Rocket Engines (2)

Estes Rockets 1696 E16-4 29mm (2ea) The Estes E16-4 engine is 29mm diameter an upper stage engine designed for model rocket flight. This engine can also be used as a...

Estes Rockets 1651 F15-4 Engines For Model Rockets 29mm Pkg of 2 NIB Each package includes 2 engines, 2 starters and 4 starter plugs. Length: 4.5 in. (11.4 cm) Diameter:...