The Aerodynamic Characteristics of Flaps

. ('~-)
(
(~') 0o4C FOWLER FLAP
.... (N.A.C.A. TE.ST5 )
@)
Oe2C
C..--
PLAIN FLAP \,
~ 9: o o~sc
--C-
O.'gC SPLIT FLAP ~. ZAP FLAP
'~---=----~---~ T
FOWLER FLAP ~ /
"N
(~) o.,¢c {R.A.F-. TEST.S) ~"NK,
4-0°
xy < o#,
~" J ~ ' ~ -
WITH FLAP LEADING EDgE ~[.AT
,x~
(c)
O'~E
(~) N.A.C.A. OOUB.E SLOTTED X.I\ ~'~40°
-~..~ FLAP. (O.2G C~ O. IC; ) 6~-- 40(3z- °
SLOTTED FLAP (HANDLEY-PACqE T~'PE,)
~. ,. 2s'/~ *q L i"¢~'~.'-4 .... /
DOUBLE .SLOTTED
(z) ~,A~'~'~'A" ~'°'~:, o.~:~
\\\~I
~
(d) E)'Z~C N.A.C.A. 5 L O ~
0"5= BLACKE~UR N FLAP WITH X'~,
DEFLECTED ~HROu~
• ~.A.~. oo _2.
• ,~:,.~.:\\
(e) o,~: BLACKBURN SLo'r'r~'D ~LAP"~t"
I
FIG. 1.
Illustrations of flaps considered.
(0) O":]'C VENETIAN--BLIND FLAP 2'SL'VoC '~''~='~0