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Everything Else (Not Vincent Related)
Crank build for racing engine
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<blockquote data-quote="oexing" data-source="post: 179132" data-attributes="member: 1493"><p>The plain bearing one piece crank can induce some other weaknesses, just different to the common pressed up types. In case you might be interested in thorough investigations of engine failures in mainly twin engined aircraft with typical flat four or sixes in Pipers, Cessnas and all, scroll down a third of a big PDF, lots of pictures - and not pretty at all, might lead to sleepless nights. Remember these engines are not old , max. crank speeds below 2700 rpm and in that class often turbos fitted for 300 hp plus. I say, with 10-20 kg added in critical places they would be totally safe for air work. Modern trucks do 800 000 km up to 1.5 million km per engine and then get scrapped or sold to poor countries, never troubles like in that PDF. </p><p></p><p> Vic</p><p></p><p><a href="https://www.pilotundflugzeug.de/download/B20070191.pdf" target="_blank">engine failures</a></p></blockquote><p></p>
[QUOTE="oexing, post: 179132, member: 1493"] The plain bearing one piece crank can induce some other weaknesses, just different to the common pressed up types. In case you might be interested in thorough investigations of engine failures in mainly twin engined aircraft with typical flat four or sixes in Pipers, Cessnas and all, scroll down a third of a big PDF, lots of pictures - and not pretty at all, might lead to sleepless nights. Remember these engines are not old , max. crank speeds below 2700 rpm and in that class often turbos fitted for 300 hp plus. I say, with 10-20 kg added in critical places they would be totally safe for air work. Modern trucks do 800 000 km up to 1.5 million km per engine and then get scrapped or sold to poor countries, never troubles like in that PDF. Vic [URL='https://www.pilotundflugzeug.de/download/B20070191.pdf']engine failures[/URL] [/QUOTE]
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Crank build for racing engine
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