Lack of Engine Wear
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I've been purposely starting the engines without running the pre-oiler. It started as a curiosity, and now after a dozen such startups in a variety of climates, where the tablet shows no oil in the galleries, the engines both remain at 100% integrity. Should they not be degrading after such oil-free startups?
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Great question. The Duke is actually the only aircraft I've encountered in the real world with a pre-oiler, because the cumulative damage caused by starting the engines with no fresh oil in the camshaft galleries is extremely low. I still wish I had the system in my own aircraft, but 100,000+ aircraft are out there flying every day without pre-oilers, and their engines last for many thousands of hours. It's a great system to use if you have it, but you should not expect the engines to self-destruct if you don't, either. I hope that answers your question!
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Great question. The Duke is actually the only aircraft I've encountered in the real world with a pre-oiler, because the cumulative damage caused by starting the engines with no fresh oil in the camshaft galleries is extremely low. I still wish I had the system in my own aircraft, but 100,000+ aircraft are out there flying every day without pre-oilers, and their engines last for many thousands of hours. It's a great system to use if you have it, but you should not expect the engines to self-destruct if you don't, either. I hope that answers your question!
@Black-Square Makes sense. Thanks!
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I'm seeing a lack of engine wear, but in my case, I think it's not saving the state, it's stayed at 100% with 0 wear even though I exceeded CHT significantly on 2 flights, until I remembered to open cowl flaps. It's also not saving the fuel state. I have a ticket into JF about it, but haven't heard anything.
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I'm seeing a lack of engine wear, but in my case, I think it's not saving the state, it's stayed at 100% with 0 wear even though I exceeded CHT significantly on 2 flights, until I remembered to open cowl flaps. It's also not saving the fuel state. I have a ticket into JF about it, but haven't heard anything.
@lilycrose - I’ve been noticing the same thing. While I think I’m usually pretty kind to the engines, there was one flight where my CHT hit the redline a few times, and I’m surprised that both of my Duke’s engines have remained at 100% after all of my flights so far with no repairs done. When I was primarily flying the Bonanza it definitely showed a little wear over time with similar treatment. It has had me starting to wonder if there’s something not quite working here.
