Braking at high speed vs low speed.

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SUMMARY

The discussion centers on the dynamics of wheel lock-up during braking at different speeds, specifically comparing 130 mph and 30 mph. Key points include that while the braking force available is theoretically similar at both speeds, the energy required to decelerate from higher speeds is significantly greater, leading to increased brake temperatures and potential component failure. Participants emphasize that effective braking requires adjusting pedal pressure as speed decreases to maintain constant deceleration, highlighting the importance of understanding slip ratios and the relationship between braking force and tire grip.

PREREQUISITES
  • Understanding of basic vehicle dynamics and braking principles
  • Familiarity with slip ratio and its impact on braking performance
  • Knowledge of the coefficient of friction and its temperature dependence
  • Experience with threshold braking techniques
NEXT STEPS
  • Research the relationship between slip ratio and braking force in vehicle dynamics
  • Study the effects of brake temperature on performance and component longevity
  • Explore advanced braking techniques, including threshold braking and anti-lock braking systems (ABS)
  • Investigate aerodynamic effects on braking performance at high speeds
USEFUL FOR

Automotive engineers, racing drivers, and anyone interested in understanding the physics of braking and vehicle dynamics, particularly in high-performance scenarios.

  • #31
agreed and yes I did not go to production psi as power booster not used on our race cars..good points though!
 

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