John Muratore and the SpaceX approach to radiation hardening

November 19 2012 07:32:36 PM | by Clark Lindsey, Managing Editor

Amy Svitak interviews John Muratore, SpaceX director of vehicle certification and previously "chief engineer of the shuttle program at NASA, and before that [...] shuttle flight director".

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Comments (8)

Gayzorro Morono
But..but..but.. Obey my dog! Errrr "read my blog"! Where 's my royalty check NASA/SpaceX? Me so smart.
20th November 2012 12:46pm
MaDeR Levap
I bet main issue is that F9 and dragon exists at all. :P
20th November 2012 2:06am
Andrew Platzer
Redundancy catches the soft errors. With ECC RAM, 3 check bits on 8 bits find and correct all 1 bit errors, find all 2 bit and most 3 bit errors. The resync sounds like a software issue in restoring the CPU to a state matching the others. This seems like a solvable problem and it sounds like it just takes time and eventually be an automatic process. As chips shrink, they become more robust to soft errors since they offer a smaller cross section. For deep space, radiation could be strong enough Read More
19th November 2012 3:38pm
Mlaboy67
Guess who is "hidden issue" again....Gaetano get a life already will you!!
19th November 2012 2:15pm
BRC
Shhhh..... No so harsh! The poor guy's probably still upset that no one credits him for having already designed all of this stuff way back in 1997, plus for some reason NASA never returns his calls nor responds to his annual 12-page Holiday newsletters of space-rants. ("Theya never call, theya never write, theya being sucha stranga... wassamatta wit dem? I'ma hurt")
20th November 2012 4:38am
ian
Lol. And would this "hidden issue" be, mr. obvious anonymous?
19th November 2012 2:14pm
Brian
I'll be curious to see what direction they go in for Deep Space missions - whether they'll accept rad hardened components or else just pursue an even more radical version of their redundancy strategy to overcome the far harsher radiation environment. Or maybe a mixture of both - somewhat more rad hardening, but not as much as NASA would use, along with somewhat more redundancy, but not as much as if the components weren't hardened at all.
19th November 2012 12:33pm
hidden issue
despite it's a big issue, it's not the main issue of Falcon-9 and Dragon
19th November 2012 12:16pm
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