NASA Mars Sample Return (MSR) Earth Entry System (EES) Capsule Successfully Completes 1,200-Foot Drop Test

Neglect iPhone sturdiness exams, the NASA Mars Pattern Return (MSR) Earth Entry System (EES) capsule survived a 1,200-foot drop from a helicopter. The company used a Manufacturing Demonstration Unit (MDU), which is only one of many potential designs for the Earth Entry System. Its rugged aeroshell was outfitted with a mess of sensors and the dropped from a helicopter.

This drop check sequence is a followup to exams performed final yr at UTTR with a .75-meter, far much less detailed Earth Entry System check unit. Compared, the MDU is an precise full-scale automobile that measures 1.25-meters (4.1-feet) throughout, with a construction made out of supplies comparable to people who could be used for the EES throughout the precise mission. The MDU dropped from an altitude of 1,200 toes to determine the time required to achieve the supposed touchdown velocity. Surviving Simpson Sturdy Tie’s earthquake check is a completely totally different story.


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The MDU was very secure throughout descent – it didn’t wobble round so much, and it landed efficiently, within the sense that there was no structural injury and it survived affect as anticipated,” stated Jim Corliss, MSR EES chief engineer.

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