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Guru

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NASA Restore L

09/24/2017 6:23 PM

I was watching SBTN with the wife this morning and there was a segment about two things. One is the Restore L & the other is the Toyota Concept i . Although not related, both are interesting engineering concepts. It looks like more work needs to be done on the concept i, while the Restore L is just about ready for roll out.

Work on the Restore L is being done at the Goddard flight test center and should be ready to go sometime in mid 2020. It's orbit is to be a LEO.

To get more information, go to: sspd.gsfc.nasa.gov

here you will find plenty of videos to watch.

Or you can send an email to : benjamin.b.reed @ nasa .gov

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Guru

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#1

Re: NASA Restore L

09/24/2017 9:38 PM

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Guru

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#2

Re: NASA Restore L

09/24/2017 10:53 PM

We've come a long, long way with modern technology.

Back in the Cold War heydays we had to design satellites with the thought that they were impossible to repair, because back then they were.

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Guru

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#3
In reply to #2

Re: NASA Restore L

09/25/2017 4:19 PM

Yeah the launch vehicles were different too....

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Guru
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#9
In reply to #3

Re: NASA Restore L

09/26/2017 11:19 AM

Oh come on - they were more like this.

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Guru
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#10
In reply to #9

Re: NASA Restore L

09/26/2017 2:13 PM

Roswell never looked so good.

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Guru

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#4
In reply to #2

Re: NASA Restore L

09/25/2017 11:36 PM

... and how well designed and built they were! Imagine building a machine that works essentially flawlessly for 20 years (Cassini) or longer (Voyagers), and can communicate over such immense distances. Of course those aren't satellites in the usual sense, but the quality is very obvious!

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Guru

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#5
In reply to #4

Re: NASA Restore L

09/26/2017 12:15 AM

The same philosophy went with everything launched then.

It was made very clear to everyone. No second chances, do it right the first time.

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#6
In reply to #5

Re: NASA Restore L

09/26/2017 12:29 AM

Right! I've often wondered what kinds of lubricants they use, that will hold up in vacuum and cryogenic temperatures for decades... Obviously all bearings and sliding surfaces must be top quality, in addition to being lubricated correctly.

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#7
In reply to #6

Re: NASA Restore L

09/26/2017 12:51 AM

Krytox flurorether compounds and Dow Corning silicones were popular lubricants.

One of my tasks was determining the suitability of greases and polymers in space craft applications because many (most) would outgass (sublime) and redeposit coatings on cooler optical and thermal control surfaces, fogging lenses and reducing radiation cooling of electronics.

I sent material samples (mostly new adhesives, coatings, potting/encapsulating compounds) to Goddard Space Flight Center and they would test them for outgassing for me. Some were OK, some not. Every nonmetallic material that went up had to be tested and approved first.

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#11
In reply to #7

Re: NASA Restore L

09/26/2017 2:16 PM

AT least someone around here knows his out-gassing!

I can see that you were spot on in comments about messing up everything in space if not particularly careful to plan way ahead.

Imagine putting a polymer in space that could not stand up to a hard vacuum, or a cold/hot or cycling environment.

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#12
In reply to #11

Re: NASA Restore L

09/27/2017 8:19 AM

yet hes so terrible with planning ahead or at all on so many of his comments.

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Guru

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#8
In reply to #4

Re: NASA Restore L

09/26/2017 11:14 AM

I was always dismayed when Marty told Doc, " All the best stuff is made in Japan " ,

Or when people go around saying, " Everything is made in China " .

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