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maybe if you have a fan blowing at it?

Here is my review of the B-Spec boards including PAR measurements.

that's a really good idea!

No problem! I've always felt my lights needed active cooling so I just designed these :)

I guess this will just turn into the 3D printed fan shroud thread! Here is a 40mm x 10mm fan shroud for a Heatsinkusa heatsink with the smaller profile pins. as soon as I get my hands on the meatier heatsink, I'll design one for that too! Link to file: https://www.thingiverse.com/thing:4077734

Now being printed in PETG

Thank you!

Hey there! my friend designed a fan shroud for a Slate 2 heatsinks! It will probably work on the bigger ones too if the fin spacing is the same. Here is the link to the file on Thingiverse if anyone has a 3D printer. https://www.thingiverse.com/thing:4063022. Uses standard PC case screws for...

Hey, my friend designed a 120 & 140mm fan shroud for a Slate 2-5 heatsink if any of you have a 3D printer. https://www.thingiverse.com/thing:4063022. I Recommend printing this with PETG

This far. If I calculated everything correct, it should be 300-350 watts. What are some other video ideas? It's really interesting to see that the red chips burnt out first.

I use 18 gauge doorbell wire, it's already in a twisted pair

I just didn't have gloves at the time.

I LOVE THESE THINGS! They are perfect for replacing 36v cobs and they run really cool as well.

Here is my review of the QB144 board!!!

Here's my gerber file I made in Eagle CAD. I designed it in mind for having LM561C (252 of those) and 18 Cree XP-E LED. I just sent off for some @ seeedstudio.com You just gotta surface mount all the parts and slapper in the oven.

thats fuckin siiiiiiiiiiiiick!

oh badass, I was using 4" fence post, that could have something to do with it

watch out, if you get those plants big enough the roots will clog those pipes with ease

These ANC? http://www.nichia.co.jp/en/product/led_product_data.html?type=%27NF2W757G-V2F1%27

Here's 5000K for 30. seems like 48 volt @ 2500 mA http://www.ebay.com/itm/273166881357