MINI ENG x4 3.1gm 1/2 A3-4T
001504 - 1/2A3-4T Engines Description
The Estes 1/2A3-4T engine is single stage engine designed for model rocket flight. This engine is a mini engine designed for flights in lightweight rockets. Each package includes 4 engines, 4 igniters and 4 igniter plugs.