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Old 12-16-2009, 07:03 AM   #1
bookman51
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Default Lighting calculator

I am looking for a lighting calculator to help me calculate how much light for my shop. So far the ones I have found on the Internet do it for tungsten or tubes. I am thinking about CFL. Some do it by wattage, which I would think is essentially worthless when using CFL. Also, I have about 15' to the rafters, and I want to find one that takes into account the distance of the light to the floor. Final question, and I have seen some threads on this, but what lumens do people recommend for a shop area....and a storage area (old tractors)?

Thanks in advance

Bookman
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Old 12-16-2009, 01:36 PM   #2
viper522
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Default Re: Lighting calculator

I've tried this one
http://www.gelighting.com/na/busines...kit/layout.htm
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Old 12-16-2009, 04:52 PM   #3
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Default Re: Lighting calculator

http://www.a-wall.com/lightcalc.php
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Old 12-17-2009, 09:26 AM   #4
bookman51
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Default Re: Lighting calculator

Fellows, Thanks, but I do not see how either of them work for what I am looking----how many CFL to put in when placed at a certain height.

Thanks for trying

Bookman
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Old 12-17-2009, 05:00 PM   #5
gatchel
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Default Re: Lighting calculator

I have seen references to this based on location not lighting type. For recessed it's typically half the ceiling height for spacing.
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Old 12-19-2009, 09:39 AM   #6
79BlackPearl
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Default Re: Lighting calculator

Some points of reference............

http://garagejournal.com/forum/showt...ighlight=30X30

http://garagejournal.com/forum/showt...t=30X30&page=3
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Old 12-19-2009, 07:13 PM   #7
bookman51
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Default Re: Lighting calculator

79BlackPearl,

Thanks, I had followed the Veno thread but not Delmarva's. I would like to hat they have done but looking for some idea for how many CLF for my shop. I see that Veno wished he had put in a couple more per grid.

I have a 40x72 building with 32x40 as shop and the rest storage (antique tractors) in Nebraska. I want the shop part well-lighted, but probably will put in fewer in the storage part. Also, want to see folks' experience with these CFL in colder weather. Veno in Texas. but I think Delmarva is east coast.

Thanks again.

Bookman
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