Pipistrel switches engines for Panthera
Pipistrel's sleek Panthera retractable, announced two years ago, will soon have a six-cylinder Lycoming IO-540 rather than the IO-390 originally planned. The engine switch was forced because Lycoming won't be approving the IO-390 for mogas, according to Pipistrel. The IO-540 replacement, which Pipistrel says will improve short-field and high density altitude takeoff performance, will be approved for mogas use.
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