E Class Rocket Motor

Estes E16

Estes Industries
black powder
Ø 29mm
Total Impulse
33.4Ns
Burn Time
2.09s
Avg Thrust
16.0N
Max Thrust
26.4N

Thrust Profile (N)

2.09s Burn Window

Engineered by Estes Industries, the E16 is a 29mm solid rocket motor designed for model rocketry. As an official E-class motor, it delivers a total impulse of 33.4 Ns over a 2.09 second burn window.

With an average thrust of 16.0 N and a peak of 26.4 N, it features a dual-peak thrust curve optimal for general sport flying. It utilizes the black powder propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

National Association of Rocketry
Diameter 29 mm
Length 114 mm
Hardware Single Use
Delays (s) 0,4,6,8
Specific Impulse 85.1 s
Peak Thrust 26.44 N
Peak Time T+ 0.521s
T/W Ratio 19.38
Propellant black powder
Profile dual-peak
Type SU
Sparky No

Mass Budget

84g Total
Casing (Dry)
44.0g
52.4%
Propellant
40.0g
47.6%
Live Sizing
Flight Envelope

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Comparable E-Class Alternatives

24E22-13A

Cesaroni

E
dual-peak
Total: 24 Ns
Ø 24mm

25E75-17A

Cesaroni

E
dual-peak
Total: 25 Ns
Ø 24mm

26E31-15A

Cesaroni

E
regressive
Total: 26 Ns
Ø 24mm

E12

Estes

E
regressive
Total: 27 Ns
Ø 24mm

E26W

AeroTech

E
dual-peak
Total: 28 Ns
Ø 24mm

E9

Estes

E
regressive
Total: 28 Ns
Ø 24mm
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