2pdr Rolls Royce (40 mm)

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Description

Write an introduction to the article in 2-3 small paragraphs. Briefly tell us about the history of the development and combat using the weaponry and also about its features. Compile a list of air, ground, or naval vehicles that feature this weapon system in the game.

Vehicles equipped with this weapon

General info

Tell us about the tactical and technical characteristics of the cannon or machine gun.

Available ammunition

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Comparison with analogues

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Usage in battles

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Pros and cons

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Pros:

Cons:

History

The 2-pounder Rolls Royce is the naval variant of the Rolls-Royce Type BH aircraft cannon. While first built for aircraft, it was never used in that capacity outside of testing as the Royal Navy decided in 1943 that rockets such as the RP-3 were the better choice for aerial anti-armour weapon and before that, adopted the competing Vickers S. The Royal Navy, however, found a use of the design in 1940 realizing their coastal defense boats needed a weapon to counter German E-boats. In September, the 2-pounder Rolls Royce was tested off Whale Island by the Royal Navy and, after ironing out the problems, was adopted in 1941. Used primarily on the Fairmile C, it was also used on motor gunboats such as MGB-75 which were used to both defend the British coast and the Mediterranean Sea as an anti-aircraft gun. Because Minister of Aircraft Production Lord Beaverbrook forbade Rolls Royce from building the design themselves, the 600 guns produced for the Royal Navy were subcontracted to the British United Shoe Company. Replacing some of their earlier Oerlikon 20 mm cannons, the Rolls-Royce was itself eventually replaced by a variant of the Molins Class M, another design first built for aircraft use.

Media

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See also

External links

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  • topic on the official game forum;
  • other literature.


Britain naval cannons
20 mm  20 mm/70 Oerlikon Mk.II · 20 mm/70 Oerlikon Mark V · 20 mm/70 Oerlikon Mark 24
40 mm  2pdr QF Mk.IIc · 2pdr QF Mk.VIII · 2pdr Rolls Royce · QF Mark V · QF Mark VII · QF STAAG Mark II
47 mm  3 pdr QF Hotchkiss
57 mm  6pdr 7cwt QF Mk IIA · 6pdr QF Mk.V
76 mm  3 inch 12pdr 12 cwt QF Mk.V · 3 inch/70 Mark 6 · 76 mm/45 QF 3in 20cwt HA Mark I · 76 mm/50 12pdr 18cwt QF Mark I · OQF 3in 20cwt
102 mm  4 inch/40 QF mark III · 4 in QF Mark V · 4 inch/45 Mark XVI · 4 inch/50 BL Mark VII · BL Mark IX
114 mm  4.5 inch/45 QF Mark IV · 4.5 inch/45 QF Mark V · 8cwt QF Mk I
120 mm  4.7 inch/45 Mk.XII
133 mm  5.25 inch/50 QF Mark I
152 mm  6 inch/45 BL Mark VII · 6 inch/45 BL Mark XII · 6 inch/50 BL Mark XXIII · 6 inch/50 QF Mark N5
190 mm  7.5 inch/45 BL Mk.VI
203 mm  8 inch/50 Mark VIII
305 mm  305 mm/45 Mark X · 12 inch/50 Mark XI
343 mm  13.5 inch/45 Mark 5(H) · 13.5 inch/45 Mark 5(L)
381 mm  15 inch/42 BL Mark I
  Foreign:
20 mm  Rh202 (Germany)
40 mm  Bofors L/60 Mark 2 (USA) · Bofors L/60 Mark 3 (USA)
76 mm  3 inch Mk.33 (USA) · 76 mm/62 OTO-Melara Compact (Italy)