Estes Model Rocket Engines Brown 3 pc 10-00-001-111 this innovative refill uses 47

this innovative refill uses 47 percent less plastic compared to 3

Nut End Outside Diameter: 21/32 in

and vehicles

Female and Male: 1/2 in

The ultra-slim

Estes Model Rocket Engines Brown 3 pc 10-00-001-111 this innovative refill uses 47The Estes A8 3 engine is single stage engine designed for model rocket flight. This engine is a standard engine designed for flights in rockets weighing less than 3 ounces, including the engine. Brand Name: Estes Product Type: Model Rocket Engines Color: Brown Number of Pieces: 3 pc Number in Package: 1 pk Length: 3 in. Recommended Age: 10+ yr Propellant Weight: 0. 14 oz. Thrust Duration: 0. 50 sec. Weight: 0. 55 oz. Model Number: A8 3 Engines Total