Estes F15-8 Model Rocket Engines, 2 Pack –29mm F-Class Motors with Starters & Plugs A wide variety of ranges

A wide variety of ranges are available in the three separate sizes

Size - Extra Large

The touchscreen controls allow you to activate a 15 second backlight - perfect for last minute night time checks before bed

It has a crystal-controlled temperature circuit that provides a constant compensation for temperature change

Product Dimensions (L x W x H): x 152 x MM

Estes F15-8 Model Rocket Engines, 2 Pack –29mm F-Class Motors with Starters & Plugs A wide variety of rangesPLEASE NOTE: These are large (29mm 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 F15 8 engine pack includes 2 engines, 2 starters, and 4 starter plugs The F15 8 is a powerful engine that will send your rocket sky high! Recommended for use with the Star Orbiter, Majestic, or other compatible rocket