The Perfectflite Altimeter stores a lot of flight data. But it only beeps out the highest altitude. If you would like to see the information about the rest of the flight, you'll need to transfer the stored data to your computer. This is done through a data cable and some software for your computer. The USB data connection/transfer unit which allows you to retrieve ALL the flight data from the unit, not just the peak altitude. You can download flight data from lift-off to landing. The data connection/transfer unit simply plugs into a small connector built into the altimeter. The other end of the cable then connects to your PC or Macintosh computer through a USB port. The altimeter records the rockets altitude ten times per second during the flight. So you'll get data showing the altitude of the rocket at any time during the flight. The software that comes with the data connection unit will automatically graph out the flight of the rocket. Once you download the data from the altimeter, you can export it to a spreadsheet program and figure out the speed and acceleration of the rocket during the flight. Remember, speed is simply the change in altitude of the rocket, and acceleration is the change in speed. So with a simple spreadsheet program, you really have access to a lot of information about the rocket. It is the data you need to write up great reports about your rocketry projects. Imagine the educational aspects of this! For example, as an educational exercise, you can create a comparison of the rocket's peformance versus the predict values computed by the RockSim software. Requires the PerfectFlite Altimeter (not included).
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