Adjustable Transom Mount for Shallow Water Propulsion
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing marine propulsion systems face challenges in navigating shallow waters and obstacle-laden environments due to variability in boat hull and transom designs, leading to inefficiencies and potential damage from propeller interference with obstacles.
Innovation Solution
A transom mount system with an angularly adjustable leveling platform and carousel, incorporating a pintle and spring pin mechanism, supports a long shaft drive, allowing for vertical axis rotation and tilt control, enabling secure mounting across diverse transom geometries and preventing engine tilt about the propeller shaft axis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a standard inboard or outboard propulsion system is used, then the propeller can be positioned deep in the water for effective propulsion in open waterways, but the propeller becomes vulnerable to damage from obstacles and vegetation in shallow waters
Solution Approach 1:
The transom mount system incorporates a leveling platform that is angularly adjustable relative to the transom mounting bracket, allowing the propeller shaft to be dynamically repositioned. This enables the shaft to extend forward beyond the transom for shallow water operation while maintaining proper alignment and protection when needed.
Solution Approach 2:
The propulsion system is divided into separate functional components: a transom mounting bracket that attaches to the boat, an angularly adjustable leveling platform that provides orientation control, and a propeller shaft assembly that can be independently positioned. This segmentation allows each component to be optimized for its specific function while working together as an integrated system.
2Ease of operation
If the propeller shaft is extended forward beyond the transom to operate in shallow waters, then the propeller can run shallowly free of interference with the boat, but the engine may tilt about the propeller shaft axis causing lubrication issues
Solution Approach 1:
The leveling platform provides dynamic angular adjustment capability that allows the system to maintain proper engine orientation regardless of shaft position. The platform can be angled to compensate for tilt, ensuring the engine remains level and properly lubricated even when the shaft extends forward for shallow water operation.
Solution Approach 2:
The leveling platform acts as an intermediary between the fixed transom mounting bracket and the movable propeller shaft assembly. It provides the necessary angular adjustment and orientation control to prevent engine tilt while allowing the shaft to extend forward, thus mediating between the conflicting requirements of shallow water capability and engine protection.
3Adaptability or versatility
If a fixed transom mounting system is used, then the structure is simple and robust, but it cannot accommodate variability in transom geometries and rake angles across different boat designs
Solution Approach 1:
The mounting system incorporates an angularly adjustable leveling platform that can be oriented at different angles relative to the transom mounting bracket. This dynamic adjustment capability allows the system to accommodate various transom geometries and rake angles while maintaining proper shaft alignment, without requiring a completely different mounting system for each boat design.
Solution Approach 2:
The transom mount system is designed as a universal mounting solution that can be adapted to different boat types and transom configurations. The combination of a mounting bracket and an angularly adjustable leveling platform provides multi-functionality, allowing the same basic system to accommodate variability in transom geometries across different boat designs.
4Productivity
If the propeller is positioned deep in the water, then effective propulsion is achieved in open waterways, but the boat hull must run deeper than sections of shallow waterways
Solution Approach 1:
The system enables dynamic repositioning of the propeller shaft using an angularly adjustable leveling platform. This allows the shaft to be extended forward beyond the transom, positioning the propeller shallowly in the water. The dynamic adjustment capability maintains propulsion efficiency while reducing the boat's draft to navigate shallow waterways.
Data Source
AI summary
A transom mount has a transom mounting bracket and a leveling platform angularly adjustable relative to the transom mounting bracket. The leveling platform includes a vertical axis pintle, and a spring pin. Supported through the pintle onto the leveling platform is a carousel including rotary limit holes and a travel lock hole. The carousel generally spins freely about the pintle. However, when the spring pin is aligned with these carousel holes, it will automatically lock the carousel relative to the leveling platform. Supported on the carousel is a bell housing or other equivalent support having an engine coupling flange on one end and a long shaft coupler on the other. A set of tilt stop holes may be provided in combination with a tilt stop pin to control the maximum tilt of the bell housing and mud motor drive.