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Now here's something from the 'Defense Industry Daily' n/l that almost sounds impossible!

"Pratt and Whitney has maintained that they can develop a TF33 upgrade package that will keep Boeing's B-52 bomber flying until the 2040s. The eight engine bomber has kept the same TF33 engine since its induction in 1952, but high fuel consumption had the USAF looking at potential re-engine options. With oil prices dropping dramatically, the program was dropped; but P&W are still looking at improvements for the TF33 that will keep it on-wing, and allow the air force to reduce their maintenance costs."

These planes have been in service so long ('H" models were built about '60-'64) that the authors seem unaware that only the 'H" models had the TF33 turbofan. Earlier models had turbojets. The 'fanjets' gave the 'H' a much greater range than the earlier versions & were more powerful.
Still, I find it amazing that those planes could still be flying past the age of 75 years old!

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