Introducing CobKits.com - specializing in DIY and Citizen COBs
CobKits
Well-Known Member
well it had a 90 deg angelina... but still....
Olive Drab Green
Well-Known Member
Wow, holy fuck, dude.
Airwalker16
Well-Known Member
Ya you'd need a good 4' I'd think away from the canopy? Closer to 2.5-3' without the angelina?
CobKits
Well-Known Member
engine 100 driver 105 less riu, ~$200
CobKits
Well-Known Member
well thats like a 400 HPS in intensity so 24" should be fine, maybe 18" without the angelina. when i get a chance ill get it off the bench and take same measurements inside a 3x3 tent
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Airwalker16
Well-Known Member
Not for intensity reasons, but for spread.
Evil-Mobo
Well-Known Member
Perfect because that's what I would be putting it in.
CobKits
Well-Known Member
yes which is why a 6500k linear pcb vs a 6500k cob is a fair fight
Rocket Soul
Well-Known Member
So thats like 10 umol/watt with reflector, prob like 7ish without at 12 inches. Fast and dirty calculations give around 800 at 2', around 400 at 3'. Thats very good for 200$ and it sure gets me thinking... Hope to see full cycle spectrums soon.
How do you manage the driver side of things. Heard tha this chip take 2 driver inputs or something like that. Not sure though.
Also what heatsink?
This does look very atractive
CobKits
Well-Known Member
yeah of course the reflector concentrates it, so id reserve any judgement till we can see one or more of these in a tent
youre probably thinking of the dual-channel CLU550 (last generation). the clu058-3618 is just a 100V chip, so any driver capable of 110+V (i.e almost any constant current driver) will run it. i chose the 320h-c2800b to basically match the top end current (2800ma) with the chip/driver wattage (right at 320 W) , a 240h-c2100b is also a good match for single driver/chip @ ~240W
since this chip is 100V as compared to the 50V clu058-1825, the math is easy, any of the single driver/chip combos above will also run 2 of the 1825 engines
the setup i just described is in every way identical to your light engines. youd have to look hard at the cob to see the difference. same package size chip with an assloa of diodes shoved in there (yours is 18x25=450 diodes, this is 36x18=64
CobKits
Well-Known Member
rocket soul- rest assured that those heatsinks are bulletproof as long as that fan is on, like i said running it out to 320W with case temps below 60C... your chip can do that as well albeit at slightly reduced efficiency
max rating of 1825 = 364W
max rating of 3618 = an astonishing 524W, so im literally running it at "only" 60% at 320W
would be a killer candidate for watercooling
max rating of 1825 = 364W
max rating of 3618 = an astonishing 524W, so im literally running it at "only" 60% at 320W
would be a killer candidate for watercooling
Rocket Soul
Well-Known Member
Ok, thanks for all the answers. Need to get my lights thru our kafkaesque customs procedures but if/when all ok we might be shopping for this kinda light, as long as its in a better suited spectrum. Thanks for all the good workyeah of course the reflector concentrates it, so id reserve any judgement till we can see one or more of these in a tent
youre probably thinking of the dual-channel CLU550 (last generation). the clu058-3618 is just a 100V chip, so any driver capable of 110+V (i.e almost any constant current driver) will run it. i chose the 320h-c2800b to basically match the top end current (2800ma) with the chip/driver wattage (right at 320 W) , a 240h-c2100b is also a good match for single driver/chip @ ~240W
since this chip is 100V as compared to the 50V clu058-1825, the math is easy, any of the single driver/chip combos above will also run 2 of the 1825 engines
the setup i just described is in every way identical to your light engines. youd have to look hard at the cob to see the difference. same package size chip with an assloa of diodes shoved in there (yours is 18x25=450 diodes, this is 36x18=64
Rocket Soul
Well-Known Member
I was asking about the heatsink to see if i can source something here, overseas. I have a feeling that it will be a lot easier to bring over a few chips and optics than those meanlooking lights. Man i wish i would have used UPS instead... These company that does the handling with customs for normal post is worse than useless.
Looking forward to see the spread in 3x3' but more interested in how they do in open space rather than tent.
CobKits
Well-Known Member
well have to wait for
https://www.rollitup.org/t/hlg-480.920922/#post-12958737
to drive these 3618s to the tits.
hopefully they give us a 3500 or 4200mA version
in the meantime....
http://www.ebay.com/itm/NEW-AC100-120V-200-240V-to-DC120V-4A-Output-Regulated-Switching-Power-Supply-/182292429613
https://www.rollitup.org/t/hlg-480.920922/#post-12958737
to drive these 3618s to the tits.
hopefully they give us a 3500 or 4200mA version
in the meantime....
http://www.ebay.com/itm/NEW-AC100-120V-200-240V-to-DC120V-4A-Output-Regulated-Switching-Power-Supply-/182292429613
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Walterwhiter
Well-Known Member
Any promo codes?
Walterwhiter
Well-Known Member
Says expired