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Okay, Apple. I know this is going to sound a little crazy, but what if the

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MacBook Air actually moved some air

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around so it didn't thermal throttle after 2 minutes of any kind of work?

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Well, believe it or not, it can. And without even adding any fans, all we

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need is a couple of these. Mindus, I don't use a MacBook. Why should I care?

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And the answer is because anything Apple does, the entire rest of the copycat PC

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industry does like 3/4 later. So, if we can get them to adopt this kind of cool

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stuff, then maybe the rest of us have a chance. There's only a couple parts of

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this operation that might be a bit difficult to perform. Like this

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difficult segue to our sponsor, Ridge. Christmas

11
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is coming up and you know what that means? Buying presents for everyone. But

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Ridge can lessen the impact on your wallet, pun intended, with sales of up

13
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to 30% off. Go grab a fantastic stocking

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stuffer from Ridge down below. For our convenience, Four Systems has sent along

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an example of what this should look like when we're done. Emphasis on the should.

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There's no way mine will be that clean. Let's get started. Step one is to remove

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our back cover with a pentalobe 5 screwdriver. Do you know what you're doing?

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Yeah, mom. It would sure work better.

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Put on a jacket. Oh, wow. That's cool.

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Look at that. It's even still flat. And now that this is removed, the

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modification we'll be making to accommodate our air jets is to remove

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300 microns. 300 microns. Yeah, it's not very much.

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How are we going to Good luck, everybody. What happens if I break it?

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One sec. We have instructions. We have instructions. You were just

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going to let me struggle on my own.

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There's a whole bunch of stuff coming out. These are Apple's wild force

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cancelling speakers. Each of these apparently has three speakers in it.

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They sound really good. Or at least I think they do. We're never going to hear

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them. They are not going back in. Our next step is to remove the ribbon cable

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from the Mag Safe connector and then shimmy out the Mag Safe. How are we

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going to charge the thing? With the USB. With USB. Oh, we have no Mag Safe

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anymore. Did I mention yet that we're going to lose some functionality here?

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Cuz we are. The point of this is not that you can just go buy a For air jet

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at the store and then install it in your MacBook Air. to show how the system

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could be cooled better and fanlessly if

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Apple engineered it in in the first place. So, sorry to disappoint you, but

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it's still going to be really cool. Oh, look at that. I reconnected some things.

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One minor oversight is if you remove MagSafe and the keyboard. Did I mention

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we're not going to be able to use the keyboard? Don't worry about it. The point is we're going to have no way of

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turning the device on and using it. So, we have to enable a feature in macOS

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that allows us to boot it up if we have a USBC charger attached, not Mags safe.

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It's Apple logic. We found the setting. It's allow accessories to connect

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always. It's under privacy and security. Sure. Better to shut it down before we do

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this. Oh, I might have just killed it. You have to shut it down before you

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disconnect the battery sometimes. Yes. Oh, boy. Yeah, it's bending. This is

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making me very nervous. You're sure this is supposed to come up? Yes. Yes.

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I dare you to lick it. Context. What we're looking at right now

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is the power supply. Alex, I will not be licking it. And also the M2 chip with

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its DRAM right next to it, which raises an interesting question. Is this the

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whole cooler for the M2? Guess so.

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No wonder this sucks. Yes, Apple. There was clearly no better way to do this.

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Not even a little vapor chamber. Nothing. It does have a gap here.

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Do they have decent coolers on the latest generation Pros or Wait, we're still waiting for our samples.

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Yeah, when I say samples, I mean samples we bought. Apple doesn't send us stuff.

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It's like they don't like us for some reason. I don't know. We've never done anything

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awful to their computers ever.

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Here's the problem we're having a little think about right now. Our air jets need

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to be installed somewhere where they can draw air in through the filters on the

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top and then expel the air out the back of the system. We're thinking probably

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right around here. The issue is that's where Apple's keyboard and Touch ID

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daughterboard is. So, no keyboard. And Alex is sort of hoping

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that we could Yes. keyboard. It's not looking good. Would also be so

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easy to just move if these were not such fragile, stupid little connectors.

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Packed. Except for right there cuz we didn't pay enough.

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Okay. Hey, see not even ripped mostly a little.

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[laughter] Who needs a keyboard anyway? It's not even mechanical. Now comes the part

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where we drop all pretense of being careful and start cutting things.

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Goodbye audio jack ribbon cable. Oh.

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Oh no. Touch ID. Should have had Face ID.

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Now it's all coming together and you can see what the plan is going to be. We're

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going to have three AirJet minis here, here, and here. We are going to machine

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a little bit of extra space in the chassis so that there's actually room

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for them to intake air. And then we need a controller board for these things.

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Where is that going to go? Oh, that's why we ripped out the Mag Safe so we can

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actually connect this thing to power. We're just going to use a USB cable.

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Y nice. Our goal now is to get power to our air jets, which is done with this

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little board right here. Thing is though, uh, we don't have power going

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into this right yet. Now, you might be thinking that we could just take it off

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somewhere in here, but it's not quite that easy. First of all, uh from the

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battery, this connector is just super duper small. Probing, it's very

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difficult. And when they tried to, uh the whole thing went kablam. Also, you

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might be able to probe over here in sort of the power supply region of the main

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board, but uh they also [music] did that and it blew up again. So, instead, we're

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just going to be using USB power. You just simply pass the little thing

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through right here. Solder it together, making sure that you've already passed

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it through before you do that, and we should be good to go. Sorry, Mr. USB.

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Now, man, that's tight. You need to just

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squish this cable down a tiny bit or it won't go in at all.

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Not too bad. Now we have to attach the drive cables from our power to our air

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jets. This go right in here. For some

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strain relief, we're just going to fold these cables around like so. We got rid

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of the EMI shield, so we're going to be replacing that with more capton tape.

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There we go. Now, we just need to block off the rest of that mag safe hole using

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this tiny 3D printed [music] part. This is very important because we're going to

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be drawing in air from right here. It needs to cool the stuff on the logic

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board, come over and get exhausted over here. If we still have this gap, then

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the air just comes in there and it doesn't do what it needs to do. The next

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thing we have to do is put in this little TPU gasket. This right here just

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prevents recirculation of our hot air. We want all of it going out instead of

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coming on back in. But before we do that, we need to make sure that our air

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jets can go in here nice and tight. Means we need a little bit of vacuum

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lube. that. Boom. I I think I [music] have way too much. [laughter]

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Next thing we'll need is a piece of graphite. This acts as a heat spreader.

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Uh, okay, not a heat spreader, but a spreader of heat to make sure that when

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we have our vapor chamber sitting on top of it, we're not going to get a bunch of

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heat from that through to the keyboard, creating a hot spot. Take that, 5minute

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crafts. Look at how straight that line is. Would you look at that? There's a

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whole system for this and everything. And it's got a little split on the bottom. Nice. Oh, gross. Our t-shirts

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also work great as a cleaning cloth. ltstore.com.

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Ooh. While we're waiting for the next step, these are really cool. They're USB

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PD cables. So, you can see it's labeled 9V 5 amps. That's because if you were to

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plug in a regular cable, it would be limited to 5 vol and I believe.5 amps.

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That's because for USB PD to activate, so the higher amperages, higher

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voltages, there has to be a handshake that goes on. So these special cables

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have the handshake chip inside them. So you just plug them in and then they can

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grab whatever voltage they need for whatever device you want to plug in. In

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this case, their little controller board. Okay, now it's time to cut off

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our antenna. So we make a little

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incision and then we should be able to just peel it off. Very important though

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at this stage that I don't slice myself open. One. And two, that I don't break

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this plastic piece right here. I don't want to break this.

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Come on. O, don't worry. You guys are good. You're good. You're good. It's all good. It's

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all good. The Fore people are here to like show us how to use all this stuff.

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It's their It's their MacBook. I mean, I don't want it. It has no keyboard, no

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Wi-Fi, no Mag Safe. Don't worry, we're going to get to the part where we show

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you guys how if it was integrated from the start, this could be done. My pliers

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are stuck together now. I'm not going to break it. I guarantee it.

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Did I guarantee it or what? Apparently, we need to cut it now. Don't break it.

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Do break it.

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Oh, yeah. Oh, yeah. There we go. Now for

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the really fun part. We're gonna put some double-sided captain tape on our air jets, and I'm going to show you guys

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exactly how we're going to fix the thermals on this thing. The best part of

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these kinds of videos is that I hear from them often enough that I know

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people at Apple watch our channel. So, that means if they don't do anything

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about this, it's cuz they decided they don't care. That reminds me, this is a

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very unusual application for these air jets. Normally, you would use the copper

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spreader at the bottom, and you would put that directly against the dye or the

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chip that you're trying to cool, but in this case, there just isn't enough room

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in this device for that to be possible. So, instead, it's being used as more

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like a crazy [snorts] lowprofile exhaust fan, cuz you wouldn't be able to get a

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traditional fan in here. And there are other advantages besides the thinness.

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These things generate over 1,700 pascals

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of static pressure. So, what that means

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is when you jam them in here, okay, these are little exhaust shrouds. Oh,

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boy. There we go.

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Ah, the intake here is able to draw air

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from tiny little gaps in the chassis over any incidental heat generating

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component like the power delivery or oh, I don't know, the nan flash for your

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storage. Suck it into the filtered intake and then push it out of the

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system. Oh, wait. There's more. Hold on. Okay, let's get the other two installed

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and I can show you guys the other little bit of magic that we've got going on

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here. Ah, yes. A replacement for that

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really excellent heat spreader we had before. You'll notice that our vapor

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chamber here is connected to a heat sink fin stack that is extremely dense. You

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would have no hope of pulling air through that with a conventional fan.

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But with one of these bad boys, you can

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position this right next to these. And we're going to use some little uh some

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little foamy bits to kind of guide our air flow. You can make it so that their

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intake is pulling air through there, saturating that air with heat, and

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throwing it out of the back of the system. That's the sound it makes, by the way. I'm just kidding. It's actually

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very quiet. You'll see later.

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And presto, Chenjo. All the cable management is done. I

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would have done this on camera, but it took a very long time. And also I had

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for help cuz it involved Y cables and like cutting some of the Y cables and we

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had to put these little daughterboard things over here instead of over here

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because otherwise there'd be a bulge on the bottom and we'd hate to have a bulge

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on our MacBook and be like, "Wow, MacBook, what you got in there?"

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Ow.

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Okay, let's get this trackpad reattached.

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Oh, what a weird thing that it won't turn on at all even though it does have

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battery without me plugging in a charger. That was that software setting

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that we enabled so that it would be able to turn on. Please turn on. Ah, yes.

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Good. [laughter] Yeah, it'll take about 3 minutes for it

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to turn on. 3 minutes. Forgot the keyboard doesn't work

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anymore. May not have a working keyboard on my MacBook, but I do have this. Boom.

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Wow. So seamless. This is a stupid phone

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that Reddit made me use. Yes. All right. This is our original

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that we were going to try to machine 30 hundredths of a millimeter off of, but

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then it turned out our equipment wasn't really set up for that. So here's the

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one that Freud did ahead of. Really? That little makes a difference? I can

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barely even catch my fingernail on this.

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Hey, I can hear the air jets going now, though. So, you just need about 400 microns of

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gap. 400th of a millimeter. Right. Right. Right. Right. Right. The

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point of this is not to make room for the air jets. The point of this is to

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make room for the intakes of the air jets. They only need about 400 microns.

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So that's what 4 hundreds of a

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millimeter in order to get enough space

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that the air can go into those filtered intakes. And again, this is because the

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static pressure of these things is so flipping high. All right, let's put this

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on. [music]

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Do we need to take some off of the back cover? Yeah, but it has all the static pressure. It doesn't even need a proper

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outlet. Yeah, but look at look at this. I thought that's the whole point of the

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product. Oh, can't have that gap. Yeah. What is this? A Model Y?

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Wait, how flush is it supposed to be? Yeah. So, that's about right. Yeah,

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we're good. Cool. Nice. I can definitely

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hear the air jets working. Now, before you say it, incense can be perfectly

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manly. It's all in how you light it,

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huh? Woo! No moving parts, guys.

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Pretty cool, huh? So, we are not pulling

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as much from our intake as we might have thought we were. Where the devil are we

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pulling air into this thing then? Where is it drawing air in then? Feel like I'm

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conducting some kind of like uh fortune

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reading the Mac. Yes, your MacBook will not need Apple Care. Don't bother

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spending the extra money on it. It will live a long life. Now, it's time for the

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moment of truth. We ran Cinebench R23 on our three systems. a stock M2 MacBook

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Air, our modified M2 MacBook Air, and an

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M2 MacBook Pro. And in a stunning

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development, they all performed exactly the same. But we expected that. Yes,

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this flimsy piece of metal can allow the

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M2 to run at full performance as long as you only do a short run. But what

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happens if we do a 30 minute test? Never mind your 10-minute timer, Alex. This

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has only been running for 4 minutes and we can already see that our unmodified

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MacBook Air is down to just shy of 17 watts and our modified

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one is just shy of 20. [music]

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And more power means we must be getting more performance. Now what's interesting

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is both of these are running at over 100°. So they're clearly both thermally

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limited in a sense. Processor package proximity is 5° cooler

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on this one. Remember we talked about how these things have super high static

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pressure so they can pull air through little tiny gaps in things. That's a

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huge advantage. We're almost 8 minutes in and we're all the way down to 15.7

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watts here. still holding steady at 20 watts here, which I just realized I

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haven't given you guys an update on the MacBook Pro, is actually higher than the

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MacBook Pro, which is at 19 12. At the

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20 minute mark, we are all the way down to 14 1/2 watts on our unmodified air,

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19 watts on our modified air, and okay,

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20 watts on the MacBook Pro. Okay, so it turns out building cooling into the

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design of the product is a good thing, but there's no reason that something

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like this couldn't be integrated if Apple decided to do it. The control

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board, for example, could be integrated into the motherboard. And the for

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systems team, bless their hearts, even if it's a little bit desperate looking,

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actually calculated the remaining internal volume and even though the

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geometry doesn't work right now, figured out that yes, in fact, you could fit air

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jets in it if you were to uh want to do that. Hint, hint, wink, wink, nudge,

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nudge. Hi, Apple. There's more to the story than just power consumption and

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temperatures of the internal component.

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Okay, that's fine. Let's talk about the exterior [music]

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temperatures. Alex, you got thermal camera running already? Yeah. Stock MacBook Air hotspot 49.

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That's like burn you hot. Burn you over time hot. Let's not

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overblow this. And it's on like three keys. How about our four systems

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modified unit? Mhm. That's still really hot.

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Yeah, but it's like 48 I'd say within margin of error.

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What's interesting though is it has a bit of a different spread pattern to it.

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Way less if it's hot. Like there's only just a tiny little bit right over top of

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where the CPU is. Whereas on the not

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actually cooled one how much of the heat is just soaking into the chassis and

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then eventually dissipating. Yeah.

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Is that something that I would actually notice with my hands though? It is

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noticeable. Not much though.

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As for the MacBook Pro, I mean, it has cooling up. Final render

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done. There it is. 8,191 points, which

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it's actually kind of impressive when you consider how little of its power budget was still available to it because

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of thermal throttling. As for our modified one, 8,611

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points. So, instead of losing 600

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points, we lose only about two. As for

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our Pro, 8690. [music]

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So marginally faster than either machine. In conclusion then, not a practical DIY

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upgrade, but the technology is super cool. The fact that they can build this

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into something so slim [music] that they can move this kind of air with no moving

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parts in the cooler whatsoever just using PZO electrics. [music] I said it

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before and I'll say it again. I am very excited for the future of this

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technology and very excited to tell you about our sponsor, Cson Sonic. They make

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power supplies so great that frankly I'd

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take a bullet for them. That's only slightly hyperbole. I mean, look at the

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00:19:02,559 --> 00:19:09,600
Prime TX1000. Its hybrid fan control system lets you keep your system quiet

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00:19:07,280 --> 00:19:14,400
without creating a real life game of the floor is lava. And it's got an 80 plus

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00:19:12,160 --> 00:19:19,600
platinum rating for supreme power efficiency. RGB frivolous cosmetics.

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00:19:17,520 --> 00:19:23,280
What? Why would CIC add those things when they can put that money toward

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00:19:21,440 --> 00:19:26,880
power? UNLIMITED

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POWER. [screaming] ALSO, IT'S backed by a 12-year warranty.

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And should you need to use that warranty, their customer support is

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excellent. So, if you want a reliable power supply for your next build or even

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an upgrade, start by checking out CIC at the link below. If you guys enjoyed this

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video, you might want to check out the much deeper look we took at this tech at

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Comp Computex 2023, where we even got to completely disassemble an airjet and

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show you guys how the inner workings work, or at least as much as we could

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see it. There's no moving parts, so it's basically magic.