Descent Calculator - Finding the Right Sized Chute for your Rocket



Unless you have a small launch site or fly on soft ground, round up the number shown to our next highest parachute size.


Walking a bit further is better than damaging your rocket!

Recommendations:

Up to 2 oz 12"
3-8 oz 18"
9-15 oz 24"
16-23 oz 30"
24-35 oz 36"
36-47 oz 42"
48-64 oz 48"

Please note that this is only an approximation. Use your own judgment and consider your launch site to make your decision.

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Simulating Chutes with Rocksim

Click here to download our RockSim files. Save the files and follow the picture tutorial.

Add a Subassembly



Put the Subassembly inside the body tube you want it inside



Load a RocketChutes.com Subassembly from the zipped file



Choose a suitable sized chute



Make sure your values are all correct, and then you're done!