HARA Design of the Month Contest – Win an Apogee 4″ HPR Zephyr rocket!

The Apogee Zephyr is an easy-to-construct 4″ diameter rocket flying on 38mm motors. It’s perfect for certifying L1, or for fun flying! It’s the prize for winning HARA’s contest in which you construct a model rocket from an old Estes or Centuri rocket plan – description and rules are here.

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