I Class Rocket Motor

AeroTech I195J

AeroTech
Blackjack
Ø 38mm
Total Impulse
426.1Ns
Burn Time
2.10s
Avg Thrust
195.0N
Max Thrust
216.3N

Thrust Profile (N)

2.10s Burn Window

Engineered by AeroTech, the I195J is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official I-class motor, it delivers a total impulse of 426.1 Ns over a 2.10 second burn window.

With an average thrust of 195.0 N and a peak of 216.3 N, it features a regressive thrust curve optimal for general sport flying. It utilizes the Blackjack propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 38 mm
Length 299 mm
Hardware RMS-38/600
Delays (s) 4,6,8,10
Specific Impulse 144.3 s
Peak Thrust 414.84 N
Peak Time T+ 0.243s
T/W Ratio 34.75
Propellant Blackjack
Profile regressive
Type reload
Sparky No

Mass Budget

572g Total
Casing (Dry)
271.0g
47.4%
Propellant
301.0g
52.6%
Live Sizing
Flight Envelope

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Comparable I-Class Alternatives

I235WC

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No Curve Data
Total: 324 Ns
Ø 38mm

I200W

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regressive
Total: 325 Ns
Ø 29mm

I180W

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dual-peak
Total: 326 Ns
Ø 38mm

I385F

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No Curve Data
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I223GT

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neutral
Total: 328 Ns
Ø 38mm

I161W

AeroTech

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dual-peak
Total: 329 Ns
Ø 38mm
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