Rocket Motor Impulse Classification Table
In Pounds
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Letter Class
Pound Seconds Total Impulse
A
.283 - .562
B
.562 - 1.125
C
1.125 - 2.25
D
2.25 - 4.5
E
4.5 - 9
F
9 - 18
G
18 - 36
H
36 - 72
I
72 - 144
J
144 - 288
K
288 - 575
L
575 -1,151
M
1,151 - 2,301
N
2,301 - 4,602
O
4,602 - 9,204
P
9,204 - 18,409