L Class Rocket Motor

Loki L780-SF

Loki Research
Spitfire
Ø 76mm
Total Impulse
3006.0Ns
Burn Time
3.83s
Avg Thrust
783.3N
Max Thrust
995.0N

Thrust Profile (N)

3.83s Burn Window

Engineered by Loki Research, the L780-SF is a 76mm solid rocket motor designed for extreme high-power rocketry. As an official L-class motor, it delivers a total impulse of 3006.0 Ns over a 3.83 second burn window.

With an average thrust of 783.3 N and a peak of 995.0 N, it features a neutral thrust curve optimal for general sport flying. It utilizes the Spitfire 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 170.2 s
Peak Thrust 934.04 N
Peak Time T+ 2s
T/W Ratio 22.81
Propellant Spitfire
Profile neutral
Type reload
Sparky Yes

Mass Budget

3500g Total
Casing (Dry)
1700.0g
48.6%
Propellant
1800.0g
51.4%
Live Sizing
Flight Envelope

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