K Class Rocket Motor

Contrail K234-BG

Contrail Rockets
Unknown
Ø 54mm
Total Impulse
1657.0Ns
Burn Time
7.04s
Avg Thrust
235.0N
Max Thrust
477.5N

Thrust Profile (N)

7.04s Burn Window

Engineered by Contrail Rockets, the K234-BG is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official K-class motor, it delivers a total impulse of 1657.0 Ns over a 7.04 second burn window.

With an average thrust of 235.0 N and a peak of 477.5 N, it features a neutral thrust curve optimal for heavy rockets requiring high off-the-pad acceleration.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 54 mm
Length 1263 mm
Hardware 54 48 S BG
Delays (s) P
Specific Impulse 375.3 s
Peak Thrust 396.92 N
Peak Time T+ 0.235s
T/W Ratio 11.61
Propellant Standard
Profile neutral
Type hybrid
Sparky No

Mass Budget

2063g Total
Casing (Dry)
1613.0g
78.2%
Propellant
450.0g
21.8%
Live Sizing
Flight Envelope

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