Statements (25)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
airfoil designation system
|
| gptkbp:appliesTo |
cambered airfoils
symmetric airfoils |
| gptkbp:basisFor |
gptkb:NACA_5-digit_series
gptkb:NACA_6-series NACA airfoil families |
| gptkbp:developedBy |
gptkb:National_Advisory_Committee_for_Aeronautics
|
| gptkbp:example |
gptkb:NACA_2412
|
| gptkbp:firstDigitRepresents |
maximum camber as percentage of chord
|
| https://www.w3.org/2000/01/rdf-schema#label |
NACA 4-digit formula
|
| gptkbp:introducedIn |
1930s
|
| gptkbp:lastTwoDigitsRepresent |
maximum thickness as percentage of chord
|
| gptkbp:secondDigitRepresents |
position of maximum camber in tenths of chord
|
| gptkbp:usedBy |
aerospace engineers
|
| gptkbp:usedFor |
airfoil shape specification
|
| gptkbp:usedIn |
gptkb:engineer
aerodynamic research wind tunnel testing |
| gptkbp:usesDigits |
4
|
| gptkbp:bfsParent |
gptkb:NACA_0006
gptkb:NACA_0008 gptkb:NACA_0009 gptkb:NACA_0012 gptkb:NACA_0015 |
| gptkbp:bfsLayer |
7
|