Enerjet Aerotech 52004 E20-4W Rocket Motor (2 Pack) TC4 Balancing (LiPO/LiION/LiFE cells) (1-5 cycles)

Balancing (LiPO/LiION/LiFE cells) (1-5 cycles)

Waterproof electronics so you can have fun all year long

Illustrated instruction book with tips and ideas

Drag cars turn serious RPM’s

Enerjet Aerotech 52004 E20-4W Rocket Motor (2 Pack) TC4 Balancing (LiPO/LiION/LiFE cells) (1-5 cycles)Enerjet Aerotech 52004 E20 4W Rocket Motor 2 Pack These high performance, composite propellant model rocket motors use the same family of solid propellant as NASAs Space Shuttle Boosters, military missiles, sounding rockets, and NASAs future SLS moon rocket. They utilize a patent pending high strength polymer case and bulkhead, polymer nozzle and RCSs exclusive White Lightning aerospace grade composite propellant formulation, which produces a gorgeous