A two stage kit for people who have flown enough single stage models to want more. The booster lights the sustainer in the air, and with a C6-0 to C6-7 combination the Mongoose can pass 1,800 feet, which is far higher than most beginner rockets. It stands over 26 inches assembled and can also be flown as a single stage on smaller fields or windy days.
Staging is the whole lesson here: the joint between booster and sustainer has to be snug but not tight, otherwise the upper stage never lights or separates late. Two engines per flight also doubles the cost, and the booster often lands well away from the rest, unpainted and easy to lose in stubble. Bring a spotter, mark the booster in a bright color, and plan for a large open area.
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