Projectile Fin Deployment Retaining Clip Mechanism
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing projectile systems face challenges in deploying control surfaces without interference during launch, as they may cause damage to neighboring structures or impede the projectile's path if extended prematurely.
Innovation Solution
A fin deployment system comprising a retaining system that selectively holds control surfaces in a nondeployed state until a specified event or condition occurs, utilizing biasers and retainers to ensure controlled deployment after launch, allowing the projectile to clear obstructions before extending the fins.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If control surfaces are extended during launch, then flight control capability is improved, but damage to neighboring structures or obstruction of projectile path occurs
Solution Approach 1:
The control surfaces are prepared in a non-deployed state during launch, and the deployment action is delayed until after the projectile clears the launch tube. The biasing mechanism is pre-configured to automatically deploy the surfaces when the retaining condition is no longer active, ensuring timely deployment without manual intervention.
Solution Approach 2:
The control surfaces transition from a static non-deployed state during launch to a deployed state after launch. The system dynamically adapts the configuration of control surfaces based on the flight phase, using biasing forces to automatically adjust the surface position as the projectile accelerates and clears the launch tube.
2Object-affected harmful factors
If control surfaces are held in nondeployed state during launch, then damage to structures is prevented, but flight control capability is reduced
Solution Approach 1:
The control surfaces are prepared in a non-deployed state during launch, and the deployment action is delayed until after the projectile clears the launch tube. The biasing mechanism is pre-configured to automatically deploy the surfaces when the retaining condition is no longer active, ensuring timely deployment without manual intervention.
Solution Approach 2:
The system uses the physical condition of projectile motion (clearing the launch tube) as feedback to trigger deployment. The biasing mechanism responds to the change in retention condition, automatically transitioning the control surfaces from non-deployed to deployed state based on the projectile's flight phase.
Data Source
Figure 1
Figure 2A~2B
Figure 3
AI summary
Methods and apparatus for deploying control surfaces generally comprise a fin deployment system for projectiles. the fin deployment system is used to control the timing of the control surface deployment. In one embodiment, the deployment system comprises a clip that is configured to react the biasing force of one control surface against another in order to maintain the control surfaces in a non-deployed state until at least one control surface is able to overcome the retention force of the clip, thus beginning a chain reaction in which all of the control surfaces deploy sequentially.