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@SupraSPL - Those Rosewill sinks seem to be a circular contact point. I assume it's not much of an issue if you're putting them in build mocks, correct? I can run 4 3070s on one 185H-C700 and the Z300 fans with no problem, is that safe to assume?

If I use holders, I was just going to use the 3M 5590 thermal pads. That should help make a flat connection, no? I'm not really sure what I'm looking at on that chart, though.

Correct, no walk ways. I'll have space to walk around the entire footprint. I'm thinking of only going 2 wide with 10G pots into a SCROG. I know I could probably get by cutting the canopy to 5x12 if I'm only going two across, and that's something I'm considering as well. I could probably handle...

That's a cool one for a Vero build. Do you need a holder for those?

I didn't come across anything on eBay and the only thing I found on Fasttech was for the XPG lamps. Am I missing something?

If it was for a small rig, I would certainly be considering it. I'm attempting to make this modular so I can attempt to determine the most efficient spread of light, so a smaller and lighter heat sink would make re-configuring the array easier. These are just the things I'm trying to consider...

I'm looking at it like this - It's going to cost me in either dollars, or time. I can make one of them back, and I'll never get the other back. Sometimes, it's worth it for me to spend a few extra dollars to save myself the time. But I like to really examine what goes into it and my skill-set...

That, I can agree with.... But let's look at it like this... My cost on that qty of Cooliance sinks will be less than $15 (the first break is at 24pc.) After buying tapping equipment, and figuring out how to use it, I would require a 100% success rate as a novice in tapping heatsinks on 72...

And in all fairness, a 6x12 isn't all that large bongsmilie

Yeah, once I got into the nitty gritty of the data sheet, I found that the 50-2234C is the right one for the 30 series CXAs. I'm just trying to find the glass lens for these from someone other than Jerry (because he won't sell me just the lens)

I don't have a drill tap. I don't have those tools and experience. How much cheaper could it be to get an untapped sink and do it myself? Unless the sink is $5 or less, I don't see why you're advocating so hard that I use one product over the other? Why do you care if I tap a Heatsink USA vs...

Because I was on their page ordering, and they had a few different ones in the price list for the different CXA models. I wanted to be sure I was getting the right one. Why are we still talking about the holder? This thread is about the lens.

It's a combination of tapping and weight, honestly. I plan on putting these two lamps I am currently building (not this big build) on a mover where I have to stay within a certain weight limit for the motor. And if it came down to tapping holes for 72 chips, or buying pre-tapped, I'm going the...

Ideal just makes the holder, which I was able to secure from Verical. But their support team had no idea what I was talking about when confirming I was selecting the right holder for the CXA 3070, had to get it from the data sheet on the product page. They were even more clueless when it came to...

So, Jerry has told me that he won't sell me just the drivers and lenses unless I buy the chips from him as well. Since I already snagged a few off ebay a while ago, that's not an option. I'm looking for a lens that will fit the Ideal Chip-lok holders, from a supplier other than KingBrite. They...

Well, considering the Arctic 11's seem to be out of stock everywhere I've looked, and weight is a huge considering factor for the small lamp I'm building, I have to consider other options. Not having to tap the sink and having a sink that's designed specifically for a CXA lamp is kind of a turn...

Like I said, I got a quote south of 25 from KB for the 3070s, that was an acceptable figure for me. I'm in contact with the rep for my region, Newquist or something. I'm in MI. He also put me in touch with Steve Cobb, one of the Regional Managers.

That's my main obstacle. Worst case scenario, a small square frame that holds it would be the only thing I can think of. I'm ordering a handful of them to play around with. I'm not sure how the active fan would effect the driver either. The active ones are around $27 while the passive ones are $15.

I guess what I was hoping to glean some insight into other heatsink ideas for large scale. I know I could run just one solid bar and be passive, I was just curious if anyone else might try to make something a bit lighter and more manageable. Like I mention, I like Werm11's design because it...

You're correct, in the sense that there is always more to learn and different things to take into consideration. I just see so many people using Heatsink USA sinks, but I've not really seen too many, or ANY for that matter, using the Cooliance pin style heatsinks. They're lighter, and designed...