Modular Watercraft Hull Assembly Using Segmented Panels
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Solution Overview
Problem
Current methods for manufacturing watercraft hulls are labor-intensive and expensive, requiring various tooling and labor to produce different sizes, and pose logistical challenges due to the need for significant quantities of different sized hulls.
Innovation Solution
A modular assembly method using rear and front hull modules, with optional buoyant hull extension modules, allowing for the assembly of watercraft of varying lengths by attaching and sealing these modules to form a continuous running surface, utilizing common attachment features and fasteners.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If traditional manufacturing methods (welded sheets, molded plastic, or single-piece molded fiberglass) are used to produce hulls of different sizes, then each hull can be manufactured with adequate strength and stability, but the process becomes labor intensive and expensive requiring additional tooling and significant labor
Solution Approach 1:
The hull is divided into multiple modular panels (bow panel, stern panel, and one or more intermediate panels) that can be assembled together. Each panel can be manufactured independently using the same mold, allowing parallel production and reducing tooling requirements while maintaining manufacturing simplicity and improving overall production efficiency.
Solution Approach 2:
A single mold can produce multiple different hull panels that can be combined to create hulls of various sizes. The modular panels are designed with universal attachment features that allow them to be configured in different combinations, enabling one mold to serve multiple hull size requirements and improving productivity without sacrificing ease of manufacture.
2Adaptability or versatility
If different sized hulls are manufactured to accommodate watercrafts of different sizes, then the watercraft can be tailored to specific size requirements, but additional tooling and significant labor are required which increases cost
Solution Approach 1:
The hull design segments the structure into standardized panels that can be assembled in different configurations. This segmentation allows a single mold to produce panels suitable for multiple hull sizes, reducing tooling complexity while maintaining the ability to provide various hull sizes for different watercraft applications.
Solution Approach 2:
The modular panel system allows dynamic reconfiguration to create different hull sizes. By varying the number and arrangement of intermediate panels between the bow and stern panels, the same basic mold can produce hulls adapted to different size requirements, reducing tooling complexity while preserving adaptability.
3Adaptability or versatility
If significant quantities of different sized hulls are maintained in inventory to offer watercrafts of different sizes, then customer size preferences can be met, but logistical problems arise due to the space and management requirements
Solution Approach 1:
By segmenting the hull into modular panels, the inventory requirement shifts from storing complete finished hulls of different sizes to storing standardized panel components. This segmentation allows panels to be reconfigured into different hull sizes as needed, reducing the total quantity of inventory required while maintaining the ability to offer various watercraft sizes to customers.
Solution Approach 2:
The system enables parameter changes in hull size through modular assembly rather than manufacturing different complete hulls. By changing the configuration of modular panels (adding or removing intermediate panels), the same base components can be adapted to different size requirements, reducing inventory quantity while preserving size selection availability.
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
This approach simplifies the production of watercraft of different sizes using common components, reduces manufacturing costs, and addresses logistical challenges by enabling efficient assembly and buoyancy through modular design.
Implementation Method 1
the hull extension module is a buoyant hull extension module... the hull extension module comprises at least one hull extension buoyant element
Data Source
AI summary
A method of assembling a watercraft of a family of watercraft includes, when assembling a first watercraft, attaching a front hull panel to a rear hull panel such that the front hull panel extends forwardly of the rear hull panel. The front hull panel and the rear hull panel form a hull of the first watercraft. The method also includes, when assembling the second watercraft: attaching a hull extension panel to the rear hull panel such that the hull extension panel extends forwardly of the rear hull panel; and attaching the front hull panel to the hull extension panel such that the front hull panel extends forwardly of the hull extension panel. The front hull panel, the hull extension panel and the rear hull panel form a hull of the second watercraft. The second watercraft has a second hull length greater than a first hull length of the first watercraft.