I Class Rocket Motor

PP 460NS-I80

Propulsion Polymers
Unknown
Ø 38mm
Total Impulse
460.0Ns
Burn Time
5.75s
Avg Thrust
80.0N
Max Thrust
198.8N

Thrust Profile (N)

5.75s Burn Window

Engineered by Propulsion Polymers, the 460NS-I80 is a 38mm solid rocket motor designed for high-power rocketry (HPR). As an official I-class motor, it delivers a total impulse of 460.0 Ns over a 5.75 second burn window.

With an average thrust of 80.0 N and a peak of 198.8 N, it features a regressive thrust curve optimal for heavy rockets requiring high off-the-pad acceleration.

Technical Specifications

Canadian Association of Rocketry
Diameter 38 mm
Length 646 mm
Hardware Single Use
Delays (s) P
Specific Impulse 141.1 s
Peak Thrust 198.7 N
Peak Time T+ 0.04s
T/W Ratio 9.68
Propellant Standard
Profile regressive
Type hybrid
Sparky No

Mass Budget

842.4g Total
Casing (Dry)
510.0g
60.5%
Propellant
332.4g
39.5%
Live Sizing
Flight Envelope

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Comparable I-Class Alternatives

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