What was the fastest Spitfire?
Martindale’s breaking 620 mph (1,000 km/h) in the same aircraft in April 1944. Flight Lieutenant Edward Powles’ 690 mph (1,110 km/h) in Spitfire PR. XIX PS852 during an emergency dive while carrying out spying flights over China on 5 February 1952 is also discounted.
What is the cruising speed of a Spitfire?
| Hurricane | Spitfire | |
|---|---|---|
| Cruising Speed | 238 mph | 243 mph |
| Range | 468 miles | 434 miles |
| Service Ceiling | 35,000 ft. | 43,000 ft. |
| Average Serviceability | 84% | 79% |
Could a Spitfire break the sound barrier?
A Spitfire very nearly broke the sound barrier in 1944. In the 1930s a small number of aero-engineers recognized that the piston-engine and propeller were providing diminishing returns. For the aircraft to go supersonic the whole propeller would have to be travelling through the air much faster than the speed of sound.
What was the fastest fighter plane in WW2?
Messerschmitt Me 163
Does a 747 have 2 floors?
The first full double-deck aircraft was the French Breguet Deux-Ponts, in service from 1953. The first partial double-deck jet airliner was the widebody Boeing 747, in service from 1970, with the top deck smaller than the main deck. Most 747s are passenger jets, and a small percentage are cargo jets with nose doors.
Why do Boeing planes start with 7?
The Boeing 707 is credited with launching the beginning the “Jet Age.” It was decided that all model numbers that either began or ended in a “7” would be reserved for commercial jets.
How old is the Boeing 707?
Pan American World Airways began regular 707 service on October 26, 1958, and it was built until 1979. A quadjet, the 707 has a swept wing with podded engines….
| Boeing 707 | |
|---|---|
| First flight | December 20, 1957 |
| Introduction | October 26, 1958, with Pan American World Airways |
| Status | In limited military and charter service |
What is Boeing’s best selling plane?
The Boeing 737-800 (4,989 aircraft delivered) Of course, Boeing’s best-selling and most produced aircraft has been the Boeing 737.
Will Boeing make a 797?
The Boeing 797 – an aircraft that airline passengers will love – is back on the drawing board despite Boeing’s record 2020 loss. The secret to the economics of the 797, which would sit between the single-aisle 737 and the much larger 787, is new technology. …
Why was 757 discontinued?
Boeing produced more than 900 of the 757-200 model and around 100 of the 757-300 model before the aircraft ceased production in 2004. Boeing ceased production because, at the time, airlines were looking for smaller planes such as the A319/A320 and the B737.