high output led strips

nevergoodenuf

nevergoodenuf

Well-Known Member
Sorry I haven't updated, I need to get some new pics up when the lights come on. The root mass isn't what it should be, I just don't have the time or money to make the rockwool work. This summer heat had my water temps all over the place. One day the roots would look great then a few days later they would be brown. I have one last run of rockwool and everything else will be either soil or coco. I just can't, won't buy a chiller. AC, dehumidifier, and a chiller, not happening. I am already cooling more watts from the dehumidifier than lights at the moment. I will be finishing this test in a week, so in 2 weeks I should have some #'s. I know I will have much better results in soil. So far I really think these are a great light with many different uses, from side lighting to a full 12 strip 528 watt ceiling of light:bigjoint:.
 
nevergoodenuf

nevergoodenuf

Well-Known Member
I'm not expecting much. You can see it isn't in good shape and I will be redoing this test with one in soil. I have been busy maximizing space since I have 9' ceilings. more on my room in my other thread.

 
nevergoodenuf

nevergoodenuf

Well-Known Member
Well, it is time to cut her down. I am disappointed in me, not the light, I know it should have been much better. I just can't justify add a cooler to my set up, actually I would need one for each res. Even with my res on concrete is stayed at 74* and hot days went much higher. The roots on the bottom of the cube just isn't as healthy as it should be, BUT it is so sticky and smells soooo good!!!! I also wasn't expecting the canopy to get as big as it did (20"x26"), which means I was less than 13 watts per square foot. So, I now think Redbird leds are a contender. I plan on ordering 10 4 footers soon to get the discount of 10%.

 
SaltyNuts

SaltyNuts

Well-Known Member
thanks for sharing this, I too ran across the Redbird Cardinal strips while online, they look promising. Did you get the ten 4-footers yet?
 
nevergoodenuf

nevergoodenuf

Well-Known Member
@OneHitDone - Check out my room with the Luna, it's in I am very happy with the Luna's at this point. There COBs are easy to work with and they are not fragile. I wouldn't be afraid of throwing these across the room or dropping them, etc.. They are built on an 8th" aluminum plate with large pads to solder on. Holders would be nice, but only for the focus of the light. I think it was @SupraSPL that said that some holders do a great job of focusing stray light, light the Vero 29 holders. I still think running them a 250 watts instead of 320 watts will be the best output. The 4000K 80cri on a 320 watt heat sink is around 40% efficient, not the highest, but this respectable. I switch to the 70cri for the 3000K instead of the 80cri, so both are at around 40% efficacy. I am not looking for ultimate efficiency, but am happy as long as the cost to output is there.
 
FranJan

FranJan

Well-Known Member
Hmm how'd I miss this? Thanks NGE, very cool. And don't beat up on your skills man, those plants look like how most of my plants did under my BS 240, a woefully underpowered light for growing weed really. Even when you started this demo, 155 LpW isn't all that for LEDs of that size. Plus that's 155 in a lab not in a luminaire so you're output was probably lower than you thought. Plus you gotta get LEDs like that in the plants face and maybe the training made too much plant for flowering. In other words, IMHO it may not have been, or just been, your cooler issues. Good thing you didn't grab those LED strips but I wonder what you could of done with 8 or 10 of these?

http://www.ledinside.com/products/2016/2/samsung_launches_new_linear_led_module_for_high_flux_industrial_lighting

Samsung inFlux modules are available in six product types. Each type comes in a different flux range between 1,310lm and 9380lm with a length option, either 280 millimeters (mm) or 560mm, and offers several CCT color variations, including 3000, 3500, 4000 and 5000K. These product alternatives will offer lighting fixture makers more design flexibility in addressing a wide variety of application requirements. Through a combination of different module types, LED fixture manufacturers can vary their lamp flux from 6,000lm to 40,000lm.
 
nevergoodenuf

nevergoodenuf

Well-Known Member
It was the rockwool that gave me the bad results. I was never able to get over .60 grams per watt. As soon as I went back to coco, everything had started to grow way better. If I can find the time I will try to do another test, but that may be a while. The redbirds should still be over 42% efficacy even with system losses. These would be great for a SunCloak knock-off.
 
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