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GTL Setup Event – Tue 30th October 2012

Discussion in 'GT Legends' started by Knut Omdal Tveito, Oct 22, 2012.

  1. Knut Omdal Tveito

    Knut Omdal Tveito
    Premium Member


    Mods: Main mod pack ( Download ) + Soundpack ( Download )
    Track: Skidpad ( Download ) + Zolder ( Default track )

    Event start: 20.00 GMT

    Note 1: You will need to use Teamspeak for this event. If you don’t have a microphone you can still use Teamspeak to follow the event by listening, and I will keep an eye on the in-game chat where you can join in on the discussions and ask questions. ( Teamspeak setup guide )
    Note 2: We will also use Xd for the setup testing ( Download here )
    Note 3: To display the front wheels in cockpit view open your PLR file and set Wheels Visible In Cockpit="1"
    Note 4: Please pick car number 1 for the event

    Server password: click here
    Racing rules: click here

    Entry List:
    1. Knut Omdal Tveito
    2. Hans Sneep
    3. Rupe Wilson
    4. Tim Ling
    5. Roland Warmenhoven
    6. Jack Smith
    7. Peter van Zanten
    8. Jacob Boonstra
    9. Ian Strom
    10. Senad Subasic
    11. Ondrej Kapal
    12. Dmytro Botnarenko
    13. Arnaldo da Anunciação Junior
    14. Markus Hakamo
    15. Driver
    16. Driver
    17. Driver
    18. Driver
    19. Driver
    20. Driver
    This is being held in our Club, using Club Rules, and should be driven in that spirit.
  2. Knut Omdal Tveito

    Knut Omdal Tveito
    Premium Member

    Event Schedule:

    The event will be divided into 7 sections.

    1.First adjustments:
    a. Steering lock​
    b. Gearing​
    c. Fuel​

    2.Handling, Steady state balance (Skidpad, smooth surface)
    a. Springs​
    b. Anti-roll bars​
    c. Ride-height​

    3.Tyre grip
    a. Tyre pressure​
    b. Camber​
    c. Caster​
    e. Suspension types​
    4.Handling over bumpy surfaces (Skidpad, bumpy road and step/ramp)
    a. Springs​
    b. Dampers​

    5.Turn-in and direction changes (Zolder default track)
    a. Springs​
    b. Dampers​
    c. Brake-bias​
    d. Toe-in​

    6.Combined acceleration/braking and cornering (Skidpad and Zolder)
    a. Dampers​
    b. Differential locking​
    7.Free driving and continued discussions
    • Like Like x 6
  3. Knut Omdal Tveito

    Knut Omdal Tveito
    Premium Member

    Setup definitions

    Suspension/wheel movement (Rebound and Bump travel)

    Toe, Camber and Caster angle:
    • Like Like x 3
  4. Knut Omdal Tveito

    Knut Omdal Tveito
    Premium Member

    Suspension characteristics

    Camber change due to Caster angle
    A high caster angle results in increasing camber as you turn the front wheels (an easy way to visualize this is to look at motorcycles and think what happens with the camber when you turn the front wheel). Below is a top-view of a BMW front suspension with 10 degrees Caster. As full steering lock is applied the camber increases to +6.6 and -5.8 degrees for the left and right wheels respectively.

    Camber change due to suspension movement
    While driving on track the suspension moves in bump and rebound and the car rolls and pitches. As a result, the camber is very dynamic and can change significantly in both pure Bump/Rebound and as the car rolls. In the figure below, the Camber of the left and right wheels (written in red color) are shown for different suspension types. The camber is zero at rest for all the examples and the camber change is shown for two different cases, 7 cm Bump travel and 4 degrees roll angle.

    Note that there is no camber change for a Live rear axle while for Strut and Trailing arms the camber changes almost the same as the roll angle. With a double wishbone suspension the camber is partly recovered and the the camber of the outside wheel has less camber loss compared to Strut and Trailing arms.

    (Pictures from Performance Trends Suspension Analyzer)​
    • Like Like x 5
  5. Knut Omdal Tveito

    Knut Omdal Tveito
    Premium Member

    Weight Transfer
    During braking, acceleration and cornering the weight is transfered in the direction of the acceleration.​
    • Braking: weight is transfered to the front​
    • Acceleration : weight is transfered to the rear​
    • Cornering: weight is transfered to the outside wheels​
    The weight transfer in braking/accel is less than half compared to cornering.
    The total weight transfer is determined by the height of the centre of gravity and the track:​
    ----> The only way to reduce the total weight transfer is to reduce the centre of gravity by reducing the ride-height
    Effect of weight transfer on tire grip
    The grip is at its optimum when the load is distributed evenly on all tyres (0% weight transfer).​
    ---> Any weight transfer will reduce the overall grip of the car.
  6. Hans Sneep

    Hans Sneep
    Premium Member

    I will be there !:cool:
  7. Rupe Wilson

    Rupe Wilson
    Keep Yoga real Premium Member

    The car looks amazing Knut... yes please Sir ...:notworthy::notworthy::notworthy:
  8. Tim Ling

    Tim Ling
    It's a million-to-1 chance, but it just might work Premium Member

    Yes please sensei!
  9. Roland

    Premium Member

    Yes please!! :notworthy:
  10. Jack Smith

    Jack Smith
    Premium Member

    Sign me up please.
  11. Yes pls;) I hope its help.
  12. I need that, Yes! :D
  13. Rui F. Martins

    Rui F. Martins
    Premium Member

    aproximately how long will this event be? it would be very helpfull for me, because i don't understand very much about stting up, especially in these cars, but if the event last for 2 or 3 hours i won't be able to do it entirely
  14. Please sign me up.
  15. Knut Omdal Tveito

    Knut Omdal Tveito
    Premium Member

    • Like Like x 4
  16. Knut Omdal Tveito

    Knut Omdal Tveito
    Premium Member

    Will aim at around 2 hours but will probably go a little later than that. I will be on the server for another hour at least.
  17. Roland

    Premium Member

    :D He had me worried a bit too at first, 'even start 20:00 GMT' would mean going way past midnight here, but then I remembered DST ends this weekend.:thumbsup:
    • Like Like x 1
  18. Roland

    Premium Member

    BTW I forgot to say, that is one sweet looking ride Knut!!:inlove:

    And a very well-thought-out, appropriate exhaust design:laugh::roflmao:
    You guiding us, the unlearned. It reminds me of my daughter's:[​IMG]:p
    • Like Like x 4
  19. I do this reluctantly (missed quite a few recently, I am sorry), but I would like to attend if possible.
    • Like Like x 1
  20. I wont miss this one, put me there, please