Linked Questions

51
votes
9answers
9k views

Could airliners use a steam or electric powered catapult for take-off?

This would have the obvious benefits: Less runway needed to take-off Fuel savings Faster turn around times for airlines Could this be implemented in busy airports?
18
votes
5answers
5k views

Has there been any attempt to use an underground cable system, a la a cable car, to tow aircraft along taxiways? [duplicate]

I've been looking at some proposals to try to reduce the time that an airliner's main engines are run at idle or near idle when taxiing to and from runways--a situation that uses non-trivial amounts ...
16
votes
3answers
39k views

How does an aircraft taxi?

Does an aircraft use its engines to taxi or is it always pulled by some other vehicle? I have seen a small lorry pulling it sometimes; is it really pulling the huge thing, or does the aircraft use ...
11
votes
6answers
5k views

Is starting a jet engine without ground support possible?

We have had more... than... one question about jet aircraft taxiing about the airport without their jet engines running. Those address several issues such as cost vs savings and regulatory approval. ...
8
votes
2answers
3k views

Why don't large commercial airplanes have electric motors in the wheels? [duplicate]

The cost of jet fuel during taxiing can be a pain. Concorde in particular had very large fuel expenditure for taxiing. So why not put electric motors in at least 2 wheels to drive the plane that way? ...
7
votes
3answers
3k views

Why not tow aircraft instead of single-engine taxi?

To save costs, budget airlines could potentially eliminate the single-engine taxi that is standard. Companies are looking into things like electric motors on the wheels of airliners for taxi, which ...
4
votes
2answers
3k views

How are forces on the landing gear reduced or compensated for at touchdown?

When an aircraft lands with the tires of the landing gear at rest, as soon as the the aircraft touches down, the landing gear experiences a large amount of wheel-spin up forces (because of the static ...
3
votes
5answers
527 views

Why are autonomous vehicles not used at airports for on-ground services?

Autonomous vehicles have been around for over an decade, other industries such as the maritime industry have already been using unmanned vehicles at ports. Curious to know why airports are reluctant ...
0
votes
6answers
2k views

Would a chain strip built in the airport taxiways, help airlines in saving money and time during taxi?

I am referring to the mechanism used in aircraft carriers, which help in catapulting fighter aircraft. What I had in mind is a milder version of the same concept. It would massively save cost, due to ...
0
votes
2answers
3k views

How do plane landing-gear tyres roll before take off? [duplicate]

How do plane tyres roll? Are they equipped with special engines like cars or are they rolling using the plane flying engines? Or can both methods be found with different constructors?