Total Impulse
903.4Ns
Burn Time
6.10s
Avg Thrust
148.0N
Max Thrust
182.3N
Thrust Profile (N)
6.10s Burn WindowEngineered by Ellis Mountain, the J148 is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official J-class motor, it delivers a total impulse of 903.4 Ns over a 6.10 second burn window.
With an average thrust of 148.0 N and a peak of 182.3 N, it features a regressive thrust curve optimal for sustainer stages and high-altitude attempts.
Technical Specifications
Tripoli Rocketry Association, Inc.Diameter 54 mm
Length 356 mm
Hardware Single Use
Delays (s) P
Specific Impulse 257.8 s
Peak Thrust 218.01 N
Peak Time T+ 0.139s
T/W Ratio 12.8
Propellant Standard
Profile regressive
Type reload
Sparky No
Mass Budget
1179g TotalCasing (Dry)
821.8g
69.7%
Propellant
357.2g
30.3%
Live Sizing
Flight Envelope
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