Sailing Instrument Mode Switching for One-Design Rule Compliance

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Sailors face a dilemma in sailboat racing as they need fully-featured instruments for training and larger boats but must comply with one-design Class Rules that prohibit certain performance data, and existing solutions lack self-enforcement and visual confirmation of compliance.

Innovation Solution

A sailboat racing instrument that can switch between fully-featured and one-design compliant modes, changing display data and color based on mounting orientation, using sensors to ensure compliance and provide visual confirmation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a fully-featured instrument is used for training and larger boats, then the instrument provides comprehensive performance data and training advantages, but it violates one-design Class Rules that prohibit certain performance data

Engineering Contradiction:
Improveinstrument functionalityVSAvoidClass Rules compliance
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The instrument dynamically changes its displayed functions based on mounting orientation. When mounted in the first orientation (e.g., portrait), it displays all functions including prohibited performance data. When mounted in the second orientation (e.g., landscape), it automatically disables and hides prohibited functions while displaying only permitted data, thus adapting to different racing class requirements

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

Different portions of the instrument's interface are activated or deactivated based on mounting orientation. The instrument provides locally different functionality - full-featured mode in one orientation and restricted mode in another - allowing the same device to serve different purposes without physical modification

Inventive Principle:
Principle #3Local quality

2Reliability

If a disabled function feature is added to make an immutable log, then the instrument can be used as a one-design compliant device, but there is no visual confirmation for competitors to verify compliance

Engineering Contradiction:
Improvecompliance assuranceVSAvoidvisual confirmation
Core Design Contradiction:
ReliabilityVSLoss of information

Solution Approach 1:

The instrument uses color changes to indicate its compliance state. When mounted in the second orientation and operating in restricted mode, the instrument displays a specific color (e.g., green border or green text) that serves as visual confirmation to competitors that the device is configured for one-design compliance. This eliminates the need for race organizers to verify compliance manually

Inventive Principle:
Principle #32Color changes

3Reliability

If competitors accuse each other of cheating without visual confirmation, then race integrity is compromised, but race organizers are unwilling to intervene in equipment disputes

Engineering Contradiction:
Improverace integrityVSAvoidself-enforcement
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The instrument provides self-verifying compliance through visual indicators. Competitors can independently verify that opposing boats are using compliant instruments by observing the visual confirmation display, eliminating the need for race organizers to act as 'instrument police' while maintaining race integrity through transparent, observable compliance

Inventive Principle:
Principle #25Self-service

4Adaptability or versatility

If sailors buy two different instrument devices to comply with one-design rules and enjoy training advantages, then compliance and training needs are met, but the cost and device complexity increase

Engineering Contradiction:
Improvedual-use capabilityVSAvoidnumber of devices
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

A single instrument device performs multiple functions by changing its displayed capabilities based on mounting orientation. The same device can be used both as a full-featured training instrument and as a one-design compliant racing instrument, eliminating the need for sailors to purchase and maintain two separate devices while reducing overall system complexity

Inventive Principle:
Principle #6Universality (Multi-functionality)

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

Enables sailors to use a single instrument for both training and racing, ensuring compliance with Class Rules through automatic feature disabling and visual indicators, reducing the need for manual verification.

Implementation Method 1

The sailing instrument senses whether it is in portrait or landscape mode

Methodology Applied
Scientific EffectOrientation sensing: Accelerometer

Data Source

PatentUS20250376247A1Sailing Instrument with Function Limitation
Publication Date: 2025.12.11 WHITSERVE LLC
  • US20250376247A1 patent drawing
  • US20250376247A1 patent drawing
  • US20250376247A1 patent drawing

AI summary

A sailboat racing instrument having a fully-featured mode and a one-design compliant mode. For example, the instrument may be mountable to the sailboat in portrait and landscape mounting positions with a different mode corresponding to each mounting position. The instrument may sense which mounting position and select a mode accordingly. The mounting position may indicate to competitors which mode the instrument is in, e.g., the one-design-compliant mode. The instrument may alter its color in addition to or in lieu of mounted position to indicate its mode to competitors. In a one-design-compliant mode the instrument may present only speed or distance to line or both in a single color or mounting position.