Estes 1598 A8-3 Model Rocket Engine Pack – 3 Engines with Starters & Plugs This ultra-trim

This ultra-trim

and motion detector technology

The FarSide is easy to assemble and can be ready for streaking fast rocket launches in about 2 hours

Max Thrust: 15

Estes 1598 A8-3 Model Rocket Engine Pack – 3 Engines with Starters & Plugs This ultra-trimPLEASE NOTE: These are 18mm diameter engines. Please refer to the instructions that came with your rocket (or the rocket's product description) to determine engine compatibility. Estes A8 3 engine pack includes 3 engines, 4 starters, and 4 starter plugs The A8 3 is a single stage engine designed for model rocket flights weighing less than 3 ounces, including the engine. This engine is ideal for smaller fields, or to be able to see the entire flight