K Class Rocket Motor

Loki K250-LW

Loki Research
Loki White
Ø 54mm
Total Impulse
1607.7Ns
Burn Time
6.48s
Avg Thrust
250.0N
Max Thrust
728.3N

Thrust Profile (N)

6.48s Burn Window

Engineered by Loki Research, the K250-LW is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official K-class motor, it delivers a total impulse of 1607.7 Ns over a 6.48 second burn window.

With an average thrust of 250.0 N and a peak of 728.3 N, it features a regressive thrust curve optimal for heavy rockets requiring high off-the-pad acceleration. It utilizes the Loki White propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 54 mm
Length 499 mm
Hardware 54/2000
Delays (s) P
Specific Impulse 168.1 s
Peak Thrust 800 N
Peak Time T+ 0.03s
T/W Ratio 14.23
Propellant Loki White
Profile regressive
Type reload
Sparky No

Mass Budget

1791g Total
Casing (Dry)
816.0g
45.6%
Propellant
975.0g
54.4%
Live Sizing
Flight Envelope

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