K Class Rocket Motor

AeroTech HP-K535W

AeroTech
White Lightning
Ø 54mm
Total Impulse
1434.0Ns
Burn Time
2.80s
Avg Thrust
535.0N
Max Thrust
655.0N

Thrust Profile (N)

2.80s Burn Window

Engineered by AeroTech, the HP-K535W is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official K-class motor, it delivers a total impulse of 1434.0 Ns over a 2.80 second burn window.

With an average thrust of 535.0 N and a peak of 655.0 N, it features a regressive 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 358 mm
Hardware Single Use
Delays (s) 6,8,10,12,14
Specific Impulse 196.2 s
Peak Thrust 642.22 N
Peak Time T+ 0.063s
T/W Ratio 43.15
Propellant White Lightning
Profile regressive
Type SU
Sparky No

Mass Budget

1264g Total
Casing (Dry)
519.0g
41.1%
Propellant
745.0g
58.9%
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

Cesaroni

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neutral
Total: 1281 Ns
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K456DM

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regressive
Total: 1281 Ns
Ø 54mm

835CC125J-K240

Hypertek

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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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