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Professional water rocket guide

Step 9Launchers

Launchers
The laucher that my water rockets are made for was designed by Nasa.
The launcher lets you vary the nozzle size so you can get better performance from your rocket.

The next few steps will show you how to make it.

Update:
PDF from NASA  below
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Author:oscarthompson
I like to make instructables which are fun to build or make. I'm instrested in rockets, Bikes science and Rowing. send me a message if you have any questions.