View allAll Photos Tagged weld
Engineers are welding the core stage structures for the Artemis III mission, which will land the first woman and the next man on the lunar surface, through a process called friction stir welding. Each of the structures for the core stage has rings that attach the pieces together to produce one stage during final assembly. The rings are trimmed down to 1/1000th of an inch at the ring machining center then sent to another part of the facility for the next phase of manufacturing. Assembling the 5.5-million-pound SLS rocket for the Artemis missions takes special tools and is a collaborative effort between NASA and Boeing, the lead contractor for the core stage.
Image Credit: NASA
#NASA #space #moon #Mars #NASAMarshall #msfc #sls #spacelaunchsystem #nasasls #rockets #exploration #engineering #explore #rocketscience #artemis #MichoudAssemblyFacility #MAF #Michoud
Modified from a worn-out cap. Print this image (as you would a photo) on letter-size paper then enlarge or reduce it (with a photocopier or playing with printer settings) to attain the desired size, using the scale bar as your guide. Instructions are Here (and here, if you can't access the patternreview site).
Here’s a closer look at the old hydro mechanism. I came back twice more in the next year, looking for better light, and I found it.
A great piece of industrial history, and not as dangerous as it might seem. It’s only about a 30- or 40-degree tilt inside this tunnel — you can see my feet in the photo, and they’re not braced on anything.
An eastbound freight catches the bottom of the dip at Enfield, now lined with continuous welded rail.
24th October 2004 and the sheds at Grosmont, North Yorkshire Moors railway sees welding being done on a boiler while black 5 45212 sits dead in the shed
Berlin, 4.2020
Water tower triptych - I
Triptyque de la tour - I
Wasserturm Triptychon - I
"Elle forme un carré parfait qui semble l'empreinte d'un sceau géant au milieu du labyrinthe. Des casernes se groupent tout autour, le mur du fond est peint en rouge. Une rampe surgit du mur, s'avance et s'interrompt. Tout semble tracé au cordeau, sans fantaisie.
Sur la place déserte se produit le phénomène suivant : la force du carré est telle qu'il vous emprisonne en son centre. On y est seul sans l'être."
>>> Siegfried Kracauer.......in: Rues de Berlin et d'ailleurs (1931)
"Er bildet ein perfektes Quadrat, das den Abdruck eines riesigen Siegels in der Mitte des Labyrinths zu haben scheint. Baracken sind ringsum gruppiert, die hintere Mauer ist rot gestrichen. Eine Rampe taucht aus der Mauer auf, läuft ein paar Meter und hört auf. Alles scheint mit einer Linie gezeichnet zu sein, ohne Schnickschnack.
Auf dem menschenleeren Platz tritt folgendes Phänomen auf: Die Stärke des Quadrats ist so groß, dass es einen in seinem Zentrum gefangen hält. Man ist dort allein, ohne allein zu sein."
>>> Siegfried Kracauer.......in: Strassen in Berlin und anderswo (1931)
On August 1, 1972, a Navajo trackworker puts the final touches on a Boutet field weld at West Seligman, Arizona. The worker is grinding the head of the rail after the welding process to provide a smooth transition from one railhead to the other. The welding process continues today, but the procedure has been modernized and simplified somewhat. Photo by Joe McMillan.
Waiting patiently is not one of my strong suits...while waiting for events back in April at the photo shoot for 611 I found this welded into steel for a switch. It appears after research on another switch that these numbers are significant by date or order and likely refers to install date or lot number. No idea about this one, but one more rail item to question.
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What the heck, here's another barn near Colorado's first railroad, the Denver Pacific along the St. Vrain river and the confluence with the South Platte River just northeast. eDDie says it has been rebuilt into housing. The D.P. railroad was built with a U.P. RR nod toward increasing Cheyenne traffic and support as a "land grant" railroad. The old grade is a historic memorial trail now so I guess it is entirely walkable. Later, when it cools to near normal. I see that one of the old trestles is still in place over the St. Vrain on the way toward Milliken and later Greeley. After the UP RR absorbed the DP RR, they named it the "Dent Branch." When I asked Google maps to locate "Dent, Colorado" the later UP RR branch name for the then branch line, It flagged a spot southeast of Milliken, Colorado. What was Dent as marked by the Google flag?
I asked the Colorado Virtual Library, and found it was not a town but an old depot and:
"Near Milliken, Colorado is the Dent Site, one of Colorado’s oldest and most significant archaeological sites. It was discovered in 1932 by a railroad foreman, who spotted some very large bones sticking out of the mud near the railroad tracks. Construction of the tracks, combined with heavy spring rains, had exposed a site that had been covered since the last ice age." CVL
It had been once inhabited by the prehistoric 'Clovis' Indians. I guess I better investigate what is there now. Maybe I will find some prehistoric bones and old railroad traces.
I am absolutely certain that I made NO positive contact with a Weld-head, right-wing carrier on my eastern swing, not even Don "Tweets" Corona, their bag man operator. I now have to invest in some petroleum futures at the local gas-er-up.
This eastern part of the valley is loaded with sand and gravel extraction firms. There is scarcely a confluence left to float. Google maps shows how ofter the river looped around the flat river bottoms and every gravel pit. Hand-hewn ties can never again be floated down the St. Vrain to the ghost RR! They won't need to use water to grow crops... ever again. The best crop then is actually topsoil. Take the money, build prairie castles and run. Water bluegrass with the river. Don't need no steenkin' agriculture.
CP 2237 (SD22C-ECO) leads a CP SD60 on a loaded welded rail train under the Milwaukee Road searchlights in Franklin Park, IL.
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Chromoskedasic Sabattier Technique with Fomabrom 123
SE4 Neutral 1+10 50 secs, 2nd bath 1600ml water + 160ml stabilizer + 200ml activator, light on after 10 secs, total time 45 secs