K Class Rocket Motor

AeroTech K990DM

AeroTech
Dark Matter
Ø 54mm
Total Impulse
1867.0Ns
Burn Time
2.04s
Avg Thrust
931.0N
Max Thrust
1075.0N

Thrust Profile (N)

2.04s Burn Window

Engineered by AeroTech, the K990DM is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official K-class motor, it delivers a total impulse of 1867.0 Ns over a 2.04 second burn window.

With an average thrust of 931.0 N and a peak of 1075.0 N, it features a dual-peak thrust curve optimal for general sport flying. It utilizes the Dark Matter propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 54 mm
Length 598 mm
Hardware RMS-54/2800
Delays (s) 6,8,10,12,14
Specific Impulse 155.5 s
Peak Thrust 1068.83 N
Peak Time T+ 0.036s
T/W Ratio 45
Propellant Dark Matter
Profile dual-peak
Type reload
Sparky Yes

Mass Budget

2109g Total
Casing (Dry)
885.0g
42.0%
Propellant
1224.0g
58.0%
Live Sizing
Flight Envelope

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Comparable K-Class Alternatives

1176K1720-P

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1281K360-13A

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835CC125J-K240

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SK-54-1750

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K400C

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Total: 1304 Ns
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