Pratt & Whitney’s Bob Saia at ISTAT 2012 by admin | Mar 21, 2012 | Aerospace, Airbus, Boeing, Bombardier, Engines, Mitsubishi, Pratt & Whitney | 2 comments Bob Saia spoke with us about the GTF program, covering the CSeries and MRJ. He also addressed the 777X potential. Please follow and like us: Like this:Like Loading... 2 Comments aeroturbopower on March 21, 2012 at 10:14 am How SFC, weight and drag play into fuel consumption is dependend on the mission. For a large widebody doing a 6000nm flight the weight of the engine plays only a minor role; weight is more important for short haul flights (and aircraft). admin on March 21, 2012 at 12:16 pm Good point Submit a Comment Cancel replyYour email address will not be published.Comment Name Email Website Notify me of follow-up comments by email. Notify me of new posts by email. This site uses Akismet to reduce spam. Learn how your comment data is processed.