G Class Rocket Motor

AeroTech G78G/L

AeroTech
Mojave Green
Ø 29mm
Total Impulse
109.9Ns
Burn Time
1.38s
Avg Thrust
79.9N
Max Thrust
101.9N

Thrust Profile (N)

1.38s Burn Window

Engineered by AeroTech, the G78G/L is a 29mm solid rocket motor designed for model rocketry. As an official G-class motor, it delivers a total impulse of 109.9 Ns over a 1.38 second burn window.

With an average thrust of 79.9 N and a peak of 101.9 N, it features a dual-peak thrust curve optimal for general sport flying. It utilizes the Mojave Green propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

National Association of Rocketry
Diameter 29 mm
Length 124 mm
Hardware Single Use
Delays (s) 4,6,7,8,10
Specific Impulse 187.7 s
Peak Thrust 102.2 N
Peak Time T+ 0.038s
T/W Ratio 65.16
Propellant Mojave Green
Profile dual-peak
Type SU
Sparky No

Mass Budget

125g Total
Casing (Dry)
65.3g
52.2%
Propellant
59.7g
47.8%
Live Sizing
Flight Envelope

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Comparable G-Class Alternatives

G54W

AeroTech

G
dual-peak
Total: 81 Ns
Ø 29mm

G104T

AeroTech

G
regressive
Total: 82 Ns
Ø 29mm

G74W

AeroTech

G
neutral
Total: 83 Ns
Ø 29mm

84G88-11A

Cesaroni

G
dual-peak
Total: 84 Ns
Ø 29mm

G142

AeroTech

G
neutral
Total: 84 Ns
Ø 29mm

G63

SkyR

G
regressive
Total: 85 Ns
Ø 29mm
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