Adjustable Area Kite With Removable Sizing Sections
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Solution Overview
Problem
Kitesurfers face challenges with wind speed variations, requiring multiple kites of different sizes, leading to unsafe conditions, increased costs, and complex equipment handling, as existing kites are not easily adjustable for optimal performance across varying wind speeds.
Innovation Solution
A kite design featuring a flexible main canopy with adjustable kite sizing sections that can be removably attached via hook-and-loop fasteners, allowing for changes in kite area, including wing tip sections, and inflatable struts that can be adjusted in length to modify the kite's surface area and control characteristics without the need for complex mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple kites of different sizes are used to adapt to varying wind speeds, then the kite can operate optimally across different wind conditions, but the equipment complexity and cost increase significantly
Solution Approach 1:
The kite canopy is divided into a main canopy and removable sizing sections. The sizing sections can be detached to reduce the total canopy area, allowing a single kite to provide multiple effective sizes for different wind conditions. This segmentation enables one physical kite to replace what would traditionally require multiple complete kites.
Solution Approach 2:
The kite design incorporates adjustable sizing sections that can be dynamically added or removed based on wind conditions. This dynamic adjustment capability allows the kite to adapt its effective area in real-time, transitioning between different size configurations to match varying wind speeds without requiring multiple static kite designs.
2Power
If a kite of larger area is used for lower wind speeds, then the kite generates sufficient power, but it becomes unsafe to operate at higher wind speeds
Solution Approach 1:
The kite canopy is segmented into a main canopy and optional sizing sections. By removing the sizing sections, the total canopy area is reduced, thereby reducing the power generated in high wind conditions. This segmentation allows the same kite structure to provide both high-power configuration for low wind and reduced-power configuration for high wind, eliminating the safety risk of using an oversized kite in strong winds.
3Adaptability or versatility
If kitesurfers return to shore to change kites due to wind changes, then they can adapt to new wind conditions, but they expose themselves to dangerous conditions and increase equipment wear
Solution Approach 1:
The kite incorporates dynamically adjustable sizing sections that can be added or removed while on the water. This dynamic adjustment capability allows kitesurfers to change the effective kite area without returning to shore, maintaining safety by avoiding exposure to dangerous conditions during kite changes. The adjustable design enables in-water reconfiguration to match new wind conditions.
Solution Approach 2:
The kite design enables self-adjustment of its own size through the removable sizing sections. The kitesurfer can independently modify the kite configuration during the activity without external assistance or equipment changes, allowing rapid adaptation to wind changes while remaining in a safe position on the water.
4Adaptability or versatility
If multiple kites are maintained for different wind speeds, then optimal performance across all conditions is achieved, but the cost and equipment management complexity increase
Solution Approach 1:
The kite design achieves multi-functionality by incorporating removable sizing sections that allow a single kite to perform the roles of multiple kites with different areas. The universal design enables the same base kite structure to be configured for low-wind, medium-wind, and high-wind conditions by simply adding or removing the sizing sections, eliminating the need to maintain multiple specialized kites.
Solution Approach 2:
The canopy is segmented into essential main sections and optional sizing sections. This segmentation allows the core kite structure to remain while only the sizing sections are added or removed to adapt to different conditions. This reduces the total number of complete kite sets needed, as the main canopy and frame can be reused across different configurations.
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
Enables kitesurfers to easily adjust kite size while on the water, reducing the need for multiple kites, enhancing safety, and minimizing equipment wear, while maintaining performance across different wind conditions, thus making kitesurfing more accessible and cost-effective.
Implementation Method 1
The at least one flexible kite sizing section may, for example, be adjustably attached or attachable to the flexible main canopy to change an area of the kite
Implementation Method 2
The leading edge support and the plurality of struts may, for example, be inflatable
Data Source
AI summary
A kite includes a frame including a leading edge support and a plurality of struts extending rearward from the leading edge support, a flexible main canopy attached to the frame and at least one flexible kite sizing section adjustably attached to the flexible main canopy. The at least one flexible kite sizing section is adjustable to change an area of the kite, including an area of at least a first wing tip section of the kite.