The jet disintegration distance and the Sauter mean diameter of the droplets formed in a spray using variable length-to-diameter (L/d) sharp-edged nozzles are measured. Water is used as the rest liquid, and experiments are conducted with nozzle pressure drops up to 1.4 MPa as in liquid propellant rocket injectors. The results indicate that the azimuthal vorticity generated in the developing flow in the nozzle leads to fine atomization for L/d < 5. For L/d > 20, the turbulence induced in the jet leads to small values of the Sauter mean diameter The formation of a turbulent slug at the exit of the nozzle during the transitional flow leads to a spontaneous disintegration of the waterjet at an L/d of 25. A reduction in the sharpness at the entry to the nozzle leads to the formation of smaller droplets in the spray.