K Class Rocket Motor

AeroTech K250W

AeroTech
White Lightning
Ø 54mm
Total Impulse
2353.0Ns
Burn Time
9.00s
Avg Thrust
250.0N
Max Thrust
545.8N

Thrust Profile (N)

9.00s Burn Window

Engineered by AeroTech, the K250W is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official K-class motor, it delivers a total impulse of 2353.0 Ns over a 9.00 second burn window.

With an average thrust of 250.0 N and a peak of 545.8 N, it features a regressive thrust curve optimal for heavy rockets requiring high off-the-pad acceleration. It utilizes the White Lightning propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 54 mm
Length 673 mm
Hardware Single Use
Delays (s) P
Specific Impulse 167.3 s
Peak Thrust 418.67 N
Peak Time T+ 0.999s
T/W Ratio 11.52
Propellant White Lightning
Profile regressive
Type SU
Sparky No

Mass Budget

2211.33g Total
Casing (Dry)
777.3g
35.2%
Propellant
1434.0g
64.8%
Live Sizing
Flight Envelope

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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
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