Outboard Motor Cowling Speaker Assembly Aerodynamic Integration
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Solution Overview
Problem
Existing outboard motor cowlings lack integrated speaker assemblies that are durable, weather-resistant, and aesthetically integrated into the motor's aerodynamic design.
Innovation Solution
An outboard motor cowling speaker assembly featuring a speaker mount with a lateral surface extending at a predetermined angle, a cover that contours the speaker, and a design that protrudes aerodynamically from the cowling lateral faces, providing protection and integration with the motor's structure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If a speaker assembly is integrated into the outboard motor cowl, then the aesthetic appearance and functionality are improved, but the aerodynamic performance may be compromised due to protrusion
Solution Approach 1:
The speaker assembly is positioned on the lateral face of the cowl rather than protruding forward, utilizing the lateral dimension to maintain aerodynamic flow while accommodating the speaker. The cover extends downward from the lateral surface, creating a three-dimensional configuration that preserves airflow characteristics.
Solution Approach 2:
The cowl is modified locally at the lateral face to accommodate the speaker assembly, with the cover shaped to contour the speaker and extend downward. This localized modification allows speaker integration without affecting the overall aerodynamic profile of the motor.
2Ease of operation
If the speaker assembly protrudes from the cowling lateral faces, then the speaker accessibility and mounting are improved, but the aerodynamic drag increases
Solution Approach 1:
The speaker assembly is oriented vertically with the cover extending downward from the lateral surface rather than protruding horizontally. This vertical orientation in another dimension reduces the frontal area exposed to airflow, minimizing aerodynamic drag while maintaining accessibility.
3Reliability
If a cover is added to protect the speaker, then the weather resistance and durability are improved, but the device complexity increases
Solution Approach 1:
The cover is integrated with the speaker assembly and mounted directly onto the cowl lateral face. The cover combines multiple functions: protecting the speaker from weather, providing structural support, and maintaining the aerodynamic profile. This merging of functions reduces overall device complexity.
Solution Approach 2:
The cover serves multiple purposes: it protects the speaker from environmental elements, provides a mounting structure for the speaker assembly, and maintains the aerodynamic profile of the cowl. This multi-functionality reduces the need for additional separate components.
Data Source
AI summary
An outboard motor cowling speaker assembly having an outboard motor having at least one speaker assembly with a speaker. The at least one speaker assembly has a cover that covers and protects the speaker. The at least one speaker assembly mounts upon a speaker mount that has a leading edge and a lateral surface extending from the leading edge. The lateral surface extends from the leading edge and terminates at a trailing edge. The cover is fixed onto the trailing edge. The outboard motor has a cowling top face, first and second cowling lateral faces, a cowling front face, and a cowling rear face. The leading edge is closer to the cowling front face than the trailing edge. The at least one speaker assembly protrudes aerodynamically from the first and second cowling lateral faces. The outboard motor is mounted onto a sea vessel.