When we launched it there was no wind and perfect flying weather, but it was only launched at 80psi because the staging mechanism was leaking. This may be the problem why it flew in a big arch. Its strange why the staging mechanism failed because it had worked in all our previous tests. The explosion was really loud and it echoed for while, we are so glad that it didn't land too close to us!
This rocket idea is going to be scrapped because we have had to many problems with 2 stage rockets, we will stick with using single stage rockets because they are much simpler and more reliable. The next project will probably be a new 8L rocket with reinforced bottles and we will attempt to beat our old record of 408ft