Pneumatic Launcher with Interchangeable Launch Adapter
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Solution Overview
Problem
Existing toy pneumatic launchers are typically designed to launch either foam balls or foam rockets, resulting in compromised designs that can be dangerous due to undersized or oversized projectiles.
Innovation Solution
A selectively configurable pneumatic launcher with a main tube and a slide tube that can be adapted to launch either toy ball projectiles or toy rocket projectiles using a launch adapter that aligns an elongated launch tube with the main tube.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a pneumatic launcher is designed to launch foam balls from inside the launch tube, then the launcher can effectively launch balls, but it cannot launch foam rockets from outside the launch tube
Solution Approach 1:
The launcher is divided into a main body and a removable launch tube assembly. The launch tube can be detached and replaced based on the projectile type being launched. This segmentation allows the launcher to accommodate both foam balls and foam rockets without requiring a completely different launcher design for each projectile type.
Solution Approach 2:
The main launcher body is designed with universal compatibility to work with different launch tube configurations. By providing both a standard launch tube for foam balls and an extended launch tube for foam rockets, the same base launcher can perform multiple functions - launching both types of projectiles safely and effectively.
2Adaptability or versatility
If a pneumatic launcher is designed to launch foam rockets from outside the launch tube, then the launcher can effectively launch rockets, but it cannot launch foam balls from inside the launch tube
Solution Approach 1:
The launch tube is segmented into a removable component that can be detached from the main launcher body. This allows users to switch between a standard launch tube configuration for foam balls and an extended launch tube configuration for foam rockets, providing versatility without permanent structural complexity.
Solution Approach 2:
The launcher incorporates universal design elements that allow it to accommodate both foam ball and foam rocket launching configurations. The main body remains the same, but the launch tube assembly can be adjusted or replaced to match the specific projectile being launched, enabling multi-functional operation.
3Productivity
If foam balls are made undersized for the launcher, then they can be launched, but they fly too slow to be effective
Solution Approach 1:
The launch tube geometry parameters (diameter, length, internal contours) are specifically optimized for foam ball launching. By adjusting these parameters to match the projectile dimensions, the launcher achieves optimal pneumatic pressure distribution and launch velocity, ensuring foam balls fly at safe and effective speeds rather than too slowly.
4Productivity
If foam rockets are made oversized for the launcher, then they can be launched, but they fly too fast to be safe
Solution Approach 1:
The launch tube parameters are specifically designed for foam rocket launching, including appropriate diameter, length, and internal geometry. These parameter optimizations ensure that pneumatic pressure is distributed correctly to launch foam rockets at safe velocities, preventing excessive speed that would be harmful, while still achieving effective launch capability.
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 safe and efficient launching of both foam balls and foam rockets without compromising their size and shape, ensuring consistent performance and safety.
Implementation Method 1
A piston is then moved in the tube to create pneumatic pressure. The pneumatic pressure forces the foam projectile out of the tube with enough velocity for the foam project to take flight.
Implementation Method 2
The channel in the project is long and significant friction exists between the channel and the narrow launch tube. When the pneumatic launcher is activated, pressure builds in the narrow launch tube until the frictional forces are overcome and the project rapidly launches away from the narrow launch tube.
Data Source
AI summary
A projectile launcher that can be selectively configured to either launch toy ball projectiles or launch toy rocket projectiles. The projectile launcher is a pneumatic launcher that has a main tube. The main tube terminates with a launch head. A slide tube engages the main tube in a telescoping manner. The relative movement of the slide tube and the main tube displaces air through the launch head. The projectile launcher is normally configured to launch toy ball projectiles. By adding a launch adapter to the launch head, the projectile launcher can be configured to launch toy rocket projectiles. The launch adapter has an elongated launch tube and a base. The base is selectively attachable to the launch head. This concentrically aligns the elongated launch tube with the main tube. A toy rocket projectile can be paced over the elongated launch tube.