Prefabricated Roller Coaster Track Layers for Precise Curves

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Solution Overview

Problem

Conventional wooden roller coaster track construction is labor-intensive, costly, and prone to imperfections due to manual bending and cutting, requiring skilled labor and time-consuming adjustments, which affects passenger comfort and enjoyment.

Innovation Solution

A method of manufacturing roller coaster track using prefabricated, stacked layers of wood or alternative materials, cut to precise dimensions using automated precision cutting devices, with offset interface locations to distribute weight evenly and reduce the need for skilled labor.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If manual bending and cutting methods are used to construct wooden roller coaster track, then the track can be formed to match the underlying structure profile, but the construction requires highly skilled labor which is scarce and expensive, and requires repeated adjustments that are costly and time consuming

Engineering Contradiction:
Improvetrack profile accuracyVSAvoidconstruction complexity
Core Design Contradiction:
Manufacturing precisionVSEase of manufacture

Solution Approach 1:

The track layers are pre-cut to precise lengths and pre-bent to specific curvature radii before assembly. This preliminary preparation allows the layers to be stacked and joined without requiring skilled manual adjustment during construction, thereby reducing both labor skill requirements and construction time while maintaining profile accuracy.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The track is divided into multiple discrete layers that can be independently manufactured, bent, and cut to specification. Each layer is prepared separately with precise dimensions, then assembled in a standardized stacking sequence, transforming a complex continuous shaping operation into simpler discrete component fabrication.

Inventive Principle:
Principle #1Segmentation

2Manufacturing precision

If manual bending and cutting methods are used to construct wooden roller coaster track, then the track can be formed to match the underlying structure profile, but the construction is time consuming and costly

Engineering Contradiction:
Improvetrack profile accuracyVSAvoidconstruction speed
Core Design Contradiction:
Manufacturing precisionVSProductivity

Solution Approach 1:

Track layers are pre-manufactured with precise dimensions, curvatures, and lengths before delivery to the construction site. This allows parallel fabrication of multiple layers simultaneously in a controlled manufacturing environment, significantly accelerating on-site assembly while ensuring profile accuracy is achieved during fabrication rather than through time-consuming field adjustments.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The invention changes the manufacturing parameters from on-site manual operations to off-site automated processes. Layers are bent to predetermined curvature radii and cut to precise lengths using automated equipment, transforming the construction process from labor-intensive field work to standardized factory production followed by rapid assembly.

Inventive Principle:
Principle #35Parameter changes

3Ease of manufacture

If conventional wooden track construction methods are used, then the track can be assembled from dimensional lumber, but manual cutting leaves slight imperfections that adversely affect passenger enjoyment and comfort

Engineering Contradiction:
Improvemanufacturing simplicityVSAvoidtrack surface smoothness
Core Design Contradiction:
Ease of manufactureVSManufacturing precision

Solution Approach 1:

Manual cutting and fitting operations are replaced with automated precision cutting equipment that can achieve consistent, precise dimensions and smooth edges. The automated systems eliminate human error and variability, producing uniform track layers with smooth surfaces that do not require subsequent manual adjustment or filling of imperfections.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

All cutting, shaping, and surface preparation operations are completed during off-site manufacturing before the layers are assembled. This preliminary precision work ensures that when layers are stacked and joined, the interfaces are already optimized for smooth transitions, eliminating the need for post-assembly adjustments and ensuring consistent passenger comfort throughout the track.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentEP3924077B1Track for rolling vehicle and methods of fabricating and assembling the track
Publication Date: 2025.08.06 THE GRAVITY GRP LLC
  • EP3924077B1 patent drawingFigure 1
  • EP3924077B1 patent drawingFigure 2
  • EP3924077B1 patent drawingFigure 3

AI summary

A track for a roller coaster is provided. The track includes a plurality of layers that are each constructed from a plurality of layer segments prefabricated with an automated precision cutting device.