LONDON (Dow Jones)--Rolls-Royce PLC (RR.LN), a global power systems company, said Tuesday that it has won a $240 million share of an order from Vietnam Airlines for V2500 engines to power 36 Airbus A321. MAIN FACTS: -Deliveries of the aircraft, already on order, are scheduled to start in 2011. -The V2500 is produced by the International Aero Engines consortium (IAE) in which Rolls-Royce is a senior shareholder. -Shares at 1300 GMT down 0.50 pence, or 0.09%, at GBP579 pence, valuing the company at GBP10.74 billion. -By Razak Musah Baba, Dow Jones Newswires; 44-20-7842-9275; [email protected] (END) Dow Jones Newswires July 20, 2010 09:04 ET (13:04 GMT)