Variable-Loft Golf Club Face for Spin and Launch Consistency
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Solution Overview
Problem
Existing golf club heads have a single radius of curvature and loft, which fail to address the spin differential between center and low on face shots, leading to inconsistent performance.
Innovation Solution
A golf club head with a variably lofted face, featuring distinct upper and lower striking face portions with different radii of curvature and lofts, allowing for reduced spin differential and improved launch consistency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a single radius of curvature is used for the striking face, then the manufacturing is simpler, but the spin differential between center and low on face shots increases leading to inconsistent performance
Solution Approach 1:
The striking face is divided into multiple zones with different radii of curvature: an upper portion with a first radius, a lower portion with a second radius, and a central portion with a third radius. This segmentation allows each zone to be optimized for specific shot types, reducing spin differential and improving performance consistency across different impact locations.
Solution Approach 2:
Different portions of the striking face are given different local geometric properties (radii of curvature) to optimize performance for specific shot types. The upper, lower, and central portions each have tailored curvature characteristics that address the spin differential problem for their respective impact zones.
2Manufacturing precision
If a single loft is used for the entire striking face, then the design is simpler, but the launch angle consistency across different shot types deteriorates
Solution Approach 1:
The striking face loft is segmented into different zones with varying loft angles. The upper, lower, and central portions each have optimized loft characteristics that work in conjunction with their respective radii of curvature to produce consistent launch angles across different shot types and impact locations.
Solution Approach 2:
Each zone of the striking face (upper, lower, central) is given different local loft properties tailored to optimize launch angle for specific shot types. This local customization of loft angles compensates for variations in impact location and swing characteristics.
3Adaptability or versatility
If a larger radius of curvature is used, then the face is flatter providing more forgiveness, but the spin differential between center and low on face shots increases
Solution Approach 1:
The face is segmented into zones with different radii of curvature, allowing the lower portion to have a larger radius for forgiveness while the upper and central portions have smaller radii for better spin control. This segmentation enables simultaneous optimization of both forgiveness and spin control across different impact zones.
Solution Approach 2:
Different local radii of curvature are assigned to different portions of the face to balance forgiveness and spin control. The lower portion benefits from a larger radius for forgiveness, while other portions maintain smaller radii for spin control, creating a balanced performance across all impact locations.
Data Source
AI summary
A golf club head including a variably lofted face is disclosed herein. In accordance with the presently disclosed technology, the golf club head may include a striking face. The striking face may include a face center dividing the striking face between an upper striking face portion and a lower striking face portion. The upper striking face portion may include a first effective loft, and the lower striking face portion may include a second loft. The first effective loft may be different than the second loft. The golf club head may include a crown and a sole.