Estes 1/2A3-2T Mini Engine HAZ (4)

Model Rocket Engines. The Estes B6-2 engine is single stage engine designed for model rocket flight. This engine is a standard engine designed for flights in rockets weighing less than four and ...

upper stage engine designed for model rocket flight. This engine can also be used as a single stage engine. Maximum lift weight is 12 ounces. Each package includes 3 engines, 4 starters ...