1. What is Gear Ratio?

The gear ratio is the ratio of the rotational speeds of two or more interlocking gears. It determines the mechanical advantage of a gear system and affects both speed and torque.

2. How Does the Calculator Work?

The calculator uses the gear ratio equation:

Where:

• \( Speed1 \) — Rotational speed of first gear (rpm)
• \( Speed2 \) — Rotational speed of second gear (rpm)

Explanation: The ratio shows how many times the first gear rotates compared to the second gear.

3. Importance of Gear Ratio Calculation

Details: Gear ratio is crucial for designing mechanical systems, determining torque multiplication, and calculating speed relationships in gear trains.

4. Using the Calculator

Tips: Enter both speeds in revolutions per minute (rpm). All values must be valid (greater than 0).

5. Frequently Asked Questions (FAQ)

Q1: What does a gear ratio of 2:1 mean?
A: It means the first gear rotates twice for every single rotation of the second gear.

Q2: How does gear ratio affect torque?
A: Higher gear ratios increase torque but reduce output speed, while lower ratios increase speed but reduce torque.

Q3: Can gear ratio be less than 1?
A: Yes, a ratio less than 1 indicates the output gear rotates faster than the input gear (speed increase).

Q4: What's the difference between gear ratio and velocity ratio?
A: Gear ratio is based on tooth count, while velocity ratio is based on actual speeds. They're equal in ideal conditions.

Q5: How do I calculate gear ratio from tooth count?
A: Ratio = Teeth on driven gear / Teeth on driving gear.