I Class Rocket Motor

AeroTech I49N

AeroTech
Warp 9
Ø 38mm
Total Impulse
383.0Ns
Burn Time
7.68s
Avg Thrust
49.4N
Max Thrust
63.7N

Thrust Profile (N)

7.68s Burn Window

Engineered by AeroTech, the I49N is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official I-class motor, it delivers a total impulse of 383.0 Ns over a 7.68 second burn window.

With an average thrust of 49.4 N and a peak of 63.7 N, it features a neutral thrust curve optimal for sustainer stages and high-altitude attempts. It utilizes the Warp 9 propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

National Association of Rocketry
Diameter 38 mm
Length 184 mm
Hardware RMS-38/360
Delays (s) P
Specific Impulse 190.4 s
Peak Thrust 63.44 N
Peak Time T+ 1.295s
T/W Ratio 12.65
Propellant Warp 9
Profile neutral
Type reload
Sparky No

Mass Budget

398g Total
Casing (Dry)
193.0g
48.5%
Propellant
205.0g
51.5%
Live Sizing
Flight Envelope

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Comparable I-Class Alternatives

I235WC

Gorilla

I
No Curve Data
Total: 324 Ns
Ø 38mm

I200W

AeroTech

I
regressive
Total: 325 Ns
Ø 29mm

I180W

AeroTech

I
dual-peak
Total: 326 Ns
Ø 38mm

I385F

Kosdon

I
No Curve Data
Total: 326 Ns
Ø 29mm

I223GT

Gorilla

I
neutral
Total: 328 Ns
Ø 38mm

I161W

AeroTech

I
dual-peak
Total: 329 Ns
Ø 38mm
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