Cesaroni 1990K490-16A

Engineered by Cesaroni Technology, the 1990K490-16A is a 54mm solid rocket motor designed for high-power rocketry (HPR). As an official K-class motor, it delivers a total impulse of 1978.4 Ns over a 4.08 second burn window.

With an average thrust of 485.5 N and a peak of 590.9 N, it features a dual-peak thrust curve optimal for sustainer stages and high-altitude attempts. It utilizes the Green3 propellant formulation, dictating its specific impulse and exhaust signature.