Air cooled reflector testing with Digital footcandle meter - Page 2 - Growroom Lighting - International Cannagraphic Magazine Forums

clowntown · 02-25-2007, 05:38 PM

I'm also very impressed with your thorough testing methods.

How about a test, with and without glass?

02-25-2007, 05:49 PM

very cool thread pico. good of ya to take the time time to git sum numbers out there. ya gotta love numbers!

i'll be hangin round for the rest.

Budweiser13 · 02-25-2007, 08:27 PM

Tagged thanks for doing this pico I have the cool sun 6 inchers...

pico · 02-25-2007, 11:15 PM

Without glass, great idea. I will get on that.

Coolsun 6" hoods are coming up. As well as the Coolsun XL 8". It might be another day or so for those numbers. I am currently using the coolsuns in a grow and need to take them down for testing. I will test them during the next dark cycle.

EddieShoestring · 02-25-2007, 11:48 PM

Quote:

Are you talking about the kind that has the reflective aluminum outside the cooltube, or just a cooltube with no reflector?

alright Pico-i'm talking about a meter test on a cooltube with the internal reflector in place (modified or unmodded) with or without the external wings- in a conventional horizontal position-although with all those air cooled hoods i understand your reluctance to rush out and buy another one

eddie

Mr.Jiggyfly · 02-26-2007, 01:02 AM

Awesome thread man. I too would like to see the results for the cooltube because ive been thinking of replacing mine with a silverstar for a while. I dont like the footprint at all.

pico · 02-27-2007, 07:43 AM

Well I tore up my flowering room lighting in the name of science. There are more important things I should be doing, but I must get to the bottom of this.

Cool Sun 6" hood

At 18 inches. Measured in footcandles.
glass : no glass
1. 1140 : 1230
2. 1960 : 2120
3. 2140 : 2340
4. 1200 : 1310
5. 2110 : 2250
6. 4500 : 4650
7. 4930 : 4910
8. 2270 : 2230
9. 1950 : 2040
10. 3980 : 4020
11. 4310 : 4170
12. 1670 : 1880
13. 1160 : 1230
14. 2020 : 2020
15. 2080 : 1980
16. 1160 : 1140
Average with glass: 2411
Average without glass: 2470
2.4% of light is lost with glass.

At 21 inches.

1. 1180
2. 1910
3. 2020
4. 1380
5. 1920
6. 3600
7. 3870
8. 2280
9. 1860
10. 3280
11. 3440
12. 2020
13. 1180
14. 1830
15. 1900
16. 1270

Average: 2184

At 24 inches.

1. 1200
2. 1800
3. 1870
4. 1300
5. 1850
6. 3080
7. 3240
8. 2000
9. 1790
10. 2840
11. 2950
12. 1860
13. 1200
14. 1760
15. 1850
16. 1260

Average: 1991

The Cool Sun 6" is a well built reflector. Unlike the ArcticSun and SuperSun, it does not have leaks anywhere in the main body. Like all the others it still needs to be sealed around the glass. It reflects more light than the arcticsun but less than the supersun. I could have guessed this from the inside of each hood, but good to have the numbers.

Just a recap of testing so far. These are the averages at 18 inches with each reflector over a 3x3 grid. Measured in footcandles.

Arcicsun: 2252
Super Sun 2: 2596
Cool Sun 6": 2411
Cool Sun 6" no glass: 2470

Anyone using any of these supersun 2 reflectors? Deffinately adding 4 of these to my room this week.

pico · 02-27-2007, 09:18 AM

Am I presenting the information clearly? Let me know if I need to expain anything. It all makes sense to me but I could be leaving something out.

Cool Sun 8" results coming up in just a minute.

MTF-Sandman · 02-27-2007, 09:35 AM

I'm following ya

It would be sweet if there was a way to chart the data tho...but I'm sure that'd probably be a PITA.

pico · 02-27-2007, 09:49 AM

I am working on that right now. I think the hard part was typing all those numbers in to the computer and the calculator.

02-25-2007, 11:15 PM	#14
pico Senior Member Join Date: Jul 2006 Posts: 1,388	Without glass, great idea. I will get on that. Coolsun 6" hoods are coming up. As well as the Coolsun XL 8". It might be another day or so for those numbers. I am currently using the coolsuns in a grow and need to take them down for testing. I will test them during the next dark cycle. __________________ 6400w Polystyrene Dream Round 1 .. Round 2 2000w soil grow Finished 4000w soil growFinished 2400w hydroton ebb flowFinished 4000w Coco/Perlite bedsFinished 2400w Coco/Perlite top dripFinished DIY Waterproof Floor DIY PVC SCROG Trellis DIY PVC Dripper Manifold Aircooled Reflector Reviews "Inventing is a combination of brains and materials. The more brains you use, the less materials you need." –Charles F. Kettering
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02-27-2007, 07:43 AM	#17
pico Senior Member Join Date: Jul 2006 Posts: 1,388	Sun Systems Cool Sun 6" Well I tore up my flowering room lighting in the name of science. There are more important things I should be doing, but I must get to the bottom of this. Cool Sun 6" hood At 18 inches. Measured in footcandles. glass : no glass 1. 1140 : 1230 2. 1960 : 2120 3. 2140 : 2340 4. 1200 : 1310 5. 2110 : 2250 6. 4500 : 4650 7. 4930 : 4910 8. 2270 : 2230 9. 1950 : 2040 10. 3980 : 4020 11. 4310 : 4170 12. 1670 : 1880 13. 1160 : 1230 14. 2020 : 2020 15. 2080 : 1980 16. 1160 : 1140 Average with glass: 2411 Average without glass: 2470 2.4% of light is lost with glass. At 21 inches. 1. 1180 2. 1910 3. 2020 4. 1380 5. 1920 6. 3600 7. 3870 8. 2280 9. 1860 10. 3280 11. 3440 12. 2020 13. 1180 14. 1830 15. 1900 16. 1270 Average: 2184 At 24 inches. 1. 1200 2. 1800 3. 1870 4. 1300 5. 1850 6. 3080 7. 3240 8. 2000 9. 1790 10. 2840 11. 2950 12. 1860 13. 1200 14. 1760 15. 1850 16. 1260 Average: 1991 The Cool Sun 6" is a well built reflector. Unlike the ArcticSun and SuperSun, it does not have leaks anywhere in the main body. Like all the others it still needs to be sealed around the glass. It reflects more light than the arcticsun but less than the supersun. I could have guessed this from the inside of each hood, but good to have the numbers. Just a recap of testing so far. These are the averages at 18 inches with each reflector over a 3x3 grid. Measured in footcandles. Arcicsun: 2252 Super Sun 2: 2596 Cool Sun 6": 2411 Cool Sun 6" no glass: 2470 Anyone using any of these supersun 2 reflectors? Deffinately adding 4 of these to my room this week. __________________ 6400w Polystyrene Dream Round 1 .. Round 2 2000w soil grow Finished 4000w soil growFinished 2400w hydroton ebb flowFinished 4000w Coco/Perlite bedsFinished 2400w Coco/Perlite top dripFinished DIY Waterproof Floor DIY PVC SCROG Trellis DIY PVC Dripper Manifold Aircooled Reflector Reviews "Inventing is a combination of brains and materials. The more brains you use, the less materials you need." –Charles F. Kettering
	Quote 1 members found this post helpful.

02-27-2007, 09:18 AM	#18
pico Senior Member Join Date: Jul 2006 Posts: 1,388	Am I presenting the information clearly? Let me know if I need to expain anything. It all makes sense to me but I could be leaving something out. Cool Sun 8" results coming up in just a minute. __________________ 6400w Polystyrene Dream Round 1 .. Round 2 2000w soil grow Finished 4000w soil growFinished 2400w hydroton ebb flowFinished 4000w Coco/Perlite bedsFinished 2400w Coco/Perlite top dripFinished DIY Waterproof Floor DIY PVC SCROG Trellis DIY PVC Dripper Manifold Aircooled Reflector Reviews "Inventing is a combination of brains and materials. The more brains you use, the less materials you need." –Charles F. Kettering
	Quote

02-27-2007, 09:49 AM	#20
pico Senior Member Join Date: Jul 2006 Posts: 1,388	I am working on that right now. I think the hard part was typing all those numbers in to the computer and the calculator. __________________ 6400w Polystyrene Dream Round 1 .. Round 2 2000w soil grow Finished 4000w soil growFinished 2400w hydroton ebb flowFinished 4000w Coco/Perlite bedsFinished 2400w Coco/Perlite top dripFinished DIY Waterproof Floor DIY PVC SCROG Trellis DIY PVC Dripper Manifold Aircooled Reflector Reviews "Inventing is a combination of brains and materials. The more brains you use, the less materials you need." –Charles F. Kettering
	Quote

02-25-2007, 05:38 PM	#11
clowntown Banned Join Date: Oct 2006 Location: Downtown Posts: 3,596	I'm also very impressed with your thorough testing methods. How about a test, with and without glass?
	Quote

02-25-2007, 05:49 PM	#12
Guest Guest Posts: n/a	very cool thread pico. good of ya to take the time time to git sum numbers out there. ya gotta love numbers! i'll be hangin round for the rest.
	Quote

02-25-2007, 08:27 PM	#13
Budweiser13 Bong tokes with Chong Join Date: Apr 2006 Posts: 945	Tagged thanks for doing this pico I have the cool sun 6 inchers...
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02-26-2007, 01:02 AM	#16
Mr.Jiggyfly New Member Join Date: Jan 2007 Posts: 11	Awesome thread man. I too would like to see the results for the cooltube because ive been thinking of replacing mine with a silverstar for a while. I dont like the footprint at all.
	Quote

02-27-2007, 09:35 AM	#19
MTF-Sandman OG Refugee Join Date: Jul 2005 Location: Over yonder... Posts: 2,001	I'm following ya It would be sweet if there was a way to chart the data tho...but I'm sure that'd probably be a PITA.
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