Class D, 24 mm model rocket motors with no delay. Powerful engines for big multi-stage rocket kits from Estes and other brands.

The Estes D12-0 engine is a booster stage engine designed for model rocket flight and has to be used with a standard engine as second stage. This engine is for flights in rockets weighing less than 180 grams, including the engines.

THESE MOTORS HAVE NO EJECTION CHARGE AND CANNOT EJECT A PARACHUTE. THEY MUST BE USED FOR FIRST STAGE ONLY.

Each package includes 2 engines, 2 starters and 4 starter plugs.