Deployable Aerodynamic Fins for Golf Club Swing Timing
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Solution Overview
Problem
Current golf training aids fail to effectively assist golfers in mastering the sequence and timing of golf swings, particularly in slowing down the backswing and ensuring proper club face rotation, due to the complexity of body motions and sequencing required in golf.
Innovation Solution
A self-deploying airbrake system with semi-fins mounted on the golf club shaft, which provides torque to assist in slowing the backswing and controlling the rotation of the club face, while being retractable for the downswing to maintain full swing speed, and is made of thermoset or thermoplastic materials for minimal added mass.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If training aids are designed to provide reference and guidance to the golfer, then skill acquisition is improved, but the device complexity increases
Solution Approach 1:
The aerodynamic control surface automatically deploys and retracts based on swing phase without requiring external control mechanisms. The system uses the natural aerodynamic forces generated during the swing to trigger deployment at the top of the backswing and automatic retraction during the downswing, eliminating the need for motors, sensors, or complex control systems while still providing effective training guidance
Solution Approach 2:
The invention extracts only the essential training function from complex mechanical training aids by using a simple aerodynamic surface that provides tactile feedback through air resistance. Instead of using complex mechanical guides or electronic sensors, the system relies on the fundamental aerodynamic principle of drag to provide training feedback, significantly reducing device complexity
2Manufacturing precision
If the aerodynamic control surface is deployed during backswing to provide training feedback, then sequence and timing control is improved, but the swing speed is reduced
Solution Approach 1:
The control surface transitions from a static attached state to a dynamic deployed state only when needed during the backswing. The surface is held flat against the shaft during the downswing and impact to minimize resistance, then deployed at the top of the backswing where it provides training feedback through aerodynamic drag, and automatically retracts as the downswing begins
Solution Approach 2:
The control surface operates in periodic cycles, deploying during the backswing phase and retracting during the downswing phase. This periodic deployment and retraction creates distinct training feedback moments that guide the golfer through proper sequencing without continuously impeding swing speed
3Force
If the aerodynamic control surface is made larger to provide stronger torque for club face rotation, then rotation control is improved, but the added mass increases
Solution Approach 1:
The control surface utilizes changes in aerodynamic parameters (air density, velocity, surface area) to generate sufficient torque without increasing mass. By positioning the surface at a distance from the club shaft to maximize the torque arm and by using the high velocity of the swing to generate aerodynamic force, the system achieves effective club face rotation control with a lightweight surface
Solution Approach 2:
The invention uses aerodynamic forces (pneumatic principle) to generate the necessary torque for club face rotation. The control surface exploits air resistance and pressure differential created during the swing to produce rotational torque, eliminating the need for heavy mechanical counterweights or springs
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution helps golfers learn proper sequence and timing by retarding the backswing force while allowing full speed in the downswing, enhancing skill acquisition and satisfaction by improving the golfer's technique.
Implementation Method 1
The present invention uses a self-deploying airbrake that is either symmetric with no torque, or anti-symmetric with preferential torque. A preferred embodiment includes both functions with the ability to control the combination.
Implementation Method 2
The present invention uses a self-deploying airbrake that is either symmetric with no torque, or anti-symmetric with preferential torque. This invention triggers a torque that coerces the rotation by a helping torque.
Data Source
AI summary
The present invention is a unique and improved training aid to assist the golfer in learning these skills. The invention has deployable fins that deploy during a backswing and retract during a downswing.