First wind tunnel test of a full scale rotor (PCA-2)
Sunday, December 31, 1933
- Full Scale Wind Tunnel, Langley Field, United States of America 
This is a Significant Technology milestone.
Description:
The rotor tested was from a Pitcairn PCA-2 autogiro.
A video of the history of the Langley Full Scale Tunnel can be seen by clicking on this link (courtesy of NASA Langley CRGIS). The rotor test appears at time 1:22 in the video.
Source: Full-Scale Wind-Tunnel Test of a PCA-2 Autogiro Rotor, John B. Wheatley and Manley J. Hood, Langley Memorial Aeronautical Laboratory, October 12 1934
.jpg "PCA-2 owned by King Baird - Photo from Flickr courtesy SDASM Archives (image reduced in size from original) (No known copyright restrictions )")
