Low Center-of-Gravity Chassis for Model Vehicles
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Solution Overview
Problem
Remote control and model vehicles are expensive to construct and maintain, and they often lack optimal handling characteristics, making it difficult to adjust them for different driving conditions.
Innovation Solution
A method of configuring components on a vehicle chassis, where the engine crankshaft is positioned at a specific height relative to the transmission output shaft, allowing for adjustable engagement and disengagement of the engine with the transmission, and incorporating a throttle link assembly that accommodates vertical movement without decoupling from the engine.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the engine and transmission are positioned with specific height relationship (crankshaft 3-13mm higher than output shaft), then gear meshing is improved and handling characteristics are optimized, but the device complexity increases due to precise positioning requirements
Solution Approach 1:
The patent specifies precise vertical positioning parameters (crankshaft 3-13mm higher than transmission output shaft) to optimize gear meshing. This parameter control ensures proper engagement while maintaining handling characteristics, resolving the contradiction between manufacturing precision and device complexity through defined dimensional specifications.
2Ease of operation
If the throttle link assembly is designed to accommodate vertical movement without decoupling, then the ease of operation is improved, but the device complexity increases due to the flexible connection mechanism
Solution Approach 1:
The throttle link assembly incorporates a flexible connection that dynamically adapts to vertical movements between engine and transmission. This dynamic design allows the link to maintain connection while accommodating position changes, improving ease of operation without requiring complex adjustment mechanisms.
Solution Approach 2:
The throttle link assembly acts as an intermediary element between the engine throttle and transmission, providing a flexible connection that absorbs vertical movements. This intermediary mechanism simplifies operation by automatically compensating for position variations without requiring manual intervention.
3Productivity
If the chassis is designed with reduced horizontal space configuration, then the productivity is improved through compact layout, but the area of stationary object decreases
Solution Approach 1:
The patent transitions from horizontal space utilization to vertical space utilization by positioning the crankshaft 3-13mm above the transmission output shaft. This dimensional change allows compact horizontal layout (improving productivity) while maintaining proper component spacing through vertical arrangement.
Solution Approach 2:
The engine and transmission components are nested vertically within the chassis, with the crankshaft positioned above the transmission output shaft. This nesting arrangement reduces horizontal footprint while maintaining functional spacing, improving assembly efficiency without excessive space reduction.
Data Source
AI summary
A method of configuring components on a chassis of a model vehicle is provided, comprising providing a vehicle chassis, mounting an engine to the vehicle chassis such that the engine crankshaft is positioned at a first height relative to the chassis, and mounting a transmission to the vehicle chassis such that the transmission output shaft is positioned at a second height, and wherein the first height of the crankshaft is no less than about 3 mm and no more than 15.5 mm higher than the second height of the output shaft.