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Update:
I had a conversation with Noctua they told me, that four 6mm heatpipes is more than enough. As you can see the LP53 has only two heatpipes an work very well. They said it is better to have more surface what we get if we remove two pipes. So here is my updated design:
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Source: Should I Use Heat Pipes or Vapor Chambers to Cool My Electronics ApplicationHeat pipes are probably a best choice if:
There’s plenty of air flow
You’ve got lots of room for fins
Nominal power densities are <25 w/cm2
Ambient temperatures are normal – let’s call this below 45oC
Cost is a key consideration – every penny counts!
A vapor chamber should be considered if:
Power densities are high – certainly by the time they hit 50 w/cm2
Reducing hot spot across the die is a key concern
Z-direction (height) is constrained, yet fin area needs to be increased
Atypical ambient temperatures and/or low air flow
Performance is a key consideration – every degree counts!
what would you guys think about, rather than creating a taller L9i, creating a shorter NH-L12?
As I mentioned in my email to you guys, I'm actually using an NH-L12 in my small form factor case right now, after having removed both fans and jury-rigged the 120mm fan to be underneath the heatsink. If you want pictures of how this works, I'd be willing to take them for you. If the NH-L12 were shortened by 18mm, that height could mostly come from the heatpipes - at which point, a slim 120mm fan could be placed underneath the fins.
Making an L12 that is less tall is something we tried in the past but we weren't happy with the results. The radius of the heatpipe bendings can influence the performance and it might also create compatibility issues with the mounting parts.
Making it that low makes it also difficult to fit a fan underneath without getting the problem you already noticed, that something is front of the fan and creates unwanted noises, let alone compatibility with VRM coolers and memory modules and a 120mm fan (even a slim one).
It will fit!I doesnßt know if anyone asked this before but will this cooler fit in a Sentry Case with 47mm mx cpu-cooler height ?
Or if not, can you make it possble ?
Have you consider "ionic wind generators" or a Peltier thermoelectric cooler?
IDK if they are real-life-usable for cooling
2.) Thermalright send me the price tag of it here are some numbers so you can see what we are talking about.
- Minimum Order Quantity (MOQ) = 2000 heatsinks
- Tooling fees = $35.000
- Price for the alu version = $50 + $17,50 tooling fees
- Price for the copper version = $85 + $17,50 tooling fees
I made a calculation what will be the lowest price on Kickstarter including fix costs, import, german vat, kickstarter fees, with a profit of only 10€ for each heatsink:
- Alu version: $100
- Copper version: $146
So you see if you let produce from a competitor the price will be bad. With this pricetag the Kickstarter campaign will be a fail, because I have to sell 2000 units.
I think better to try with Scythe or EKL. There are so many other manufacturers, but is your choice.What will be the next steps:
- I asked Thermalright to lower the price and give me the price from every part of the heatsink so I can see why it is so expansive
- Contacting Cryorig or be quiet! maybe they can help me out.
Including it with the case will increase its cost very significantly, and if its not universally compatible, will affect sales of the case.
The problem with 2000 units is this assumes that all units sell. Its so make or break with such a small profit margin.
If dan ends up selling all 2000, maximum profit for the effort is 20,000.
If he sells 1863 units, The earnings is $18,630, but he has to "buy" the remaining units for ($136x137) $18,632. Breaks even at 93% of the available quantity!
If we are less optimistic, say 'only' 1500 units sell, thats 15,000 earnings but a cost of $68,000!
So if dan only sells 1500, he has to cough up $58,000 for his heatsinks!
Or if he only sells 250, thats a cost of $235,500 to dan!
unlike the case, this just isnt going to sell anywhere near 2000 units, especially if it doesnt turn out to perform significantly better than the lp53, less than a third of the price. The only way this can happen is if he gets guaranteed sale of pretty much the MOQ.
As much as I would love to see this happen, there is just wayy too much risk for dan at this stage. Unless as mentioned above, there is minimal cost if the kickstarter doesnt reach moq
Update:
This is a update full of bad news.
1.) Noctua refuse the project because they have no capacity and time for it
2.) Thermalright send me the price tag of it here are some numbers so you can see what we are talking about.
- Minimum Order Quantity (MOQ) = 2000 heatsinks
- Tooling fees = $35.000
- Price for the alu version = $50 + $17,50 tooling fees
- Price for the copper version = $85 + $17,50 tooling fees
I made a calculation what will be the lowest price on Kickstarter including fix costs, import, german vat, kickstarter fees, with a profit of only 10€ for each heatsink:
- Alu version: $100
- Copper version: $146
So you see if you let produce from a competitor the price will be bad. With this pricetag the Kickstarter campaign will be a fail, because I have to sell 2000 units.
What will be the next steps:
- I asked Thermalright to lower the price and give me the price from every part of the heatsink so I can see why it is so expansive
- Contacting Cryorig or be quiet! maybe they can help me out.
But that's the point of KickStarter, no? Set the target at 2,000 units * Cost per Unit. If there aren't enough backers the project fails with no losses. If there are enough backers then he's got the guaranteed level of profit required for his personal motivation.
I would quickly fund this in full copper, but 2000 units seems like it would be impossible to reach - especially when considering that this wouldn't work in other cases like the Node 202 or Sentry.
The denser the fins are, the louder it will be, so I don't think it is so smart to go so dense.
I still think a 150$ price tag is reasonable (if the cooler can handle 95W no problem). I think you should really do some sort of polling or something to get an estimate of how many people would be willing to pay that much.
A Vapor-Chamber is not necessary because of the tiny surface of the CPU plate. Furthermore I have to pay patent license for it if I have it correct in my mind.
Price for the alu version = $50 + $17,50 tooling fees
- I asked Thermalright to lower the price and give me the price from every part of the heatsink so I can see why it is so expansive
It`s a bit different cooler (GTX1080ti is without shroud), but for reference: cooler for ZOTAC GTX580I would also like to know what is the cost of this 1080ti heatsink