Is the 747 Trijet real?

Is the 747 Trijet real?

The Boeing 747 Trijet would have been significantly shorter than the base 747. It was designed to compete with contemporary widebody tri-jet airliners, namely the Lockheed L1011 and the McDonnell Douglas DC-10.

Are there any 747-300 still flying?

Currently, just five 747-300 aircraft remain in service, located in Belarus, Nigeria and Iran. Mainly, these aircraft operate non-scheduled charter services, including Hajj charter flights to Jeddah and Madinah.

What is the stall speed of a 747?

Now plug in the numbers: Minimum weight for a 747–400 is 254,500 kg , and the same source gives the stall speed in landing configuration at 280 tons with 138 knots or 71 m/s.

Are there still Trijets?

Since 2000, both narrow-body and wide-body trijet production has ceased for almost all commercial aircraft, being replaced by twinjets. As of 2016, the Falcon 7X, 8X, and 900 business jets, all of which use S-ducts, are the only trijets in production.

Are Trijets safe?

Answer:No. Trijets are safe. But modern twin-engine aircraft have such reliable engines that pilots can fly their entire career without experiencing an engine failure. These highly reliable high-thrust engines have reduced the need for additional engines.

How many dc10s are still flying?

There are 59 DC-10 aircraft (designated KC-10) in the United States Air Force currently in existence during military operations. Four DC-10s are distinct from all other DC-10s as they are used as aerial firefighters operated by 10 Tankers to counter forest fires.

Do 747s still fly?

With the full-fleet 747 retirements of Qantas, KLM, and British Airways in 2020, the Boeing 747 is becoming an increasingly rare bird when it comes to passenger operations.

What’s the slowest speed a plane can fly?

Technically this is the so-called ‘stall speed’, where air passes over the wings fast enough to sustain altitude, and for small planes this can be less than 50km/h (31mph).

How Slow Can a 747 fly?

It is around 140–160 kts, depends on the weather, fuel, and balance, cargo, flaps. The slowest speed for a 747 will depend upon which 747 you’re looking at. In any case, the slowest True Air Speed (TAS) for any given airplane will be for the lightest weight at which the airplane can fly.

Will Trijets come back?

Originally Answered: Will Trijet commercial airlines ever make a comeback? Very, very unlikely. There really is no reason for a Tri-jet. The development of the engines, air frames and airfoil design obviates the need for third engine and the increase in fuel, cost, and continuing maintenance.

Why do planes no longer have 3 engines?

The rationale for this was that if one engine failed, there would be enough time to make an emergency landing at the nearest airport using the other remaining engine. Of course, long-distance routes over oceans were impossible for twin-jets under these rules – thus requiring aircraft with more than two engines.

What is a Boeing 747 trijet?

This tri-jet aircraft would have had one engine on either wing, with an additional engine mounted in the tail. This design would have been similar to the narrowbody Boeing 727, although obviously much larger. The Boeing 747 Trijet would have been significantly shorter than the base 747.

Is a Boeing 747 tri-jet coming in 2024?

In 2018, Simple Flying also reported that Boeing was currently working on two new Air Force One B747s for the US Government, for delivery by 2024. A tri-jet version of the Boeing 747 would have had two engines on the wings and one in the tail.

Why did Boeing build a three-engine 747?

Boeing was aiming to create a product that was almost identical to its regular 747 product as far as pilots could tell. Wanting to require minimal training for the conversion to the three-engine variant, Boeing was aiming to maintain the existing handling characteristics.

Does the Boeing 727 have three engines?

However, in the 1960s and 1970s, Boeing was considering constructing a three-engine variant of the type. This tri-jet aircraft would have had one engine on either wing, with an additional engine mounted in the tail. This design would have been similar to the narrowbody Boeing 727, although obviously much larger.