Exactly what I thought if anything the harder the landing cooler the breaks as more speed is scrubbed off on impact

@@rcblitzfpv8346 I think they mean as fast landing resulting in a hard landing on the brakes

@@rcblitzfpv8346 ehh not really. the firmness of the landing has no real effect on brake temp. the landing groundspeed does effect brake temp, but landing groundspeed doesn't play a big role in the quality of a landing.

@@andrewbatistoni5779 that's exactly what I said

maybe he meant hard braking.

I hope it did not cause you to misunderstand the storyline

@@martinc.720 nah, but your double negative did.

@@whatweather😂🍻🤣

@@whatweather At which do you most can't the least?

@@whatweather difference between 2 negatives and a double negative.

"When they do destructive testing, things are destroyed" Well, yeah...

They are called brake assemblies. In the old days and on the F-4. The brakes was not as a assembly. You had to physically remove a rotter disk , a stater disk and so on. Back then the rotter was steal plate. Now its carbon. On a Gulfstream to replace just one brake assy cost 120K and a Gulfstream has 4 of them.

@@ximenoworks Thank you. When I first saw one, I wasn't sure what it was. I asked one of the engineers in work-group. He came over and explained it to me. I think they were carbon fiber. I can't remember if brake assembly was before or after destruction test. I walked away thinking how great to have that on my car - LOL.

@@martinc.720 Thanks, yeah brakes get 'cooked' in the destructive test. Also, not uncommon for tires to blowout. New safety systems help protect tires a little bit. Too bad they can't add cooling systems on brakes. Squirting liquid Nitrogen would cool them and not support combustion. But maybe cool too much and cause brakes to fly apart. I'm glad I'm not writing the checks for these destructive tests. When I was at Boeing Everett, they had huge test fixtures to put wings and fuselages under extreme loads. Data captured helped make better and safer planes.

@@SJR_Media_Group We get it, you know stuff. All I did was pointing out that you said “They destroy stuff when they destroy stuff”. I mean…

Where are your videos and correct data, Captain Geardown?

just wanted to write the same. A hard hit on the tire will not overheat it...

Talking shit for masses :)

"Rail"??

when the plane is going 500 mph cooling isnt an issue. some planes dont have landing gear well fairings. others have ways of cooling the tires in flight using cool air. Airbus 321 neos even have brake fans built into the wheels.

ok

No, but they could damage parts of it. The script is not particularly lucid.

Lmao fuck no

The temperature is significantly higher. But, under normal circumstances, the break cooling is more so the plane can take off on time. The temperature has to be below a certain point before takeoff in case of a rejected takoff. Also, after an aborted takoff, it lessons the wait time

jets use carbon brakes. and they use stacked brakes that would look like a 5 layer clutch you might find in a motorcycle, a layer of "rotor, a layer of friction material, alternating. the calipers are 360 degrees around the whole wheel. the surface area of braking per exposure to wind-stream is much less than cars have, especially after landing. its not uncommon for brake temps after one landing to hit 300C to 500C possibly higher in abnormal situations. carbon brakes perform best in the middle of the temp range, on aircraft. unlike steel rotors with ceramic/semimetalic pads, they work better as they get hotter to a point. but after that point they start to lose performance quickly. so before a plane can take off again, after landing the brakes need to cool to a point where they can stop the plane in a rejected takeoff. This is likely the most demanding thing that can occur to aircraft brakes.

Upon landing, they have approx 10,000-50,000 times the amount of energy that needs converting to heat, as opposed to a car at motorway speeds. All of that has to happen in approx 30-50 seconds...

@@andrewbatistoni5779 are you sure hard landings arnt worse for the brakes 😂😂😂

I think the heat is produced because of the stagnancy of the wheels while touching the ground due to friction. If the wheels rotates at least for a while, the heat usually produced may be reduced I think. In order to achieve this effect, the outer wheels may be so designed as if they are designed in a turbine (Fan type)so that the air power may rotate the wheels and therby reduces heat on wheels.

The nitrogen that would be released from the tires via the relief valves wouldn't be able to cool the brakes. There's just not enough gas in the tires to provide any noteworthy cooling effect, even if you could direct the flow of gas directly at the brake stack.

Nitrogen is used in tires because it expands and contracts with temperature change less than air does so the tires stay the same pressure in different temperatures, and nitrogen molecules are large so permeate through rubber less, and also the lack of oxygen prevents oxidation of the rubber inside the tire, it has nothing to do with fire.

Air is also not flammable

Who needs pilots when they have a KZfaq-certified fact checker?

That is "lol" funny because?