This blog covers the day to day progress of water rocket development by the Air Command Water Rockets team. It is also a facility for people to provide feedback and ask questions.

Sunday, June 12, 2011

How much water?

One of the more common questions that's often asked is how much water should I put in my water rocket? The standard answer usually is 1/3 of the rocket capacity, but because the ideal amount of water is dependent on a number of factors this amount is rarely exactly 1/3 .

This week we look at how some of these different factors affect the optimum water amount:

The article compares how the optimum changes with pressure, nozzle size, weight and liquid density.


Rodrigo said...

Good Article! It´s really usefull.


well congratulations for your efforts with rockets.

if I understood better in lower density, and the hot water?

to lose my English googel

Otto said...

Good job =)