A new upgrade kit is available for the Rolls-Royce M250, which powers the Bell 407 and MD600. The value improvement program (VIP) will lower fuel burn by 2 percent and raise hot/high performance by up to 5 percent, without increasing the weight of the engine, according to the company. Rolls-Royce received FAA certification for the upgrade—which incorporates modifications to the engine impeller and diffuser, using technology from the RR300 and RR500 programs—in late 2011 and will offer the kit to operators by the end of first quarter 2012.
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