E Class Rocket Motor

AeroTech E11J

AeroTech
Blackjack
Ø 24mm
Total Impulse
32.7Ns
Burn Time
2.83s
Avg Thrust
11.6N
Max Thrust
19.9N

Thrust Profile (N)

2.83s Burn Window

Engineered by AeroTech, the E11J is a 24mm solid rocket motor designed for model rocketry. As an official E-class motor, it delivers a total impulse of 32.7 Ns over a 2.83 second burn window.

With an average thrust of 11.6 N and a peak of 19.9 N, it features a neutral thrust curve optimal for general sport flying. It utilizes the Blackjack propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

National Association of Rocketry
Diameter 24 mm
Length 70 mm
Hardware RMS-24/40
Delays (s) 3
Specific Impulse 133.5 s
Peak Thrust 19.26 N
Peak Time T+ 0.419s
T/W Ratio 18.9
Propellant Blackjack
Profile neutral
Type reload
Sparky No

Mass Budget

62.4g Total
Casing (Dry)
37.4g
59.9%
Propellant
25.0g
40.1%
Live Sizing
Flight Envelope

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