You could be forgiven for thinking that SMA, the French company behind the SR305 diesel engine (very) occasionally seen in the C182 had gone away, but a US and French team was working the stand at Oshkosh and updating us on progress. According to Luc Pelon, SMA's CEO, they have been further developing the engine and the SR305-E is the result.
A different turbocharger and FADEC changes have brought the engine's service ceiling from 12,000' to 20,000'. Pelon believes that the true advantages of the engine will only be realised when someone designs an airframe specifically for it, but in these tough economic times we think he may have some while to wait.
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