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This is a very close scale replica of the bottom stage of the Black Brant X sounding rocket. Slip it under the PML Mini-BBX and you will have the complete, scale rocket! You can easily double the altitude and have the thrill of two stage flying without all the usual guesswork of a "standard" or scratch- built two-stage rocket. (We recommend the CPR version of the MiniBBX as the best for the Terrier. This is due to the tremendous altitudes the Terrier/MiniBBX combo will reach, and also because a CPR-based MiniBBX will still deploy the `chutes even if the sustainer stage doesn`t ignite, saving the rocket). The Terrier Booster is easy to assemble and very easy to prep. We spent months developing the best and most reliable inter-stage coupler on the market just for this kit. The Terrier Booster requires the PML Accu-Fire Timer available on our Electronics Page for upper stage ignition.
Click here for the kit instructions in PDF format; 3.2Mb