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Olive Drab Green

Olive Drab Green

Well-Known Member
Abiqua said:
Olive drab, you would have to been longer than a year or whatever it is to get the statement. You didn't mention a few...

area 51
photonics
Spider style

MY point is that these forums are lame and use to be very open source and you would be taught how to build a light, from math. Now just about all of that is extinguished....case in point, can you, step by step, tell me how to go from raw lumens to PPF to PPFD and digitize a spectrum as well, I do, so that isn't what this is about....again....thanks for commenting, but i still dont find it relevant. :peace:

Fellow vet here too, before you really piss me off.
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Piss you off? If you want to fight, we can fight, but we are only debating concepts here. You don't scare me. You should work on it.

What unit and where? MOS? Rank?
 
Abiqua

Abiqua

Well-Known Member
A samsung diode is a samsung diode. Again not the point. My horse is dead and beaten. Not the point.

Maff.

You keep reiterating the same WRONG point. This has nothing to do with diode to diode comparison. Please bleat elsewhere.

It is about a community that has lost its way, not your rascally pedantics, because you couldn't read earlier.
 
S

Shugglet

Well-Known Member
Thread necromancers are the worst.


This thread can be addressed in two simple points.

It's a public forum.

You are not a moderator.


And if you want to tattle simply p.m. a mod.
 
Olive Drab Green

Olive Drab Green

Well-Known Member
Shugglet said:
Thread necromancers are the worst.


This thread can be addressed in two simple points.

It's a public forum.

You are not a moderator.


And if you want to tattle simply p.m. a mod.
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I don't think anyone wants to tattle or dick-measure. We're all friends, or at least colleagues/participants. I don't mean to start shit with anyone. Just explaining from my particular vantage point. I may or may not be wrong. I don't hate or dislike any of you.
 
B

bakedPotatoe

Active Member
Abiqua said:
Just about every goddamn sponsor in this mofo, two years of stale and counting......then you have every goddamn hanger on. My qb is the best after 1 run, my citizens are better than the rest....etc etc....
In fact, I wouldn't have a problem with all the manufactures banned from posting...They think an open forum is the easiest way to run their business...Fucking hacks I tell yah....

Practice LED Anarchy.
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Man wtf are you my long lost brother......
The biggest issue is there are some small players in here thinking there big...
Which they are very far from it...
You want to talk Chinese crap...EVER diode is made there so if its Chinese crap where are you going to buy them from in the future?
Ive seen things posted on this forum that would make my toes curl under.......
And not a mod in sight has done any thing bout the issue.
And dont even talk about there modding for free.....
The thing i like bout the EB thread is its all bout maths unlike some other threads...
And the amount of dick riding in those other threads is sickening tbh.
And before you even comment back i need a forumla for a strip light for a 4x4 thanks:fire:
 
Abiqua

Abiqua

Well-Known Member
bakedPotatoe said:
And before you even comment back i need a forumla for a strip light for a 4x4 thanks:fire:
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brotha from a different motha


I would run them all at 500ma if I could.

If we go right off the data sheet, the 1120 strips @ 500ma are 162 Lumens/w = 21.7 watts.

162 /321 LER [3k 80CRI bridgelux] = .503 % before losses

.503 x 21.7 = 10.9 PAR watts / Per strip

10.9 x 4.66 umol/j [Bridgelux 80cri 3k] = 50.85 PPF

Start stacking PPF until you hit a certan PPFD you want :peace:
 
B

bakedPotatoe

Active Member
So a ppf on a 400hps is about 650,but would that be need in a led strip light set up because we are not getting as much heat from it?
I know we need to replace that 650,but would there be any wasting of a plants resources in regards to getting rid of heat stress from a hps?
I mean there should be less stress,because we are keeping it cooler and more efficient
In regards to what they really need,not what we think they need..
 
OLD MOTHER SATIVA

OLD MOTHER SATIVA

Well-Known Member
4ft strips spread evenly over 4 x 4 is even coverage

you can lower them down real close to get what PPF[d] you want

if there are fans in the room circulating it takes a lot of the heat away from the unit
 
Yodaweed

Yodaweed

Well-Known Member
VegasWinner said:
For anyone thnat is interested, Vitally at chilledledgrowlights has a lab reports for his G2 board with Samsung diodes, similar to QB's, cree iknd, etc. and a bunch of other lights with all the different diodes used by everyone, tested in a lab environment. here is the link for those interested -> https://chilledgrowlights.com/independent-lab-reports

lab reports separate fact from fiction.
namaste
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Not a flattering report, the spectral graph is really not great for those samsung diodes very spikey and uneven

https://chilledgrowlights.com/independent-lab-reports/gen2-led-grow-light-module-lab-report
 
OneHitDone

OneHitDone

Well-Known Member
bakedPotatoe said:
So a ppf on a 400hps is about 650,but would that be need in a led strip light set up because we are not getting as much heat from it?
I know we need to replace that 650,but would there be any wasting of a plants resources in regards to getting rid of heat stress from a hps?
I mean there should be less stress,because we are keeping it cooler and more efficient
In regards to what they really need,not what we think they need..
Click to expand...
It is not always low stress going from hid to led
IMG_9348.JPG
 
V

VegasWinner

Well-Known Member
Yodaweed said:
Not a flattering report, the spectral graph is really not great for those samsung diodes very spikey and uneven

https://chilledgrowlights.com/independent-lab-reports/gen2-led-grow-light-module-lab-report
Click to expand...
Hmmm it seems to equal the qb and has already tested by the growmau5e with his gen1 engine. I expect his gen2 engine to finish the job. His spectral response is complete and competes against cree cxb at 1050ma producing complete color spectrum. If the Samsung chip does so poorly why is everyone trying to get them? Perhaps some prejudices at work for profits. Interesting I have also tested most and cobs lack color spectrum needed for healthy growth. Science
 
V

VegasWinner

Well-Known Member
You might want to check out his spectral analysis page for more info on the subject since his light performance looks so bad it out performs cobs
 
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