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features a shorter and simpler folding wingtip than was planned for the earlier Boeing 777, which will provide an extra 7 metres (23 ft) of total wingspan in flight, while allowing the airplane to fit inside the same airport gates as the 777-200LR/777-300ER.
808:
122:, the first patent being granted in 1913. The Folder's biplane wings were hinged so that they folded back horizontally alongside the fuselage, usually being held in place by latches projecting sideways from the rear of the
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used a novel approach using a compound angle folding-wing that was unique to
Grumman...It was a successful design that was later used on the F6F Hellcat and TBF Avenger.
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was the first aircraft to feature hydraulic folding wings, allowing the pilot to fold the wings from the cockpit without requiring other sailors to fold them manually.
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Folding surfaces are rare among land-based designs and are used on aircraft that are too tall or too wide to fit inside service hangars. Examples include the
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Patents secured by Short
Brothers including patents nos. 1792/13, 15727/13 and 28610/13, 5290/14, 20537/14 and 9276/15, see Barnes and James, pp. 92, 110
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212:, has been used since World War II on a number of Grumman-designed carrier aircraft, a version of which is still in use in the 21st century on the
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1346:"Wing-Folding Mechanism of the Grumman Wildcat - An American Society of Mechanical Engineers Historic Mechanical Engineering Landmark"
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An example of aircraft using folding wingtips other than stowage/hangar space such as aerodynamics and flight handling was the
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A folding wing has some disadvantages compared to a non-folding wing. It is heavier and has more complex connections for
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Aircraft with ventral fins under the fuselage for stability which had to be folded for takeoff and landing include the
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189:(British). All six are relatively compact designs. Exceptions which are currently in use, as of 2021, include the
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that could be swept between 20° and 68° in flight. For parking, the wings could be "overswept" to 75°.
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decreasing the floor area of the aircraft. Vertical clearance is also limited in aircraft carrier
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was offered with folding wingtips for confined airports, though this was never ordered. The new
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Since the monoplane supplanted the biplane in the late 1930s, virtually all fixed-wing aircraft
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Stratocruiser have foldable rear fins that make them lower for entering hangars. The
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The F4F-4 was the first version of the
Wildcat to feature a Grumman innovation, the
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have additional hinges to fold the wingtips downward, while others such as the
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North
American XB-70 in flight with 65% percent (fully folded) wing position
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1352:. American Society of Mechanical Engineers. May 15, 2006. Archived from
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have been equipped with folding wings. Notable exceptions include the
1425:"Two unknown F-14 Tomcat wing sweep stories to celebrate Top Gun Day"
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59:. The folding allows the aircraft to occupy less space in a confined
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that can be aligned over the fuselage to save space on board ships.
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71:. In order to accommodate for this, some aircraft such as the
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1310:"The Aviation History Online Museum - Grumman F4F Wildcat"
110:, the world's first aircraft manufacturer, developed and
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1284:"DOES THE DOUGLAS TBD-1 DEVASTATOR DESERVE ITS BAD RAP?"
903:
208:
aftwards-folding wing folding system, pioneered on the
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system was common to
Grumman fighters of World War II.
27:Aircraft wing capable of being folded for storage
1537:
63:because the folded wing normally rises over the
55:that operate from the limited deck space of
1154:Italian aircraft carrier Giuseppe Garibaldi
99:could be "overswept" to occupy less space.
1377:"Airplane Origami: How Folding Wings Work"
898:with its wings in the "oversweep" position
1400:
152:
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29:
1458:Civil Aviation Authority of New Zealand
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875:with wings rotated parallel to fuselage
629:, which still uses a form of Grumman's
14:
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1531:The Case for the Folding Wing – Flying
493:S.64 being hoisted aboard the cruiser
1450:"Type Acceptance Report – Boeing 777"
1422:
1307:
904:Folding-wing aircraft on flight decks
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1374:
227:Another Grumman naval aircraft, the
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880:
24:
1314:The Aviation History Online Museum
1282:Tillman, Barrett (31 March 2022).
25:
1562:
1512:
1401:Thomason, Tommy (30 March 2011).
1308:Dwyer, Larry (19 February 2014).
1019:parked on the flight deck of the
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149:between folded and unfolded wings
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1214:
1206:on flight deck. Note the folded
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51:to save space and is typical of
1496:. London: Putnam. p. 560.
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118:ship-borne aircraft like their
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707:
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13:
1:
1492:Barnes C.H. & James D.N.
1375:Dunn, Terry (27 April 2016).
531:North American XB-70 Valkyrie
417:with downward-folded wingtips
315:North American XB-70 Valkyrie
1423:Leone, Dario (13 May 2014).
1204:North American A-5 Vigilante
197:, and the McDonnell Douglas
114:folding wing mechanisms for
7:
1233:
163:designed for shipboard duty
10:
1567:
1494:Shorts Aircraft since 1900
1240:Index of aviation articles
320:
308:Vought XF8U-3 Crusader III
268:and its folding tail. The
250:, and structural systems.
102:
49:design feature of aircraft
1546:Naval aviation technology
1172:Spanish aircraft carrier
266:Boeing B-50 Superfortress
1551:Aircraft wing components
1403:"Grumman Sto-Wing Redux"
1245:
1021:Soviet aircraft carrier
829:Sikorsky CH-124 Sea King
1191:on flight deck elevator
300:Mikoyan-Gurevich MiG-23
220:(AEW) aircraft and its
1118:USS Kearsarge (CVS-33)
430:F/A-18E/F Super Hornet
385:De Havilland Sea Vixen
218:airborne early warning
193:, the Lockheed Martin
158:
150:
131:Douglas TBD Devastator
53:carrier-based aircraft
37:
1526:at Wikimedia Commons
926:USS Bon Homme Richard
210:Grumman F4F-4 Wildcat
204:The Grumman-patented
177:(all USN types); the
156:
144:
33:
1468:on December 19, 2008
1429:The Aviationist Blog
1226:Soviet carrier Minsk
1071:, and Skyraiders on
614:system folded wings.
233:variable-sweep wings
185:(Japanese); and the
97:variable-sweep wings
1208:Vertical stabilizer
1092:Lockheed S-3 Viking
994:on the helideck of
896:Grumman F-14 Tomcat
722:Supermarine Seafire
627:Grumman E-2 Hawkeye
214:Grumman E-2 Hawkeye
147:Grumman F4F Wildcat
73:Supermarine Seafire
1356:on 21 October 2015
1189:Vought F7U Cutlass
998:Admiral Isachenkov
700:Supermarine Walrus
608:Grumman E-1 Tracer
159:
151:
145:Comparison of the
46:wing configuration
38:
1522:Media related to
957:(circa 1959-1960)
500:(horizontal fold)
255:naval helicopters
57:aircraft carriers
35:Douglas Skyraider
16:(Redirected from
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1461:. Archived from
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653:. The patented
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545:Yakovlev Yak-38
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355:folding wingtip
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175:A4D/A-4 Skyhawk
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87:have folding
86:
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81:A-5 Vigilante
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77:Fairey Gannet
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54:
50:
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18:Folding wings
1516:
1493:
1485:Bibliography
1470:. Retrieved
1463:the original
1456:
1444:
1432:. Retrieved
1428:
1418:
1406:. Retrieved
1396:
1384:. Retrieved
1380:
1370:
1358:. Retrieved
1354:the original
1349:
1340:
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1326:
1324:
1317:. Retrieved
1313:
1303:
1291:. Retrieved
1287:
1277:
1268:
1263:
1254:
1173:
1120:, circa 1964
1097:
1074:
1022:
997:
975:
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801:Kamov Ka-226
786:Kamov Ka-52K
773:at MAKS 1997
698:Argentinian
685:Short Seamew
670:Kamov Ka-52K
654:
647:F6F Hellcats
630:
611:
566:Aftward fold
513:Sukhoi Su-33
496:
491:Short Folder
312:
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259:rotor blades
252:
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226:
224:derivative.
205:
203:
183:Yokosuka D4Y
160:
128:
120:Short Folder
106:
69:hangar decks
42:folding wing
41:
39:
1472:December 1,
1133:Indian Navy
1061:Skywarriors
992:Kamov Ka-25
873:V-22 Osprey
708:Double fold
326:Simple fold
292:Boeing 777X
248:aerodynamic
229:F-14 Tomcat
187:Sea Harrier
171:F2A Buffalo
137:Description
93:F-14 Tomcat
1540:Categories
1381:Tested.com
1288:HISTORYNET
976:Kitkun Bay
954:Victorious
948:Skyraiders
940:Sea Venoms
672:stub wings
415:F11F Tiger
306:, and the
280:(classic)
278:Boeing 777
274:Boeing 377
240:electrical
216:shipboard
85:S-3 Viking
1360:April 29,
1293:April 30,
1094:on board
1075:Coral Sea
1057:Crusaders
952:HMS
944:Scimitars
517:MAKS 2007
477:ARMY 2017
285:wide-body
1350:asme.org
1331:Sto-Wing
1327:Sto-Wing
1319:April 2,
1234:See also
1065:Trackers
996:cruiser
655:Sto-Wing
645:Grumman
631:Sto-Wing
612:Sto-Wing
339:Grumman
288:airliner
272:and the
206:Sto-Wing
124:fuselage
112:patented
65:fuselage
1434:4 March
1136:MiG-29K
1069:Tracers
1039:Ka-27PS
651:US Navy
649:of the
633:design.
473:MiG-29K
321:Gallery
282:twinjet
116:biplane
103:History
1500:
1408:30 May
1386:30 May
1329:. The
1269:Flight
1228:, 1980
1222:Yak-38
1101:(2003)
1078:(1963)
1053:Demons
979:(1944)
946:, and
922:VA-196
771:Ka-32S
497:Hermes
304:MiG-27
302:, the
231:, had
173:, and
91:. The
61:hangar
1466:(PDF)
1453:(PDF)
1246:Notes
1023:Minsk
610:with
460:FGA.6
257:have
253:Many
195:F-35B
89:tails
44:is a
1498:ISBN
1474:2008
1436:2019
1410:2019
1388:2019
1362:2017
1321:2016
1295:2022
1271:1956
1096:USS
1073:USS
1015:and
974:USS
918:A-1J
495:HMS
399:F-8H
369:RAF
244:fuel
181:and
83:and
75:and
1224:on
1170:on
1152:on
972:on
950:on
924:on
920:of
515:at
475:at
413:An
95:'s
1542::
1455:.
1427:.
1379:.
1348:.
1323:.
1312:.
1286:.
1090:A
1067:,
1063:,
1059:,
1055:,
942:,
894:A
871:A
310:.
246:,
242:,
201:.
169:,
126:.
40:A
1506:.
1476:.
1438:.
1412:.
1390:.
1364:.
1297:.
1026:.
845:K
788:.
20:)
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