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Old 07-08-2021, 05:38 PM
ConstOrion ConstOrion is offline
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ALMA. Antena Mitsubishi Electric de 7 m

Hello everybody!
Here again.
To release my hand in my return to modeling on cardboard, I decided on two models. The first was the Apollo-Soyus project and then what I will present now. I thought it easy, but no. The difficulty was greater than expected.
It is the 7-meter Mitsubishi Electric Antenna of the ALMA complex
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Old 07-08-2021, 05:42 PM
ConstOrion ConstOrion is offline
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ALMA, Antena Mitsubishi Electric de 7 m

ALMA (Atacama Large Millimeter / submillimeter Array) is a giant radio telescope composed of an array of fifty 12-meter antennas, as well as a smaller array known as the Compact Atacama Array (ACA). The latter will have a total of four 12-meter antennas and another twelve with 7-meter discs.
The antenna I built is the latter.
Here are a couple of photos of the real antenna:
Attached Thumbnails
ALMA. Antena Mitsubishi Electric de 7 m-alma-7-m.jpg   ALMA. Antena Mitsubishi Electric de 7 m-antenas-alma-141-scaled.jpg  

Last edited by ConstOrion; 07-08-2021 at 06:13 PM.
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Old 07-08-2021, 05:57 PM
ConstOrion ConstOrion is offline
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ALMA, Antena Mitsubishi Electric de 7 m

Before, point out what a big difficulty the manual was: in Japanese. The translators did not help. I started with the main reflector, the sub reflector, and the sunshade.
Photo 1: Pieces
Photo 2: Parts prepared for assembly
Photo 3: Main reflector with the sub reflector
Photo 4: Main reflector with the sub reflector over the sunshade
Attached Thumbnails
ALMA. Antena Mitsubishi Electric de 7 m-img_20210627_231648776.jpg   ALMA. Antena Mitsubishi Electric de 7 m-img_20210630_231112371.jpg   ALMA. Antena Mitsubishi Electric de 7 m-img_20210704_224355591.jpg   ALMA. Antena Mitsubishi Electric de 7 m-img_20210704_224449742.jpg   ALMA. Antena Mitsubishi Electric de 7 m-img_20210703_130620949.jpg  


Last edited by ConstOrion; 07-08-2021 at 06:14 PM.
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Old 07-08-2021, 06:05 PM
ConstOrion ConstOrion is offline
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ALMA, Antena Mitsubishi Electric de 7 m

We continue with the Receiver's Cabin
Photo 1: Pieces
Photo 2: Receiver's Cabin armed
Attached Thumbnails
ALMA. Antena Mitsubishi Electric de 7 m-img_20210703_154237562.jpg   ALMA. Antena Mitsubishi Electric de 7 m-img_20210705_135629434_2.jpg  
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Old 07-08-2021, 06:12 PM
ConstOrion ConstOrion is offline
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ALMA, Antena Mitsubishi Electric de 7 m

After searching the net, I found a manual in Spanish of an ALMA antenna model, but the 12-meter one. For some pieces that I have already assembled and the one that comes, it helped me a lot since they are similar in their construction.
We continue with the Yugo
Photo 1: Pieces
Photo 2: Yugo Armed
Attached Thumbnails
ALMA. Antena Mitsubishi Electric de 7 m-img_20210703_230523312.jpg   ALMA. Antena Mitsubishi Electric de 7 m-img_20210704_223359802.jpg  
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Old 07-08-2021, 07:28 PM
ConstOrion ConstOrion is offline
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ALMA, Antena Mitsubishi Electric de 7 m

We continue with the Yoke and the azimuth bearing housing
Photo 1: Pieces
Photo 2...n: Armed
The important thing in this assembly is that the bearing of the azimuth must be free so that the yoke can rotate freely
Attached Thumbnails
ALMA. Antena Mitsubishi Electric de 7 m-img_20210704_231722414.jpg   ALMA. Antena Mitsubishi Electric de 7 m-img_20210704_233852165.jpg   ALMA. Antena Mitsubishi Electric de 7 m-img_20210704_233900249.jpg   ALMA. Antena Mitsubishi Electric de 7 m-img_20210704_234532330.jpg   ALMA. Antena Mitsubishi Electric de 7 m-img_20210704_234539832.jpg  

ALMA. Antena Mitsubishi Electric de 7 m-img_20210704_234633879.jpg   ALMA. Antena Mitsubishi Electric de 7 m-img_20210704_234719148.jpg   ALMA. Antena Mitsubishi Electric de 7 m-img_20210704_234739804.jpg   ALMA. Antena Mitsubishi Electric de 7 m-img_20210705_000941773.jpg   ALMA. Antena Mitsubishi Electric de 7 m-img_20210708_154610568.jpg  

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Old 07-08-2021, 07:36 PM
ConstOrion ConstOrion is offline
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ALMA, Antena Mitsubishi Electric de 7 m

Pedestal.
Photo 1 and 3: Pieces
Photo 2,4 and 5: Pedestal and base
armed
Attached Thumbnails
ALMA. Antena Mitsubishi Electric de 7 m-img_20210707_174134103.jpg   ALMA. Antena Mitsubishi Electric de 7 m-img_20210707_180844187.jpg   ALMA. Antena Mitsubishi Electric de 7 m-img_20210707_195038617.jpg   ALMA. Antena Mitsubishi Electric de 7 m-img_20210707_200558622.jpg   ALMA. Antena Mitsubishi Electric de 7 m-img_20210707_200611076.jpg  

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Old 07-08-2021, 08:01 PM
ConstOrion ConstOrion is offline
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ALMA, Antena Mitsubishi Electric de 7 m

From now on, I had to assemble based on ingenuity and look a lot at the photos of the antenna, because the manual in Japanese did not help much.
Photo 1: Pieces
Photo 2,3,4 and 5: Gantry and Elevation gear armed
Photo 6: Access terrace to the reception booth
Attached Thumbnails
ALMA. Antena Mitsubishi Electric de 7 m-img_20210705_214656568.jpg   ALMA. Antena Mitsubishi Electric de 7 m-img_20210707_002900910.jpg   ALMA. Antena Mitsubishi Electric de 7 m-img_20210707_170441656.jpg   ALMA. Antena Mitsubishi Electric de 7 m-img_20210707_173001602.jpg   ALMA. Antena Mitsubishi Electric de 7 m-img_20210707_173956148.jpg  

ALMA. Antena Mitsubishi Electric de 7 m-img_20210707_003008965.jpg  
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Old 07-08-2021, 08:02 PM
ConstOrion ConstOrion is offline
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ALMA, Antena Mitsubishi Electric de 7 m

Well, here are all the parts for assembly
Attached Thumbnails
ALMA. Antena Mitsubishi Electric de 7 m-img_20210707_221913965.jpg   ALMA. Antena Mitsubishi Electric de 7 m-img_20210707_222227530.jpg  
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Old 07-08-2021, 08:10 PM
ConstOrion ConstOrion is offline
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Join Date: May 2012
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ALMA, Antena Mitsubishi Electric de 7 m

Final assembly

Photo 1 to 10: Final assembly of the 7 m Mitsubishi Electric Antenna of the ALMA astronomical complex
Attached Thumbnails
ALMA. Antena Mitsubishi Electric de 7 m-img_20210708_154610568.jpg   ALMA. Antena Mitsubishi Electric de 7 m-img_20210708_155624650.jpg   ALMA. Antena Mitsubishi Electric de 7 m-img_20210708_154630775.jpg   ALMA. Antena Mitsubishi Electric de 7 m-img_20210708_162808861.jpg   ALMA. Antena Mitsubishi Electric de 7 m-img_20210708_163832516.jpg  

ALMA. Antena Mitsubishi Electric de 7 m-img_20210708_164306078.jpg   ALMA. Antena Mitsubishi Electric de 7 m-img_20210708_165354948.jpg   ALMA. Antena Mitsubishi Electric de 7 m-img_20210708_165444194.jpg   ALMA. Antena Mitsubishi Electric de 7 m-img_20210708_165512948.jpg   ALMA. Antena Mitsubishi Electric de 7 m-img_20210708_165524986.jpg  

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