RWD-13
Encyclopedia

The RWD-13 was a Polish
Poland
Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...

 touring plane of 1935
1935 in aviation
This is a list of aviation-related events from 1935:- Events :* Employing aerial refueling, a sustained flight record of 653 hours 33 minutes is set...

, three-seater high-wing monoplane, designed by the RWD
RWD (aircraft manufacturer)
RWD was a Polish aircraft construction bureau active between 1928 and 1939. It started as a team of three young designers, Stanisław Rogalski, Stanisław Wigura and Jerzy Drzewiecki, whose names formed the RWD acronym.-History:...

 team. It was the biggest commercial success of the RWD.

Development

The RWD-13 was a touring plane, developed from a line of sports planes RWD-6
RWD-6
-See also:-References:*Andrzej Glass: "Polskie konstrukcje lotnicze 1893-1939" , WKiŁ, Warsaw 1977...

 (a winner of Challenge 1932
Challenge 1932
The Challenge 1932 was the third FAI International Tourist Plane Contest , that took place between 12 and August 28, 1932 in Berlin, Germany. The four Challenges, from 1929 to 1934, were major aviation events in pre-war Europe.-Overview:...

 international touring aircraft contest) and RWD-9
RWD-9
The RWD 9 was a Polish sports plane of 1934, constructed by the RWD team.-Development:The aircraft was a further development of the RWD 6 - the winner of the IIIrd Challenge de Tourisme International Challenge 1932 international tourist aircraft contest...

 (a winner of Challenge 1934
Challenge 1934
The Challenge 1934 was the fourth and last FAI International Tourist Plane Contest , that took place between August 28 and September 16, 1934 in Warsaw, Poland. The four Challenges, from 1929 to 1934, were major aviation events in pre-war Europe...

). It was designed by Stanisław Rogalski and Jerzy Drzewiecki
Jerzy Drzewiecki
Jerzy Drzewiecki was a Polish aeroplane constructor, an engineer and one of the founders of the RWD construction bureau, along with Rogalski and Wigura. Among his most notable constructions is the RWD-7 aeroplane....

 of the RWD team, in the DWL workshops (Doświadczalne Warsztaty Lotnicze
Doswiadczalne Warsztaty Lotnicze
Doświadczalne Warsztaty Lotnicze was the Polish aircraft manufacturer, active in 1933-1939. It was a home of the RWD construction team and manufactured aircraft under a brand RWD.-History:...

) in Warsaw, for and order of the LOPP
Lopp
Lopp may refer to:*Michael Lopp, represented by the character Rands in the webcomic Jerkcity*William Thomas Lopp, pioneer missionary in Alaska around the end of the 19th century, active in Native American affairs in the United States...

 paramilitary organization.
The prototype was constructed using parts of a broken up RWD-6
RWD-6
-See also:-References:*Andrzej Glass: "Polskie konstrukcje lotnicze 1893-1939" , WKiŁ, Warsaw 1977...

 (initially it was even supposed to be designated RWD-6bis), but its construction was more similar to newer RWD-9
RWD-9
The RWD 9 was a Polish sports plane of 1934, constructed by the RWD team.-Development:The aircraft was a further development of the RWD 6 - the winner of the IIIrd Challenge de Tourisme International Challenge 1932 international tourist aircraft contest...

. It first flew on January 15, 1935 (registration SP-AOA). Since the RWD-13 was not supposed to be a competition plane, the main differences from the RWD-9 were: an inline engine
Inline engine (aviation)
In aviation, an inline engine means any reciprocating engine with banks rather than rows of cylinders, including straight engines, flat engines, V engines and H engines, but excluding radial engines and rotary engines....

 with lower power output, instead of a radial engine
Radial engine
The radial engine is a reciprocating type internal combustion engine configuration in which the cylinders point outward from a central crankshaft like the spokes on a wheel...

, and simpler wing mechanization. It still had advantages, like short take-off and landing
STOL
STOL is an acronym for short take-off and landing, a term used to describe aircraft with very short runway requirements.-Definitions:There is no one accepted definition of STOL and many different definitions have been used by different authorities and nations at various times and for a myriad of...

 and ease of flying, with good stability. By 1939, some 85 were produced.

In 1937
1937 in aviation
This is a list of aviation-related events from 1937:- Events :* The Hawker Hurricane enters service as the Royal Air Forces first monoplane fighter....

 an air ambulance
Air ambulance
An air ambulance is an aircraft used for emergency medical assistance in situations where either a traditional ambulance cannot reach the scene easily or quickly enough, or the patient needs to be transported over a distance or terrain that makes air transportation the most practical transport....

 variant RWD-13S was built (prototype markings SP-BFN), with a starboard hatch for stretchers in the fuselage. There was also developed a similar universal variant RWD-13TS (or ST, or S/T), that could be converted from a touring plane to an ambulance by removing the right-hand seat. By 1939, 15 RWD-13S were made, including a few RWD-13TS. A development of the RWD-13 was the five-seater RWD-15
RWD-15
-See also:-References:*Andrzej Glass: "Polskie konstrukcje lotnicze 1893-1939" , WKiŁ, Warsaw 1977, p. 320-322 -External links:* at site...

.

A licence was sold to Yugoslavia
Yugoslavia
Yugoslavia refers to three political entities that existed successively on the western part of the Balkans during most of the 20th century....

 in 1938 and made four RWD-13, and two RWD-13S were produced 1939 there by Rogožarski. All four RWD-13s were converted in 1939 into ambulance RWD-13S aircraft.

A flying replica of the RWD-13 is under construction in Poland (as of 2008).

Design

Three-seater sports and touring strut
Strut
A strut is a structural component designed to resist longitudinal compression. Struts provide outwards-facing support in their lengthwise direction, which can be used to keep two other components separate, performing the opposite function of a tie...

ted high-wing monoplane
Monoplane
A monoplane is a fixed-wing aircraft with one main set of wing surfaces, in contrast to a biplane or triplane. Since the late 1930s it has been the most common form for a fixed wing aircraft.-Types of monoplane:...

 of a mixed construction. A fuselage of a metal frame, covered with canvas
Canvas
Canvas is an extremely heavy-duty plain-woven fabric used for making sails, tents, marquees, backpacks, and other items for which sturdiness is required. It is also popularly used by artists as a painting surface, typically stretched across a wooden frame...

, in engine section with aluminium
Aluminium
Aluminium or aluminum is a silvery white member of the boron group of chemical elements. It has the symbol Al, and its atomic number is 13. It is not soluble in water under normal circumstances....

 sheets. Two-spar rectangular wing of wooden construction, covered with canvas and plywood in front. Wings folded rearwards, and were equipped with automatic slats
Leading edge slats
Slats are aerodynamic surfaces on the leading edge of the wings of fixed-wing aircraft which, when deployed, allow the wing to operate at a higher angle of attack. A higher coefficient of lift is produced as a result of angle of attack and speed, so by deploying slats an aircraft can fly at slower...

. Cantilever empennage
Empennage
The empennage , also known as the tail or tail assembly, of most aircraft gives stability to the aircraft, in a similar way to the feathers on an arrow...

, covered with plywood (stabilizers) and canvas (rudder and elevators). Closed cabin with three seats: two front seats fitted with dual controls, behind them a third seat and a space for a luggage. The cabin had a pair of doors. In RWD-13S there were two seats on the left side, and stretchers on the right. The single engine in front was a 4-cylinder air-cooled inverted straight engine 130 hp Walter Major 4, PZInż. Major (licensed Walter Major), or a de Havilland Gipsy Major. The propeller was a two-blade wooden Szomański of a fixed pitch. The landing gear
Landing Gear
Landing Gear is Devin the Dude's fifth studio album. It was released on October 7, 2008. It was his first studio album since signing with the label Razor & Tie. It features a high-profile guest appearance from Snoop Dogg. As of October 30, 2008, the album has sold 18,906 copies.-Track...

 was conventional, with a rear skid. The fuel tanks were in the wings with a capacity of 140 L. Fuel consumption of the airplane was 28 litres/hour.

Poland

Most RWD-13s were used by the Polish civilian aviation, initially, the Polish Aero Club
Polish Aero Club
Aeroklub Polski is the Polish central association of persons practising air sports or recreational flying. It was founded in 1921 and is a member of the Fédération Aéronautique Internationale. It has a headquarters in Warsaw....

 (they were funded by the Ministry of Communication or the LOPP
Lopp
Lopp may refer to:*Michael Lopp, represented by the character Rands in the webcomic Jerkcity*William Thomas Lopp, pioneer missionary in Alaska around the end of the 19th century, active in Native American affairs in the United States...

 paramilitary organization - Air and Anti-gas Defence League). Three were used by the Ministry of Communication as utility aircraft, two were used by the LOT Polish Airlines
LOT Polish Airlines
Polskie Linie Lotnicze LOT S.A. , trading as LOT Polish Airlines, is the flag carrier of Poland. Based in Warsaw, LOT was established in 1929, making it one of the world's oldest airlines still in operation. Using a fleet of 55 aircraft, LOT operates a complex network to 60 destinations in Europe,...

, and several were in hands of private owners and companies.

The Polish Aero Club aircraft were also used for sport flying, taking part in numerous international contests and rallies, taking high places. Among others, they took the 1st, 4th, 6th and 7th places in a touring aircraft competition during the 4th International Air Meeting in Zurich
Zürich
Zurich is the largest city in Switzerland and the capital of the canton of Zurich. It is located in central Switzerland at the northwestern tip of Lake Zurich...

 in 1937. The RWD-13S won a prize of Esch
Esch-sur-Alzette
Esch-sur-Alzette is a commune with city status, in south-western Luxembourg. It is the country's second city, and its second-most populous commune, with a population of 29,853 people...

 town for the best air ambulance of an International Ambulance Aircraft Contest in Esch, Luxembourg in July 1938 (the contest itself was won by another Polish plane, the LWS-2
LWS-2
-References:*Andrzej Glass: "Polskie konstrukcje lotnicze 1893-1939" , WKiŁ, Warsaw 1977, p. 169-170 -See also:-External links:*...

).

Most air ambulances RWD-13S belonged to the Polish Red Cross
Polish Red Cross
Polish Red Cross is the Polish member of International Red Cross and Red Crescent Movement. It was founded in 1919 by Dr. Benjamin Reschovsky of Warsaw City Hospital and recognized by the Red Cross on July 24th 1919, and its first president was Paweł Sapieha....

, five to the Polish Air Force
Polish Air Force
The Polish Air Force is the military Air Force wing of the Polish Armed Forces. Until July 2004 it was officially known as Wojska Lotnicze i Obrony Powietrznej...

, but they carried civilian markings as well. Several (at least five) RWD-13, not counting air ambulances, were mobilized after the start of World War II
World War II
World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

 and used as liaison aircraft
Liaison aircraft
A liaison aircraft is a small, usually unarmed aircraft primarily used by military forces for artillery observation or transporting commanders and messages. The concept developed before World War II and included also battlefield reconnaissance, air ambulance, column control, light cargo delivery...

 during the Polish September Campaign. Some aircraft were evacuated to neighbouring countries, some were destroyed or seized by the Germans.

Most Polish RWD-13 were painted red, with a silver lightning painted on a fuselage and silver wings. RWD-13S were painted in ivory, with Red Cross markings, while RWD-13TS were painted in ivory, with a red lightning on the fuselage.

Only four RWD-13 were used in Poland after the war, that were returned by Romania in 1947 (in 1948 the Polish communist government lost interest in all Polish pre-war equipment remaining abroad). They were used until 1953-1955, with registrations: SP-MSZ (owned by the Ministry of Foreign Affairs, MSZ in short), SP-ARG, SP-ARH, SP-ARL. SP-ARL is currently preserved in the Polish Aviation Museum
Polish Aviation Museum
Polish Aviation Museum is a large museum of old aircraft and aircraft engines in Kraków, Poland. It is located at the site of the no-longer functional Kraków-Rakowice-Czyżyny Airport. This airfield, established by Austria-Hungary in 1912, is one of the oldest in the world...

 in Kraków
Kraków
Kraków also Krakow, or Cracow , is the second largest and one of the oldest cities in Poland. Situated on the Vistula River in the Lesser Poland region, the city dates back to the 7th century. Kraków has traditionally been one of the leading centres of Polish academic, cultural, and artistic life...

, with its pre-war registration SP-BNU (formerly used by LOT Polish Airlines
LOT Polish Airlines
Polskie Linie Lotnicze LOT S.A. , trading as LOT Polish Airlines, is the flag carrier of Poland. Based in Warsaw, LOT was established in 1929, making it one of the world's oldest airlines still in operation. Using a fleet of 55 aircraft, LOT operates a complex network to 60 destinations in Europe,...

).

Spain

Around twenty RWD-13 were exported before the war. Four were sold to Spain
Spain
Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...

 and used as liaison planes by Franco's Nationalists during the Spanish Civil War
Spanish Civil War
The Spanish Civil WarAlso known as The Crusade among Nationalists, the Fourth Carlist War among Carlists, and The Rebellion or Uprising among Republicans. was a major conflict fought in Spain from 17 July 1936 to 1 April 1939...

, under the name Polaca (numbers: 30-1 - 30-4). After the civil war, the remaining ones were used in aero clubs.

Brasil

In 1937-1938, eight RWD-13 were sold to Brazil
Brazil
Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

 and used there until the 1960s. One of them still remains in airworthy condition (PT-LFY).

Palestine/Israel

Two or three RWD-13 were sold to Jewish owners in Palestine. With the formation of the Sherut Avir
Sherut Avir
The Sherut Avir was the air force of the Haganah and the forerunner of the Israeli Air Force.-Founding:The Sherut Avir was founded in November 1947, just two weeks prior to the passing of the 1947 UN Partition Plan which proposed the division of Palestine into a Jewish and Arab state.It was at...

, the air arm of the Haganah
Haganah
Haganah was a Jewish paramilitary organization in what was then the British Mandate of Palestine from 1920 to 1948, which later became the core of the Israel Defense Forces.- Origins :...

, in November 1947 two were included in its inventory. On 17 December 1947 one of them undertook the first air attack, with hand grenades and handguns, during the Israeli-Arab skirmishes (earlier, on 15 June 1936, an RWD-13 was the first aircraft to land in Tel Aviv
Tel Aviv
Tel Aviv , officially Tel Aviv-Yafo , is the second most populous city in Israel, with a population of 404,400 on a land area of . The city is located on the Israeli Mediterranean coastline in west-central Israel. It is the largest and most populous city in the metropolitan area of Gush Dan, with...

). The two RWD-13s were among the first aircraft of the newly created Israeli Air Force
Israeli Air Force
The Israeli Air Force is the air force of the State of Israel and the aerial arm of the Israel Defense Forces. It was founded on May 28, 1948, shortly after the Israeli Declaration of Independence...

, and were used for liaison and transport during the 1948 Arab-Israeli War
1948 Arab-Israeli War
The 1948 Arab–Israeli War, known to Israelis as the War of Independence or War of Liberation The war commenced after the termination of the British Mandate for Palestine and the creation of an independent Israel at midnight on 14 May 1948 when, following a period of civil war, Arab armies invaded...

.

Romania

After the outbreak of World War II, 28 Polish RWD-13 were evacuated to Romania
Romania
Romania is a country located at the crossroads of Central and Southeastern Europe, on the Lower Danube, within and outside the Carpathian arch, bordering on the Black Sea...

 (23 RWD-13 and 5 RWD-13S). After the fall of Poland, they were taken over by Romanian civil and military aviation. After Romania joined the war on the Axis
Axis Powers
The Axis powers , also known as the Axis alliance, Axis nations, Axis countries, or just the Axis, was an alignment of great powers during the mid-20th century that fought World War II against the Allies. It began in 1936 with treaties of friendship between Germany and Italy and between Germany and...

 side and took part in the attack on the USSR
Operation Barbarossa
Operation Barbarossa was the code name for Germany's invasion of the Soviet Union during World War II that began on 22 June 1941. Over 4.5 million troops of the Axis powers invaded the USSR along a front., the largest invasion in the history of warfare...

, RWD-13 were used as liaison aircraft by the Air Force. Especially famous were air ambulances, used by the "Escadrila Albă" (White Squadron), flown by women. Twenty-one survived the war and the remaining ones were used in Romania until the 1950s.

Other countries

A single aircraft was used in Estonia
Estonia
Estonia , officially the Republic of Estonia , is a state in the Baltic region of Northern Europe. It is bordered to the north by the Gulf of Finland, to the west by the Baltic Sea, to the south by Latvia , and to the east by Lake Peipsi and the Russian Federation . Across the Baltic Sea lies...

. Two RWD-13, sent to the World's Fair
1939 New York World's Fair
The 1939–40 New York World's Fair, which covered the of Flushing Meadows-Corona Park , was the second largest American world's fair of all time, exceeded only by St. Louis's Louisiana Purchase Exposition of 1904. Many countries around the world participated in it, and over 44 million people...

, were sold after the outbreak of war in 1939 and used in the USA (N20651 and N20652), where their structure was modified by Lt. Joseph Malejki. Three (or one) aircraft were sold to Yemen
Yemen
The Republic of Yemen , commonly known as Yemen , is a country located in the Middle East, occupying the southwestern to southern end of the Arabian Peninsula. It is bordered by Saudi Arabia to the north, the Red Sea to the west, and Oman to the east....

. Several RWD-13 were evacuated to Latvia
Latvia
Latvia , officially the Republic of Latvia , is a country in the Baltic region of Northern Europe. It is bordered to the north by Estonia , to the south by Lithuania , to the east by the Russian Federation , to the southeast by Belarus and shares maritime borders to the west with Sweden...

 and they were probably later seized by the Soviets.

Military operators

  • Estonian Air Force
    Estonian Air Force
    The Estonian Air Force is the name of the unified aviation forces of Estonia.The Õhuvägi is the main arm of the Estonian aviation forces. The average size of the military formation in peacetime is about 210 men. The Estonian Air Force is tasked with dealing with political, military, economical,...

     operated one RWD-13S evacuated in September 1939 to Estonia.

 Independent State of Croatia
  • Air Force of the Independent State of Croatia
    Air Force of the Independent State of Croatia
    The Air Force of the Independent State of Croatia, the Zrakoplovstvo Nezavisne Države Hrvatske was the national air force of the Independent State of Croatia during World War II, founded under German authority in April 1941...

     1 ex-Royal Yugoslav Air Force.

 Germany
  • Luftwaffe
    Luftwaffe
    Luftwaffe is a generic German term for an air force. It is also the official name for two of the four historic German air forces, the Wehrmacht air arm founded in 1935 and disbanded in 1946; and the current Bundeswehr air arm founded in 1956....

     operated captured aircraft.

  • Israeli Air Force
    Israeli Air Force
    The Israeli Air Force is the air force of the State of Israel and the aerial arm of the Israel Defense Forces. It was founded on May 28, 1948, shortly after the Israeli Declaration of Independence...

     operated 2 RWD-13 aircraft.


  • Romanian Air Force
    Romanian Air Force
    The Romanian Air Force is the air force branch of the Romanian Armed Forces. It has an air force headquarters, an operational command, four air bases and an air defense brigade...

    • Escadrila Albă

  • Swedish Air Force
    Swedish Air Force
    The Swedish Air Force is the air force branch of the Swedish Armed Forces.-History:The Swedish Air Force was created on July 1, 1926 when the aircraft units of the Army and Navy were merged. Because of the escalating international tension during the 1930s the Air Force was reorganized and expanded...

     operated single RWD-13 (under the designation Tp 11) evacuated to Sweden
    Sweden
    Sweden , officially the Kingdom of Sweden , is a Nordic country on the Scandinavian Peninsula in Northern Europe. Sweden borders with Norway and Finland and is connected to Denmark by a bridge-tunnel across the Öresund....

     in September 1939

  • Spanish Air Force
    Spanish Air Force
    -The early stages:Hot air balloons had been used with military purposes in Spain as far back as 1896. In 1905, with the help of Alfredo Kindelán, Leonardo Torres y Quevedo directed the construction of the first Spanish dirigible in the Army Military Aerostatics Service, created in 1896 and located...


 Kingdom of Yugoslavia
  • Yugoslav Royal Air Force
    Yugoslav Royal Air Force
    The Yugoslav Royal Air Force was formed in 1918 in the Kingdom of Serbs, Croats and Slovenes and existed until Yugoslavia's surrender to the Axis powers in 1941 following the Invasion of Yugoslavia during World War II....

     operated Yugoslavian-made two RWD-13s, and two RWD-13S.

Civil operators

 Iran
  • In May 1939, a single RWD-13 (SP-BNY) was given by the President of Poland to the Persian heir Mohammed Reza Pahlavi as a wedding gift.

 Palestine (mandate)
  • Aviron company operated 2 or 3 RWD-13s (registered as VQ-PAL and VQ-PAM) until 1948 when two aircraft were handed over to Israeli Air Force
    Israeli Air Force
    The Israeli Air Force is the air force of the State of Israel and the aerial arm of the Israel Defense Forces. It was founded on May 28, 1948, shortly after the Israeli Declaration of Independence...

    .

  • Aeroklub Polski
  • LOT Polish Airlines
    LOT Polish Airlines
    Polskie Linie Lotnicze LOT S.A. , trading as LOT Polish Airlines, is the flag carrier of Poland. Based in Warsaw, LOT was established in 1929, making it one of the world's oldest airlines still in operation. Using a fleet of 55 aircraft, LOT operates a complex network to 60 destinations in Europe,...


 Kingdom of Romania

  • After the war ex-Swedish Air Force aircraft was used with civilian markings SE-AOF until 1951.

 United States
  Kingdom of Yemen
 Kingdom of Yugoslavia
  • SU Belgrade operated 2 RWD-13 aircraft.

Specifications

See also

External links

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