29:
257:
174:
119:
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165:
both upper and lower wings. It had a biplane horizontal stabilizer with three rudders, and ailerons on all four wings. No fin was provided for the center rudder. All controls were given generous aerodynamic counterbalances to reduce control forces. The initial six-wheel undercarriage was later modified to four-wheels, and the radiator for the center engine was moved from in front of the pilot to between the engine and the propeller.
164:
400 hp (300 kW) engine in the nose, and were fabricated from laminated wood in the same manner as had been used in prior LWF fuselage designs, with three thin layers of wood laid at an angle to each other and separated with fabric. The four bay biplane wings were fitted with ailerons on
225:
in
September 1923, but it does not appear that this actually occurred. The sole prototype was scrapped in 1923. Two prototypes of the XNBS-2, a scaled-down twin-engine derivative of the Owl, were ordered in 1923, but this order was cancelled before construction began.
160:
It had a center nacelle with room for three crew members suspended on struts between the wings and flanked on either side by similarly braced tail booms. All three fuselages had a
667:
779:
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66:
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100:
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Although built for night air mail service (hence being named Owl), it failed to interest the Post Office.
439:
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28:
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724:
NASA Technical
Memorandum 87611 : Some Comparisons of US and USSR Aircraft Design Developments
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122:
LWF Model H Owl in its later form, with simplified undercarriage and relocated center radiator
177:
LWF model H Owl A.S.64012 showing off its twin booms and biplane tail with triple rudders.
619:
208:
199:
Between 1921 and 1922, the United States Army Air
Service evaluated it as a bomber at
148:
in 1920, but after being rejected for that role, the single prototype was sold to the
905:
880:
262:
200:
186:
385:
2-bladed LWF fixed pitch wood propellers, 9 ft 6 in (2.90 m) diameter
890:
885:
864:
466:
376:
161:
706:. Washington D.C.: Office of Air Force History, U.S. Air Force. pp. 124–126.
207:, however its performance was described as “adequate but not impressive.” General
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39:
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Scaled down twin-engined version. Order for two cancelled and none built.
134:
403:
109 mph (175 km/h; 95 kn) at 6,000 ft (1,800 m)
680:
338:
137:
43:
211:
planned to evaluate the design during the bombing tests to sink the
277:
172:
117:
379:
V-12 water-cooled piston engines, 400 hp (300 kW) each
203:
in
Virginia when it was allocated Army Air Service serial number
532:
752:
730:. Hampton, Virginia 23665: Langley Research Center. p. 5.
152:
for evaluation as a bomber but failed to secure any orders.
315:
106 ft 8 in (32.51 m) (equal span wings)
400:
110 mph (180 km/h, 96 kn) at sea level
873:
787:
461:
Aircraft of comparable role, configuration, and era
652:Manufacturer's Aircraft Association, 1921, p.191
764:
8:
666:Manufacturer's Aircraft Association (1921).
576:
574:
572:
417:1,100 mi (1,800 km, 960 nmi)
582:"L-W-F Model H "OWL" - The Flying Dutchman"
526:
524:
522:
520:
518:
516:
514:
771:
757:
749:
429:10 minutes to 6,000 ft (1,800 m)
675:. Boston: Small, Maynard. p. 191.
510:
733:
620:"1908-1921 USASC-USAAS Serial Numbers"
604:
602:
435:10.4 lb/sq ft (51 kg/m)
411:56 mph (90 km/h, 49 kn)
309:53 ft 9.5 in (16.396 m)
18:
451:400 ft (122 m) fully loaded
7:
721:Spearman, M. Leroy (December 1985).
704:Aviation in the U.S. Army, 1919-1939
334:2,216 sq ft (205.9 m)
238:biplane mailplane/bomber, one built.
917:1920s United States bomber aircraft
444:0.057 hp/lb (0.094 kW/kg)
780:Lowe, Willard & Fowler (L-W-F)
531:Eckland, K.O. (2 September 2008).
328:17 ft 6 in (5.33 m)
322:11 ft 0 in (3.35 m)
14:
557:Ficke, George (14 January 2000).
563:The Early Birds of Aviation, Inc
255:
27:
702:Maurer, Maurer (10 June 2004).
355:21,186 lb (9,610 kg)
349:13,386 lb (6,072 kg)
282:LWF model H Owl 3-view drawing
268:United States Army Air Service
150:United States Army Air Service
101:United States Army Air Service
1:
533:"American airplanes: Lo - Lu"
423:15,000 ft (4,600 m)
362:7,800 lb (3,500 kg)
193:, New York, on 22 May 1920.
927:Aircraft first flown in 1920
274:Specifications (model H Owl)
181:The Owl was first flown by
948:
494:List of Twin-boom aircraft
26:
21:
740:: CS1 maint: location (
643:Maurer, 2004, pp.124-126
669:Aircraft Year Book 1921
369:0.00 m (0 ft)
294:General characteristics
289:Aircraft Year Book 1921
472:Grahame-White Ganymede
283:
178:
156:Design and development
140:designed and built by
123:
16:1920s American biplane
281:
176:
130:was a large American
121:
367:Undercarriage track:
874:Built under licence
608:Spearman, 1985, p.5
586:www.buehlfield.info
169:Operational history
825:F-7 Reconnaissance
624:www.joebaugher.com
284:
179:
124:
97:Primary user
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898:
489:List of Trimotors
477:Thomas-Morse MB-4
427:Time to altitude:
128:L-W-F Model H Owl
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891:Martin/LWF NBS-1
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47:Type of aircraft
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559:"LWF OWL, 1919"
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142:LWF Engineering
107:
67:LWF Engineering
54:National origin
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17:
12:
11:
5:
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618:Baugher, Joe.
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398:Maximum speed:
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209:Billy Mitchell
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58:United States
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881:Curtiss HS-2L
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713:0-912799-38-2
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690:on 2020-01-02
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483:Related lists
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449:Take-off run:
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353:Gross weight:
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187:Mitchel Field
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183:Ernest Harmon
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81:Introduction
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73:First flight
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63:Manufacturer
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886:Douglas DT-2
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815:VH-1 Seagull
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692:. Retrieved
685:the original
668:
660:Bibliography
648:
639:
627:. Retrieved
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589:. Retrieved
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540:. Retrieved
536:
482:
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467:Caproni Ca.5
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409:Stall speed:
408:
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377:Liberty L-12
372:
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360:Useful load:
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162:Liberty L-12
159:
127:
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108:Number built
76:22 May 1920
22:Model H Owl
850:L Butterfly
845:J-2 Twin DH
788:LWF designs
629:12 February
591:12 February
542:12 February
391:Performance
383:Propellers:
373:Powerplant:
320:Wing chord:
235:Model H Owl
191:Long Island
906:Categories
694:2020-03-03
681:B000KIBI6C
500:References
440:Power/mass
332:Wing area:
215:New Jersey
146:mail plane
40:Mail plane
932:Trimotors
830:Mailplane
736:cite book
505:Citations
313:Wingspan:
287:Data from
249:Operators
220:USS
213:USS
132:twin-boom
922:Biplanes
782:aircraft
456:See also
230:Variants
222:Virginia
218:and the
135:trimotor
89:Retired
339:Airfoil
326:Height:
307:Length:
138:biplane
865:XNBS-2
710:
679:
415:Range:
260:
44:bomber
840:H Owl
728:(PDF)
688:(PDF)
673:(PDF)
343:USA 6
303:Three
301:Crew:
241:NBS-2
205:64012
189:, on
185:from
144:as a
92:1923
84:1920
36:Role
860:XT-3
855:MO-1
742:link
708:ISBN
677:ASIN
631:2020
593:2020
544:2020
375:3 Ă—
126:The
810:V-3
805:V-2
800:V-1
908::
738:}}
734:{{
622:.
601:^
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571:^
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513:^
112:1
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820:F
795:V
772:e
765:t
758:v
744:)
716:.
697:.
633:.
595:.
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442::
341::
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
