RETAINER FOR MODEL ROCKET: Estes rocket models soar to amazing heights, and you can safely build and fly them with precision with our 9750 29-Millimeter Motor Retainer Set. This fastener is the ideal accessory for all 29-millimeter engines, helping you quickly load and unload rocket engines between flights.
DURABLE ROCKET PART: Our 9750 29-millimeter Motor Retainer Set is lightweight, durable, and easy to use. This small piece is molded from heat-resistant ABS plastic and is compatible with 29-millimeter E16 or F15 engines as well as most 29-millimeter composite motor-model designs.
CONVENIENT BUILDING ACCESSORY: Whether you’re building a beginner model rocket or a master-level replica, this engine retainer has a place in your model-rocket-launching and rocket-building kit. It’s the ideal tool to help serious rocket builders ensure their motors stay secure without the risk of blowouts or ejections mid-flight.
SAFETY FIRST, FUN ALWAYS: Our rockets and rocket launch accessories are designed to be used with the NAR (National Association of Rocketry) model-rocket safety code. Always ensure you have an appropriate launch site, stand back at least 15 ft., insert the safety key, issue a countdown, and then you can let your rocket fly!
WE IGNITE IMAGINATIONS: Since 1958, Estes has created educational rocket kits designed for an unforgettable launch experience. As a family-owned company, we have grown to offer exciting STEM products that engage aspiring rocketeers and the future minds of aerospace.