L Class Rocket Motor

Ellis L330

Ellis Mountain
Unknown
Ø 76mm
Total Impulse
2972.6Ns
Burn Time
7.30s
Avg Thrust
330.0N
Max Thrust
484.6N

Thrust Profile (N)

7.30s Burn Window

Engineered by Ellis Mountain, the L330 is a 76mm solid rocket motor designed for extreme high-power rocketry. As an official L-class motor, it delivers a total impulse of 2972.6 Ns over a 7.30 second burn window.

With an average thrust of 330.0 N and a peak of 484.6 N, it features a dual-peak thrust curve optimal for sustainer stages and high-altitude attempts.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 76 mm
Length 381 mm
Hardware Single Use
Delays (s) P
Specific Impulse 203.4 s
Peak Thrust 407.73 N
Peak Time T+ 2.93s
T/W Ratio 12.6
Propellant Standard
Profile dual-peak
Type reload
Sparky No

Mass Budget

2670.08g Total
Casing (Dry)
1180.2g
44.2%
Propellant
1489.9g
55.8%
Live Sizing
Flight Envelope

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