1. What is the ATA Arrow Speed Formula?

The ATA (Archery Trade Association) arrow speed formula calculates the standardized arrow speed based on measured speed and draw weight. This calculation helps archers compare bow performance under standardized conditions.

2. How Does the Calculator Work?

The calculator uses the ATA arrow speed formula:

Where:

• \( v\_meas\_ATA \) — Measured arrow speed (fps)
• \( Draw\_ATA \) — Draw weight in pounds

Explanation: The formula standardizes arrow speed to a 70-pound draw weight reference point, allowing for fair comparison between different bow setups.

3. Importance of Arrow Speed Calculation

Details: Standardized arrow speed calculation is crucial for comparing bow performance, tournament regulations compliance, and understanding arrow trajectory and kinetic energy.

4. Using the Calculator

Tips: Enter measured arrow speed in fps and draw weight in pounds. Both values must be positive numbers greater than zero.

5. Frequently Asked Questions (FAQ)

Q1: Why standardize to 70 pounds?
A: 70 pounds is chosen as a standard reference point that represents a common high-performance draw weight for comparison purposes.

Q2: How is measured speed typically obtained?
A: Measured speed is usually obtained using chronographs that measure arrow velocity as it leaves the bow.

Q3: Does this formula account for arrow weight?
A: No, this specific formula standardizes based on draw weight only. Other calculations may incorporate arrow weight for more comprehensive comparisons.

Q4: What is a typical ATA speed range?
A: Most modern compound bows produce ATA speeds between 250-350 fps, depending on bow design and setup.

Q5: Is this calculation used in tournament regulations?
A: Yes, many archery tournaments use ATA standardized speeds for equipment classification and division placement.