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Find the max weight rocket for your engine

As stated on the Information page rocket engines are labeled with a letter (A-O), but they are also labeled with two numbers also. An example would be A8-3 the letter is the total impulse of the engine, the first number is the average thrust of the engine during its burn and the last number is how many seconds delay before the ejection charge deployes the parachute. For safety you should have at least a 5:1 thrust to weight ratio between your engine and the weight of your rocket. There is a field on the bottom of this page where you can enter the average thrust of your engine and it will tell you what the max weight of your rocket should be for that engine.



Average thrust :

The number returned is in pounds, click the Reset Field button to clear the input field, if you want to clear the returned value just click the Clear Value button.