Estes - Goonybird Sky Shriek

Estes - Goonybird Sky Shriek Kit

Estes Goonybird Sky Shriek By Bill Eichelberger (April 26, 2007)
I shortened the body tube to the Goonybird standard 5" (BT-60R) and switched from 13mm power to 18mm power. Modifications: The main body tube from the Baby Bertha could be left as is for this project, if you're not a man who is serious about his Goonies. I chose to keep things proportional and shortened the body tube to the Goony-traditional 5", a feat I accomplished by wrapping a ...