DIY Passive cooling with PIN Heatsinks SST120 and SST140

CoB_nUt

CoB_nUt

Well-Known Member
@robincnn, need 5 more sinks. 4 for 3590's and 1 for the 3070s. Most likely i'll get one more of the same for the 3070s that i got from you. Not sure if it has been stated yet as I've inly clicked on recent posts and haven't gone back yet to read, but when will the 140s be available. They were sold out on the site last night when I checked.
 
robincnn

robincnn

Well-Known Member
CoB_nUt said:
@robincnn, need 5 more sinks. 4 for 3590's and 1 for the 3070s. Most likely i'll get one more of the same for the 3070s that i got from you. Not sure if it has been stated yet as I've inly clicked on recent posts and haven't gone back yet to read, but when will the 140s be available. They were sold out on the site last night when I checked.
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140 is out. 2-3 weeks until i get more. You trying to run the 3590 at 1750 or 2100 ?
For the 3070 i have 105mm and 120mm.
I think the 120 mm heatsink you bought was for 3070 and had 2xM4 mounting holes 98mm apart. The new 120 has 4x M3 mounting holes on top 112mm apart and 2x M4 on opposite side of base plate.
 
CoB_nUt

CoB_nUt

Well-Known Member
robincnn said:
140 is out. 2-3 weeks until i get more. You trying to run the 3590 at 1750 or 2100 ?
For the 3070 i have 105mm and 120mm.
I think the 120 mm heatsink you bought was for 3070 and had 2xM4 mounting holes 98mm apart. The new 120 has 4x M3 mounting holes on top 112mm apart and 2x M4 on opposite side of base plate.
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Nah still running the 3590@1400. Yes I bought the original 120 with 2 m4 mounting holes. hmmm. I need to look back the site i suppose. Can't recall but there is another option fir the 3590's correct? Really wanted to try those new khatod lenses and wirth holders.
 
robincnn

robincnn

Well-Known Member
CoB_nUt said:
Nah still running the 3590@1400. Yes I bought the original 120 with 2 m4 mounting holes. hmmm. I need to look back the site i suppose. Can't recall but there is another option fir the 3590's correct? Really wanted to try those new khatod lenses and wirth holders.
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120 come for both 3070 and 3590.
140 are out of stock. I will let you know if i find any hiding anywhere. More coming in 2 weeks. I will update you as soon as i have them.
I wanted to make a 4 cob HLG320 bar with khatod lenses and wirth holders but i just have 1 pcs of 140mm for myself :cry:
 
CoB_nUt

CoB_nUt

Well-Known Member
@robincnn thank you.i wanted to try thise lenses and a bigger driver and wirth holders as you did, I think i'll just wait until you've built yours and copy! For now, I'll settle on the original 1400 4 cob bar. When i get more funds, I'll grab 4 more 3590's to replace the 3070 bar.THATS when ill go big!
 
CoB_nUt

CoB_nUt

Well-Known Member
It's sooo hard trying to not keep up with the jones' all the while being a tech/diy junkie. how do you guys manage when technilogy advances every 3 months? Oh, need a driver for 1 cob either at 50-100 watts. @robincnn I'd like to use one 3070 as a single spot light in my blurple veg tent. What would you suggest good sir?
 
salmonetin

salmonetin

Well-Known Member
COB ...Chip On Board...
LOB ...Leds On Board... the story never ends... new game changer?... :fire:

...some curious pics...



pd...i cant resist... some text too..

In low light levels the process of respiration is dominant and plants consume oxygen.

The process of respiration is independent of light intensity and hence the plot of Reaction Rate of Respiration vs. Light intensity is flat.

As light intensity increases from darkness and photosynthesis begins, there is more production of oxygen and at a particular light intensity level, the amount of oxygen consumed by respiration becomes equal to the amount of oxygen produced by photo-synthesis.

This is called the Compensation Point and past this point where the amount of oxygen produced, exceeds the amount of oxygen consumed, the plant can add to its reserves, grow and reproduce.

Not all plants have the same compensation point and some reach this point at higher intensities than others.

Typically crop plants such as soybean and corn, reach the compensation point at higher intensities.....




...but are in footcandels... now one umols...



...en el verano caliente ...algo fresquito como una leche merengada...mmmm...rico rico...;)


...o unas horchatitas de chufa....


...o unos raspados (esa venezuelaaaa) con diferentes sabores o con frutas...


....opppsss sorry ...this red wine its fantastic... :cool: like her terpenes...


:peace:

Saludos
 
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Airwalker16

Airwalker16

Well-Known Member
@robincnn so I ended up WInning a free light from Ecosunlite with monos and cobs and I'll be using that to solve my mono problem. So I don't think I'll need those sinks anymore. Just wanted to give you a heads up.
 
salmonetin

salmonetin

Well-Known Member
...adura numbers are not a game changer... from my pov...try again...

...but yeah... i like the cooper core...on mcpcbs... for powerfull leds...

...today my offtopic vid...


:peace:

Saludos
 
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robincnn

robincnn

Well-Known Member
CoB_nUt said:
I'd like to use one 3070 as a single spot light in my blurple veg tent.
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I tried single cob for veg.. did not get enough spread for 2x2
May work if you have a small veg space or enough headroom to raise the single cob so that it can spread.

24x24x36 Mini veg tent for herbs
I prefer 2 cobs. Currently i have 4000K 90 CRI from Citizen 1818
DSC_0366.JPG
105 would work fine here. i using 120
DSC_0370.JPG

On the other side. New Vero 29 4000K with Khatods
DSC_0380.JPG

DSC_0372.JPG

DSC_0374.JPG
 
ttystikk

ttystikk

Well-Known Member
robincnn said:
I tried single cob for veg.. did not get enough spread for 2x2
May work if you have a small veg space or enough headroom to raise the single cob so that it can spread.

24x24x36 Mini veg tent for herbs
I prefer 2 cobs. Currently i have 4000K 90 CRI from Citizen 1818
View attachment 3733710
105 would work fine here. i using 120
View attachment 3733711

On the other side. New Vero 29 4000K with Khatods
View attachment 3733714

View attachment 3733712

View attachment 3733713
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Nice herbs!
 
robincnn

robincnn

Well-Known Member
Growmau5 said:
@robincnn its Monday! so technically its "next week" got any update for us on stock of COBs on www.northerngrowlights.com ?
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upload_2016-7-18_15-22-56.png
Johnson Grow Lights was kind enough to share some surplus cobs for a sweet deal. $36 each. Limited stock of 36Volt and 72 volt version. 3500K 80 CRI CD Bin. This is a one time sale only until stock lasts.
https://northerngrowlights.com/collections/all/products/cree-3590-3500k-80-cri-cd-bin

140mm will be in stock soon. Currently 120 and 105mm heatsinks are in stock.
 
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robincnn

robincnn

Well-Known Member
Malocan said:
@robincnn do you will offer in future clu048 in ur shop?
if i wanne buy something in future from you shop, do you would ship to germany?
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CLU058 is available already but none of the heatsinks are pre drilled for it.
CLU048-1812 should ship on 25th and I should have them online by end of the month. Only 3500K spectrum 80 and 90cri. Will stock some holders too.
You should see Germany for checkout. Use contact page to send a request with all details of what you need along with address and I can check is any better shipping pricing is available.
 
tomdankz

tomdankz

Member
sixstring2112

sixstring2112

Well-Known Member
robincnn said:
View attachment 3735504
Johnson Grow Lights was kind enough to share some surplus cobs for a sweet deal. $36 each. Limited stock of 36Volt and 72 volt version. 3500K 80 CRI CD Bin. This is a one time sale only until stock lasts.
https://northerngrowlights.com/collections/all/products/cree-3590-3500k-80-cri-cd-bin

140mm will be in stock soon. Currently 120 and 105mm heatsinks are in stock.
Click to expand...
so these cobs gone already? just tried to grab 10 and it bumped me down to 3 at checkout.
 
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