J Class Rocket Motor

AeroTech J340M

AeroTech
Metalstorm
Ø 38mm
Total Impulse
651.7Ns
Burn Time
1.84s
Avg Thrust
354.1N
Max Thrust
605.0N

Thrust Profile (N)

1.84s Burn Window

Engineered by AeroTech, the J340M is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official J-class motor, it delivers a total impulse of 651.7 Ns over a 1.84 second burn window.

With an average thrust of 354.1 N and a peak of 605.0 N, it features a regressive thrust curve optimal for general sport flying. It utilizes the Metalstorm propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 38 mm
Length 337 mm
Hardware RMS-38/720
Delays (s) 6,8,10,12,14
Specific Impulse 182 s
Peak Thrust 606.52 N
Peak Time T+ 0.026s
T/W Ratio 62.53
Propellant Metalstorm
Profile regressive
Type reload
Sparky Yes

Mass Budget

577.3g Total
Casing (Dry)
212.3g
36.8%
Propellant
365.0g
63.2%
Live Sizing
Flight Envelope

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