Plastic Jacketed Training Projectile for Cost Reduction
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Solution Overview
Problem
Conventional training cartridges for short distances are costly and environmentally problematic due to the use of metallic materials, and they require separate systems for training and operational conditions, which can lead to unrealistic training scenarios and increased maintenance costs.
Innovation Solution
A training cartridge with a projectile core made of metal, plastic, or a mixture of both, encased in a plastic jacket, which provides similar ballistic properties to conventional projectiles while being more environmentally friendly and cost-effective, and a cartridge case made of plastic for reduced environmental impact and easier production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If conventional metallic materials are used for projectiles and cartridge cases, then the structural strength and ballistic performance are improved, but the production cost increases and environmental pollution occurs
Solution Approach 1:
The projectile uses a composite structure with a metal core (providing strength and weight) surrounded by a plastic jacket (reducing pollution). The cartridge case uses a composite of plastic and metal components, combining the environmental benefits of plastic with the structural advantages of metal where needed.
Solution Approach 2:
Different materials are applied to different parts of the projectile based on local requirements: the core uses metal for strength and mass, while the outer jacket uses plastic for environmental friendliness. This localized material selection optimizes both performance and environmental impact.
2Ease of operation
If separate training and operational weapon systems are maintained, then the training conditions can be optimized, but the device complexity and maintenance costs increase
Solution Approach 1:
The training cartridge is designed to be compatible with standard operational firearms, allowing the same weapon system to serve both training and operational purposes. The cartridge dimensions, firing mechanism, and ballistics are standardized to work with conventional rifles, eliminating the need for separate training weapon systems.
3Use of energy by moving object
If metallic materials are used for projectiles, then the ballistic properties are improved, but the production cost and environmental impact worsen
Solution Approach 1:
The projectile combines metal core (for density and ballistic performance) with plastic jacket (for cost-effective manufacturing and environmental benefits). This composite approach maintains the necessary ballistic properties while reducing production costs and environmental impact compared to fully metallic projectiles.
Data Source
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AI summary
The invention relates to a training projectile (1) for short-range use, in particular less than 100 meters, comprising a front region (2), which extends along a central axis (M) and which comprises a projectile tip (3), and comprising a tail region (4), which adjoins the front region (2) in the direction of the central axis (M) and which comprises a projectile end (5). The tail region (4) is designed for receiving the projectile (1) in a cartridge case (6). The projectile (1) comprises a projectile core (7) made of metal and a jacket (8) which surrounds the projectile core (7), determines the outer shape of the projectile (1), and is made of plastics.