Image for NASA Document NASA-TN-D-56. Equipment Used In Investigation. Document Title: An investigation to determine conditions under which downwash from VTOL aircraft will start surface erosion from various types of terrain Figure 2. Equipment Used In Investigation

Image for NASA Document NASA-TN-D-56. Equipment Used In Investigation. Document Title: An investigation to determine conditions under which downwash from VTOL aircraft will start surface erosion from various types of terrain Figure 2. Equipment Used In Investigation

Image for NASA Document NASA-TN-D-56. Equipment Used In Investigation. Document Title: An investigation to determine conditions under which downwash from VTOL aircraft will start surface erosion from various types of terrain Figure 2. Equipment Used In Investigation

Photographer NASA

Location NASA Langley Research Center

Date May 14, 1959

NASA Langley LRC LARC 1959-L-01944 LRC-1959-B701_P-01944