NEW: What size pads do you use? (Updated 2009) - Page 2

View Poll Results: What size pads do you use on a regular basis? DA and rotary

Voters
77. You may not vote on this poll
  • I like to use the tried and true 6.5 inch pads

    19 24.68%
  • I love the new 2.0 7 inch pads and use them most

    19 24.68%
  • Give me the old school 8 inch pads please!

    2 2.60%
  • I can't live without my 3.5 or 4 inch small pads!

    11 14.29%
  • I like my pads big (6.5/7 inch) AND small (3.5/4 inch)

    25 32.47%
  • I use and NEED them all: 3.5/4/5.5/6.5/7/8 inch

    11 14.29%
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Thread: NEW: What size pads do you use? (Updated 2009)

          
  1. #11
    Registered Member john m.'s Avatar
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    Re: NEW: What size pads do you use? (Updated 2009)

    I voted use them all, I am waiting on the smaller backing plate and pad for smaller areas, use some 6.5 lake country, and also waiting on a few meguiars 2.0 7" pads. So I will be varying my usage

  2. #12
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    Re: NEW: What size pads do you use? (Updated 2009)

    After using 5.5" pads on the PC, I'll never use a larger pad. 4" and 5.5" pads on the PC
    Where do you buy those pads and backing plate? Can you really do a lot more correction with 4" on DA? i know the smaller pad on the DA is more aggressive and the bigger pad on the Rotary the more aggressive.

  3. #13
    Armed w/105 and dangerous InfiniteDetail's Avatar
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    Re: NEW: What size pads do you use? (Updated 2009)

    Quote Originally Posted by H.E.D View Post
    Where do you buy those pads and backing plate? Can you really do a lot more correction with 4" on DA? i know the smaller pad on the DA is more aggressive and the bigger pad on the Rotary the more aggressive.
    Autogeek sells both the 3.5" DA Backing plate and 4" pads

  4. #14
    Registered Member BobbyG's Avatar
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    Re: NEW: What size pads do you use? (Updated 2009)

    Most of the pads I use are in the 6 to 6.5 range. This size allows me better control during paint correction and is just right for 95% of the situations I encounter.
    BobbyG

  5. #15
    Star Kicker TOGWT's Avatar
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    Re: NEW: What size pads do you use? (Updated 2009)

    Foam Pad Size (Area and Applied Pressure)

    Different pad sizes can have an impact on how the buffer breaks down a polish, as it applies its dynamic friction over less area, control, better manoeuvrability, and how fast you can cover an area. Smaller pads in general will offer you more control with any buffer, as it can reduce the tendency for the buffer to hop or skip on the paint. Smaller pads also make it easier to manoeuvre buffers in tighter areas and closer to trim pieces.

    Smaller pads in general will offer you more control, as it can reduce the tendency for the buffer to skip on the paint surface. Smaller pads also make it easier to manoeuvre in tighter areas and closer to trim pieces.

    Assuming equal speed, radius and foam compression (50% - 15 pounds of force applied) the difference between 4- inch and 6 - inch pads is their different surface area = π (r2) (4-inch = 12.46 sq.ins / 6-inch = 28.26 sq.ins) and therefore surface kinetic (or dynamic) friction applied and surface pressure applied 4-inch = 3.75 lbs per sq.ins. 6-inch = 2.5 lbs per sq.ins.
    ~ Providing unbiased advice that Professional and Enthusiast Detailer’s Trust ~ Blog – http://togwt1980.blogspot.com

  6. #16
    Sr. Global Product & Training Spec Michael Stoops's Avatar
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    Re: NEW: What size pads do you use? (Updated 2009)

    All else being equal ("all else" meaning pad foam construction, tool speed, pressure, arm speed, liquid used, temp, humidity and the paint itself), a smaller pad on a D/A polisher will be more aggressive than a larger pad. A small pad on a D/A will concentrate all the energy into a smaller area.

    The opposite is true with a rotary buffer since speed plays a huge role. As a rotating circle gets bigger the velocity increases as you approach the outer reaches of the diameter. The rpm does not change, but the farther you go from the center axis the more distance you have to cover for one revolution, so the outer edge of the pad is moving faster than any other point on the pad. It follows, then, that a larger pad will provide more maximum velocity for the same rpm than a smaller one will, and with speed comes cutting power. So, on a rotary, a smaller pad will actually provide less cut than a larger pad - all else being equal.

    It should also be noted that a pad with a contoured face will provide less cut than a pad with a flat face - all else being equal. This holds true for both D/A and rotary buffers. It's a simple matter of surface area in contact with the paint.
    Michael Stoops
    Senior Global Product & Training Specialist | Meguiar's Inc.

    Remember, this hobby is supposed to be your therapy, not the reason you need therapy.

  7. #17
    Corvette Crazy Detailer RDVT4ME's Avatar
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    Re: NEW: What size pads do you use? (Updated 2009)

    I just keep finding more and more reasons to use those new 4 inch pads. They are a great addition to the tool kit.
    -Bob
    NXTti graduate, Meguiars Ford/SEMA Team

    "All Corvette's are red, the rest are mistakes" - John Heinricy (Corvette Engineer)

  8. #18
    Registered Member l SIC l's Avatar
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    Re: NEW: What size pads do you use? (Updated 2009)

    I'm just trying to be certain on these things, as we have to pay 'a lot' for our Meguiar's products at this end of the globe!!! so any information at all would really be a great help and I appreciate it:

    As I just purchased a 'Kestrel DAS-6 D/A', the specs are as follows;

    Specifications:

    • Orbit Size: 8mm
    • Backing Plate Thread Size: 5/16" (same as Porter Cable, G220 and UDM's)
    • Variable 6 Speed Dial: 2,500 to 6,500rpm
    • Removable side handle (left or right side of machine)
    • Weight - 2.3kg (approx)
    • Supplied Velcro Backing Plates Size: 125mm ( 5” )
    • Fits 5", 6" and 6.5" polsihing pads


    My questions are (and sorry in advance for my lack of knowledge!):

    1) Will the 'Meguiar's 6.5" foam 2.0 pads' be a direct fit to my new D/As current backing plate or does it have to be a Meguiar's specific 6.5" backing plate? and can I use a 'Meguiar's 3" backing plate' on my new D/A?

    2) Should I just buy [4x each; red, black and yellow pads - as they would fit my current backing plate] to rely on detailing my families cars? or should I mix it up and buy a 3" or 3.5" (please advise which would be the better option) backing plate and get [2x each; 6.5" red, black and yellow pads] and also [2x each; 4" red, black and yellow pads]?

    *Take into account I have spent nearly $1000 in Meguiar's products in the last couple of weeks (not including my new D/A in that price either!) so I can't really afford to spend too much more at the moment .*


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