Total Impulse
1657.0Ns
Burn Time
7.04s
Avg Thrust
235.0N
Max Thrust
477.5N
Thrust Profile (N)
7.04s Burn WindowEngineered 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 TotalCasing (Dry)
1613.0g
78.2%
Propellant
450.0g
21.8%
Live Sizing
Flight Envelope
Design wings in your spreadsheet
AeroSheet loads airfoils directly into Google Sheets. Polars, 3D splines, Fusion 360 export, without leaving your spreadsheet.
Install in Google Sheets coming soon Comparable K-Class Alternatives
1176K1720-P
AMW
K
dual-peak
Total: 1176 Ns
Ø 54mm
1281K360-13A
Cesaroni
K
neutral
Total: 1281 Ns
Ø 54mm
K456DM
AeroTech
K
regressive
Total: 1281 Ns
Ø 54mm
835CC125J-K240
Hypertek
K
regressive
Total: 1292 Ns
Ø 54mm
SK-54-1750
AMW
K
neutral
Total: 1300 Ns
Ø 54mm
K400C
AeroTech
K
regressive
Total: 1304 Ns
Ø 54mm
Veenie Kit
Need a custom engineering simulator?
The 3D engine on this page is built by Veenie Aerospace. We build bespoke, browser-native digital twins, aerodynamic simulators, and AI physics tools for UAV startups and defense contractors.