I Class Rocket Motor

AeroTech HP-I280DM

AeroTech
Dark Matter
Ø 38mm
Total Impulse
561.0Ns
Burn Time
1.90s
Avg Thrust
280.0N
Max Thrust
386.0N

Thrust Profile (N)

1.90s Burn Window

Engineered by AeroTech, the HP-I280DM is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official I-class motor, it delivers a total impulse of 561.0 Ns over a 1.90 second burn window.

With an average thrust of 280.0 N and a peak of 386.0 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 38 mm
Length 356.4 mm
Hardware Single Use
Delays (s) 6,8,10,12,14
Specific Impulse 161.1 s
Peak Thrust 342.39 N
Peak Time T+ 0.016s
T/W Ratio 46.33
Propellant Dark Matter
Profile dual-peak
Type SU
Sparky Yes

Mass Budget

616g Total
Casing (Dry)
261.0g
42.4%
Propellant
355.0g
57.6%
Live Sizing
Flight Envelope

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Comparable I-Class Alternatives

I235WC

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I200W

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I180W

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I385F

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I223GT

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I161W

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