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Old 23rd Feb 2021, 22:20
  #208 (permalink)  
DaveReidUK
 
Join Date: Jan 2008
Location: Reading, UK
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Feathers McGraw

"From what I read, this particular PW4000-112 series engine (PW4077?) is the only hollow-bladed version."

All PW4000 series engines with the 112" fan (PW4074 to PW4098) have the hollow blade.
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