Past work with three-layer models has focused on the vertical structure of the potential vorticity flux, in the horizontally homogeneous case (Held and O'Brien, 1992, J. Atmos. Sci., 49, 1861-1870) as well as in the case of a narrow meridionally-localized baroclinicity (Pavan, 1996, Q. J. R. Meteorol. Soc., 122, 55-72). Pavan also began to explore the sensitivity of momentum-flux convergence to vertical resolution without exploring the behavior of the three-layer momentum fluxes in detail. We focus on the three-layer model, and vary not only the vertical structure, but also investigate the importance of the width of the baroclinic zone. We present results on the sensitivity of eddy momentum flux and associated surface winds to both the meridional and the vertical structure of the equilibrium temperature gradient.