1691 E12-0 Standard E Engine
1691 E12-0 Standard E Engine by Estes
The Estes E12-0 engine is a booster stage engine designed for model rocket flight and has to be used with another 24 mm engine. This engine is for flights in rockets weighing less than 16 ounces, including the engines. Each package includes 3 engines, 4 igniters and 4 igniter plugs.