Fuel fraction sizing by Sky Sartorius

Finds aircraft gross weight using the fuel fraction sizing method (aircraft, weight, design)

[FF, fracs]=missionfuelburn(varargin)

breguet(type, task, E_R_or_frac, LD, SFC, V, eta_p)

fuelfractionsizing(EWfunc,fixedW,FF,tol,maxW)