July 14, 201015 yr I am not sure if this topic has been covered previously, I did look but to no avail, so I thought I would try this method.Does the PMDG 737NG for FS2004 simulate the difference between the fuel efficiency of the 737 with winglets or without them? If the answer is no, does anyone know if this will be simulated in the Flight Simulator X version?Derek Burns
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