K Class Rocket Motor

AeroTech K550W

AeroTech
White Lightning
Ø 54mm
Total Impulse
1539.1Ns
Burn Time
3.88s
Avg Thrust
396.8N
Max Thrust
655.3N

Thrust Profile (N)

3.88s Burn Window

Engineered by AeroTech, the K550W is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official K-class motor, it delivers a total impulse of 1539.1 Ns over a 3.88 second burn window.

With an average thrust of 396.8 N and a peak of 655.3 N, it features a neutral thrust curve optimal for general sport flying. It utilizes the White Lightning propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 54 mm
Length 410 mm
Hardware RMS-54/1706
Delays (s) 6,8,10,12,14
Specific Impulse 176.5 s
Peak Thrust 797.94 N
Peak Time T+ 0.985s
T/W Ratio 27.19
Propellant White Lightning
Profile neutral
Type reload
Sparky No

Mass Budget

1487.36g Total
Casing (Dry)
598.3g
40.2%
Propellant
889.1g
59.8%
Live Sizing
Flight Envelope

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Comparable K-Class Alternatives

1176K1720-P

AMW

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dual-peak
Total: 1176 Ns
Ø 54mm

1281K360-13A

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K456DM

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regressive
Total: 1281 Ns
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835CC125J-K240

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regressive
Total: 1292 Ns
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SK-54-1750

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K
neutral
Total: 1300 Ns
Ø 54mm

K400C

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K
regressive
Total: 1304 Ns
Ø 54mm
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