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Refractor Size Comparison

Refractor Size Comparison

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For MV1000watt :

From L to R : Holophane 4215 , Westy OV-50 , GE M-1000
Interestingly , the OV-50 refractor is basically the same size as a M-400 glass (just shaped a bit different!)

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Album name:wide-lite 1000 / Other lighting stuff
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Date added:Mar 21, 2020
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Date Time:2020:03:21 17:04:48
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MV1000watt
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Ge m250r1


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Mar 21, 2020 at 04:22 PM Author: MV1000watt
Amazing!

Why can't we just use led retrofit instead of replacing the whole fixture.

HPS_250
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I wonder how people ever lived without LAMPS...💡🔌💡


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Mar 21, 2020 at 04:35 PM Author: HPS_250
Nice refractors!

I like all kinds of lighting and electrical, especially HIDs and street lights!
- Lamp and fixture collector
-  neon sign collector

Power company: SCE (Southern California Edison) 120V, 60HZ

Light fixtures used by SCE: M-250R2, M-400R3. M-400 FCO, Cooper OVZ, OVX, OVH, GE ERS2 LED, OV-25

fluorescent lover 40
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Lights are awesome! :)


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Mar 21, 2020 at 04:41 PM Author: fluorescent lover 40
Nice!

Power provider: Southern California Edison (SCE)

- I collect whatever I can.
- Here to work, here to serve, here to save.

wide-lite 1000
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Mar 21, 2020 at 04:56 PM Author: wide-lite 1000
Thanks Guys !

Collector,Hoarder,Pack-rat! Clear mercury Rules!!

Fluorescent05
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Zack


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Mar 21, 2020 at 06:27 PM Author: Fluorescent05
Nice! How big are they?

Don't be fooLED, T8 IS the worst thing to do to a magnetic T12 fixture.

WestinghouseCeramalux
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Vintage HID Collector


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Mar 21, 2020 at 10:29 PM Author: WestinghouseCeramalux
Hmmm...didn't realize how much bigger the M-1000 refractor was compared to the OV-50.

Life is like a roll of toilet paper...the closer you get to the end, the faster it goes!  LOL

Memorex_Telex
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Love anything with a blue X1 or 70 sticker!


Miroxaphene
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Mar 22, 2020 at 07:37 AM Author: Memorex_Telex
So there’s a bit of science as to why GE, Westinghouse, & a few others were using these gigantic refractors with the 700-1,000W bulbs.

Bigger refractors more softly diffuse the light passing through them. There is a correlation between the size of the refractor & levels of glare. Obviously there is a balance point as these large glass parts are very expensive to have made.

Heat reduction. The bigger the refractor the more infrared radiation gets passed through & in theory keeps the streetlight more cool. Also the increased surface area can allow me heat exchange with the air touching the glass & help keep the streetlight cooler prolonging capacitor & ballast life.

GE really bought into these concepts. They wanted to make the best streetlight available for 310-1,000 watt bulbs. For 2020 inflation an M-1000 cost roughly $1,700 & I bet most of that was the cost of the gigantic “fish-bowl” glass refractor.
wide-lite 1000
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Mar 23, 2020 at 07:57 PM Author: wide-lite 1000
@ Fluorescent05 : 4215 : 13 7/8" X 11 3/4' , 0V-50 : 18" X 15 1/4" , M 1000 : 21 1/2" X 17 1/2"
@ WestinghouseCeramalux : It's a monster !
@ Memorex_Telex : An M-1000 refractor would probably make a hell of a punch bowl for your next party !

Collector,Hoarder,Pack-rat! Clear mercury Rules!!

joseph_125
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GoL
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Mar 24, 2020 at 07:18 PM Author: joseph_125
Interesting comparison, I wonder how a Powerlite B2255 refractor compares to these. They have a relatively huge refractor too. They were mostly used with 400w lamps but was also offered in 1kW.
wide-lite 1000
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Mar 25, 2020 at 09:09 PM Author: wide-lite 1000
I know of about a dozen 1k B2255's in a parking lot not to far from me. If I'm able to rescue any I can find out !

Collector,Hoarder,Pack-rat! Clear mercury Rules!!

joseph_125
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GoL
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Mar 27, 2020 at 02:32 AM Author: joseph_125
Hope you get them, the 1kW variants were much more rare here than the 250w-400w versions. As far as I know, they're basically the same light but the 1kW version has different socket mount.
wide-lite 1000
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Mar 27, 2020 at 08:32 PM Author: wide-lite 1000
Once all the covid-19 stuff goes away I'll try to figure out who owns them . I highly doubt they are going anywhere as the rest of the place has sat pretty much untouched for as long as I've lived here(25yrs) ....

This is some of them : https://www.lighting-gallery.net/gallery/displayimage.php?album=5202&pos=65&pid=162238

Collector,Hoarder,Pack-rat! Clear mercury Rules!!

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