head design at some point after they started branding them themselves.


    Ooops, I take that all back - there is a difference between the .18 heads, and the .23's. The boss may be present on some Olympos .23 heads. One of mine has it, one does not...
    Last edited: Jun 10, 2018
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  7. J000seph

    J000seph Detail Decepticon! Very Likeable!

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    Yes, confusing. Maybe this will help:

    7718E8C5-3163-48C6-850A-9B3588021B52.jpeg
    B2FF9C4B-6DF1-47FE-AB66-EDCA8A600E64.jpeg

    Olympos head has 3 stripes. Iwata head has no stripes.

    Left is my two Iwata heads, right is my two Olympos heads.

    1436C184-6B90-4F8C-A714-B436F2B07823.jpeg
    BC42A4A6-6A14-480D-8B71-C5D0A3C04457.jpeg
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  8. Robbyrockett2

    Robbyrockett2 Air-Valve Autobot!

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    Soo.. 4 variations in olympos, 3 in Iwata?
    That we know of?
  9. Joe T

    Joe T Mac-Valve Maestro! Very Likeable!

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    Hope this isn’t a hijack but if one wanted Iwata parts for a ps770.they would use micron v2 parts? Man I have so much to learn about these things. I will say this thread is pretty interesting. Guess I’ll find out tomorrow what this ps770is all about
  10. Robbyrockett2

    Robbyrockett2 Air-Valve Autobot!

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    Why would you want to put on parts that are the same but way more expensive? Unless you have an Iwata dealer local
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  11. Joe T

    Joe T Mac-Valve Maestro! Very Likeable!

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    Very good point...but, just in case I can’t for some reason get the gsi parts..so, in case of an emergency type situation. I will however order parts I don’t even need ....yet, to just have them handy
  12. Robbyrockett2

    Robbyrockett2 Air-Valve Autobot!

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    As far as I have read you're looking at cm-b v2 needle and nozzle and aircap, any v2 head. hp-b+ seal (this one I checked), cm-c+ tension screw and I have no idea about trigger and air valve parts.
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  13. Joe T

    Joe T Mac-Valve Maestro! Very Likeable!

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    Why would it not be CM c v2head and needle. Sort of confused by your post. Sorry
  14. J000seph

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    Iwata CM-C and CM-C+ are .23

    Iwata CM-B and CM-SB are .18

    GSI Creos PS-770 is .18
    Last edited: Jun 11, 2018
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  15. Robbyrockett2

    Robbyrockett2 Air-Valve Autobot!

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    all cm v2 heads are the same part, otherwise what Joooseph said, Its .18 nozzle,needle,aircap so cm-b v2
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  16. erwin de pan

    erwin de pan Needle-chuck Ninja

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    Those of mine all look the same.
    All with 3 holes. No streaks on the aircab either.
    Only on that of the olympos aircab. I am confused.
    aircab (Large).jpg
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  17. Robbyrockett2

    Robbyrockett2 Air-Valve Autobot!

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    As I understand it;
    The aircaps that have a line are Olympos,Very old .18 Iwata, .23 Iwata

    I've seen lots of olympos heads both with and without the lines.....
    Best I can work out ? it seems like?...... All L3 heads have lines.
    The single hole and s3's I could find were all absent lines.
    Last edited: Jun 11, 2018
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  18. Robbyrockett2

    Robbyrockett2 Air-Valve Autobot!

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    Last edited: Jun 11, 2018
  19. DaveG

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    I think you are just looking at decades worth of very subtle production changes. Keep in mind, Olympos stopped production in the late 80's, and then had a very brief period of production in the early 2000's. It is unclear what was produced at that time, but I suspect it was simply the replenishing of consumables... like needles and nozzles. Iwata has never stopped producing or developing their brushes - or at least accepting the revisions in production from their supplier(s). I personally would not read too much into a line or lines grooved here or there... I think they are only there for the actual maker to quickly identify what "brand" part they are working on while working on more than one.
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  20. erwin de pan

    erwin de pan Needle-chuck Ninja

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    Okay so everything in my photo is S3.
    Iwata B / V1 0.18 - Iwata SB / V2 0.18 In addition to the olympos, S3 (0.23.)
    To make it more fun. The head set on the Iwata B (V1) is from Olympos (MP-200 A / B).
    With the exception of the norzle, there is no difference that I can see
    between these and that of Iwata.
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