Exploding Compressed Air Rocket

A 3D printable rocket designed to work with the Make: Compressed Air Rocket kit. http://makeprojects.com/Project/Compressed-Air-Rocket/585/1#.UAxRPzGe5sE
Printed in two pieces from PLA on an Ultimaker, these rocket look great, and might work great... OR MIGHT EXPLODE. One lasted for three successful launches before breaking into two pieces on landing. The other two shattered on launch. Oh, the Humanity!
Photo & Videos: http://www.flickr.com/photos/cbonsig/sets/72157630700622384/