16885J/ESD35J-oct1,2002 Insights from breguet range equation R= TSFC v LIn_to dw empty 3600 TSFC represents propulsion effects. Lower TSFC is better oo D represents aerodynamic eftect. L/D is aerodynamic efficiency a is constant above 36.000 ft M.L important Dm D D Iny 1o represents aircraft weight/structures effect on range empty16.885J/ESD.35J - Oct 1, 2002 Insights from Breguet Range Equation R 3600 TSFCVf LDln WTO Wempty 3600 TSFC represents propulsion effects. Lower TSFC is better Vf LD represents aerodynamic effect. L/D is aerodynamic efficiency Vf LD afMf LD. af is constant above 36,000 ft. Mf LD important ln WTO Wempty represents aircraft weight/structures effect on range