I don't know anything about physics, explain to me why we

They do on high end cars

>>17462452
>They often consist of a metal flap that is lowered against the air flow, thus creating drag and reducing dive speed
>drag without downforce
Great idea, Boris.

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But we do.

>>17462460
Like what?
I know that for example slr mclaren has spoiler that works like aerodynamic brake at high speeds, you mean something like that?

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All the normie memecars have active aero

>>17462452
They don't really do much under 100 mph but a few cars have them.

Planes don't have traction on the ground most of the time so airbrakes are the only reliable way to slow down.

Nothing is going to beat a friction brake if your on wheels though.

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>>17462460
Doesn't even have to be all that high end.

>>17462452
Check this out
https://www.youtube.com/watch?v=jOoS6FBoQZM

>>17462784
That was just a concept car.

>>17462862
>in airbrake mode we chose to semi-stall the wing rather than fully stall it like some other manufacturers do. That way it still gives loads of downforce while providing a significant amount of drag to aid braking

I fucking love that car company dude

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>>17462452
Your pic is of a dive brake on a dive bomber, cars tend not to need them.
Pic is an airbrake deployed.

>>17462897
Is there a difference between airbrake and dive brake? Aren't they both made to increase drag to slow you down?

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>>17462904
A dive brake is to stop you going faster, not to slow you down.
Picky I know but cars don't have a not going faster pedal.

>>17462452
>dive breaks
Because you're not divebombing the IJN Center Fleet in your 3k Civic you troglodyte.

So all there is ion terms of aerodynamic brakes on cars are spoilers (on cars that I will never afford)
It's all rgiht I guess, it just doesn't look as cool as those red dive brakes on SBD

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>>17462998
The only place to put them is on the back near the top.
Pretty much every other option for aerodynamic slowing involves a one shot deployment.

>>17462452
>>17462784

The Mitsubishi 3000GT also had some cool features.

https://www.youtube.com/watch?v=xvJLb1s2NNw

https://www.youtube.com/watch?v=Vc8drYXiDys

https://www.youtube.com/watch?v=9c9dxEnYh3Y

dive brakes (that is, a surface specifically designed to slow the vehicle in question significantly or avoid excess increase in speed) isn't necessary for cars because
>most cars aren't going at high enough speeds for airbrakes or dive brakes to do much
>planes are incapable of slowing down in any way other than lowing the throttle or increasing the air resistance, cars have these things creating friction with the ground called tires that are attached to wheels and brakes that can slow down more efficiently in most cases than air resistance
>it's expensive as fuck
active aero exists on modern supercars, but pretty much anything else doesn't even want it let alone need it.

>>17462897
Look! An F-15 off to bomb some Palestinian children throwing rocks! OY vey!

>>17462897
Wtf is that R2D2 riding behind the cockpit?

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>>17462452
On street cars it'd be too wide but on track cars they do

>>17463541
Well fuck me. I did not know that.

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The huayra has this.

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>>17464059
OMG Anon my friends think you're so funny and cool xDDDDDD

>>17462904
Airbrakes are what are used on semi rigs. They air up to release the brakes, then when the air is released by stepping on the pedal, the brakes apply, or if the air line is compromised, the brakes lock up. Like if the trailer was to break loose of the tractor.

>>17463541
That. Is. Awesome

>>17465631
If this is bait then bravo

>>17465605

Your pedantry is wrong. "Airbrakes" is also the term used in aeronautics. Fucking nobody calls airbrakes "dive brakes". It's not 1945 gramps.

>>17465636
No seriously, i've never seen active aero on the front of a car in the nineties.