Developer Update : Boeing 757-200 with PW Engines v1.10 by FlightFactor   Route : LPPT (Lisboa) to EGSS (Stansted)   FlightFactor have updated their Boeing 757-200 series to version 1.10, This version includes a new engine version with the Pratt & Whitney PW2037. The different engine variant has small differences from the Rolls Royce (RR) noted as :   - performance and fuel consumption - sound set - EPR instead of IEPR primary parameter for electronic engine control - EICAS differen