L Class Rocket Motor

Loki L840CT

Loki Research
Cocktail
Ø 76mm
Total Impulse
3889.0Ns
Burn Time
4.60s
Avg Thrust
834.0N
Max Thrust
1170.0N

Thrust Profile (N)

4.60s Burn Window

Engineered by Loki Research, the L840CT is a 76mm solid rocket motor designed for extreme high-power rocketry. As an official L-class motor, it delivers a total impulse of 3889.0 Ns over a 4.60 second burn window.

With an average thrust of 834.0 N and a peak of 1170.0 N, it features a dual-peak thrust curve optimal for sustainer stages and high-altitude attempts. It utilizes the Cocktail propellant formulation, dictating its specific impulse and exhaust signature.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 76 mm
Length 498 mm
Hardware 76/3600
Delays (s) P
Specific Impulse 191.1 s
Peak Thrust 1189.9 N
Peak Time T+ 1.689s
T/W Ratio 22.68
Propellant Cocktail
Profile dual-peak
Type reload
Sparky No

Mass Budget

3748g Total
Casing (Dry)
1674.0g
44.7%
Propellant
2074.0g
55.3%
Live Sizing
Flight Envelope

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