J Class Rocket Motor

AeroTech J450DM

AeroTech
Dark Matter
Ø 54mm
Total Impulse
1055.0Ns
Burn Time
2.27s
Avg Thrust
465.0N
Max Thrust
558.0N

Thrust Profile (N)

2.27s Burn Window

Engineered by AeroTech, the J450DM is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official J-class motor, it delivers a total impulse of 1055.0 Ns over a 2.27 second burn window.

With an average thrust of 465.0 N and a peak of 558.0 N, it features a dual-peak thrust curve optimal for general sport flying. It utilizes the Dark Matter propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 54 mm
Length 359 mm
Hardware Single Use
Delays (s) 6,8,10,12,14
Specific Impulse 210.9 s
Peak Thrust 541.42 N
Peak Time T+ 0.802s
T/W Ratio 38.76
Propellant Dark Matter
Profile dual-peak
Type SU
Sparky Yes

Mass Budget

1223g Total
Casing (Dry)
713.0g
58.3%
Propellant
510.0g
41.7%
Live Sizing
Flight Envelope

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Comparable J-Class Alternatives

J245-BG

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440CC076J-J115

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J355-BG

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683J250-15A

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699J145-19A

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J250W

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Total: 704 Ns
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