VL Pyry

Last updated
Pyry
VL Pyry.JPG
VL Pyry at the Finnish Aviation Museum
RoleReconnaissance/fighter
Manufacturer Valtion lentokonetehdas
First flight29 March 1939
Introduction1941
Retired7 September 1962
StatusRetired
Primary user Finnish Air Force
Number built41

VL Pyry (Finnish language for blizzard ) was a Finnish low-winged, two-seated fighter trainer aircraft, built by the State Aircraft Factory ( Valtion lentokonetehdas ) for use with the Finnish Air Force. The Pyry was in use from 1939 to 1962. The aircraft was a mixed construction of wood, steel, fabric, and duraluminium. [1]

Contents

History

In 1937 a prototype, the VL Pyry I, with the identification number PY-1, was ordered by the Finnish Air Force. It was designed by Martti Vainio, Torsti Verkkola, and Edward Wegelius, with Arvo Ylinen being the chief designer. The PY-1s first flight was on 29 March, 1939. 40 aircraft were ordered in May of 1940 and were delivered in 1941. They were given the name VL Pyry II, with the ID designations of PY2-PY41. [2] [3] The Air Force School in Kauhava was the first unit to receive the new aircraft. Around 700 pilots were trained in the aircraft and the type accumulated over 56,000 flying hours over a service life of 20 years. PY-1 and PY-27 made the final official flights of this series in Härmälä on 7 September 1962. [4]

The plane was tricky to fly, and shown to be unstable and prone to wingtip stalls. In an attempt to fix the wingtip stall issue, four Pyrys (PY-1, -24, -32 and -37) were equipped with trapezoidal wings, as well as serving to test these structures for the VL Myrsky. While these new wings did reduce the risk of stalls, they made the aircraft even more unstable than before. In 1942 all planes were grounded to fix a problem with horizontal stabilizer struts breaking, and the original struts were replaced with V struts, resulting in a more tail-heavy aircraft. To improve stability, the engine mount was lengthened by 16.5cm in 1944, but it was still a difficult plane to fly for inexperienced pilots.

There were 28 accidents of VL Pyry. All together 27 pilots died. The first accident was on 15 June 1941 in Hyvinkää. Pilot Kauno Osmo Meriluoto died. [5]

The aircraft's final flights were made by PY-1 and PY-27 September 6, 1962.

Surviving aircraft

Operators

Flag of Finland.svg  Finland
Finnish Air Force

Specifications (VL Pyry II)

Data from [6]

General characteristics

Performance

Armament

Related Research Articles

<span class="mw-page-title-main">Focke-Wulf Fw 44 Stieglitz</span> 1932 general aviation aircraft family by Focke-Wulf

The Focke-Wulf Fw 44 Stieglitz (Goldfinch) is a 1930s German two-seat biplane. Designed by Kurt Tank in 1931, it was the Focke-Wulf company's first major international success. Produced as a pilot training and sports flying aircraft. It was also built under license in several other countries.

<span class="mw-page-title-main">Valmet L-70 Vinka</span> Type of aircraft

The Valmet L-70 Vinka is a Finnish-designed piston-powered military basic trainer aircraft of the 1970s. A production run of 30 aircraft were built for the Finnish Air Force in the early 1980s, and although the type was not exported, it formed the basis of the turboprop-powered Aermacchi M-290 RediGO.

<span class="mw-page-title-main">VL Myrsky</span> Type of aircraft

The VL Myrsky ("Storm") is a Finnish World War II fighter aircraft originally developed by Valtion lentokonetehdas for the Finnish Air Force. The models of the aircraft were Myrsky I, Myrsky II, and Myrsky III.

<span class="mw-page-title-main">VL Pyörremyrsky</span> 1940s Finnish fighter aircraft

The VL Pyörremyrsky ("Hurricane") was a Finnish fighter, designed by DI Torsti Verkkola at the State Aircraft Factory for service with the Finnish Air Force in World War II. The war ended before the type's first flight and only a prototype was built.

<span class="mw-page-title-main">VL Paarma</span> Type of aircraft

VL Paarma was a Finnish biplane, two-seat trainer aircraft, designed by the State Aircraft Factory for use with the Finnish Air Force.

<span class="mw-page-title-main">VL Tuisku</span> Type of aircraft

The VL Tuisku was a Finnish trainer aircraft designed in the 1930s. It was a two-seat, single-engined biplane with a welded steel framework, covered with fabric. 30 were produced for the Finnish Air Force and served from 1935 to 1949.

<span class="mw-page-title-main">VL Viima</span> Biplane trainer

VL Viima, constructed by the State Aircraft Factory is a Finnish two-seat, biplane trainer used by the Finnish Air Force from the late 1930s to the early 1960s. After military service, several were released into civil use.

<span class="mw-page-title-main">Valmet Vihuri</span> 1950s Finnish military trainer aircraft

Valmet Vihuri was a Finnish advanced two-seat fighter trainer aircraft, serving in the Finnish Air Force between 1953 and 1959. Only a few airframes have survived, as in the Central Finland Aviation Museum in Finland.

<span class="mw-page-title-main">Valmet Tuuli</span> 1950s Finnish military trainer aircraft

The Valmet Tuuli was a trainer aircraft, developed for the Finnish Air Force by the State Aircraft Factory. The aircraft was to be produced in 3 different versions. The last version, Tuuli III was redesigned from scratch, and is basically an entirely different aircraft.

<span class="mw-page-title-main">Koolhoven F.K.52</span> Type of aircraft

Koolhoven F.K.52 was a Dutch-designed, two-seat reconnaissance-fighter biplane, which was developed in the 1930s by Koolhoven. The aircraft was equipped with an enclosed cockpit and single-strut landing gear. Only six aircraft were produced. The aircraft saw some service in the Finnish Air Force.

<span class="mw-page-title-main">Friedrichshafen FF.49</span> Type of aircraft

Friedrichshafen FF.49 was a German, two-seat, single-engine float-plane designed by Flugzeugbau Friedrichshafen in 1917.

<span class="mw-page-title-main">Grigorovich M-9</span> Type of aircraft

The Grigorovich M-9 was a Russian World War I-era biplane flying boat, developed from the M-5 by Grigorovich.

<span class="mw-page-title-main">Halberstadt D.II</span> German WWI fighter

The Halberstadt D.II was a biplane fighter aircraft developed and manufactured by German aircraft company Halberstädter Flugzeugwerke.

<span class="mw-page-title-main">LFG Roland C.II</span> Type of aircraft

The LFG Roland C.II, usually known as the Walfisch (Whale), was an advanced German reconnaissance aircraft of World War I. It was manufactured by Luft-Fahrzeug-Gesellschaft G.m.b.H.

<span class="mw-page-title-main">Hannover CL.III</span> Type of aircraft

The Hannover CL.III was a German military aircraft of World War I. It was a two-seat multi-role aircraft, primarily used as a ground attack machine. Like the other Hannover "light-C-class", or "CL" designated aircraft designed by Hermann Dorner, it included an unusual biplane tail, allowing for a greater firing arc for the tail gunner. Until the introduction of the aircraft, such tails had only been used on larger aircraft.

<span class="mw-page-title-main">Heinkel HD 37</span> Type of aircraft

The Heinkel HD 37 was a fighter aircraft, designed in Germany in the late 1920s, but produced in the USSR for Soviet Air Force service. It was a compact, single-bay biplane with staggered wings of unequal span, braced by N-type interplane struts. The pilot sat in an open cockpit, and the main units of the tailskid undercarriage were linked by a cross-axle.

<span class="mw-page-title-main">Training Air Wing</span> Military unit

The Training Air Wing was the Finnish Air Force pilot jet aircraft training school. It is located at Kauhava Airport in Kauhava, in Southern Ostrobothnia. The unit trains pilots for the Finnish Defence Forces, as well as for the Finnish Border Guard.

<span class="mw-page-title-main">Air Force Academy (Finland)</span> Military unit

The Air Force Academy is located at Tikkakoski in Jyväskylä, Finland. The primary mission of the Air Force Academy is to train warfighting airmen who can carry out their missions even under the most strenuous conditions. This includes conscripts, active duty personnel, and special forces such as pilots, aircraft and helicopter mechanics, and air surveillance controllers. The Air Force Academy also trains conscripts for general military operations. While training is primarily geared to serve air base functions, several conscripts are trained for jobs in the control and reporting centres. The Air Force Academy comprises a headquarters and a Communication Systems Training Flight, an Aircraft and Weapon Systems Training Flight, Reserve Non-Commissioned Officer Training School, and a Reserve Officer Training School.

<span class="mw-page-title-main">PWS-6</span> Type of aircraft

The PWS-6, was a Polish liaison aircraft, developed in 1930 by the PWS, that remained a prototype.

<span class="mw-page-title-main">Sud-Ouest Espadon</span> French post-war prototype interceptor

The Sud-Ouest SO.6020 Espadon (Swordfish) was a French post-war prototype interceptor designed and built by SNCASO during the late 1940s. The French Air Force judged the design a failure despite some records being set and cancelled plans to put it into service in 1951. Only four aircraft were built and they were later modified to serve as testbeds for the mixed rocket and turbojet-powered SNCASO SO.9000 Trident program. Only one badly damaged aircraft survives.

References

  1. "AZmodels 1/72 V.L. Pyry "post war", previewed by Scott van Aken".
  2. "AZmodels 1/72 V.L. Pyry "post war", previewed by Scott van Aken".
  3. "VL Pyry – Let Let Let – Warplanes". 16 February 2019.
  4. "AZmodels 1/72 V.L. Pyry "post war", previewed by Scott van Aken".
  5. “Kohtalokkaat lennot 1939-1944” (Fateful Flights) by Jaakko Hyvönen. Publisher: Kustantaja Apali Oy, 2001, ISBN   951-9445-34-X
  6. "VL Pyry". menstream.pl (in Polish). Warsaw. Retrieved 22 November 2014.

Commons-logo.svg Media related to VL Pyry at Wikimedia Commons