Octaweb Structure
Merlin engines are arranged in an Octaweb Structure. ‘Octa’ means eight and ‘web’ structure as it depicts radiating lines from the center. The Octaweb is a metal structure that supports eight engines surrounding a center engine at the base of the launch vehicle. Falcon 9 v1.0 and v1.1 engine. Credits: Craigboy/Wikipedia What is its purpose? The short answer is stability. The Octaweb also reduces the length and weight of the Falcon 9 thrust structure, simplifying the rocket’s design and assembly. Streamlining…