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Thread: effective rotor radius

  1. #1

    effective rotor radius

    Hi guy,

    I am having a problem with this formula for effective rotor radius
    The first says effective rotor radius : rotor dia/2 - caliper piston dia/2
    Here is the link below
    https://takemebeyondthehorizon.wordp...-5-an-example/
    The 2nd says effective rotor radius : D+d
    -------
    4
    Where D = rotor outside dia
    Where d = rotor inside dia
    Here is the link as well
    http://www.engineeringinspiration.co.uk/brakecalcs.html
    Which is correct?. Thanks.

  2. #2
    Hey Adekunle,

    I suggest deriving the formules on these pages yourself before just copying them. This will give you a greater understanding of what you are doing and will make you understand the different assumptions these people made.
    Furthermore you posted this in the wrong part of the forum and neglected to introduce yourself. If you want people to put effort in to helping you, you'll have to show some effort yourself too.

  3. #3
    Quote Originally Posted by koekebakker View Post
    Hey Adekunle,

    I suggest deriving the formules on these pages yourself before just copying them. This will give you a greater understanding of what you are doing and will make you understand the different assumptions these people made.
    Furthermore you posted this in the wrong part of the forum and neglected to introduce yourself. If you want people to put effort in to helping you, you'll have to show some effort yourself too.
    Pls forgive my manners, my name is adekunle, am a nigerian, a graduate of mech engineering(2014/2015 session) n preparing for my masters study, I want to make fsae part of my study project.

    Well i have searched for such derived formulas bt cud find thats y I posted

    Pls tell mr where i should have posted this thread. Thanks

  4. #4
    Senior Member
    Join Date
    Dec 2009
    Location
    PERTH, Western Australia
    Posts
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    What he is saying Adekunle, is that as an engineer you should be able to draw a free body diagram and derive your own equations to describe the situation.

    Post probably should have ended up in the general FSAE discussion section.
    ex-UWA Motorsport

    General team member 2013-15, Vehicle Dynamics Team Lead 2012
    Project Manager 2011, Powertrain minion 2009/10

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