The AeroTech HDK-21 is for use with E16-7W (51607), F40-7W (64007) and G64-10W (76410) motors. The motor hobby delay kit comes with 3 rocket delay elements and spacers. Motor delay O-rings, delay insulators and other parts are supplied with the RMS reload kits. Note that Hobby Delay Kits and High Power Delay Kits are not interchangeable.
This AeroTech kit is U.S. mailable with no hazmat fee! The sale of this high power motor to persons under 18 years of age is currently prohibited by federal law. Orders containing this item will not be shipped until proof of age (such as a copy of a driver's license) is received.
Certified by the Tripoli Rocketry Association (TRA), the National Association of Rocketry (NAR) and the Canadian Association of Rocketry (CAR).
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Specifications:
Motor Diameter: 1.125 inches (29mm)
Hardware Required: RMS-29/40-120