Separable Sabot with Delayed Panel Release
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Solution Overview
Problem
Existing launchable devices with sabots face challenges in providing comprehensive protection and compatibility during handling, transportation, and launch, while also ensuring clean separation and communication with the launcher, and preventing tipoff during exit.
Innovation Solution
A sabot design featuring panels that enclose a payload, a cap with delay pins for controlled panel release, and a base plate that separates using pressurized gases, along with an inductive coil interface for communication, ensuring protection, compatibility, and clean separation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the sabot uses a fixed closed structure during launch, then protection and containment are improved, but separation cleanliness and prevention of tipoff deteriorate
Solution Approach 1:
The sabot is divided into multiple separable panels that can be held together during launch and then separated cleanly after launch. The panels are connected through a hinge mechanism that allows controlled separation, achieving both protection during launch and clean separation afterward.
Solution Approach 2:
The sabot transitions from a static closed structure during launch to a dynamic separable structure after launch. The panels are designed to rotate outward about a base plate using hinge mechanisms, enabling controlled separation that prevents tipoff while achieving clean separation.
2Reliability
If the sabot panels are held tightly closed during handling, then protection is improved, but separation mechanism complexity increases
Solution Approach 1:
The separation mechanism uses self-releasing hinges that automatically allow panel separation after launch without requiring additional actuation systems. The hinges are designed to transition from a locked closed position during handling to an unlocked separable position after launch, reducing overall system complexity.
3Strength
If the sabot maintains a rigid closed structure, then structural strength is improved, but separation speed and cleanliness deteriorate
Solution Approach 1:
The rigid structure is segmented into multiple panels that can separate independently and simultaneously. This segmentation allows the structure to maintain strength during launch while enabling rapid clean separation afterward, as all panels separate together rather than sequentially.
Solution Approach 2:
The separation occurs as a periodic event triggered after launch, where all panels rotate outward simultaneously about the base plate. This periodic action ensures rapid separation speed while maintaining structural integrity during the launch phase.
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 sabot effectively protects the payload during handling and launch, enables smooth separation, and facilitates communication with the launcher, preventing tipoff and ensuring reliable operation across various launchers.
Implementation Method 1
an inductive coil interface for communication
Implementation Method 2
separating the base plate from the payload
Data Source
AI summary
A sabot is used for enclosing a payload, such as a missile or projectile, during launch. The sabot includes a series of panels that are held together prior to launch by engagement with a cap having protrusions or delay pins that maintain the panels in a closed condition. When the launch is initiated, the cap begins to slide out of engagement with the panels. The cap is configured such that the disengagement does not occur immediately upon movement of the cap; instead the protrusions are sized to delay opening of the panels until the sabot and missile have cleared the launcher. Then the panels rotate outward and drop away from a base the sabot, for example using self-releasing hinges. The base of the sabot may be configured to disengage from the payload by introduction of pressurized gases into a space between the base and an aft end of the missile.