Descent Rate Calculator

Aerocon Systems Descent Rate Calculator

Descent Rate Calculator

This page allows you to predict the speed at which your rockets will descend. Enter the weight of your rocket in the first box, the diameter of your chute in the second box, and select one of the Calculate options.

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

Descent speed: 

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

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



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