New Induction Grow light

[krazyken]

660-670, 630, 460-470, 420.

So for a Quad Band 660, 630, 460, 420 what would be the best ratio?
4:3:1:1 ?

What would you recommend as a optimum custom model?

Ken
:smokin:

[myblacktypes]

i have been reading up on induction lights for the past month planning my first grow room. my grow area is 2 1/2 w x 8 1/2 h x6 1/4 L I had been planning on using a single 400 watt induction light mland with seperate bulbs for veg and flower. it has been extremely hard to find a store that sells them in the us(and for a reasonable price)or any relevant info on induction lights in use growing our favorite plant...(alibaba express $650-680 400watt light m-land) when i emailed the alibaba seller he responded telling me to purchase from hydroponicshut but they dont have the light listed on their site. now im thinking of going led after looking at stra8outtaweed's grow logs. its solid proof of results which is something that has been extremely hard to find on induction lights.

[squarepush3r]

i have been reading up on induction lights for the past month planning my first grow room. my grow area is 2 1/2 w x 8 1/2 h x6 1/4 L I had been planning on using a single 400 watt induction light mland with seperate bulbs for veg and flower. it has been extremely hard to find a store that sells them in the us(and for a reasonable price)or any relevant info on induction lights in use growing our favorite plant...(alibaba express $650-680 400watt light m-land) when i emailed the alibaba seller he responded telling me to purchase from hydroponicshut but they dont have the light listed on their site. now im thinking of going led after looking at stra8outtaweed's grow logs. its solid proof of results which is something that has been extremely hard to find on induction lights.

did he ever mention a price for his LED's? The company told me they discontinued the 300W model when I inquired about it (the one I was interested in).

[krazyken]

If you want a custom led unit, I can get you a 119 x 3W =357W output in 660,630 and 460nm with my custom ratio.

Here!

[myblacktypes]

did he ever mention a price for his LED's? The company told me they discontinued the 300W model when I inquired about it (the one I was interested in).

yes he does have a price $450 a panel WEX-C150

I wish there was some more good info on induction lights.

[knna]

My job is to design lighting solutions of ANY sort and as acting director of research for a multi-national corporation. That means LED, Induction, HID, Fluorescent, CCFL, even micro-plasma sheet lighting. You probably haven't even heard of the last one.

About 70% of the power that goes into an HID system is lost as heat, with the rest being produced as light. With LED, about 10% of the input power is lost as heat, with the rest producing light.

Sorry to chime in, but I believe you arnt doing right your job. At least about LED research.

The second statement is so far of reality that its hard for me to believe that it comes from someone that have worked with LEDs a minimun time. Way less, on research.

Anyone can do a mistake. But nobody working on the field of advanced lighting and much less on LED lighting can do such an unbeliable and lack of rigour statement

[bigsby]

The second statement is so far of reality that its hard for me to believe that it comes from someone that have worked with LEDs a minimun time. Way less, on research.

Anyone can do a mistake. But nobody working on the field of advanced lighting and much less on LED lighting can do such an unbeliable and lack of rigour statement

Yeah, and? Would you please enlighten by downloading some of your wisdom as to how / why this is wrong? It is well and good to engage in debate on issues of substance but simply stating something is wrong does not make it so. You need to back up your words with something more than "anyone can do a mistake."

[knna]

Yeah, and? Would you please enlighten by downloading some of your wisdom as to how / why this is wrong? It is well and good to engage in debate on issues of substance but simply stating something is wrong does not make it so. You need to back up your words with something more than "anyone can do a mistake."

Please notice my message was directed to other person that says works on LED research and did an statement soooo wrong about something esential that I wont waste my time dispelling it if its not necessary.

I can understand you dont know how efficients are LEDs converting input energy into light. You dont need to know it. You dont need to be aware of the thermal load and design the best way to take it away.

But any person working on that field does. I do.

If the stament was "LEDs converts 50-60% of input energy as light and the remaining 40-50% is released as heat" probably I wouldnt chimed in. Not correct, but it would be possible as a little exageration, or a mistake of somebody talking from memory. Its not the case.

90% energy efficiency is so far in the future that giving arguments about it is unnecessary, at least for anybody that simply had read a little about the topic. You, obviously, had not. And somebody that simply doubts it knows so little about LEDs that probably will refuse any argument I may give, because havent got any knowledge to diferenciate between what is possible and what not.

Anyway, if you think that LEDs are 95% efficient as khyberkitsune said (as 90% system efficiency includes ballast (driver, PS) losses), show me what white LEDs emits 350lm/W. Better yet, show me one that gives half of it.

Or you just can go to any LED datasheet that states output in radiometric units and check it for yourself. Anyway, you wont believe what I say. Posting actual information about the topic for years is nothing, I know

[khyberkitsune]

Oh, are we seriously going to do this? You *REALLY* want to go?

"show me what white LEDs emits 350lm/W. Better yet, show me one that gives half of it."

CREE |Cree Breaks 200 Lumen Per Watt Efficacy Barrier

208 lux/w, more than half of what you requested, and destroying ANY HID. And that's just in the GREEN band where lumens are weighted, that's not including red or blue emissions.

You want me to start explaining how this works, or should I just whip out the patent with my name on it?

The efficiency gain I talk about is TOTALLY dependent upon the crop. For cannabis, you'll never hit 95%, but I can hit it with all sorts of fodder grasses and other vegetative crops. I can grow those WITHOUT LIGHT AT ALL, basically making the system only dependent upon power for the nutrient reservoir and temp control.

As stated above, lumens is measured at 555nm. That's not taking the ENTIRE irradiant flux, which from monochromatic diodes can WELL EXCEED 300 irradiant lux/w. The blue diodes ALONE are doing that, as that's what the Cree white is based from.

I think you should spend 3-4 years on Candlepower and learn, and even then you'd still be 100 years too young to try me. Even the usage of LED for horticulture is so beyond them that they're not qualified to discuss it.

Now pardon me while I finish inventing a 300w single-package diode with totally passive cooling. South Korea LOVES me right now. Seoul Semiconductor is almost falling over themselves with my new diode design.

Maximum theoretical output is ~683 irradiant lumens per watt, FYI. Monochromatic LEDs are EASILY past the halfway mark.

[knna]

Oh, are we seriously going to do this? You *REALLY* want to go?

"show me what white LEDs emits 350lm/W. Better yet, show me one that gives half of it."

CREE |Cree Breaks 200 Lumen Per Watt Efficacy Barrier

208 lux/w, more than half of what you requested, and destroying ANY HID. And that's just in the GREEN band where lumens are weighted, that's not including red or blue emissions.

You want me to start explaining how this works, or should I just whip out the patent with my name on it?

The efficiency gain I talk about is TOTALLY dependent upon the crop. For cannabis, you'll never hit 95%, but I can hit it with all sorts of fodder grasses and other vegetative crops. I can grow those WITHOUT LIGHT AT ALL, basically making the system only dependent upon power for the nutrient reservoir and temp control.

As stated above, lumens is measured at 555nm. That's not taking the ENTIRE irradiant flux, which from monochromatic diodes can WELL EXCEED 300 irradiant lux/w. The blue diodes ALONE are doing that, as that's what the Cree white is based from.

I think you should spend 3-4 years on Candlepower and learn, and even then you'd still be 100 years too young to try me. Even the usage of LED for horticulture is so beyond them that they're not qualified to discuss it.

Now pardon me while I finish inventing a 300w single-package diode with totally passive cooling. South Korea LOVES me right now. Seoul Semiconductor is almost falling over themselves with my new diode design.

Maximum theoretical output is ~683 irradiant lumens per watt, FYI. Monochromatic LEDs are EASILY past the halfway mark.

I just wanted to point out that you dont have a clue about how LEDs works, when you pretend to work on it, more yet, in research.

Your answer confirms completely that you dont know what you talk about. You know so little about the topic that you not realize how do you confirm it each time you write about LEDs.

Lux/W? Do you still pretend to work on lighting desing? I let it as a typo. Just to inform you, lux is a unit of light density refered to the surface being lit, not an unit that measures light emission from the light source.

That figure from Cree report about lab (generally not avalaible comercially until one year later) means a great jump over current efficiencies of white LEDs, in which Cree is the actual leader.

And still with that large improvement, 208 lm/W is below an efficiency of 70%, on best case. Likely its about 64%, that is really great, very good news for everybody interested on LED lighting. But very far from 95%, that is not expected to be reached before 2020, if possible.

LEDs avalaible right now are all way far from that figure. Best bin served by Cree (do you need I explain what is a LED bin?) currently in white is S2, 148-156lm#350mA, for the XP-G, typically running at about 3V at that current, thus a power burned of 1.05W. Still without taking into account efficiency degradation by operating temperature and taking the max possible of the bin, 156lm, its 148 lm/W.

Thtas is on coolwhite, with Luminous Efficacy of Radiation about 300 lm/W, so the energy efficiency of those 14 148lm/W is of 49%. And this is maximun posible, keeping chip temperature at 25ºC. On normal conditions, best XP-G S2 bin is about 45% efficient (45% of input energy emitted as light and the rest released as heat).

For other brands and no top bins (actually, very difficult to find, apart of very expensive), usually efficiencies are about 35% for good LEDs and bins, and below 30% for most used generic ones.

I am member of candlepower forums since many years ago. Please, read a litlle about LEDs before predenting to teach people that is miles away of your knowledge about the topic.

This conversation is like you see someone saying to an audience of people that dont know nothing about indoor growing:

"Ive grown plants indoor for 20 years, Ive used almost any lighting avalaible, grow styles, I know a lot about his."

An later, says, "use 50W of HID on each square meter (11 sq ft) and you will get great results".

Maybe an audience that knows nothing about growing may pass such a wrong statement. But no any experienced grower will remain silent after reading that.

You, after being caught on your ignorance, still pretend to know a lot about the topic, and each time you write about it you only shows your ignorance to anybody minimally educated on the topic you pretend you are an expert.

It is obvious that you dont work on this field. If you do, you are a simple seller, that knows nothing about the technical side of the question.

Stop dreaming about your wonderfull patent that SCC loves so much. You have been caught in your lies, kid. D Are you sure you have the age required to post at this forum?

Continue showing your ignorance if you wish. I just pretend people knows you are not who pretend to be, and that you dont know this topic in deep to pretend to be an authority. Now people that dont know nothing about this at least knows that they must take with a big grain of salt what you write.

Guys, believe what this kid writes at your own risk. You are warned.