Estes 1692 E12-4 Model Rocket Engines – 3 Engines with Starters & Plugs the widescreen display

the widescreen display

Thickness: 15 mil

Over voltage

wire cable mapping kits

Chrome plated for rust resistance and corrosion

Estes 1692 E12-4 Model Rocket Engines – 3 Engines with Starters & Plugs the widescreen displayPLEASE NOTE: These are large (24mm diameter) engines that will only fit certain model rockets. Please refer to the instructions that came with your rocket (or the rocket's product description) to determine engine compatibility. Estes E12 4 engine pack includes 3 engines, 4 starters, and 4 starter plugs The E12 4 is an upper stage engine designed for model rocket flight. This engine can also be used as a single stage engine. Maximum lift weight is 17