Pressure-Activated Light-Emitting Projectile for Air Gun Tracking
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Solution Overview
Problem
Air gun projectiles lack visibility during flight and impact, making it difficult for shooters to track and retrieve targets, especially in various lighting conditions.
Innovation Solution
A projectile with a light-emitting apparatus activated by pressure, emitting visible light as it is propelled, aiding in tracking and retrieval by illuminating its flight path and impact point.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If a light-emitting apparatus is added to the projectile, then visibility during flight is improved, but device complexity increases
Solution Approach 1:
The light-emitting apparatus is nested within the projectile body, specifically positioned in a cavity or compartment of the projectile structure. This integration allows the lighting system to be housed within the existing projectile form factor without significantly increasing external dimensions or complexity.
Solution Approach 2:
The light-emitting apparatus is designed to activate automatically upon projectile launch through pressure-sensitive switches or motion-activated mechanisms. The system uses the kinetic energy and pressure changes from launch to trigger the light, eliminating the need for external controls or complex power management systems.
2Ease of operation
If a light-emitting apparatus is activated by pressure, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The pressure-activated switch mechanism automatically detects the pressure changes occurring during projectile launch and activates the light-emitting apparatus accordingly. The system uses the natural pressure variations from the air gun's propulsion to trigger the light without requiring external intervention or complex control circuits.
Solution Approach 2:
The activation mechanism utilizes pneumatic pressure from the air gun's propellant gas to actuate a pressure-sensitive switch. This pneumatic activation method leverages the existing pressure system of the air gun to control the light, avoiding the need for separate electrical triggering mechanisms.
3Loss of time
If visible light is emitted during projectile flight, then tracking and retrieval efficiency is improved, but energy consumption increases
Solution Approach 1:
The light-emitting apparatus operates in periodic pulses rather than continuous emission, activating only during critical phases such as launch and flight. This pulsed operation mode provides sufficient visibility for tracking while dramatically reducing overall energy consumption compared to continuous lighting.
Solution Approach 2:
The light emission duration and intensity are dynamically adjusted based on flight conditions and remaining energy levels. The system activates the light when needed for tracking purposes and deactivates it when not required, optimizing the balance between visibility and energy conservation throughout the projectile's flight and retrieval cycle.
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
The visible light from the projectile enhances the shooter's ability to view its flight path and impact location, improving accuracy and retrieval efficiency across different lighting conditions.
Implementation Method 1
the light-emitting apparatus emits light when the switch member is in the second position... when the pressure inside the barrel increases to eject the projectile, the pressure also causes the switch member to move from the first position to the second position
Data Source
AI summary
A projectile for use with an air gun includes a light-emitting apparatus and a switch the controls the light-emitting apparatus. The switch is sensitive to pressure and causes the light-emitting apparatus to emit visible light in response to gas pressure that ejects the projectile from the air gun. The visible light assists a shooter in observing the flight path of the projectile and may assist the shooter in tracking a target animal by increasing the visibility of the projectile after it has impacted the target animal.