What was better 707 or DC-8?
Inclusive of all variants, Boeing delivered 1,010 707s to its customers. Douglas would only ever deliver just over half that number, with 556 DC-8s. Clearly, in terms of overall popularity, the 707 comes out as the winner.
Are there any DC 7s still flying?
Surviving aircraft No DC-7s are in operation today. A small number survive on display: Epic Flight Academy in New Smyrna Beach, Florida. N4887C is on display at the Delta Flight Museum in Atlanta, Georgia.
Can a Boeing 747 fly supersonic?
Sunday marked the 30th anniversary of an interesting event: a Boeing 747 going supersonic. Reports from 1991 suggest that the aircraft reached a speed of Mach 1.25 while rapidly descending due to a malfunction. While this was never confirmed, this could be the fastest a commercial Queen of the Skies has ever flown.
What was the longest DC-8?
The long-range DC-8-62 followed in April 1967, stretched by 7 ft (2.1 m), could seat up to 189 passengers over 5,200 nmi (9,600 km) with a larger wing for a MTOW up to 350,000 lb (159 t). The DC-8-63 had the long fuselage and the enlarged wing, freighters MTOW reached 355,000 lb (161 t)….Douglas DC-8.
| DC-8 | |
|---|---|
| Number built | 556 |
What was before the Boeing 707?
The initial, 145-foot-long (44 m) 707-120 was powered by Pratt & Whitney JT3C turbojet engines. The shortened long-range 707-138 and the more powerful 707-220 entered service in 1959….
| Boeing 707 | |
|---|---|
| Developed into | Boeing E-3 Sentry Boeing E-6 Mercury Northrop Grumman E-8 Joint STARS |
Who made the dc8?
McDonnell DouglasDouglas Aircraft Company
Douglas DC-8/Manufacturers
Does the 707 have autopilot?
Boeing’s 707 and 720 as well as the E-3 Sentry and KC-135 Stratotanker were originally equipped with the PB-20 autopilot. Once the system has its commands, the PB-20 can maintain an aircraft’s selected heading and stabilize the pitch, yaw, and roll attitude.
Can DC-8s go supersonic?
While DC-8s weren’t designed to go supersonic, the bragging rights of being the first to do so were worth making the attempt. In order to reach Mach 1, the jet had to be in a dive. This meant taking it up to 52,000 feet, which was also a record for altitude. As Edwards tells Air & Space Magazine:
What speed did the Douglas DC8 break the sound barrier?
On August 21, 1961, a Douglas DC-8 broke the sound barrier at Mach 1.012 (660 mph/1,062 km/h) while in a controlled dive through 41,000 feet (12,497 m) and maintained that speed for 16 seconds.
When did the Douglas DC8 Super 61 come out?
Announced in April 1965, the DC-8 Super 61 was stretched by 36.7 ft (11.2 m). From the late 1970s, the Super 70s were re-engined with larger, more efficient CFM56s. In April 1965, Douglas announced belated fuselage stretches for the DC-8 with three new models known as the Super Sixties.
What is the length of a DC8 plane?
The DC-8 was announced in July 1955. Four versions were offered to begin with, all with the same 150-foot-6-inch (45.87 m) long airframe with a 141-foot-1-inch (43.00 m) wingspan, but varying in engines and fuel capacity, and with maximum weights of about 240,000–260,000 lb (109–118 metric tons).