Boeing B-47 Stratojet

Boeing B 47 Stratojet
photo: CC0

The Boeing B-47 Stratojet is a long-array, jet- power-driven, six-engine strategic bomber intended to fly at maximum altitudes and at high subsonic speeds, to prevent enemies from intercepting. The mission of this aircraft was to drop nuclear explosives on the Soviet Union. Since this aircraft has engines that convey in husks underneath the swept wing, it is considered as the top innovation after World War II.

Manufacturer:
Boeing
Country:
United States
Manufactured:
1947 to: 1957
ICAO:
B47
Price:
US$1.9 million

Specifications

Avionics:
AN/APG-39, AN/APG-32, AN/APD-4 etc.
Engine:
6x General Electric J47-GE-25
Jet
Power:
7,200 pound-force
Max Cruise Speed:
527 knots
976 Km/h
Approach Speed (Vref):
Travel range:
4,038 Nautical Miles
7,478 Kilometers
Fuel Economy:
Service Ceiling:
40,500 feet
Rate of Climb:
4350 feet / minute
22.10metre / second
Take Off Distance:
2240 metre - 7,348.99 feet
Landing Distance:
Max Take Off Weight:
104,310 Kg
229,962 lbs
Max Landing Weight:
Max Payload:
11,340 Kg
25,000 lbs
Fuel Tank Capacity:
17,000 gallon
64,352 litre
Baggage Volume:
Seats - Economy / General:
3 seats
Seats - Business Class:
Seats - First Class:
Cabin Height:
Cabin Width:
Cabin Length:
Exterior Length:
32.64 metre - 107.09 feet
Tail height:
8.53 metre - 27.99 feet
Fuselage Diameter:
2.8 metre - 9.19 feet
Wing Span / Rotor Diameter:
35.36 metre - 116.01 feet
Wing Tips:
No Winglets
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Description

Development and Production

The development of the Boeing B-47 Stratojet can be traced back to a constraint articulated by the US Army Air Forces. In 1951, this aircraft entered service, and it never saw warfare as a bomber. However, it was a support of Strategic Air Command’s bomber strength from 1950 to 1960. It was also altered to several missions, including electronic intelligence, photo reconnaissance, and climate reconnaissance, continuing in service as a scouting platform until 1969.

Cockpit / Flight Deck

The Boeing B-47 Stratojet was described as highly advanced with a sleek and stunning outcome. The 35-degree swept annexes were shouldered-fixed, with the dual inboard turbojet engines. It also has an outboard engine mounted below the wings squat of the wingtips.

The maximum speed of this aircraft was restricted to 425 knots or 787 kilometers/hour. Its wings were tailored with a Fowler flap set that protracted well behind the wing. Its main purpose is to boost lift at relaxed speeds. This aircraft was designed to carry at least three crews in a coerced forward section, usually a pilot, co-pilot, and a navigator. The navigator doubled as a bombardier, and the co-pilot acted as a tail gunner.

Engines

The first models of the Boeing B-47 Stratojet were built-in with General Electric J35 turbojets. Early plane engines did not produce good thrust at relaxed speeds. This aircraft had provisions for fitting 18 solid-fuel rocket-assisted takeoffs or simply called RATO rocket to assist a profoundly loaded bombers launch. Each of them has 1000 lbs of static thrust.

Versions / Variants

One of the variants of the Boeing B-47 Stratojet is the XB-47. This was a two-prototype and was built as 450-2-2 and 450-1-1 powered by 6 Allison turbojet engines. Another version is called B-47A. These first ten designs were delivered in 1950, and its configuration was close to the original XB-47 models.

Other versions of B-47 includes B-47B, YRB-47B, TB-47B, MB47-B, YDB-47B, WB-47B, YB-47C / RB-47C / B-47Z / B-56, and many more.

Notable Accidents and Incidents

In 1956, four Boeing B-47 Stratojets departed MacDill Air Force Base in Florida. Their first aerial refueling was successfully done. After sliding through the cloud to start their next refueling, the pilot named Hodgin, together with his team, failed to contact the tanker. News claimed that the rescue team didn’t find the aircraft and its personnel.

In 1956, Boeing B-47 Stratojet crashed at RAF Lakenheath, resulting in a serious incident. It killed the crews and caused a near nuclear mishap when the plane hit a stowing igloo with 3 MK-6 nuclear bombs. Even if the bombs involved in the incident did not have their mounted fissile core, they still carried several pounds of dangerous bombs.

All Boeing Aircraft

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