|
gptkbp:instanceOf
|
airfoil series
|
|
gptkbp:appliesTo
|
gptkb:aircraft
general aviation
gliders
model aircraft
|
|
gptkbp:basisFor
|
modern airfoil design
|
|
gptkbp:characterizedBy
|
5-digit code
|
|
gptkbp:codeDescribes
|
thickness
maximum camber
design lift coefficient
location of maximum camber
reflex or non-reflex trailing edge
|
|
gptkbp:codeFirstDigit
|
design lift coefficient (in tenths)
|
|
gptkbp:codeLastTwoDigits
|
maximum thickness (in percent chord)
|
|
gptkbp:codeSecondDigit
|
location of maximum camber (in percent chord/2)
|
|
gptkbp:codeThirdDigit
|
camber type (reflex or not)
|
|
gptkbp:developedBy
|
gptkb:National_Advisory_Committee_for_Aeronautics
|
|
gptkbp:documentedIn
|
gptkb:NACA_Technical_Reports
|
|
gptkbp:form
|
polynomial equations
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
NACA 5-digit airfoils
|
|
gptkbp:introducedIn
|
1930s
|
|
gptkbp:notableExample
|
gptkb:NACA_23009
gptkb:NACA_23012
gptkb:NACA_23112
|
|
gptkbp:predecessor
|
gptkb:NACA_4-digit_airfoils
|
|
gptkbp:successor
|
gptkb:NACA_6-series_airfoils
|
|
gptkbp:usedBy
|
aircraft manufacturers
aerospace engineers
|
|
gptkbp:usedFor
|
better stall characteristics
improved lift characteristics
low drag at design lift
|
|
gptkbp:usedIn
|
gptkb:engineer
aeronautical engineering
|
|
gptkbp:bfsParent
|
gptkb:Eastman_Jacobs
|
|
gptkbp:bfsLayer
|
6
|