Boeing F4B-1 - Wings

Th e following da ta are for st andard atmospheri c c onditions :
C LIMBING F LIGHT
Al tit ud e
Speed Ra te of C limb
in
Feet
MPH
RPM
Time-Mi n. Rate -FPM
0
5,000
10,000
15 ,000
20,000
25,000
Landing spe ed .................... .
Minimum speed at sea level .. .
Endurance at economical speed .......... .
Endurance at full speed ... .............. .
Range at economic al speed .............. .
Rang e at full speed ...................... .
Maximum path angle of climb ........ .. .. ... .
c. As a diving bomber with one 500 lb. bomb:
Weights:
We ight empt y .. . ..
Crew ........ .
Gas ................ .
Oil... ..... .
LE VEL FLIGHT
MPH
RPM
. .... .1935.7 lb.
. 200.0 lb.
. ... . 360.0 lb.
38.0 lb.
Ordnan ce ........ . . .......... .. .................... 694.9 lb.
Equipment .. .... .. ... .......... .. .. .. .
Total we ight loaded
Wing loading ........... . ................ .
Pow er loading ........................... .
.................. ........ 64.6 lb.
........ 3293.2 lb.
. ...................................... 14.47 lb . per sq. ft.
. ..... . ... 7.32 lb . per H.P.
The following data are for standard atmospheri c condition s:
C LIMBING F LIGHT LEVEL FL IGHT
Alt itud e
Speed
R ate of C lim b
in
Feet MPH
RPM
MPH
RPM Ti m e-Min . R ate-F PM
0
5,000
10 ,000
15 ,000
20,000
25,000
Landin g speed .. .. ................ .. .................... ... .... .. . ... .... . .. ......... .... ............ ... .
Minimum spe ed at sea l eve l. ................... .. .. .. .................. ... .. ... ..... ............. ... .......... .
En dura nce at economi ca l speed .. ....... .... ....... .... . ..... .. .. ............................ .. .. ........... .
Enduran ce at full speed .......... ... ............. .... .. . .. . .. . ... ............................. .. .. ............... .
Ran ge at economi ca l speed ..... .. ... .... ............ .. .. . ......... ................... .. ..... . ... .. .... .. .. .. . .. .
Ran ge at full speed .... ........................... .. ... ....... ... .. . ..... ... ... .. .. ... . .. ... .. .. .. .. . ..... .. . .. ... . .... .
Ma x imum p at h angle of climb .. . . ..... ........ ... . .... . .. .. ... . .... . ...... . ..... . .. ............ .
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d. As a diving bomber with ten 30 lb. bombs:
Weights:
Weight empty .......... ... ........ .. .................... .. ...................................... ..1935.7 lb.
Crew .............. ... . ..... . ... ... ............................................ ... ......... . .. . 200.0 lb.
Gas... .. ............ .... ... ............ ..... . ..... . .. . .... .............. .. . .. ... .. ... .. .. .. .... . .. 360.0 lb.
Oil .. . .. ...... .. .. .. .... ............................. .... ..... .. .. .. . . .. ............ ... . ... . . ... . .. 38.0 lb.
Ordnance ......................... ..... ............ ..... .. .......... ..... .. ................. . ....... 548.9 lb.
Equipment ......... . .. . . .. ... .. ... . .... ........ ..... ....... .. ......... .... ....... .. . .. ... .... .. ...... . 64.6 lb.
Total weight loaded ..... ......... . .. ............ .... ........... 3147.2 lb.
Wing loading ............................................ ... ..................................... 13.83 lb. per sq . ft.
Power loading .. ....... .. . ... ... .............................. .. .................... .. ........... .. 6.99 lb. per H.P.
The following data are for standard atmospheric conditions:
CLIMBING FLIGHT
LE VEL FLIGHT
Altitude
S pe ed
R ate of Cli mb
in
Feet
MPH
RPM
MPH
RPM
Tim e- Min.
Rat e- FPM
0
5,000
10,000
15 ,000
20,000
25,000
Landing speed .................. ... ................ ... ........... ..... .. .... .......... .
Minimum speed at sea level.. . .. .. ................ .. . ... .
Endurance at economic al speed ................ .. ..... .
Endurance at full speed .. .. ............... .. .. .... .. .. ....... ..
Range at economical speed ............ ... . .
Range at full speed ...... .. .................... ... ........ .
Maximum path angle of climb ... . .. ......... .
2. DESCRIPTION OF AIRPLANE:
General Dimensions:
Overall span................. . .. . ... . .. .. .... ... ....... ......... .. ... .. .. . ......... ... . ... 30 ft.
Overall length ......................... ... .... .. .. .. ... . ... .. ........... . .. 20 ft . -1 ¾ in.
Overall height ........ ..... .......................................... ..... . .... ... ........... .... . .. ............ 9 ft.-7¾ in.
Height of propeller hub above ground in fl ying position ................... 5 ft.-10 in.
Height of propeller hub above ground at rest ................................... .. 6 ft.-6 in.
Wings:
Airfoil section ......... ... . ... ........... .... ........... ... .... ............ .. ... .. .... ..... .... ............ .. . Boeing 106
Stagger .. . .. . .. ........... ... ........ ... ..... ... ....................... .... ........... ... ......... .. . . .. 32 in.
Gap at center ...................... .. ......... .. ... .... ........... .. .. ... ......... .58½ in.
Total area including ailerons..... .. .... . ................. ...... ................ . ..... 227.5 sq. ft.
Upper Wing:
Span................. ... . .......... .. ..... ... .
. .............................. .. . 30 ft.-0 in.
Chord ........ .. .. ...... . .. .. .... ... .. .. . .... ... ......... .
. ................. ..... .. . 60 in.
Dih edral. ................ ...... ................ .
······· · ······ · "···--······"·· .. ······ ·· .. oo
Ar ea with ailerons ..... .. ....... .. . ..
In c id ence ..
... . ...... . .. . ... . .. .. 121.4 sq. ft.
. .. .................... . ................... oo
Lower Wing:
Span .. ........ ... . ... ........... .. .. .. ........ .. .. ..... ..... ...................... ... . .. .. ... . ... . ..... . .
. ..... 26 f t .-4 in.
. .. 45 in.
Chord .. . ..... ............. . ... ..... .. . . .. ........................... .... .
Dihedral ... ........................... ... ............... .. ... . .. . .. ...... .... ........ .... . ... .. .
.. 20
Area .. ... .. ......................... .... .. .... . .. . .... . ... . .... .. .. ... . .. ... .. . ... . ..... .
Incid ence ......... .. ............................... ... .
. ... .. 86.1 sq . ft
. .. ..... . ............ .. oo
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