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  1. #1
    Director of Training Mike Phillips's Avatar
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    Rupes 5 Inch 2000 & 3000 Grit Sanding Discs

    Rupes 5 Inch 2000 & 3000 Grit Sanding Discs


    Tested out the Rupes Sanding Discs using the Rupes Duetto and took some pictures to show them in action.






    Rupes 5" Interface Pad
    This goes between the backing plate and the sanding disc to provide flexible cushion which helps the face of the sanding disc to maintain uniform surface contact when sanding curved panels. It can also help reduce the aggressiveness of the sanding action.







    Misting some water from a clean sources onto the panel...





    The #2000 disc on the 12 millimeter orbit stroke Duetto cuts fast!





    The #2000 sanded the panel down very fast...












    D.O.I. = Distinction of Image
    How well or clear an image is reflected.

    Now take note of the DOI of the reflected florescent tube light on the panel.







    Sanded clear paint turns white





    Re-sand one half with #3000




    Sanded...







    Less cut = less paint build-up on the sanding disc....





    Gloss and reflectivity coming back. - D.O.I. increasing
    The side sanded with the #3000 Grit Rupes Sanding Disc will sand out faster and easier while keeping paint temperature lower.





    #2000 Grit Side




    #3000 Grit Side





    Ready to re-sand the #2000 grit side and then buff-out the sanding marks.





    The Rupes Sanding Discs are similar to the Mirka Abralon Sanding discs in form and function. I like the 5" diameter size as it makes these discs more usable for thin body panels as compared to the industry standard of 6" diameter.



    On Autogeek.net


    Rupes Polishers, Polishes and Pads



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  2. #2
    Senior Member Andr3wilson's Avatar
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    To be honest I was kind of surprised they came out with the duetto as a sander. 12mm throw is huge.. Most sanders are around the 2-5mm. Super aggressive tho.

  3. #3
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    Re: Rupes 5 Inch 2000 & 3000 Grit Sanding Discs

    I am wondering, since the Rupes throw is much larger allowing for more aggressive cutting action through increased speed, if this won't be recommended only for more experienced users? Seems like a quicker way for those less experienced to make mistakes. I would like Mike's comments in that regard.
    Bill

  4. #4
    Senior Member Tato's Avatar
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    Re: Rupes 5 Inch 2000 & 3000 Grit Sanding Discs

    Hi, thank you for this another exciting topic.

    Which was the speed of choice for sanding with this kit? Can you describe a little how was your technique?

    Can't wait to see the 3000 grit side polished to a high gloss, maybe with Rupes MF pads and polishes? Should be great.

    What about polishing one side with Rupes MF and other with Rupes Foam Pads?

    It would be great to hear your considerations.

    Thank you again,


    Kind Regards.
    “Nature is pleased with simplicity. And nature is no dummy”

    ― Isaac Newton

  5. #5
    Senior Member Mike@DedicatedPerfection's Avatar
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    Re: Rupes 5 Inch 2000 & 3000 Grit Sanding Discs

    Thanks for putting this together Mike.

    Looks like the whole RUPES system is a well thought out systematic approach in everything paint related.

  6. #6
    Senior Member JSou's Avatar
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    Re: Rupes 5 Inch 2000 & 3000 Grit Sanding Discs

    Phenomenal. Want.

  7. #7
    Director of Training Mike Phillips's Avatar
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    Re: Rupes 5 Inch 2000 & 3000 Grit Sanding Discs

    Quote Originally Posted by Andr3wilson View Post

    To be honest I was kind of surprised they came out with the duetto as a sander. 12mm throw is huge.. Most sanders are around the 2-5mm. Super aggressive tho.

    Meguiar's Unigrit Sanding and Finishing Discs are designed for use with tools like the Porter Cable and the Meguiar's G110v2 dual action polishers.

    These have a 8mm orbit stroke or basically a 5/16" stroke.

    Most finishing sanders are smaller in stroke, like 3/16".


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  8. #8
    Director of Training Mike Phillips's Avatar
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    Re: Rupes 5 Inch 2000 & 3000 Grit Sanding Discs

    Quote Originally Posted by Hoytman View Post

    I am wondering, since the Rupes throw is much larger allowing for more aggressive cutting action through increased speed, if this won't be recommended only for more experienced users?
    Definitely helps to have any kind of wetsanding experience...

    Here's the real issue... this #2000 grit sanding disc on the Duetto cut like son of gun! I mean it cut fast!


    The only time you would catch me using the #2000 grit would be on a custom paint job, that is a car that was painted at a local body shop by a custom painter that KNOWING the car is to be wetsanded was paid extra money for the below three things and thus sprayed extra paint on the car.
    • Time
    • Labor
    • Materials

    By doing this, the guy doing the sanding has some film-build to work with and a level or measure of safety margin.


    "It's all about the film-build"


    I would also ask the car owner if the painter is available to talk to and then drill-down, that is call the painter and ask him how much paint he sprayed? Also ask if he are anyone at his shop sanded and buffed the paint because this means they've already removed paint before I get my hands on it.

    As for a factory finish, if someone wants to sand down factory paint the first question I ask is,

    Why?

    Once all the reasons are established then it's time to talk about #3000 Grit or #5000 Grit or CarPro Denim Orange Peel Removal Pads, not #2000 grit sanding products.



    Quote Originally Posted by Hoytman View Post

    Seems like a quicker way for those less experienced to make mistakes. I would like Mike's comments in that regard.
    Using a more aggressive sanding paper by hand or sanding disc by machine is always risking when working on a factory finish because a factory finish is,

    • Thin
    • Hard
    Sanding is easy... that's putting scratches into the paint... the tricky part is getting them out without making a mistake...

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  9. #9
    Director of Training Mike Phillips's Avatar
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    Re: Rupes 5 Inch 2000 & 3000 Grit Sanding Discs

    See the sanding marks removed here...

    Rupes Microfiber Cutting Disc with Rupes Zephir Gloss Coarse Gel Compound

    Here's the Rupes Zephir Gloss Coarse Gel Compound and the new 6" Blue Microfiber Cutting Disc on the new Rupes Duetto 12 mm orbital polisher.






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  10. #10
    Senior Member Andr3wilson's Avatar
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    Re: Rupes 5 Inch 2000 & 3000 Grit Sanding Discs

    Quote Originally Posted by Mike.Phillips@Autogeek View Post
    Meguiar's Unigrit Sanding and Finishing Discs are designed for use with tools like the Porter Cable and the Meguiar's G110v2 dual action polishers.

    These have a 8mm orbit stroke or basically a 5/16" stroke.

    Most finishing sanders are smaller in stroke, like 3/16".


    Correct!

    I feel for levelling something it would speed the job up nice.

    Person I block by hand more than machine, I just like the feel. Typically not doing large areas either (spots, nibs, etc)

    Although the one element I need to ask, how does it feel compared to a palm style sander? More down to user preference I guess, but how did you find it to the comparable RUPES palm sander?

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