Reaction Structure

Reaction Structure


Near Zero CTE Antenna Segment for Radio Large Telescope




Science. Near zero CTE antenna segment for large radio telescope.

Previous Limiting Technology

Steel and/or aluminum has too large of a thermal expansion coefficient and would be too heavy for a large, moveable structure.


Design and engineer a near zero CTE, out of Autoclave antenna segment while maintaining adequate strength, stiffness, and affordability. A primary target was low cost, a very aggressive target.


Rock West carefully researched affordable materials that fit into the performance requirements and then created design concepts that kept labor hours restrained. The final design met stiffness, CTE, and cost requirements. Design study, testing, and analysis were incorporated.

Product/Service Areas

Stable Structures, Dimensionally Stable Structures