Information For The Astro Jr
The Astro-Jr is a smaller scale version of the original Astro-1 that was
initially released in the 1969 Centuri catalog. It was one of the first model
rocket kits to incorporate the “quick change” engine mount that became a
standard in model rocketry. Designed to be an excellent beginners kit, the
Astro-1 became the first rocket for thousands of new model racketeers.
The “rake back” fins were so different that many were built incorrectly with
the fins glued on to resemble the Estes Alpha. The Astro-1 was Centuri #KB-
17. Semroc Aeronautics Corporation has re-issued this kit and
incorporated newer updated kit features; Kevlar shock cord and laser cut
fins.The Astro-Jr is designed to use 13mm mini-motors for smaller fields.
Altitudes from 200 to 500 feet are possible. the Astro-Jr uses precision cut
laser fins, smooth body tube, and a sanded balsa nose cone to maintain the
original look and feel in a slightly smaller package. A 12" multi colored
parachute is included for safe recovery.