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Effective Ratio Formula:
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The Effective Ratio in a go-kart's torque converter system represents the combined effect of the CVT (Continuously Variable Transmission) ratio and the torque converter ratio. It determines the overall gear reduction between the engine and the wheels.
The calculator uses the Effective Ratio formula:
Where:
Explanation: The equation multiplies the two ratios to give the total reduction ratio that affects the kart's acceleration and top speed.
Details: The Effective Ratio is crucial for tuning go-kart performance. A higher ratio provides better acceleration but lower top speed, while a lower ratio gives higher top speed but slower acceleration.
Tips: Enter the CVT low to high ratio and torque converter ratio. Both values must be positive numbers. Typical CVT ratios range from 0.5 to 3.0, while torque converter ratios often range from 1.5 to 4.0.
Q1: What is a typical CVT ratio range for go-karts?
A: Most go-kart CVTs have a ratio range between 0.8 (high gear) to 2.5 (low gear), but this can vary depending on the specific setup.
Q2: How does torque converter ratio affect performance?
A: Higher torque converter ratios provide more torque multiplication at low speeds, improving acceleration but reducing top speed.
Q3: What's a good Effective Ratio for racing?
A: This depends on the track. Tight courses with many turns benefit from higher ratios (3.5-6.0), while long straight tracks work better with lower ratios (2.0-3.5).
Q4: Can I use this for other small vehicles?
A: Yes, this calculation applies to any vehicle using a CVT and torque converter system, including ATVs and small utility vehicles.
Q5: How do I measure my actual CVT ratios?
A: Measure the primary and secondary clutch diameters at rest (low gear) and at full shift (high gear) to calculate the ratios.