CMX22 cob w/ LEDiL Angelina reflectors. Spacing help for even light dispersion... modeling software?

Akira90 · Jul 2, 2018

Hello,

Does anyone have any suggestions on spacing for CMX22 Cobs for a space of 6ft x10ft? I was considering running them at up to 80W a pop and running 4 rows of 11 cobs for the space. Im limited to 4 rows due to the way the heat sinks are set up. I can control the spacing between the rows and each cob in the row. Any help with spacing would be appreciated. Also, I will be using the LEDiL Angelina reflector that Cobkits.com sells. My goal is to get 900-1000 micro moles with as even coverage and reduced hot spots as possible.

10ft
x x x x x x x x x x x
x x x x x x x x x x x
x x x x x x x x x x x 6ft
x x x x x x x x x x x

HydoDan · Jul 2, 2018

Space them 12" apart both ways.. Gives great coverage..

Akira90 · Jul 2, 2018

HydoDan said:
Space them 12" apart both ways.. Gives great coverage..

I was going to use 11 across and keep the last two at each end closer to each other to even out the lack of overlap on the last cob if that makes sense?

nfhiggs · Jul 2, 2018

7 cobs per row, spaced about 18 inches apart. Space the four rows 18 inches apart as well.

nfhiggs · Jul 2, 2018

Akira90 said:
I was going to use 11 across and keep the last two at each end closer to each other to even out the lack of overlap on the last cob if that makes sense?

No reflective walls?

Akira90 · Jul 2, 2018

nfhiggs said:
No reflective walls?

No as that is where the walkway is.

Akira90 · Jul 2, 2018

nfhiggs said:
7 cobs per row, spaced about 18 inches apart. Space the four rows 18 inches apart as well.

That would mean roughly 600W per 4x4 tray area. I was planning on putting down closer to 940W per 4x4 tray area. Easy to dim down when needed but thought it might be nice to have higher output as I want to start using my CO2 generator in the room also.

nfhiggs · Jul 2, 2018

Akira90 said:
No as that is where the walkway is.

Then yeah, bunch them at the end somewhat and open the spacing some in the center.

nfhiggs · Jul 2, 2018

Akira90 said:
That would mean roughly 600W per 4x4 tray area. I was planning on putting down closer to 940W per 4x4 tray area. Easy to dim down when needed but thought it might be nice to have higher output as I want to start using my CO2 generator in the room also.

Yeah that was just rough estimate spacing them equally based on the four row limitation.

Humple · Jul 2, 2018

Akira90 said:
That would mean roughly 600W per 4x4 tray area. I was planning on putting down closer to 940W per 4x4 tray area. Easy to dim down when needed but thought it might be nice to have higher output as I want to start using my CO2 generator in the room also.

Damn, that's a lot of light! Hope you find you're able to make use of it, but damn... That's a lot of light!

CMX22 cob w/ LEDiL Angelina reflectors. Spacing help for even light dispersion... modeling software?

Akira90

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