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Our new descent rate calculator is there
Click the link below if the page doesn't refresh
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.
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
Aerocon Systems 2008