The F42-4T model rocket motor is powered by Aerotech's Blue Thunder propellant which produces a bright violet-blue flame with a minimum of exhaust smoke.

This is a package of two motors and two igniters.

• Designation: F42T
• Diameter: 29.0000 mm
• Length: 83.0000 mm
• Propellant Weight: 27.0000 g
• Total Weight: 76.0000 g
• Average Thrust: 38.0041 N
• Peak Thrust: 68.6940 N
• Total Impulse: 55.8660 Ns
• Class: 40% F

Note: We are required to ship orders containing motors by surface mail. So, please plan on your order possibly taking a few days longer than normal to arrive if it contains motors.

Model rocket motors cannot be shipped outside the US.