Descent Rate Calculator

Descent Rate Calculator script version 3.2.2 (c)1998 by Jordan Hiller.

Add this calculator to your page!

This page allows you to predict the speed at which your rockets will descend.

Enter rocket mass in oz:
Enter parachute diameter in inches:

Choose the shape of your parachute (Choose the closest shape to the shape of your chute if it is not listed here)

How did you measure the diameter of your chute (if it isn't a circle)?

Choose a unit to calculate with

Descent speed:

There is a rule of thumb that a rocket should hit the ground at about 15 ft/sec or slower for a safe landing. Your parachute should be about inches ǘ to come down at this speed.

Hit the "Clear" button to clear the form and re-enter your data



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