Estes 1602
The Estes B4-4 engine is single stage engine designed for model rocket flight. This engine is a standard engine designed for flights in rockets weighing less than 3.5 oz, including the engine. Each package includes three engines, four starters and four plugs.
| Number of Pieces | : | 11 |
| Number of Pieces | : | 11 |
| Dimensions | : | 0.7 in Dia x 2.8 in L |
| Dimensions | : | 0.7 in Dia x 2.8 in L |
| Includes | : | (3) B4-4 Engine Models, (4) Starter, (4) Starter Plugs |
| Includes | : | (3) B4-4 Engine Models, (4) Starter, (4) Starter Plugs |