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Sixstrings Led Cob Builds

  • Thread starter Thread starter sixstring
  • Start date Start date Nov 12, 2016
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Sixstrings Led Cob Builds

sixstring Nov 12, 2016 1,139 Replies 224,735 Views
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Harley09

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Jul 12, 2017
#421
sixstring said:
Should be plenty.idk why i thought you were running 38v vero instead of the 52v
Click to expand...
I will be growing 6 plants at a time I also will be doing a RDWC for the first time if my plants turn out any thing like yours and H4ppyF4mer I'll be more than pleased.
 
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sixstring

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Jul 17, 2017
#422
just a dab'll do ya :)

Gg4
 
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stonestacker

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Jul 17, 2017
#423
Good morning 6 having a little fun with the Press huh.
 
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sixstring

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Jul 17, 2017
#424
mornin bro,yeah was just a lil press i did for a friend that has been helping me with the drywall.not much work got done after that lol
 
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stonestacker

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#425
I Can Only Imagine
 
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stonestacker

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Jul 17, 2017
#426
Wow you still don't have the new digs done
 
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stonestacker

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Jul 17, 2017
#427
What are you doing fucking around on here better get your ass back to work LOL
 
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sixstring

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Jul 17, 2017
#428
stonestacker said:
Wow you still don't have the new digs done
Click to expand...

stonestacker said:
What are you doing fucking around on here better get your ass back to work LOL
Click to expand...
No im still hanging drywall and have to insulate yet.bro i been a busy mofo with real work,these builders dont let up this year.plus i just took a 120,000.00 job that has to be done by oct 30th or i get fined each day o go over.but its all open and all sandy topsoil so it should go smooth.im bout ready to just hire out the damn drywall except the old lady keeps telling me to do it myself. I guess she's cool with me working 100 hours a week lol.im on the job most times i log in here during daylight.sitting in my truck now watching 2 new guys struggle to push 3/4 loads in the jacksons haha.
 
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Freshone

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Jul 17, 2017
#429
sixstring said:
No im still hanging drywall and have to insulate yet.bro i been a busy mofo with real work,these builders dont let up this year.plus i just took a 120,000.00 job that has to be done by oct 30th or i get fined each day o go over.but its all open and all sandy topsoil so it should go smooth.im bout ready to just hire out the damn drywall except the old lady keeps telling me to do it myself. I guess she's cool with me working 100 hours a week lol.im on the job most times i log in here during daylight.sitting in my truck now watching 2 new guys struggle to push 3/4 loads in the jacksons haha.
Click to expand...
You need to train those newbs up on concrete that way when its just wheelies of dirt they think its easy,lol.
 
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JustMeds

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Jul 20, 2017
#430
Six, how big is that new grow building?
 
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sixstring

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Jul 21, 2017
#431
24 x 32 x 10h
 
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1816 House

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Jul 21, 2017
#432
Windmill and solar panels next, lol.
Or go Republican and put in a coal furnace steam boiler. :fire:
It's the wave of the future, I'm told.

I can't wait to see that place lit up with those COBS.
I looked over your lights, excellent workmanship, you know a pointy screwdriver from a square one!
I'm gathering materials already for an ugly clone... wire, aluminum stock, etc. Wont be till late summer till I get that done.
The driver is the key to the whole thing, quality power supply is worth every penny.
(No homebrew Bridge Rectifier built on a plywood panel, haha)
 
Last edited: Jul 21, 2017
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sixstring

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#433
oh im all about that coal powered cook top :fire:thanks for the ideas :ninja:
 
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JustMeds

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#434
Maybe some day I will have something that nice. How long you been farming?
 
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h4ppyf4rmer

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Jul 21, 2017
#435
1816 House said:
I'm gathering materials already for an ugly clone... wire, aluminum stock, etc. Wont be till late summer till I get that done.
The driver is the key to the whole thing, quality power supply is worth every penny.
(No homebrew Bridge Rectifier built on a plywood panel, haha)
Click to expand...

Meanwell drivers are what everyone seems to use for these builds. I used three HLG-320H - C1400B drivers for mine.
I also used 18 gauge solid wire...
 
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1816 House

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Jul 21, 2017
#436
h4ppyf4rmer said:
Meanwell drivers are what everyone seems to use for these builds. I used three HLG-320H - C1400B drivers for mine.
I also used 18 gauge solid wire...
Click to expand...
I have spools of 16ga THHN, I may just tin the ends but I'll have to look at the mount first.
If not, I have plenty of other wire.
SKU :
HLG-320H-C1400B
Output Voltage (DC) :
114-229V (4-6 X 36V COBs Or ~38-76 X 3V Mono LEDs)
Max Output Current :
1.4A

So, these COBs are being run in series then with VDC being that high, I suppose?
Or the COB's just need a minimal voltage of 36 VDC, and are run in parallel?
Sorry, have't looked at schematics yet.
 
Last edited: Jul 21, 2017
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h4ppyf4rmer

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Jul 21, 2017
#437
1816 House said:
SKU :
HLG-320H-C1400B
Output Voltage (DC) :
114-229V (4-6 X 36V COBs Or ~38-76 X 3V Mono LEDs)
Max Output Current :
1.4A

So, these COBs are being run in series then with VDC being that high, I suppose?
Or the COB's just need a minimal voltage of 36 VDC, and are run in parallel?
Sorry, have't looked at schematics yet.
Click to expand...

I ran mine in series, each driver runs six 36v COBs all at 1.4a. you want to try and maximize the total additive voltages of the COBs to get as close to the maximum voltage rating of the drive. so in my case, the forward voltage of each COB was 36.2v and I ran six in series which would be 217.2. The problem with running them in parallel on a constant current driver is if you lose a COB, the extra current then gets split between the remaining COBs which could cause a cascading failure. I would think you would use a constant voltage version (instead of constant current) of the meanwell driver for a parallel configuration.
 
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1816 House

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#438
Ah, gotcha. Higher voltage runs higher current, so they run at optimal wattage.
Thanks, that saved an hour of reading.

The 1816 House
 
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h4ppyf4rmer

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#439
1816 House said:
Ah, gotcha. Higher voltage runs higher current, so they run at optimal wattage.
Thanks, that saved an hour of reading.
The 1816 House
Click to expand...

well, the HLG-320H-C1400B will give you a constant current of 1400mA(1.4A) as long as the voltage drops add up to the voltage range. With a voltage range of 114-229V for the driver, you couldn't run just one COB, it won't turn on. you need to hit close to the minimum voltage. That's why is says 4 to 6 36v COBs for this particular driver. Three COBs may work, it would be close (3 x 36.2V = 108.6V)

see what you're doing, you're making me steal all of @sixstring thunder };-)
 
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sixstring

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Jul 22, 2017
#440
JustMeds said:
Maybe some day I will have something that nice. How long you been farming?
Click to expand...
outdoor farming since the summer of 1986,indoor for almost 8 years now
h4ppyf4rmer said:
well, the HLG-320H-C1400B will give you a constant current of 1400mA(1.4A) as long as the voltage drops add up to the voltage range. With a voltage range of 114-229V for the driver, you couldn't run just one COB, it won't turn on. you need to hit close to the minimum voltage. That's why is says 4 to 6 36v COBs for this particular driver. Three COBs may work, it would be close (3 x 36.2V = 108.6V)

see what you're doing, you're making me steal all of @sixstring thunder };-)
Click to expand...
no thunder bro,i just pass along info i gathered from growmau5 and greengenes.you can always help out steering the new builders man,your doing a great job. @1816 House im also a fan of meanwell drivers,they are the best.16 ga wire is fine for direct solder to cobs.might be a tough squeeze in the ideal colb holders or even the new veros.but i have not tried anything but 18 ga on my vero builds.
 
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Thread info

Replies 1,139
Views 224,735
Started Nov 12, 2016
Latest post Apr 28, 2021
Starter sixstring
Forum L.E.D Grow Lights

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