NASA Testing Helicopter Rotor System for Capsule Reentry

concept shows a capsule flying back to Earth with a rotor blade system

A team of researchers took their scale models of space capsules to the Vehicle Assembly Building (VAB) at NASA’s Kennedy Space Center in Florida in order to test out a new rotor system that could be used instead of parachutes when capsules perform their re-entry into the atmosphere.

Read more @ SciTechDaily