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This handy table allows you to locate motor information by impulse class, diameter or both. The row and column headers match all motors of that impulse class or diameter and the numbers in the cells indicate how many motors match. Click on any link to be taken to ThrustCurve.org for the in-depth motor data.

ThrustCurve.org Motor Data Table

Maximum Thrust
Motor Diameter (in millimeters)
Class Pounds Newtons 10 13 18 21 24 25 27 29 32 38 54 75 76 81 98 111
1/4A 0.14 0.625 1 2













1/2A 0.28 1.25 1 1 2












A 0.56 2.50 1 3 6












B 1.12 5.00 1 1 11












C 2.25 10.00
1 11












D 4.49 20.00

4 2 6










E 8.99 40.00

3 1 10
1 2







F 17.98 80.00



7
3 13 2






G 35.96 160.00



3

12 1






H 71.91 320.00




3
13
7





I 143.82 640.00






4
20 4




J 287.64 1,280.00








6 18 1
1

K 575.28 2,560.00









9 3
1 1
L 1,150.56 5,120.00









3 2 3
1 4
M 2,301.12 10,240.00










1 3
2
N 4,602.25 20,480.00













1
O 9,204.49 40,960.00















Submitted by: David Harbaugh


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