Weight Transfer
Weight Transfer (Lateral & Longitudinal)
ΔW = (h × a × m) ÷ t
Where: ΔW = weight transfer (lbs) h = center of gravity height (inches) a = lateral acceleration (G) m = vehicle mass (lbs) t = track width (inches)
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Types of Weight Transfer
Three Main Types:
- • Lateral Weight Transfer: Side-to-side during cornering
- • Longitudinal Weight Transfer: Front-to-rear during acceleration/braking
- • Combined Transfer: Both lateral and longitudinal simultaneously
This calculator focuses on lateral weight transfer, which affects cornering balance and tire loading.
Understanding Weight Transfer
Weight transfer is the redistribution of vehicle weight during dynamic maneuvers. It directly affects tire loading, traction, and vehicle balance, making it crucial for suspension tuning and handling optimization.
Benefits:
- • Enables precise suspension tuning and setup
- • Helps optimize anti-roll bar settings
- • Predicts tire loading and wear patterns
- • Essential for race car balance optimization
- • Guides spring rate and damping decisions
Key Considerations:
- • Excessive weight transfer can cause loss of grip
- • Higher center of gravity increases transfer rates
- • Affects understeer and oversteer characteristics
- • Influences tire pressure and temperature management
- • Must balance performance vs. comfort requirements