J Class Rocket Motor

AeroTech J125W

AeroTech
White Lightning
Ø 54mm
Total Impulse
1202.4Ns
Burn Time
7.75s
Avg Thrust
125.0N
Max Thrust
338.9N

Thrust Profile (N)

7.75s Burn Window

Engineered by AeroTech, the J125W is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official J-class motor, it delivers a total impulse of 1202.4 Ns over a 7.75 second burn window.

With an average thrust of 125.0 N and a peak of 338.9 N, it features a regressive thrust curve optimal for heavy rockets requiring high off-the-pad acceleration. It utilizes the White Lightning propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 54 mm
Length 368 mm
Hardware SU 54x368
Delays (s) P
Specific Impulse 191.9 s
Peak Thrust 285.16 N
Peak Time T+ 1.229s
T/W Ratio 9.89
Propellant White Lightning
Profile regressive
Type SU
Sparky No

Mass Budget

1288g Total
Casing (Dry)
649.3g
50.4%
Propellant
638.7g
49.6%
Live Sizing
Flight Envelope

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