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Will the B-52 ever be replaced?
The service plans to order 608 new engines, plus spares and support, from the winner of the B-52 Commercial Engine Replacement Program. It released a solicitation to industry in May 2020 that initially projected a contract award to occur in June 2021. The B-52 is expected to remain in service through 2050.
What engine does the B-52 use?
Pratt & Whitney JT3D
Pratt & Whitney J57
Boeing B-52 Stratofortress/Engine types
How many bombs can a B-52 carry?
The B-52H with a weapons payload of more than 70,000lb is capable of carrying the most diverse range of weapons of any combat aircraft. The nuclear weapons capacity includes 12 AGM-129 advanced cruise missiles (ACMS), 20 AGM-86A air-launched cruise missiles (ALCM) and eight bombs.
Why is B-52 important?
Unlike the B-1 Lancer, a supersonic bomber that first flew in 1974, the B-52 can perform nuclear deterrence missions. They also can accomplish maritime surveillance and sea control over vast areas, laying mines if necessary, with two bombers covering 140,000 square miles of ocean in two hours.
Can a B-52 be retrofitted with 4 engines?
If the B-52 is retrofitted with a 4-engine setup, the rudder will not be capable of maintaining control in asymmetric conditions. A 4‑engine B-52 will require a new rudder. While an 8‑engine retrofit would reduce the risk in this area, it would not eliminate the necessity for testing. The thrust range is the particular concern.
Why do B52 bombers have eight engines instead of four?
Basically because 4 of the original J57 engines did not have sufficient thrust. He later B52 models ( G & H) with TF 33 engines had over twice the thrust (of course the MTOW ALSO increased. Originally Answered: Why do B52 bombers have eight engines instead of 4 more powerful engines?
Are there any plans to replace the B-52?
The Air Force has also considered replacing the B-52’s eight engines with four large turbofans, as is typical on commercial airliners. Engineering challenges made that approach nonviable.
How much does a B 52 bomber cost?
The B-52 costs about $70,000 per flying hour, roughly half that of the B-2—even before it gets more efficient engines. The B-52 “has good bones,” Rand said, noting that the B-52H spent most of its service life on ground alert for nuclear operations, and still has many thousands of hours of airframe life remaining.