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  #11  
Old 03-02-2008, 12:20 PM
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you want me to do the maths? ok

the cfls are
4x27watts=108watts
4x1750lumens=7000lumens

the hps is
1x70watts=70watts
1x6300lumens=6300lumens

the hps is much more cheaper to run with just a slight lowering of lumens. i see what you mean
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  #12  
Old 03-04-2008, 06:45 AM
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Yup. I was gonna go CFL for the new veg room, but am going with my old HPS 70W. Might add in a couple CFLs On the edges. Though heat can be a reason to go CFL
(I've also noticed the CFLs don't last nearly their rated lifetime)

I ran a test on the 70W'er yesterday, it pulls 83-84 watts and 1.62amps.


(I also wish people would stop talking watts and talk lumens and color. Watts is fine for the HPS/MH since thats the bench mark. Watts is Ac consumption, well power dissipation. I'm running a light, I wanna know the light output)


Quote:
Originally Posted by jetski View Post
you want me to do the maths? ok

the cfls are
4x27watts=108watts
4x1750lumens=7000lumens

the hps is
1x70watts=70watts
1x6300lumens=6300lumens

the hps is much more cheaper to run with just a slight lowering of lumens. i see what you mean
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  #13  
Old 04-24-2008, 06:20 AM
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i have a question, instead of taking the whole thing appart and potentially ruining it, could i just take off the light cover and just put duct tape or something over the sensor so its always dark which means the light is always on. I probally could wire it but i dont wanna risk messing it up.
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  #14  
Old 04-24-2008, 01:21 PM
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The idea of making it remote ballast is that the ballast produces a lot of heat, move that heat away from the plants and you can move your light closer giving you better yields.

I modified one I have just a few days ago, I'll post pictures if you want. I have one without a light sensor, it's just a ballast, reflector and bulb in a box. All I had to do was open the box, cut the wire to the lamp socket and connect a longer wire. Plugged it in, works great.
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  #15  
Old 04-24-2008, 04:09 PM
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yeah id like to see the picture if thats ok?
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  #16  
Old 04-24-2008, 11:07 PM
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Here's the pictures
Attached Images
File Type: jpg ballast.jpg (73.7 KB, 0 views)
File Type: jpg ballast2.jpg (72.9 KB, 0 views)
File Type: jpg light.jpg (58.4 KB, 0 views)
File Type: jpg whole-thing.jpg (89.3 KB, 0 views)
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  #17  
Old 04-26-2008, 06:51 PM
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looks pretty good. thanks
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  #18  
Old 04-26-2008, 06:52 PM
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what kind of light was it when you bought it. like brand.
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  #19  
Old 04-26-2008, 08:49 PM
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NCI, they're the kind sold at home improvement stores as hps flood lights, this one doesn't have a light sensor so there's less work modifying it.
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  #20  
Old 04-27-2008, 08:02 AM
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ha entropic., thats exactly what i did, i have a 70w security light and i just took extension cords and spliced them in between the socket and ballast to "extend" the length of the socket,, works great
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