Dual Deployment allows you to retrieve your rocket closer to the launch pad by ejecting two different size parachutes from the rocket. This is done with a special altimeter. How do you mount the altimeter into the model rocket? How do you connect the ejection charges to the electronics? These are questions that are answered in this video. This is a continuation from Part 1 at: www.youtube.com/watch?v=KFbQ17y98hU . Part 3 of this series is located at: www.apogeerockets.com/Rocketry_Videos/Rocketry_Video_28.asp