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The first flight took place on 8 August 1944. Later flight testing gave a total flight time of 19 hours and 50 minutes. The aircraft was 250 kg (551 lb) heavier than calculated, its engine was underpowered, and it was felt that the fighter would not be able to compete against enemy
173:, so it was decided in 1942 to produce a copy due to aircraft shortages. Chief designer Martti Vainio, along with designers Torsti Verkkola, Arvo Ylinen at Valtion Lentokonetehdas were tasked with designing the new aircraft as well as a replacement wing made of wood instead of metal.
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engine, previously tested on a
Brewster. The wooden wing added 250 kg of extra weight and moving the fuels tanks from the wing to the aft fuselage adversely affected maneuverability due to the center of gravity being shifted.
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The Humu was largely constructed out of wood due to scarcity of metals, but the frame was made from steel and its design followed closely that of the
Brewster. It was planned that captured
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The sole Humu, HM-671, was placed in storage in 1945. It was restored between 1972 and 1974 and is displayed at the
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had acquired 40+ surplus B-239 naval variants of the
Brewster Buffalo and put them to good use during the
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in
September 1944, combined with the aircraft's poor performance, however, put the end to the project.
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Keskinen, Kalevi; Niska, Klaus; Stenman, Kari; Geust, Carl-Fredrik (1981).
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634:"Puusiipi-Brewster", Part 2, Suomen Ilmailuhistoriallinen Lehti, 1/1999
617:"Puusiipi-Brewster", Part 1, Suomen Ilmailuhistoriallinen Lehti, 4/1998
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9-cylinder air-cooled radial piston engine, 746 kW (1,000 hp)
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engines and instrument panels would be used. It was powered by a 930hp
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https://www.militaryfactory.com/aircraft/detail.php?aircraft_id=1585
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19:"Humu" redirects here. For the Congolese ethnic group, see
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Aircraft of comparable role, configuration, and era
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648:The VL Humu at Central Finland Aviation museum
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518:, Simi Valley, CA: Ginter Publications, 2017
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353:1,250 km (780 mi, 670 nmi)
347:430 km/h (270 mph, 230 kn)
16:Finnish World War II-era fighter aircraft
516:Brewster F2A Buffalo and Export Variants
530:"The Incomplete Guide to Airfoil Usage"
451:
7:
514:Dann, Richard S. and Steve Ginter,
271:10.67 m (35 ft 0 in)
153:in 1944, and based on the American
365:10.16 m/s (2,000 ft/min)
277:3.66 m (12 ft 0 in)
265:8.03 m (26 ft 4 in)
14:
332:3-bladed variable-pitch propeller
283:19.4 m (209 sq ft)
877:World War II aircraft of Finland
440:List of aircraft of World War II
395:
203:
38:
23:. For the software company, see
862:Single-engined tractor aircraft
230:Central Finland Aviation museum
46:Central Finland Aviation museum
857:1940s Finnish fighter aircraft
692:Ilmailuvoimien Lentokonetehdas
1:
359:8,000 m (26,000 ft)
316:2,900 kg (6,393 lb)
310:1,950 kg (4,299 lb)
872:Aircraft first flown in 1944
502:"VL Humu Fighter Prototype"
460:"VL Humu Fighter Prototype"
893:
18:
632:Manninen, Pentti (1999).
615:Manninen, Pentti (1998).
189:aircraft. The end of the
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236:Specifications (VL Humu)
826:Valmet PIK-23 Towmaster
821:Valmet L-80 Turbo-Vinha
733:Valtion Lentokonetehdas
684:Valtion lentokonetehdas
598:Suomen museolentokoneet
534:m-selig.ae.illinois.edu
250:General characteristics
151:Valtion lentokonetehdas
577:Raunio, Jukka (2007).
558:Raunio, Jukka (1993).
161:Design and development
831:Valmet L-90TP Redigo
560:Lentäjän näkökulma 2
416:Brewster F2A Buffalo
155:Brewster F2A Buffalo
131:Brewster F2A Buffalo
44:The sole VL Humu at
488:"VL Humu - fighter"
474:"VL Humu - fighter"
428:Grumman F4F Wildcat
410:Related development
383:LKk/42 machine guns
314:Max takeoff weight:
224:Aircraft on display
53:General information
619:. pp. 10–14.
867:Low-wing aircraft
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838:
816:Valmet L-70 Vinka
636:. pp. 14–17.
588:978-951-96866-8-4
528:Lednicer, David.
218:Finnish Air Force
167:Finnish Air Force
142:(Whirlwind) is a
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381:2 × 12.7 mm
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119:First flight
106:Number built
96:Primary user
77:Manufacturer
709:IVL C.VI.25
338:Performance
330:Propellers:
320:Powerplant:
21:Amba people
846:Categories
740:NVI F.K.31
719:IVL Haukka
446:References
303:NACA 23009
296:NACA 23018
281:Wing area:
171:Winter War
780:VL Myrsky
765:VL Tuisku
760:VL Paarma
750:VL Sääski
625:1237-2315
269:Wingspan:
241:Data from
197:Operators
91:Cancelled
770:VL Viima
755:VL Kotka
704:IVL C.24
686:aircraft
539:16 April
389:See also
371:Armament
785:VL Humu
775:VL Pyry
288:Airfoil
275:Height:
263:Length:
211:Finland
144:Finnish
140:VL Humu
114:History
71:Finland
799:Valmet
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351:Range:
208:
178:Soviet
88:Status
379:Guns:
293:root:
257:Crew:
621:ISSN
602:ISBN
583:ISBN
564:ISBN
541:2019
322:1 ×
300:tip:
165:The
138:The
58:Type
33:Humu
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82:VL
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