Manufacturer:	Scratch
Product Type:	Scratch

Reviews

• Scratch Cluster Boink By Scott Turnbull

    Building the CLUSTER BOINK Overview: This entry describes the construction of The Cluster Boink, a foam rocket with clustered engines. It features four engine pods mounted at the tips of support struts that extend outfrom the main airframe. The off center engines are required to light as opposing pairs to provide symmetrical thrust. The rocket utilizes passive recovery that ...