MAKE SURE THAT

1) the parachute is properly folded and is not jammed in the body;

2) fire proof wadding is inserted to protect the parachute from melting;

3) the nose cone is NOT on too tightly and can be easily removed;

4) fins and launch lug are properly aligned along the body of the rocket;

5) no fin is glued under the launch lug;

7) fins are poperly glued onto the body of the rocket.

Click to see the internal view of the rocket.