Rocket Post #3

Hey, everybody. Today we launched a bit more and tested out some of our modifications. First, we started out with launching an unmodified bottle to give us something to base our results on. We used 500ml of water as fuel, and pumped it 11 times. This got it to stay in the air for 5 seconds, which is half-way to our quota time. The second launch was with the modified bottle, which we made longer by adding another bottle on. We used the same amount of fuel, but pumped it 15 times. This time, the rocket stayed in the air for 6 seconds, which doesn't seem like much gain, but it's still progress. In the next post, we'll be launching with a parachute attached.