B4-4FJ Q-JET 25 PACK

This Q-Jet™ 25-Motor Value Pack comes complete with 29 FirstFire™ Micro Initiators and bright orange Parachute Recovery Wadding. All Q-Jet™ motors are U.S. mailable with no hazmat fee!

Certified by the Tripoli Rocketry Association (TRA), the National Association of Rocketry (NAR) and the Canadian Association of Rocketry (CAR).

• Specifications:

  Motor Diameter: 0.71 inches (18mm)

  Casing Length: 2.75 inches (70mm)

  Total Impulse: 4.9 N-sec

  Average Thrust: 4.4 newtons

  Peak Thrust: 7.0 N-sec

  Thrust Duration: 1.10 seconds

  Delay Time: 4 seconds

  Propellant Weight: 3.6 grams

  Motor Weight: 19.8 grams

  Maximum Liftoff Weight: 85 grams