TY - RPRT TI - PERFORMANCE OF AN INLET HAVING A VARIABLE-ANGLE TWO-DIMENSIONAL COMPRESSION SURFACE AND A FIXED-GEOMETRY SUBSONIC DIFFUSER FOR APPLICATION TO REDUCED ENGINE ROTATIVE SPEEDS- MACH NUMBERS 0.66, 1.5, 1.7, AND 2.0 AU - Allen, J. L. PY - 1958 UR - https://ntrs.nasa.gov/citations/19630003996 ID - 19630003996 ER -