157:, with the pilot sitting ahead of the upper wing and the gunner sitting behind the rear spar of the upper wing. The fuselage filled the gap between the wings, with the crew's heads level with the upper wing and cutouts in the wing's forward and trailing edges for the pilot and gunner. The pilot was armed with two
148:
did not place an order for the Hippo, it did grant
Sopwith a licence to allow it to build prototypes as a private venture. The Hippo was designed to give the best possible view to the pilot and gunner, which dictated the aircraft's shape. Its
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639:
573:
191:
on the upper wing, reduced wing stagger and an enlarged tailfin. The crude rocking pillar mount for the gunner's Lewis guns was replaced by a more conventional
141:
195:
mounting a single Lewis gun. The rebuilt prototype flew in April 1918, with a second prototype following in June. No further production followed.
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179:
The first prototype Hippo flew on 13 September 1917. When tested, it was found to have sluggish controls and poorer performance than the
1021:
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386:
Some sources suggest that, rather than a rebuilt first prototype, that the Hippo with reduced stagger was a new aircraft.
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which was already in service. Despite these results, which meant that there was little chance of it being built for the
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115.5 mph (185.9 km/h, 100.4 kn) at 10,000 ft (3,000 m)
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designed a two-seat fighter aircraft, the 3F.2 Hippo, possibly to replace the
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40.5 imp gal (48.6 US gal; 184 L)
492:
War Planes of the First World War: Volume Three
Fighters
357:
Aircraft of comparable role, configuration, and era
153:wings had heavy (2 ft 3 in (0.69 m)) negative
1210:
168:on a rocking pillar mount. It was powered by a
524:. Annapolis, USA: Naval Institute Press, 1992.
120:(already in production) being preferred by the
396:
394:
567:
309:13 min 25 s to 10,000 ft (3,000 m)
187:, Sopwith rebuilt the Hippo, with increased
391:
164:, while the observer was provided with two
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560:
426:
424:
505:Green, William, and Swanborough, Gordon.
127:
438:
436:
421:
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555:
176:, chosen as it was not heavily used.
581:
539:. Letchworth, UK: Air Review, 1970.
433:
16:British WW1 biplane fighter aircraft
442:Green and Swanborough 1994, p. 538.
380:
232:38 ft 9 in (11.81 m)
13:
226:24 ft 6 in (7.47 m)
14:
1250:
238:9 ft 4 in (2.84 m)
198:
537:Sopwith-The Man and his Aircraft
303:1,000 ft/min (5.1 m/s)
1172:Special torpedo seaplane Type C
804:Special torpedo seaplane Type C
381:
244:340 sq ft (32 m)
1239:Biplanes with negative stagger
1219:1910s British fighter aircraft
784:Sopwith Pusher Seaplane/S PG N
522:The British Fighter since 1912
463:
454:
445:
412:
403:
116:. It was not successful, the
1:
1022:Circuit of Britain floatplane
779:Circuit of Britain floatplane
509:. New York: Smithmark, 1994.
507:The Complete Book of Fighters
476:
297:17,000 ft (5,200 m)
256:2,590 lb (1,175 kg)
1229:Aircraft first flown in 1917
7:
494:. London: Macdonald, 1969.
351:
276:, 200 hp (150 kW)
250:1,481 lb (672 kg)
132:In the summer of 1917, the
112:with considerable negative
10:
1255:
485:British Aeroplanes 1914–18
206:British Aeroplanes 1914–18
108:. It was a single-engined
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873:
853:
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23:
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134:Sopwith Aviation Company
59:Sopwith Aviation Company
1234:Rotary-engined aircraft
487:. London: Putnam, 1957.
409:Robertson 1970, p. 236.
400:Robertson 1970, p. 228.
211:General characteristics
1077:Hispano-Suiza Triplane
640:Hispano-Suiza Triplane
128:Development and design
144:. While the British
460:Bruce 1969, pp. 5–6.
418:Bruce 1969, pp. 4–5.
162:Vickers machine guns
469:Bruce 1957, p. 621.
430:Mason 1992, p. 123.
363:Bristol F.2 Fighter
181:Bristol F.2 Fighter
138:Sopwith 1½ Strutter
118:Bristol F.2 Fighter
794:Admiralty Type 138
789:Admiralty Type 137
535:Robertson, Bruce.
520:Mason, Francis K.
328:2× forward firing
185:Royal Flying Corps
122:Royal Flying Corps
94:Sopwith 3F.2 Hippo
68:13 September 1917
1206:
1205:
869:
868:
451:Bruce 1969, p. 5.
307:Time to altitude:
90:
89:
1246:
1224:Sopwith aircraft
829:Schneider (1919)
819:Schneider (1914)
799:Admiralty Type C
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295:Service ceiling:
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172:eleven-cylinder
102:fighter aircraft
96:was a prototype
83:
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37:Type of aircraft
34:fighter aircraft
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368:Sopwith Bulldog
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345:in rear cockpit
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106:First World War
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44:National origin
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1198:Thomas Sopwith
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301:Rate of climb:
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289:Maximum speed:
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260:Fuel capacity:
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199:Specifications
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142:French service
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545:0-900435-15-1
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530:1-55750-082-7
527:
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515:0-8317-3939-8
512:
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500:0-356-01490-8
497:
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490:Bruce, J. M.
489:
486:
483:Bruce, J. M.
482:
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275:
274:rotary engine
271:
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254:Gross weight:
252:
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248:Empty weight:
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174:rotary engine
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65:First flight
64:
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55:Manufacturer
54:
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35:
31:
28:
27:
22:
19:
1162:Three-seater
1071:
927:
634:
536:
521:
506:
491:
484:
465:
456:
447:
414:
405:
382:
379:
372:
356:
355:
333:Vickers guns
322:
314:
312:
306:
300:
294:
288:
281:
279:
272:11-cylinder
270:Clerget 11Eb
265:
259:
253:
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241:
235:
229:
223:
217:
210:
208:
203:
202:
178:
159:synchronised
131:
93:
91:
82:Number built
18:
1147:1½ Strutter
1062:Grasshopper
748:1½ Strutter
343:Scarff ring
337:1× .303 in
282:Performance
266:Powerplant:
193:Scarff ring
1213:Categories
1102:Salamander
845:Salamander
477:References
242:Wing area:
170:Clerget 11
166:Lewis guns
76:Prototype
1186:Designers
1082:L.R.T.Tr.
933:3F.2 (II)
767:Seaplanes
645:L.R.T.Tr.
339:Lewis gun
230:Wingspan:
204:Data from
146:Air Board
100:two-seat
32:Two-seat
1167:Triplane
1137:Sociable
1002:Bat-Boat
992:Atlantic
987:Antelope
928:3F.2 (I)
814:Type 860
809:Type 807
774:Bat-Boat
680:Triplane
598:Fighters
585:aircraft
352:See also
315:Armament
189:dihedral
1177:Wallaby
1157:Tadpole
1152:Tabloid
1142:Swallow
1132:Sparrow
1117:Snapper
1107:Scooter
1092:Rainbow
1042:Dolphin
1017:Bulldog
1012:Buffalo
980:By name
753:Tabloid
743:Sparrow
689:Bombers
675:Swallow
660:Snapper
620:Dolphin
610:Bulldog
605:Buffalo
591:By role
583:Sopwith
330:.303 in
236:Height:
224:Length:
155:stagger
151:two-bay
114:stagger
110:biplane
104:of the
98:British
73:Status
1067:Gunbus
1052:Dragon
1037:Cuckoo
1032:Cobham
722:Cuckoo
701:Cobham
630:Gunbus
625:Dragon
543:
528:
513:
498:
24:Hippo
1127:Snipe
1122:Snark
1112:Snail
1097:Rhino
1072:Hippo
1027:Camel
945:2FR.2
706:Rhino
670:Snipe
665:Snark
655:Snail
635:Hippo
615:Camel
376:Notes
323:Guns:
218:Crew:
29:Role
1047:Dove
997:Baby
971:TF.2
966:TF.1
952:FS.1
940:FR.2
923:8F.1
918:7F.1
913:5F.1
908:4F.1
903:2F.1
891:2B.2
824:Baby
738:Baby
541:ISBN
526:ISBN
511:ISBN
496:ISBN
268:1 ×
92:The
1087:Pup
1057:Gnu
1007:Bee
959:T.1
898:F.1
886:B.2
881:B.1
861:Gnu
696:B.1
650:Pup
341:on
220:Two
140:in
1215::
435:^
423:^
393:^
124:.
86:2
575:e
568:t
561:v
547:.
532:.
517:.
502:.
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