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Message: <blockquote data-quote="El Mahdi" data-source="post: 4980238" data-attributes="member: 59506">The entry about the mission at Wikipedia <a href="http://en.wikipedia.org/wiki/Ares_I-X" target="_blank">here</a> is really good.  It breaks down the mission objectives, and the construction of the actual rocket used for the test with a bit about differences between it and the final versions.  Being an avionics guy, I found the part about the avionics on the rocket most interesting.  Such as, along with the necessary avionics for flight, this version also had 720 thermal, acceleration, acoustic, and vibration sensors all for test data.  I always felt that aircraft flight data recorder systems for ASIP* had a lot of sensors.  Man, they've got nothing on these rockets! I've found it surprising, although I guess I shouldn't have, just how similiar avionics on a rocket or the shuttle are to standard aircraft avionics.  When I took a tour at NASA this last spring, I was able to identify a good portion of the avionics components inside the Saturn V Instruments Package Ring.  Although the components seemed to be much larger versions of what would be on a typical aircraft - and almost 50 year old technology.  It had a gyro installed that had to have been well over a hundred pounds.  Even most modern directional gyros weigh in at less than 10 pounds.  But then, I guess the avionics on a rocket have to withstand significantly more g-forces than an aircrafts avionics.<img src="http://www.enworld.org/forum/images/smilies/ponder.png"  class="smilie" loading="lazy" alt=":hmm:" title="Hmmm    :hmm:" data-shortname=":hmm:" />  Anyways, congratulations to NASA for a successful first test flight. I'm looking forward to more, and have no doubt that NASA will get us back to the Moon, and eventually on to Mars.  I guess for me, hope springs eternal... ...and I'm gonna dance with the one that brought me!<img src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f60e.png" class="smilie smilie--emoji" loading="lazy" width="64" height="64" alt=":cool:" title="Cool    :cool:"  data-smilie="6"data-shortname=":cool:" />   (*ASIP stands for Aircraft Structural Integrity Program.  Not to be confused with Flight Data Recorders on commercial aircraft.  Those record instrument and navigation data about a flight.  ASIP Flight Data Recorders record structural integrity data such as signals from strain gauges, in order to monitor the long term health of an aircrafts structure.) <img src="http://www.enworld.org/forum/images/smilies/glasses.png"  class="smilie" loading="lazy" alt="B-)" title="Glasses    B-)" data-shortname="B-)" /></blockquote>

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