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Rocket Motors

Coast Rocketry is proud to represent these fine product lines.

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Rocket motors are classed by impulse code. This code is shown in the form of a letter starting at A. Each letter represents the range of total thrust for that letter. (See table below)  Motor A to D are considered low power, E to G are considered mid power and H - O are high power motors.

 

 

Low Power

Motor

Impulse Range (Ns)

No Certification Required

A

> 1.25 - 2.5

B

> 2.5 - 5

C

> 5 - 10

D

> 10 - 20

 

 

Mid Power

Motor

Impulse Range (Ns)

No Certification Required

E

> 20 - 40

F

> 40 - 80

G

> 80 - 160

 

 

High Power

Motor

Impulse Range (Ns)

CAR Cert Levels

TRA Cert Levels

H

> 160  - 320

1

1

I

> 320 - 640

2

J

> 640 - 1280

3

2

K

> 1280 - 2560

L

> 2560 - 5120

M

> 5120 - 10240

4

3

N

> 10240 - 20480

O

> 20480  40960

 

 


 

Photo Courtesy of Mike Dolan

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