Weight of the rocket including motor hardware, but no
propellant. You can find the motor hardware weight here.
Descent rate in feet / second. A
good rule of thumb is 15 feet per second for main chute descent rate, and 50
feet per second for drogue chute descent rate.
Launch site elevation
Number of Parachutes (Assumes all chutes will be of equal size)
Type of Parachutes
You need inch diameter parachute(s)
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