R-3 tank

R-3 was a proposed Romanian tank design for use in World War II. It was basically a variant of the Czechoslovak S-II-c tank prototype (known as the T-21 tank after 1939), which was itself a variant of the Panzer 35(t) tank with pneumatic steering[1] which was going to be built in Romania because of the repeated acquisition failures. Because of political reasons and the limited industrial capacities of both Škoda Works and the Romanian industry, the design never entered production.

R-3
TypeMedium tank
Place of originRomania/Czechoslovakia
Production history
DesignerŠkoda
Designed1938-1940
No. built0 - remained a proposal only
Specifications (S-II-c)
Mass17 tonnes (17 long tons; 19 short tons)
Crew4
Armor30 millimetres (1.2 in)
Main
armament
4.7 cm KPÚV vz. 38 gun
Secondary
armament
2 x 7.92 mm machine gun
Engine4-cylinder, water-cooled, 13.8 litre, Škoda gasoline
250 horsepower (190 kW)
Suspensionleaf spring
Maximum speed 50 kilometres per hour (31 mph)

History

In the summer of 1940, Romania's traditional interwar arms delivery partners, France and Czechoslovakia, were under German occupation. Romania's armored forces were equipped with 126 light R-2 tanks (LT vz. 35s), 75 Renault R-35 tanks (41 of which were interned Polish tanks), 35 R-1 tankettes and 75 obsolete Renault FT tanks. As the country was basically surrounded by hostile neighbours from all sides and the Renault R-35 tank deliveries were stopped, the Romanian Army sought to buy a medium tank.

The Škoda S-II-c prototype, on which the R-3 would have been based

The chosen design was the Czechoslovak S-II-c prototype, the successor of the LT vz. 35 light tank. The Romanian trials and field testing of the tank started in late 1939. This choice came naturally, as Romanian troops were already familiar with its predecessor. The prototype was later designated by Škoda Works as the T-21 medium tank. Nazi Germany refused to deliver tanks to Romania because the country was not yet part of the Axis.[2]

In August 1940, the talks were resumed, as Germany sold the license of an improved variant of the T-21 tank to Hungary. The Hungarian engineers improved the two T-22 prototypes sent to them by Germany and used these as the basis for their 40M Turán I medium tank.[3] Romania, now part of the Axis, placed an order for 216 tanks in January 1941, but Germany couldn't deliver the tanks because of the limited resources. The delivery would have disrupted the production of other tanks.

In June 1941, Romania ordered 287 R-3 tanks from Škoda, but Germany only delivered 26 worn-out Panzer 35(t)s.[4] Rebuffed repeatedly, Romania eventually offered to build the tanks locally, but the country lacked the industrial resources to produce medium tanks and the project was eventually canceled.[5][6]

References
  1. https://tanks-encyclopedia.com/ww2/czech/ww2_czech_tanks.php
  2. Axworthy 1995, p. 37
  3. https://tanks-encyclopedia.com/ww2/hungary/40m_turan.php
  4. Axworthy 1995, p. 76
  5. Axworthy 1995, p. 219
  6. Skoda S-II-c Archived 2013-09-27 at the Wayback Machine

References
  • Mark Axworthy, Cornel Scafeș, Cristian Crăciunoiu,Third Axis. Fourth Ally. Romanian Armed Forces in the European War, 1941-1945, Arms and Armour, London, 1995. ISBN 1-85409-267-7
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