Comments by "Titanium Rain" (@ChucksSEADnDEAD) on "Linus Tech Tips" channel.

  1. TheGIANTgonads You're just throwing ad hominems, you're literally just shooting the messenger by attacking my credibility rather than the facts. Of course I have seen the central rod. The problem is that, ironically, you're using first year classical mechanics - where you only calculate normal forces and assume there's no shaft deflection (a normal force doesn't prevent bending), and you're only using statics so you're not taking into account load imbalance. I don't know if you've ever heard of this, but turbines from a car's turbo have to be balanced by grinding away mass from the blades or else the weight is going to cause a cyclical load on the axle. Pretty sure those blades are not far enough apart to grind into them. Yeah, the load may be small enough so it doesn't deflect by too much (it will to a certain degree) but it's still an unecessary load on the bearings. Bearing life is extremely important, plastic fans weight so little that the cyclical load won't damage the bearings before you buy a new computer. But shit's gonna droop because no way that it's precisely machined like a car's turbo, or else it would cost more than water cooling. I mean, it's probably going to droop and rub against the "bottom" of the circular channels if placed sideways, leaving most of the contact area populated by minuscule air gaps while only the bottom allows heat transfer. It will lead to uneven wear. And finally, you didn't address the obvious concern, heat flow can only occur with precise mating of the surfaces. That's why we use thermal paste, to eliminate air gaps between the CPU and cooler interface. Air gaps act as a thermal resistance, and if that shit is spinning then obviously there will be gaps between the surfaces. Unless you're trying to tell me they perfectly lapped the mating surfaces so they spin in perfect contact. Sorry, if this shit was so revolutionary we'd have used it in other applications, it's not worth anything so it's peddled to computer enthusiasts with more money than brains who'll fall for every gimmick.
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