Total Impulse
4733.0Ns
Burn Time
3.10s
Avg Thrust
1531.0N
Max Thrust
3064.0N
Thrust Profile (N)
3.10s Burn WindowEngineered by Contrail Rockets, the L1428-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 4733.0 Ns over a 3.10 second burn window.
With an average thrust of 1531.0 N and a peak of 3064.0 N, it features a neutral thrust curve optimal for heavy rockets requiring high off-the-pad acceleration.
Technical Specifications
Tripoli Rocketry Association, Inc.Diameter 76 mm
Length 1753 mm
Hardware Single Use
Delays (s) P
Specific Impulse 419.5 s
Peak Thrust 2751.94 N
Peak Time T+ 0.403s
T/W Ratio 27.2
Propellant Standard
Profile neutral
Type hybrid
Sparky Yes
Mass Budget
5738g TotalCasing (Dry)
4588.0g
80.0%
Propellant
1150.0g
20.0%
Live Sizing
Flight Envelope
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Total: 2774 Ns
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