Determine the size of tube fins for tube-finned rockets.
Calculate the dimenisions for a shroud or template.
Use the Rocket Motor Guide to determine the right motors to use in your rocket.
Select two motors and compare their time-thrust curves and specifications.
View combined time-thrust curves and specifications for staged and clustered motors.
View a list of the o-ring sizes used by reloadable motors.
Enter the weight of your rocket and the size of the parachute to estimate the rate at which your rocket will descend.
Estimate the size of the parachute to use for your rocket.
Calculate the size of the streamer to use for your rocket.
Get help picking the best name for your rocket.
Print flight cards before a launch to save time during the launch.
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