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19 Jun 2021, 14:20 [ UTC - 5; DST ]


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 Post subject: Wright Flyer & (Mars) Ingenuity Helo ...
PostPosted: 25 Mar 2021, 21:31 
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Another JPL Easter Egg. Ingenuity includes a fabric swatch from the original Wright Flyer.

https://www.nasa.gov/image-feature/jpl/ ... t-brothers

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 Post subject: Re: Wright Flyer & (Mars) Ingenuity Helo ...
PostPosted: 04 Apr 2021, 13:03 
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The helicopter should fly soon.

https://www.nasa.gov/press-release/nasa ... rst-flight


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 Post subject: Re: Wright Flyer & (Mars) Ingenuity Helo ...
PostPosted: 05 Apr 2021, 16:20 
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Ingenuity survived its first night alone in a -130F Martian night.

More info, next steps and some of the people working on Ingenuity. The “Chief Pilot” title is interesting. I wonder if it is a 91, 135 or 121 op? UAS, Rotorcraft, Mars?

https://mars.nasa.gov/technology/helicopter/#Milestones

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 Post subject: Re: Wright Flyer & (Mars) Ingenuity Helo ...
PostPosted: 06 Apr 2021, 00:00 
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April 11th is the scheduled date for those of you who just want to know


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 Post subject: Re: Wright Flyer & (Mars) Ingenuity Helo ...
PostPosted: 11 Apr 2021, 12:34 
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First flight delayed and until at least Wednesday. Apparently a problem detected during Friday’s run-up:

https://scitechdaily.com/historic-first ... heres-why/

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 Post subject: Re: Wright Flyer & (Mars) Ingenuity Helo ...
PostPosted: 19 Apr 2021, 08:01 
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Ingenuity’s first flight is ... successful:

http://youtu.be/p1KolyCqICI


More:

https://arstechnica.com/science/2021/04 ... st-flight/

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 Post subject: Re: Wright Flyer & (Mars) Ingenuity Helo ...
PostPosted: 19 Apr 2021, 08:13 
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https://www.jpl.nasa.gov/


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 Post subject: Re: Wright Flyer & (Mars) Ingenuity Helo ...
PostPosted: 19 Apr 2021, 09:51 
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I was up at at 0300 PDT to watch the live feed as the team received the first data confirming the test flight.

The data and first images of Ingenuity hovering are amazing.

But take a moment to look at these images of the core team that designed, tested, and now operate (albeit very remotely) the helicopter. A remarkable group of (mostly) young people. They give me hope.

The first image of MiMi Aung, project manager of the Ingenuity Mars Helicopter at JPL, shows her ripping up her "contingency speech" prepared in case things didn't go well. Then she spoke with well-earned pride about the accomplishment and the work ahead.


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 Post subject: Re: Wright Flyer & (Mars) Ingenuity Helo ...
PostPosted: 19 Apr 2021, 10:46 
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Fabulous!
From a presentation on Ingenuity a while ago, their "3 Commandments" during design were:
1. Total mass < 2 kg
2. Rotor speed 1900-2800 rpm
3. Blade tip Mach number <0.7
Great team, great accomplishment.
Jay

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 Post subject: Re: Wright Flyer & (Mars) Ingenuity Helo ...
PostPosted: 19 Apr 2021, 11:56 
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From today's NASA press release:

Quote:
Ingenuity’s chief pilot, Håvard Grip, announced that the International Civil Aviation Organization (ICAO) – the United Nations’ civil aviation agency – presented NASA and the Federal Aviation Administration with official ICAO designator IGY, call-sign INGENUITY.

These details will be included officially in the next edition of ICAO’s publication Designators for Aircraft Operating Agencies, Aeronautical Authorities and Services. The location of the flight has also been given the ceremonial location designation JZRO for Jezero Crater.

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 Post subject: Re: Wright Flyer & (Mars) Ingenuity Helo ...
PostPosted: 19 Apr 2021, 13:10 
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Look what Orville and Wilbur started.

From a small shop in Dayton Ohio, they began their research and designs into producing a machine to lift man out of the grips of the earth. Engineers turned flight into a common occurrence with over 100,000 daily flights, and rockets that have taken men to the moon and back. There are aircraft that weigh over 1.2 million pounds flying through earth's atmosphere. The Saturn V rocket, the heaviest ever launched, weighed 6.7 million pounds.

We have begun a journey that will surely lead to comparable innovations. Orville and Wilbur are now NASA's Jet Propulsion Laboratories, and instead of just two brothers, there are five thousand brothers and sisters working at JPL who all make this feat possible.

From a remote sand dune in Kitty Hawk, NC to a remote crater on the surface of Mars, it's amazing how far we've come, and how much farther we have to go.

Mars, as does any alien place, is cloaked in a veil of mystery, and as Neil Armstrong said, "Mystery creates wonder, and wonder is the basis of man's desire to understand." This and other journey's will lead us on a better understanding.

God Speed

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 Post subject: Re: Wright Flyer & (Mars) Ingenuity Helo ...
PostPosted: 19 Apr 2021, 17:02 
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 Post subject: Re: Wright Flyer & (Mars) Ingenuity Helo ...
PostPosted: 19 Apr 2021, 20:28 
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Since many of us here grew up in the computer h/w s/w industry the following excerpt from /. may be of interest:
An anonymous reader quotes a report from ZDNet:
A small miracle happened at 3:31am ET on Monday morning. Ingenuity, a tiny NASA helicopter, became the first powered aircraft to fly on another planet, Mars. This engineering feat was done with Linux, open-source software, and a NASA-built program based on the Jet Propulsion Laboratory's (JPL) open-source F (pronounced F prime) framework. GitHub CEO Nat Friedman and his team and the JPL Ingenuity crew took a long hard look into the helicopter's code and found that "nearly 12,000 developers on GitHub contributed to Ingenuity's software via open source. And yet, much like the first image of a black hole, most of these developers are not even aware that they helped make the first Martian helicopter flight possible."

They'll know now. Friedman wrote: "Today, we want to make the invisible visible. So, we have worked with JPL to place a new Mars 2020 Helicopter Mission badge on the GitHub profile of every developer who contributed to the specific versions of any open-source projects and libraries used by Ingenuity." The developer list was created by JPL providing GitHub with a comprehensive list of every version of every open source project used by Ingenuity. GitHub could then identify all the contributors who made these projects and their dependencies. Some of those honored, such as Linux's creator Linus Torvalds, are famous developers. Many others labor in obscurity -- but now their work is being recognized.
Timothy Canham, a JPL embedded flight software engineer, notes Ingenuity's program is powered by a Qualcomm Snapdragon 801 running at 2.2GHz, which is "far faster than the Mars Perseverance's rover processors," according to ZDNet. The reason this older chip was used is because it meets NASA's High-Performance Spaceflight Computing (HPSC) radiation standards.

Canham also says the flight control software on Ingenuity runs at 500Hz. The flight software "is used to control the flight hardware and read sensors 500 times per second in order to keep the helicopter stable." Canham added: "We literally ordered parts from SparkFun [Electronics]. This is commercial hardware, but we'll test it, and if it works well, we'll use it."

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 Post subject: Re: Wright Flyer & (Mars) Ingenuity Helo ...
PostPosted: 19 Apr 2021, 21:40 
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Username Protected wrote:
Since many of us here grew up in the computer h/w s/w industry the following excerpt from /. may be of interest:
An anonymous reader quotes a report from ZDNet:
A small miracle happened at 3:31am ET on Monday morning. Ingenuity, a tiny NASA helicopter, became the first powered aircraft to fly on another planet, Mars. This engineering feat was done with Linux, open-source software


Love it! I've been developing aerospace hardware and test equipment with Linux for 17 years. It rocks! (And Flies!)


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 Post subject: Re: Wright Flyer & (Mars) Ingenuity Helo ...
PostPosted: 19 Apr 2021, 22:46 
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I'm thinking of the aerodynamics of it and how frustrated I used to feel anytime my undergraduate fluid mechanics classes had a question that started with the phrase, "derive, from first principles...", as if there would ever be some application where the density and viscosity of a working fluid wouldn't be very close to water in the sea or air in the atmosphere here on earth (or other common analyses of fluid flow).

This puts those school problems into perspective- literally from a whole new world.


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