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OUS-2x400

OUS-2x400

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Huge fixture for two 400W HPS lamps. Very rare as they were produced in very small quantity. Here the great size of this fixture can be compared with typical fixture for only one HPS lamp.

IMG_1783.JPG IMG_4235.JPG IMG_4237 crop.JPG IMG_4238.JPG

Light Information

Light Information

Manufacturer:Polam Gostynin
Model Reference:OUS-2x400
Fixture
Fixture Type:HPS

File information

File information

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Filename:IMG_4237 crop.JPG
Album name:trojmiejski / Lanterns in Poland
Keywords:Lanterns
File Size:87 KB
Date added:Apr 02, 2018
Dimensions:1024 x 576 pixels
Displayed:82 times
Date Time:2017:08:02 16:35:22
DateTime Original:2017:08:02 16:35:22
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Focal length:24 mm
ISO:400
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Model:Canon EOS 1300D
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Dec 24, 2018 at 05:25 AM Author:
In real his size is not so big as it seems at a distance. The lamp compartment of this series of Polamp was also used for the single-lamp version. He was rotated 90 degrees. The largest lanterns is LBL 1x1000 from the GDR and EKA 2x1000 from Hungary.
trojmiejski
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Dec 24, 2018 at 12:38 PM Author: trojmiejski
Out of fixtures made in Poland Mesko OUR 1000 fixtures for 1000W MV are definitely bigger than this. OUR 1000 are quite similar in size to LBL 1x1000, maybe just a little bit smaller. EKA 2x1000 is the king of all fixtures, maybe only EKA 4x400 can come close though no collector so far got a 4x400 fixture therefore it hard to directly compare.




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Dec 24, 2018 at 02:56 PM Author:
Alas, this lantern has not received distribution in Russia. At least I have not seen his anywhere. And i can not compare. )
Some time ago i ended a restavration OYP-400 in this old corps. Second version. This lantern has not been widely distributed in Leningrad and in the north-western region of Russia in the past. But to me managed to find it in parts. Now it remains to recreate only the original mark on the front cover.




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Dec 24, 2018 at 03:00 PM Author:
Export copies of lanterns were marked in cyrillic. OYP-OUR and OYC-OUS.
trojmiejski
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Dec 24, 2018 at 03:02 PM Author: trojmiejski
Two lamp version was produced in very small quantity and wasn't exported at all. Single lamp fixtures were exported to many countries and with some luck it is possible to find them. What's funny is that some small number of fixtures designated for export with cyrillic text remained in Poland and were installed in different places, though it wasn't something very common.




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Dec 25, 2018 at 03:02 AM Author:
The most common here is the latest variation of the case with a bolt in the down part of the cover. It was approximately from 1987 to 1991. ELGO called these lamps Strada. If I'm not mistaken. The second variation, which combined the corps from the latter and the cover with the spring from the first, practically did not occur en masse. And finally, the first old corps i separate into three versions. The first is the most oldest of the 70's with wire locks for the glass and hook for the cover. These corps i have never seen live. Only on photo in Poland. The second with stamped of emblem Polamp on the front cover from early 80's. Finally, the third version from middle of 80's had a cover with a pattern in the form of a waffle, as his a reflector. I noticed that the thickness of the sheet materials in this version was much thinner than in the previous versions. Also i was see version with milk glass, but i have not seen such live and i do not know for what this glass. It should slightly reduce the luminous flux.
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Dec 25, 2018 at 08:46 AM Author: trojmiejski
Old OUS and OUR came in many variants, those with old type of body had 3 glass holding clamps (older ones) or 5 clamps (newer ones):
https://www.oprawy24.pl/oprawa/ous-400/
Indeed there was a version with milk glass, HPS versions (including 250W version) and MV version. Papers indicated production of version for MH though no one ever seen such version.
New OUS and OUR marketed as Strada came in many variants and it is quite difficult to count every version ever produced.
https://www.oprawy24.pl/oprawa/strada/
For sodium lamps they were offered in 150W, 250W and 400W versions while for mercury in 125W (only type of Strada with E27 base, if you find one with E27 HPS then it was converted from a fixture originally intended for MV), 250W and 400W.
125W, 150W and both 250W look more or less the same but both 400W differ by having the lamp chamber much wider.
Compare this:
https://www.oprawy24.pl/wp-content/uploads/2017/08/strada_54-1600x1200.jpg
with this:
https://www.oprawy24.pl/wp-content/uploads/2017/08/strada_117.jpg
Older Stradas tend to have signs of corrosion and UV degradation of bowl, newer ones are resistant to both things.




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Dec 26, 2018 at 12:51 AM Author:
Yes, about lanterns Polamp i know well everything that you wrote. As i already wrote, they were supplied in large quantities in the USSR and i had a wide field for studying them. At least the samples of the lanterns of the late 80's. Including literally. I disassembled a sufficient number of differen corps. I also have both variations of the latter corps with a large and a small lamp compartment for 250 and 400 W. The era ELGO interests me solely for informational purposes. Although of course, in the first years of the early 90's, lanterns did not differ much from their predecessors Polamp production. Much more interesting for me are the lanterns of the Mesko factory. They are very old and some information is not so clear.
I would like to know what the means index "oo" in old ORZ-6 with an upturned in up cartridge and reflector?
As i can understand, it was produced in the only version for 400 w.?
Does i understand right, that on it based a little later the ORZ-6 v.1 appeared with the ORZ-7 v.1 for a 250 watt lamp in which in both the reflector with the cartridge was turned in down position?
And one more small question - what is the difference between the ORZ-6 or ORZ-7 of the 70's from the ORZ-6-1 or ORZ-7-1 also of the 70's? In 80's they had cut off the lower part of the corps. This is clearly visible from afar. But the variants of the 70's are almost impossible to distinguish.
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Dec 26, 2018 at 05:58 AM Author: trojmiejski
I'm not sure what is the origin of "oo" index, though it simply means version with the lamp upside-down. It was made only in ORZ-6 version, the one for 400W lamps (overall 6 is for 400W, 7 for 250W). There were also ORZ-6 with same shape but with normal position of the lamp. Using ORZ-7 as an example, I will present each version. ORZ-7 v1 has a characteristic belly, yellow ring and is made from steel. ORZ-7 v2 has a flat belly, yellow ring and is made from aluminium and all later ones were also made from aluminium. Different versions of ORZ-7-1 look similar to each other but differ in many small details. I actually recommend asking someone other which uploaded photos of ORZ-6 and ORZ-7 fixtures as I don't feel competent enough to explain all the differences without a mistake.




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Dec 26, 2018 at 01:56 PM Author:
Thanks. ) About later versions i also know some nuanses between v.1, v.2 and v.3. But i dont know only "oo" and early -1. Photos do not give all the explanations. Unfortunately, I do not know anyone else who could talk about it. ( But it is interesting.
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