Side View Swing Arm Height Given Percentage Anti Dive Calculator

Formula Used:

\[ SVSAh = \frac{\%ADf}{\left(\%Bf \times \frac{1}{SVSAl} \div \frac{h}{b}\right)} \]

Percentage Anti Dive Front:

Percentage Front Braking:

Side View Swing Arm Length:

Height of CG above Road:

Wheelbase of Vehicle:

Side View Swing Arm Height:

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1. What is Side View Swing Arm Height?

Side View Swing Arm Height is the vertical distance from the wheel center to the upper pivot point of the swing arm in an independent suspension system. It plays a crucial role in determining the anti-dive characteristics of a vehicle's suspension during braking.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ SVSAh = \frac{\%ADf}{\left(\%Bf \times \frac{1}{SVSAl} \div \frac{h}{b}\right)} \]

Where:

\( SVSAh \) — Side View Swing Arm Height (m)
\( \%ADf \) — Percentage Anti Dive Front (%)
\( \%Bf \) — Percentage Front Braking (%)
\( SVSAl \) — Side View Swing Arm Length (m)
\( h \) — Height of CG above Road (m)
\( b \) — Wheelbase of Vehicle (m)

Explanation: This formula calculates the optimal swing arm height based on the vehicle's braking distribution, suspension geometry, and center of gravity position to achieve the desired anti-dive percentage.

3. Importance of Side View Swing Arm Height Calculation

Details: Accurate calculation of side view swing arm height is essential for optimizing vehicle suspension performance, ensuring proper anti-dive characteristics during braking, and maintaining vehicle stability and control.

4. Using the Calculator

Tips: Enter all values in appropriate units (meters for lengths, percentage for ratios). All values must be positive numbers greater than zero for accurate calculation.

5. Frequently Asked Questions (FAQ)

Q1: What is anti-dive in vehicle suspension?
A: Anti-dive is a suspension characteristic that prevents the front of the vehicle from diving excessively during hard braking, maintaining better vehicle balance and control.

Q2: How does swing arm height affect suspension performance?
A: Swing arm height directly influences the suspension's geometric properties, affecting wheel camber, toe changes, and anti-dive/anti-squat characteristics during acceleration and braking.

Q3: What is the typical range for side view swing arm height?
A: The height varies significantly depending on vehicle type and suspension design, typically ranging from 0.1 to 0.5 meters for most passenger vehicles.

Q4: How does center of gravity height affect the calculation?
A: Higher center of gravity increases the leverage effect during braking, requiring different swing arm geometry to achieve the same anti-dive percentage.

Q5: Can this calculation be used for both front and rear suspension?
A: While the formula is primarily for front suspension anti-dive, similar principles apply to rear suspension anti-squat calculations with appropriate adjustments to the formula.