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follow the links to read commentaries, see photos and videos.

  This site was created on the 15th April 2003


Flight stability

Finding the center of mass

Determination of nose cone separation

Variable nose mass

Launching systems

Creating an efficient jet


 The Research Page


Rocket performance parameters


PET Bottle explosion standard.

  • Remote pressure test .

  • Test stand capable of controlling high test pressures .

  • Test videos. 

  • Health and safety standards.


  • An introduction to boundary layer fluid flow.

  • Reynould's number.

  • Mach number.

  • Knudsen number.



  • Static electricity control

  • Parachute packing

  • Parachute material memory comparison

  • Cord attachment

The real thing courtesy esa


last update : 02/10/06

This site was created on the 15th April 2003


 ŠJohn Gwynn and sons2003 

You're welcome to reproduce any material on this site for educational or other non commercial purposes

 as long as you give us proper credit (by referring to "The Water-Rocket Explorer" http://waterocket.explorer.free.fr).