J Class Rocket Motor

KBA J405S

Kosdon by AeroTech
Unknown
Ø 38mm
Total Impulse
722.0Ns
Burn Time
1.93s
Avg Thrust
405.0N
Max Thrust
518.0N

Thrust Profile (N)

1.93s Burn Window

Engineered by Kosdon by AeroTech, the J405S is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official J-class motor, it delivers a total impulse of 722.0 Ns over a 1.93 second burn window.

With an average thrust of 405.0 N and a peak of 518.0 N, it features a neutral thrust curve optimal for general sport flying.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 38 mm
Length 476 mm
Hardware 38-800
Delays (s) P
Specific Impulse 200.5 s
Peak Thrust 528.5 N
Peak Time T+ 0.009s
T/W Ratio
Propellant Standard
Profile neutral
Type reload
Sparky No
Mass Budget Unavailable
Live Sizing
Flight Envelope

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