I Class Rocket Motor

SkyR I117

Sky Ripper Systems
Unknown
Ø 38mm
Total Impulse
591.6Ns
Burn Time
4.40s
Avg Thrust
117.0N
Max Thrust
435.6N

Thrust Profile (N)

4.40s Burn Window

Engineered by Sky Ripper Systems, the I117 is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official I-class motor, it delivers a total impulse of 591.6 Ns over a 4.40 second burn window.

With an average thrust of 117.0 N and a peak of 435.6 N, it features a regressive thrust curve optimal for heavy rockets requiring high off-the-pad acceleration.

Technical Specifications

Tripoli Rocketry Association, Inc.
Diameter 38 mm
Length 914 mm
Hardware 38/580
Delays (s) P
Specific Impulse 163 s
Peak Thrust 367.94 N
Peak Time T+ 0.03s
T/W Ratio 10.53
Propellant Standard
Profile regressive
Type hybrid
Sparky No

Mass Budget

1133g Total
Casing (Dry)
763.0g
67.3%
Propellant
370.0g
32.7%
Live Sizing
Flight Envelope

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Comparable I-Class Alternatives

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