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N scale town module -- various kits
One of my favourite places in this module -- the steps leading up to the Market Square.
N scale town module -- various kits
The individual mini lights were still wrapping around the roof of the town hall. I've decided to leave them on for the photo shoot.
No, this is not a model for a Belgian town. I just threw on the flag from the kit for the hell of it.
Small rotation module. This module is the first part of the rotary table. A second module will later in the other direction. Insects coming in the nodal point. They remain centered in the picture even when rotating. There are small attachments on this rotary table. There is an internal brake, thus, the insects remain beautiful in their place. The brake consists of a nylon sleeve which is tightened by means of a screw. The braking force can be perfectly arranged.
N scale town module -- various kits
My only regret is that the escapement should have more of a slope and be less vertical.
The plastic guard was there so the trains don't fall off into the abyss during display by accident. I probably shouldn't build it so close to the edge anyway. Depends what I'm doing with this module I may extend out anyway, who knows.
From left to right: Oliver Juckenhöfel, Airbus, Mark Kirasich, NASA, Mike Hawes, Lockheed Martin, Bremen Lord Mayor Carsten Sieling, David Parker, ESA, Bas Theelen, Airbus.
The European Service Module that will power and propel the Orion spacecraft on its first mission around the Moon ships from Bremen to the United States. It will take off in an Antonov An-124 aircraft in the early hours of 5 November and arrive at Kennedy Space Center in Florida, US on 6 November.
Designed and manufactured in Italy and Germany, the powerful workhorse is Europe’s contribution to humanity’s return to the Moon.
Credits: Airbus
N scale town module -- various kits
Street leading to town hall. Originally it was a tree-lined avenue but the two trees fell during the move. Perhaps for the next photo shoot they will be restored.
There is one play upon words with the fire in the "Étienne Brûlé" brewery.
The employees occupied to drink on the roof forgot to check the manometers and valve which consequently started a fire. They are too drunk to realize that the fire is under their feet.
The second brewery is located in the old CN roundhouse in Toronto. Every evening, there is a cocktail with beer tasting.
The third one is from Belgium with a portable alambic for distillation of prunes, cherries and other fruits.
This module is one of the corners of my modular layout
Enjoy,
Christian
The Orion crew and service module stack for Artemis I was lifted out of the Final Assembly and Test (FAST) cell on Monday, November 11. The spacecraft has been stationed in the FAST cell since July 2019 for mating and closeout processing.
The service module and crew module were moved separately into the cell, stacked and connected together for the mission.
After lifting out of the cell, Orion will be attached to a tool called a verticator that rotates the stack from its vertical configuration to a horizontal configuration for transport to NASA’s Plum Brook Station in Sandusky, Ohio, USA, where it will undergo full environmental testing to certify the complete vehicle for flight.
Once the vehicle returns to NASA's Kennedy Space Centre it will return to the FAST cell for installation of final panels left off for environmental testing purposes and the service module’s four solar arrays.
Credit: NASA–Rad Sinyak
Double rotating module and built-in electronics.
This module is intended as an extension to the Fischertechnik building blocks. This is a compact unit with double rotation. Each stage has a built-in quadrature decoder and home point detection. Hall detectors are used for this. The big advantage of this hall AH3144E is that it works on a voltage from 4.5V to 24V and is therefore compatible with most hardware. The output is an open collector type. Each stage is powered by an XS motor 9V.
The upper axis has a pivoting block with 20 teeth. The gear profile is adapted to work with the worm gear of FT without much backlash. On the contours of this rotating block are small holes provided to apply a neodymium magnet D2x3mm. This magnet serves as a home point for calibration. On the worm shaft is a small disk encoder with 5 magnets. Through quadrature detection you get 20 pulses per revolution. The angle adjustment accuracy of the pivot block is therefore 1/400 or 0.9 degrees. The total angular rotation is slightly more than 180 degrees. The lower turntable has a gear with 44 teeth. It can rotate the full 360 degrees. The accuracy here is 1/880 = 0.41 degrees. The worm shaft also has an encoder disk with 5 magnets (20 pulses/rotation). The encoder disc is adapted to the worm so that it cannot slip on the shaft. All necessary .stl files are available here.
I tested all parts, mounted the hall detectors and measured the signals. The quadrature detection automatically possesses the correct 90 degree phase shift. You don't have to adjust anything. The XS motor is used with its standard reduction block and has about 140 revolutions/minute on the worm (2.35 rec/sec). An encoder pulse corresponds to about 21 msec. Your quadrature decoder must therefore be able to process the pulses within these 21 msec, or even better 15 msec because there is always a small deviation possible (phase shift is 90° +/- 20%).
On the upper rotation arm I mounted an original FT grip module. The intention is to replace this grip module with a more compact version with built-in electronics.
3D printer settings:
I always use PolyMaker polyMax PLA filament. This filament is much stronger than the normal PLA, even stronger than ABS. The printed pieces are very clean and the parts slide gently over each other. The tolerances are very good and very little finishing is required. For some parts you do need to use supports. Brim or Raft are not needed. I don't have a heated table but keep the printing plate under warm water for a while before printing. On my FlashForge Finder I use the Standard settings with a temperature of 210°.
ThingIverse stl files: www.thingiverse.com/thing:3456823
befuddling some squares with creases I found the module on the right side ...
duocolor paper - 8 times blue-silver, 8 times copper-anthrazit
Modular scupltures created using only 5x8 plain office stock cards.
Modular sculptures were required to be identical and able to connect to each other in at least five different ways.
The Orion crew and service module stack for Artemis I was lifted out of the Final Assembly and Test (FAST) cell on Monday, November 11. The spacecraft has been stationed in the FAST cell since July 2019 for mating and closeout processing.
The service module and crew module were moved separately into the cell, stacked and connected together for the mission.
After lifting out of the cell, Orion will be attached to a tool called a verticator that rotates the stack from its vertical configuration to a horizontal configuration for transport to NASA’s Plum Brook Station in Sandusky, Ohio, USA, where it will undergo full environmental testing to certify the complete vehicle for flight.
Once the vehicle returns to NASA's Kennedy Space Centre it will return to the FAST cell for installation of final panels left off for environmental testing purposes and the service module’s four solar arrays.
Credit: NASA–Rad Sinyak
The Orion crew and service module stack for Artemis I was lifted out of the Final Assembly and Test (FAST) cell on Monday, November 11. The spacecraft has been stationed in the FAST cell since July 2019 for mating and closeout processing.
The service module and crew module were moved separately into the cell, stacked and connected together for the mission.
After lifting out of the cell, Orion will be attached to a tool called a verticator that rotates the stack from its vertical configuration to a horizontal configuration for transport to NASA’s Plum Brook Station in Sandusky, Ohio, USA, where it will undergo full environmental testing to certify the complete vehicle for flight.
Once the vehicle returns to NASA's Kennedy Space Centre it will return to the FAST cell for installation of final panels left off for environmental testing purposes and the service module’s four solar arrays.
Credit: NASA–Rad Sinyak
JSC2008-E-031690 (30 Jan. 2008) --- The Orion crew module that will be used for the Orion Launch Abort System Pad Abort-1 flight test heads to a hangar at NASA Langley Research Center for verification testing prior to shipment to NASA Dryden Flight Research Center. Photo credit: NASA/Sean Smith
The big chip on the left is an MSP430, and the little one on the right is an NRF24L01+. This module is going to teach me the ANT protocol.
The Orion crew and service module stack for Artemis I was lifted out of the Final Assembly and Test (FAST) cell on Monday, November 11. The spacecraft has been stationed in the FAST cell since July 2019 for mating and closeout processing.
The service module and crew module were moved separately into the cell, stacked and connected together for the mission.
After lifting out of the cell, Orion will be attached to a tool called a verticator that rotates the stack from its vertical configuration to a horizontal configuration for transport to NASA’s Plum Brook Station in Sandusky, Ohio, USA, where it will undergo full environmental testing to certify the complete vehicle for flight.
Once the vehicle returns to NASA's Kennedy Space Centre it will return to the FAST cell for installation of final panels left off for environmental testing purposes and the service module’s four solar arrays.
Credit: NASA–Rad Sinyak
Seymour (TN) VFD Command 1 is a 1978 Chevrolet/Modulance command vehicle. It is gas-powered with an automatic transmission. Photo taken on 18 March 1995 at Rural Metro's shop in Knoxville.
Ricoh 35mm SLR
The Orion crew and service module stack for Artemis I was lifted out of the Final Assembly and Test (FAST) cell on Monday, November 11. The spacecraft has been stationed in the FAST cell since July 2019 for mating and closeout processing.
The service module and crew module were moved separately into the cell, stacked and connected together for the mission.
After lifting out of the cell, Orion will be attached to a tool called a verticator that rotates the stack from its vertical configuration to a horizontal configuration for transport to NASA’s Plum Brook Station in Sandusky, Ohio, USA, where it will undergo full environmental testing to certify the complete vehicle for flight.
Once the vehicle returns to NASA's Kennedy Space Centre it will return to the FAST cell for installation of final panels left off for environmental testing purposes and the service module’s four solar arrays.
Credit: NASA–Rad Sinyak
The Orion crew and service module stack for Artemis I was lifted out of the Final Assembly and Test (FAST) cell on Monday, November 11. The spacecraft has been stationed in the FAST cell since July 2019 for mating and closeout processing.
The service module and crew module were moved separately into the cell, stacked and connected together for the mission.
After lifting out of the cell, Orion will be attached to a tool called a verticator that rotates the stack from its vertical configuration to a horizontal configuration for transport to NASA’s Plum Brook Station in Sandusky, Ohio, USA, where it will undergo full environmental testing to certify the complete vehicle for flight.
Once the vehicle returns to NASA's Kennedy Space Centre it will return to the FAST cell for installation of final panels left off for environmental testing purposes and the service module’s four solar arrays.
Credit: NASA–Rad Sinyak
The five modules used to create the modular origami halftoned Mona Lisa, representing grey levels 0, 1/4, 1/2, 3/4, and 1.
The Orion crew and service module stack for Artemis I was lifted out of the Final Assembly and Test (FAST) cell on Monday, November 11. The spacecraft has been stationed in the FAST cell since July 2019 for mating and closeout processing.
The service module and crew module were moved separately into the cell, stacked and connected together for the mission.
After lifting out of the cell, Orion will be attached to a tool called a verticator that rotates the stack from its vertical configuration to a horizontal configuration for transport to NASA’s Plum Brook Station in Sandusky, Ohio, USA, where it will undergo full environmental testing to certify the complete vehicle for flight.
Once the vehicle returns to NASA's Kennedy Space Centre it will return to the FAST cell for installation of final panels left off for environmental testing purposes and the service module’s four solar arrays.
Credit: NASA–Rad Sinyak
Le programme Apollo de la NASA, visant à poser un homme sur la Lune avant la fin 1970, est lancé par le président américain Kennedy le 25 mai 1961, essentiellement pour des raisons de prestige et de politique internationale. En effet, les succès de l'astronautique soviétique, qui vient de réussir un grand nombre de premières spatiales depuis le début de l'ère spatiale (premier satellite artificiel, première sonde spatiale, premier homme dans l'espace), portent un coup à l'image de puissance dominante des États-Unis, alors que la guerre froide entre les deux superpuissances bat son plein. Les dirigeants soviétiques ne relèvent pas le défi spatial américain en partie parce qu'ils sous-estiment la capacité de la NASA à rattraper son retard. Dès 1960, Sergueï Korolev, à l'origine des succès les plus éclatants de l'astronautique soviétique, commence pourtant à concevoir une mission lunaire reposant sur le développement de la fusée géante N-1, mais son projet n'obtient aucun soutien. Toutefois, avec trois ans de retard sur les américains, le dirigeant soviétique Khrouchtchev décide, en constatant les progrès de la NASA, de lancer le 3 août 1964 le Programme lunaire habité soviétique. Pour disposer d'un lanceur suffisamment puissant, Korolev réclame le développement de moteurs cryogéniques performants (c'est-à -dire utilisant de l'hydrogène liquide, comme ceux en cours de développement aux États-Unis), mais il se heurte au refus de Valentin Glouchko, qui possède un quasi-monopole sur la fabrication des moteurs-fusées de forte puissance. En l'absence d'alternative immédiatement disponible, Korolev doit utiliser des moteurs beaucoup moins performants : la capacité du lanceur N-1, utilisé pour placer en orbite les vaisseaux lunaires soviétiques, est seulement 70 % celle de la fusée Saturn V jouant un rôle équivalent pour la Lune.