Calculate brake proportioning valve settings for front/rear brake balance based on line pressure and valve knee point.
Input Parameters
Results
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Rear Output Pressure
psi
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Pressure Reduction
%
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Rear Clamping Force
lbs
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Front/Rear Bias Ratio
Note: Proportioning valves reduce rear brake pressure above the knee point to prevent rear lockup. Adjustable valves allow fine-tuning for weight distribution and tire grip.
Reference
Below Knee: Rear Pressure = Input Pressure (1:1)
Above Knee: Rear = Knee + (Input - Knee) x Slope
Pressure Reduction = (1 - Rear/Input) x 100%
Rear Clamp Force = Rear Pressure x Caliper Area
Bias Ratio = Front Pressure / Rear Pressure