The Complexities of Aircraft Wheels

Aircraft tires, unlike the typical car tires, need to withstand an incredibly wide scope of temperatures that go from short 60 degrees Celsius at an elevation of 10,000 meters to very high temperatures when arriving on the ground. It is also important that airplane tires are treated with much more care than your ordinary vehicle tires. Airplane tires are tubeless, have a weight of approximately 12 to 18 bar, and are loaded up with nitrogen rather than simply air. At the point when every one of these factors are assembled, the outcome is that airplane tires should be changed after each 120 to 400 landings depending upon the airplane model and factors (for example, the runway, the climate, and the pilot).

Prior to each flight, an airplane's pilot or copilot needs to complete a preflight check, which incorporates a visual review that everything is working properly. Some important questions to ask: are any of the tires exhausted? Are there any items stuck in the rubber? This is completely essential, as it isn't uncommon for an assessment to uncover that tires should be changed immediately at the terminal.

Another distinction between vehicle tires and airplane tires is something that is viewed as an indication of below average quality in the former yet a marker of top notch designing in the latter, that being retreading. Airplane tires are retreaded multiple times before being supplanted, which is especially significant when one considers the way that the expense of retreading is just a single fourth of the expense of another tire, which is around 1,200 for the arrival gear on a large fly. Strangely enough, in any case, the tire producers are really the equivalent for both airplane and traveler vehicles. There is no contrast among summer and winter tires with regards to airplane tires, which can have a width of up to 50 cm and a measurement of over 1.5 m.

Before dropping with an enormous weight, a Boeing B747 will apply a heap of up to 25 metric tons on its 16 tubeless primary landing gear tires – as it were, a tire load that is one hundred times the heap on a medium-sized traveler vehicle. But, these tires can deal with this at rates of as much as 380 kilometers for every hour without an issue, regardless of whether just for a short second. Currently, many would presumably imagine that the landing is the time when when airplane tires experience the most wear. But the facts demonstrate that a principle arrival gear wheel on a king sized fly will quicken from zero to around 1,100 rpm after contacting down, the subsequent wear will at present fail to measure up to a departure, wherein weight genuinely hunkers down, and to the maneuvering between the arrival and the following departure, which adds up to a normal of 8 km of separation. Likewise, the fundamental wheels on aircrafts are mounted on fixed axles and need to assimilate both spiral and hub powers when turning, which brings about substantial tire distortion that can even bring about breaking on tracks. A critical factor to consider while considering the way that a plane will be climbing to 8,000 km on runways and runways every year!

A Boeing 747-400 tire weighs around 110 kg and has a distance across of 1.24 m. As opposed to vehicle tires, in any case, an airplane tire's track just has three to six circumferential notches, some portion of which is because of the way that tires on an airplane have an unexpected capacity in comparison to tires on vehicles. All the more explicitly, the sidelong scores on vehicle tires help move the vehicle and help with increasing speed, while the circumferential depressions on airplane tires are basically planned to forestall hydroplaning by redirecting water when it is pouring (airplane motors deal with the quickening). In addition, there are two circumferential furrows that are basically reference grooves used to decide the level of tire wear.

At ASAP AOG, owned and operated by ASAP Semiconductor, we can help you find all the unique parts for the aerospace, civil aviation, and defense industries. We’re always available and ready to help you find all the parts and equipment you need, 24/7-365. For a quick and competitive quote, email us at or call us 1-714-705-4780.


January 27, 2021
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