The pneumatic tire or air-filled tire consists of a core filled with airtight sealed pressurized air. Normally, a reinforced steel belted tread or other materials, provides the contact part with the road and seals this inner core.
The tire will remain inflated with all the vehicle's weight resting on it, as the air pressure in the tire is more than atmospheric air pressure. The air pressure inside the tire provides resistance against forces that try to deform the tire. This gives the tire a slight degree of a cushioning effect when the tire hits bumps in the road. If you have ever taken a ride in an old-fashioned carriage which had wooden wheels, you know how huge of a difference a set of pneumatic tires makes.
Pneumatic tires also come with disadvantages. Highly dangerous applications or high-performance situations for instance, these tires can suffer a puncture and this will result in a complete failure. The consequence of a blowout at high speeds can result in a serious car crash. Military planners must take into consideration tires getting blown out by explosion shrapnel or gunfire. A vehicle crew's worst nightmare is becoming trapped in a fire zone due to all of their tires becoming flat. Airless tires obviously don't suffer from these kind of problems and thus, might be more suitable in certain applications.
The pneumatic tire might have problems as well with the variation in tire performance and air pressure. The lower pressure in a tire may increase the traction and the comfort level. This is due to the fact that tires flatten slightly and more tread is touching the road. The air pressure inside of the tire works to maintain the "up and down" stiffness as well as maintain the lateral stiffness of the tire. Hence, reduced air pressure enables the tires' sidewalls to flex. This results in poor handling unfortunately. In an airless tire, the stiffness in those two dimensions is independent.
There are other issues with air pressure. Consumers are notoriously unreliable when it comes to maintaining proper air pressure. Tires that have improper air pressure could result in dangerous situations. It is essential to keep in mind that pneumatic tires are susceptible to temperature changes too, which could be responsible for changing the internal tire pressure. It is very essential to take into account the kind of settings you would be requiring your machine to function in so that you can regularly inspect the tires and keep the machinery as safe as possible.