The IA-33 Pulqui was an Argentine single-seat jet fighter of the 1950's. The IA-33 was a high mid-wing cantilever, swept-wing, monoplane of metal construction powered by a Rolls-Royce Nene 2 centrifugal flow turbojet engine providing a top speed of 1040 kmh. The IA-33 was armed with four 20 mm cannons in the fuselage nose.
Found on http://www.probertencyclopaedia.com/browse/II.HTM
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