Air flow investigation for location of angle of attack head on a JN4h airplane
Book details
- Title
- Air flow investigation for location of angle of attack head on a JN4h airplane
- Publication year listed
- 1925
- Format
- Public domain eBook
- Reading access
- Free online reader; no registration required
- Source record
- View on Archive.org
About this book
Air flow investigation for location of angle of attack head on a JN4h airplane
Author: Freeman, R
Year: 1925
The technical staff of the NACA at Langley Field, has made a series of free flight tests with a JN4h airplane in order to find the best place for an instrument for measuring the angle of attack. A ''neutral zone'' was found where the air remains either at rest relative to the undisturbed air beyond the influence of the airplane, or is set in motion parallel to the motion of the airplane. This zone is about midway between the two wings and slightly in front of, or at the vertical plane through the leading edges of the wings but the exact position as well as the outlines of the zone varies considerably as the conditions of flight change.
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