Can a 787 break the sound barrier?
Can a 787 break the sound barrier?
It appears that’s a record for the Boeing 787-9 twin jet, which in the past has flown at speeds up to 776 mph. Commercial aircraft ordinarily can’t break the sound barrier, because they’re not designed to handle the sudden increase in drag and other aerodynamic effects associated with those speeds.
Is the 787 Dreamliner grounded?
(Bloomberg) — Boeing Co. grounded eight of its 787 Dreamliner jets for inspection and repair after finding two manufacturing flaws that together could compromise the structural integrity of the aircraft.
Why are planes so loud inside?
Aerodynamic noise arises from the airflow around the aircraft fuselage and control surfaces. This type of noise increases with aircraft speed and also at low altitudes due to the density of the air. Jet-powered aircraft create intense noise from aerodynamics.
How fast does a Boeing 787 travel?
Dreamliner Boeing 787 Specs Table
| Variant | Boeing 787 8 |
|---|---|
| Speeds | |
| Vmo/Mmo Velocity/Mach Max Operating speed | Mach 0.90 (593 mph, 515 knots, 954 km/h at 35,000 ft/10,700 meters) |
| Cruise Speed IAS/Mach | Mach 0.85 (567 mph, 488 knots, 903 km/h at 35,000 ft/10,700 m) |
| Ceiling | 43,000 Feet (13,100 Metres) |
What is the noise inside a plane?
“Bang” From the Belly As the plane begins its final descent, generally around 2,000 feet, a flap under the wing opens and the landing gear drops. This is often accompanied by a bang, which can be loud, but is perfectly fine.
What are the features of the Boeing 787?
An Active Gust Alleviation system, similar to the system that Boeing built for the B-2 bomber, improves ride quality. Boeing, as part of its “Quiet Technology Demonstrator Project”, experimented with several engine noise-reducing technologies for the Boeing 787.
Which is quieter Boeing 777 or Airbus A350?
With the exception of Boeing 777, noise level and aircraft size is negatively correlated. Finally, there is no statistically significant difference between Boeing 787 and Airbus A350, while in general Airbus wide-body aircrafts are quieter than their Boeing counterparts.
What’s the noise level of a new airplane?
The noise level of the 787-900 was surprisingly high for such a new plane and something that I was not expecting. Without doing much research on the subject, I expected the 787 to be very close to the A350 but it compares more noteably to the 777-300ER.
Are there different types of Boeing 787 Dreamliners?
There are three different variations of the Boeing 787 Dreamliner and as of 31 March 2017, all three variants are flying commercially. The Boeing 787-8, 787-9 and 787-10 are described in the Boeing 787 Specs table at the bottom of this page which shows the detailed specifications of each of the types.