Thrust Profile (N)
3.50s Burn WindowEngineered by AeroTech, the K485H-3JET is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official K-class motor, it delivers a total impulse of 1686.8 Ns over a 3.50 second burn window.
With an average thrust of 485.0 N and a peak of 851.1 N, it features a regressive thrust curve optimal for general sport flying.
Technical Specifications
Tripoli Rocketry Association, Inc.Diameter 54 mm
Length 699 mm
Hardware RMS-54/1280
Delays (s) P
Specific Impulse 186.2 s
Peak Thrust 831.33 N
Peak Time T+ 0.38s
T/W Ratio 22.27
Propellant Standard
Profile regressive
Type hybrid
Sparky No
Mass Budget
2220.2999999999997g TotalCasing (Dry)
1296.9g
58.4%
Propellant
923.4g
41.6%
Live Sizing
Flight Envelope
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Comparable K-Class Alternatives
1176K1720-P
AMW
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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
Ø 54mm
SK-54-1750
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neutral
Total: 1300 Ns
Ø 54mm
K400C
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K
regressive
Total: 1304 Ns
Ø 54mm
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