M Class Rocket Motor

Contrail M711-BS

Contrail Rockets
Unknown
Ø 75mm
Total Impulse
5507.0Ns
Burn Time
7.22s
Avg Thrust
762.4N
Max Thrust
1872.0N

Thrust Profile (N)

7.22s Burn Window

Engineered by Contrail Rockets, the M711-BS is a 75mm solid rocket motor designed for extreme high-power rocketry. As an official M-class motor, it delivers a total impulse of 5507.0 Ns over a 7.22 second burn window.

With an average thrust of 762.4 N and a peak of 1872.0 N, it features a regressive thrust curve optimal for heavy rockets requiring high off-the-pad acceleration.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 75 mm
Length 1371 mm
Hardware 75mm X1371mm (3200 cc)
Delays (s) P
Specific Impulse 772.2 s
Peak Thrust 1140 N
Peak Time
T/W Ratio 15.86
Propellant Standard
Profile regressive
Type hybrid
Sparky No

Mass Budget

4900g Total
Casing (Dry)
4173.0g
85.2%
Propellant
727.0g
14.8%
Live Sizing
Flight Envelope

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