Excelsior: Goonybird Cloudhopper

Height: 10.5in Diameter: BT60 (1.6in) Weight: 2.25oz

Motor: 18mm, e.g. C6-5

Comments: Excelsior Rocketry sells this kit bash of the Estes Baby Bertha to build an OOP Estes Cloud Hopper. The Cloud Hopper debuted in the 1973 Estes Catalog. Mosquito Mike has a nice page with more history and examples of Estes Goonybirds.