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Downunder

EASA certification of Rotax 915 (Now 141 HP)

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from what I have read its got a new crankcase, gearbox, crank, pistons connecting rods and heads as well as a new ECU and turbo as well as a new intercooler and a few other tweaks. hence the two years to recertify the engine

 

 

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Keeping many of the original engine's dimensions. IF one started from scratch THAT would be most unlikely, and it would also be unlikely they would include a pressed up crank. This may have been altered but it would make the crankcase more bulky. Compromise results from this attempt at economy.. AS I said "We will see". Nev

 

 

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the certification process is holding manufacturers and innovation back, where are the direct injection gasoline engines in aviation?

 

 

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Only the most "modern" vehicles have them. I wouldn't like to put stale fuel through them. either. They can't detonate , but it's exotic technology. Nev

 

 

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Let us use turbines...the only issue is the fuel usage..but power for size and weight performance is streets ahead and as Nev has said the reliability is multiple times better

 

A small PT6 would be awesome

 

 

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