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The odd couple...

The odd couple...

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Up until a month ago this streetlight pole looked like this (here). It housed a GEC Z3430 (Right, in the link photo) and a Sylvania Roadster (Left in the link photo). The Z3430 400watt HPS was the original lantern to this very pole and was dated on its control box lid as 1991. Its twin brother was replaced in 2012 with the 250watt Roadster. At the time I thought it was very odd to be placing a 250watt fitting so high next door to a 400watt lantern, and then there's the fact that the two original 400watt Z3430's would have been placed here to meet the lighting standards required for this stretch of road. Unfortunately the Z3430 was replaced, however a more sensible decision was made this time by placing another 400watt lantern in its place, however the 250watt lantern remains in plastic bowl guise. Even though the 400watt lantern is a good replacement it would still be outperformed 'light distribution' wise by the Z3430 which was especially designed to throw its light in a circular shape, ideal for this road situation, as opposed to just straight down on the subject like the current Roadster. I compared these the other night and as would be expected the 400watt Roadster drowns out the 250watt Roadster.

Here and here are photos of my own Sylvania Roadsters, in aeroscreen and bowl form.

You will see that the two lanterns are dated as 2011 - I would say that they have been kept in storage at the Power Co's workshop from 2011 onwards until they were needed to go into service.

On each of the four corners of the roundabout are 250watt Sylvania Roadsters, which up until recently were Osram stamped 250watt HPS Optispans.

BOS1.jpg DSCN2440.JPG PG.jpg DSCN1891.JPG

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Filename:PG.jpg
Album name:jimmyjames / Out and about - street lighting in service
Keywords:Lanterns
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Date added:Jul 01, 2014
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URL:https://www.lighting-gallery.net/gallery/displayimage.php?pos=-95552
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LegacyLighting
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Blake


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Aug 08, 2014 at 02:15 PM Author: LegacyLighting
Hey James

Well I'm guessing a far cheaper solution than the Z3430's - There is over a kilometer of cluster Roadsters along the New England Highway heading south from Tamworth - I have them in my galleries. As you say interesting that they are both 2011. Do these crews understand the functional difference of the Aeroscreen and the Semi Cut-off?
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