AstroMast Booms

AstroMast in Space
AstroMast Satellite 

The AstroMast™ is a lightweight, stiff coilable mast that was originally developed by Astro Aerospace. The mast stows as 3 intertwined helices and deploys to a straight boom with 3 sides and a triangular cross section. It comes in two versions: a nut driven mast that uses a motor to control deployment and a self deploying mast that uses the strain energy stored in the longerons to deploy itself. The self deployed mast has a shorter stowed package, typically 12" for a 20 ft mast, and it rotates as it deploys. The nut driven mast is approximately 36" long when stowed and does not rotate as it deploys. Both boom configurations have the added advantage of being retractable The nut driven mast is approximately 36" long and does not rotate as it deploys. Both boom configurations have the added advantage of being retractable.



Self Deploying AstroMast

Self Deploying AstroMast  

The self deploying AstroMast when deployed forms a stiff and stable structure suitable for multiple application such as an instrumentation boom, antennas or deploying and supporting a solar sail.



Nut Driven AstroMast

Nut Driven AstroMast 

The nut driven AstroMast deploys at full stiffness which makes it ideal as a forceful actuator for such applications as a deployment structure for solar arrays.