K Class Rocket Motor

AeroTech K185W

AeroTech
White Lightning
Ø 54mm
Total Impulse
1417.2Ns
Burn Time
6.87s
Avg Thrust
185.0N
Max Thrust
404.7N

Thrust Profile (N)

6.87s Burn Window

Engineered by AeroTech, the K185W is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official K-class motor, it delivers a total impulse of 1417.2 Ns over a 6.87 second burn window.

With an average thrust of 185.0 N and a peak of 404.7 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 437 mm
Hardware RMS-54/1706
Delays (s) 6,8,10,12,14
Specific Impulse 172.6 s
Peak Thrust 339.68 N
Peak Time T+ 1.359s
T/W Ratio 13.15
Propellant White Lightning
Profile regressive
Type reload
Sparky No

Mass Budget

1434.05g Total
Casing (Dry)
597.3g
41.7%
Propellant
836.8g
58.3%
Live Sizing
Flight Envelope

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