RACQUETS

• How To Measure Your Racquet's Swingweight
• Power Potential Basics
• Maximum Shot Speed Basics
• Power Potential: The Total Performance Measurement
• Why Does Maximum Power Occur Near the Throat and Maximum Shot Speed Near the Tip?
• Power: Does the Racquet Matter?
• Racquet Specs and Power
• Maximum Shot Speed — Where To Hit on the Racquet
• Power Imbalance and What It Means
• Racquet Power Terminology
• Spin and Trajectory Definitions and Analysis
• Weight, Balance and Swingweight Explained
• Power Potential Test Method
• Physics of the Tennis Kick Serve
• The Double Pendulum in Tennis
• Spin and String Patterns Old, New, and Illegal: Spaghetti, Diagonal, Open and Closed Patterns
• Spin Data and Impact Photo Gallery (companion database to: Spin and String Patterns Old, New, and Illegal)
• Tennis Racquet Weighting: Effect of Racquet Weight Customization on Swing Speed and Ball Speed

STRINGS

• Why Is String Stiffness So Important To Power?
• String Stiffness: The Alpha and Omega of String Performance
• String Stiffness — How It Works
• Spin and String Movement (includes video)
• Which String Generates the Most Spin? (includes video)
• Spin and Static Friction Between Strings (includes video)
• Spin and Sliding Friction Between Strings
• Spin and String-to-Ball Friction (includes video)
• Spin and String Pattern (includes video)
• Spin and String Snap-Back (includes video)
• Spin and String Stiffness (includes video)
• Spin and String Lubrication (includes video)
• Spin and Impact Location and Twistweight (includes video)
• How Tennis Strings "Go Dead" — Part 1
• How Tennis Strings "Go Dead" — Part 2

BALLS

• Tennis Ball Trajectories: Aerodynamic Drag and Lift in Tennis Shots