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  1. #1
    Join Date
    May 2007
    Posts
    317

    Default What Exactly is Sidebite?

    Thought I knew. After reading some posts, now I'm not sure. Is it only sideways grip on throttle? Is it only related to the rear of the car? Or is it when you throw the car into the corner whether it skates sideways?

  2. #2
    Join Date
    Nov 2007
    Posts
    509

    Default

    We banned that word from our team.It seems like it means some thing different to everybody.

  3. #3
    Join Date
    May 2007
    Location
    PA
    Posts
    844

    Default

    It is a term used for RR grip while in a sliding or YAW motion. More sidebite the more the RR is pinned and not sliding sideways as much. A low or no sidebite condition can make the car feel like a 4 wheel slide when your chasing it up the track (loose) and you have to wait to pick up the throttle. Also remember the tire only gives so much grip weather side or forward, there is a fine balance.
    Last edited by fast_crew; 10-30-2010 at 08:33 PM.
    Josh K.

  4. #4
    Join Date
    Nov 2009
    Location
    Glennville, GA
    Posts
    745

    Default

    Quote Originally Posted by fast_crew View Post
    It is a term used for RR grip while in a sliding or YAW motion. More sidebite the more the RR is pinned and not sliding sideways as much. A low or no sidebite condition can make the car feel like a 4 wheel slide when your chasing it up the track (loose) and you have to wait to pick up the throttle. Also remeber the tire only gives so much grip weather side or forward, there is a fine balance.
    This is how I always understood it. Or maybe its when you bit the inside of your cheek when you are chewing gum.....

    Here are a couple links that discuss a little about the traction circle.
    http://hogantechnologies.com/blog/20...action-circle/

    http://hogantechnologies.com/blog/20...circle-theory/
    Crew Chief "Tip of the day":
    Most handling problems can be solved by adjusting the screw-ball. It can be difficult to fine tune at times. Explaining yourself loudly and striking it on top of the helmet with a dead blow hammer usually works well.

  5. #5
    Join Date
    Mar 2010
    Posts
    272

    Default

    it is a term that gets tossed around loosely. i think the hogan traction circle theory pretty much sums it up. the problem with the term when used in a practical application is that is generally used to describe a situation concerning all 4 tires working together producing an effect, but should really be broken down into each individual corner of the car. kinda the same as "tight" and "loose".

  6. #6
    Join Date
    Nov 2009
    Location
    Glennville, GA
    Posts
    745

    Default

    Quote Originally Posted by JTSjet View Post
    it is a term that gets tossed around loosely. i think the hogan traction circle theory pretty much sums it up. the problem with the term when used in a practical application is that is generally used to describe a situation concerning all 4 tires working together producing an effect, but should really be broken down into each individual corner of the car. kinda the same as "tight" and "loose".
    I think he does break it down (sort of) to individual tires in the video. He talks about stretching the tire. You could easily apply that to a RR tire only for example. Hard to take that knowledge and apply it directly to your car though. You have no way of measuring tire stretch in mid corner. You could probably do it during test sessions on a dry track, taking tire temps.
    Crew Chief "Tip of the day":
    Most handling problems can be solved by adjusting the screw-ball. It can be difficult to fine tune at times. Explaining yourself loudly and striking it on top of the helmet with a dead blow hammer usually works well.

  7. #7
    Join Date
    Mar 2009
    Location
    Dogwood Illinois
    Posts
    701

    Default

    Sidebite is the traction capability of the RR tire when the car is in YAW on or off the gas.

  8. #8
    Join Date
    Aug 2007
    Location
    Festus
    Posts
    67

    Default Side bite

    Does this help?
    Attached Images Attached Images
    Last edited by CrumpRacing; 11-02-2010 at 02:04 PM.
    Jason Crump
    Crump Racing, LLC.

  9. #9
    Join Date
    May 2008
    Location
    Iowa/Oregon
    Posts
    234

    Default

    Side bite is not created by one tire.

    It is related to the lateral grip of the axle. If put all the rear weight on the RR tire, you will have less lateral grip that a car with more evenly loaded rear tires. This is easiestly explained by the Lateral Force vs Normal Load curve.



    Ghopper

  10. #10
    Join Date
    May 2008
    Location
    Iowa/Oregon
    Posts
    234

    Default

    Sidebite is felt by the driver as a combination of lateral and yaw acceleration. Remember that drivers can "feel" acceleration and time delay, not velocity.



    Ghopper

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