Model Rocket Launcher Safety

Estes’ rocket launcher system has two mistake-proofing devices:

1. A safety key must be inserted in control box inorder to launch the rocket.  The key is attached to a plastic cap that is supposed to be put on the end of the launch pad guide rod.  Thus locking out a launch while people are nearby. It’s weakness is that there is no mechanism for enforcing the devices use.

2. A light is provided on the control box that lights when the circuit to the rocket motor is properly attached. When the saftey key is in and the light is on, pushing the button should result in successful launch.


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