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Project Morpheus - Moving Forward, Not Starting Over

Published by Klaus Schmidt on Mon Aug 13, 2012 7:47 pm via: NASA
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“A ship in harbor is safe, but that is not what ships are built for.”
-John Augustus Shedd

On Thursday we made our second free flight attempt with the Morpheus prototype vehicle.  As you can see in the video below, shortly after liftoff we experienced a hardware failure and lost the vehicle.  The root cause is still under investigation,  but what we do know is that at the start of  ascent we lost data from the Inertial Measurement Unit (IMU) that supplies navigation updates to the flight computer.  

Without this measurement the vehicle is blind and does not know which way it is pointing or accelerating.  Since this data is needed to maintain stable flight, the vehicle could not determine which way was up and began to tumble and  impacted the ground about 50 feet from the launch site.  No one was injured, no property was damaged besides the vehicle and we have been able to recover significant data, which will give us greater insight into the source of the problem.

We have said it before and will continue to say, this is why we test.  We have already learned a lot from this test and will continue to learn as we recover data and evaluate the hardware.   No test article should be too precious to lose.  A spare vehicle was planned from the start and is just a few months away from completion.  The basic development approach is to quickly build, test and redesign the hardware to achieve many design cycles and maturity before building flight articles.

Morpheus prototype vehicle

Morpheus prototype vehicle

These types of incidents are expected during hardware development. We have been reminded by many of Space Shuttle Main Engine tests during early engine development where a very expensive test asset ended up in the flame trench at Stennis or of the lunar lander training vehicle at Ellington that Neil Armstrong bailed out of during training prior to Apollo 11.  Both of those Programs found the problem, implemented a solution, and moved on to be extremely successful.  We will do the same.  We appreciate all the well wishes and encouragement.  The team is in good spirits and eager to be back at KSC as soon as possible with unit B.

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