DATA SHEET

Flight One Flight Two Body: Payload Height (cm): 1.905 Nozzle Radius (cm):.9525 Fairing: Yes Fairing radius (cm): .007 oz/in2 Nose Cone: Shape: conical Material:Cardboard Propulsion: Water (liters):? Pressure (KPa): ? Fin Design: Fin Height: 1.5 Fin Shape: trapezoidal Number of Fins: 3 Fin Dimensions: 1.5 by 1 by 0 Body: Payload Height (cm): 1.905 Nozzle Radius (cm): .9525 Fairing: Yes Fairing radius (cm): .007 oz/in2 Nose Cone: Shape: Conical Material: Cardboard Propulsion: Water (liters): ? Pressure (KPa): ? Fin Design: Fin Height:  1.5 Fin Shape: Trapezoidal Number of Fins: 4Fin Dimensions: 1.5 by 1 by 0 Launch Stats: Max Altitude (m): 34 Max Velocity (m/s): 24 Launch Stats: Max Altitude (m): 26 Max Velocity (m/s): 17 This is my data.  I, like Emily, decided to only change one factor at a time.  The factor that i decided to change was the number of fins. When i had less fins, it made the rocket lighter.  This made the rocket go higher and faster then the rocket with 4 fins.  From this data, i have concluded that Emily and i should use not 4, but 3 fins.