
Parameters
Bottle Volume 6000 cc
Diameter 78 mm
Water Fill 2000 cc
Launch Pressure 1317 Kpa (191 PSI, 13.00 Bar)
Nozzle diameter 20.0 mm
Nozzle viscous losses 0.16
Dry mass 760.0 grams
Coefficient of drag 0.30
Initial Velocity 0.0 m/s
Launch Tube length 1200.0 mm
Launch Tube diameter 20.0 mm
Results
Launch and thrust phase
Thrust at start of launch tube 366.6N
Left launch tube at 17.8 m/s after 33ms
Thrust just after launch tube 778.6N
Initial burn acceleration 272.2 m/s2 (27.8G)
Average acceleration 471.1 m/s2 (48.0G)
Burnout
Burnout after 183 milliseconds
Burnout Velocity 86.4 m/s
(311.1 kmh, 193.3mph)Burnout Altitude 7.4 metres (24.4 feet)
Burnout acceleration 473.3 (48.3G)
Drag force at burnout 3.5 newton (0.4kgf)
Deceleration due to drag 0.5G
Speed increase due to air pulse 18.9m/s
Coast
Drag-free coast 380.7 metres to apogee at 388.1 metres after 9.0 seconds
Actual apogee at 281.39 metres (923.2 feet) after 7.28 seconds
Crashdown
Crashdown speed 63.9 m/s (230.0 kmh, 143.0mph)
Total flight time 15.26 seconds
Geändert von Twister am 04. April 2007 um 10:16