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Lycoming Aircraft Engine

Avgas Aircraft Engines

The last couple of years development in aircraft engines has been more or less concentrating on diesel engines. We have seen one off installations to fully developed engine production lines. A number of companies are active on this market primarily due to major concern of long term availability and the relative high price of AVgas (Europe). JET fuel (avtur) is available worldwide and can be used in diesel engines. This fuel can also be made of renewable sources (biomass) which contribute to a cleaner environment.

But as there are lots of Avgas engines still being produced and consequently used and installed by kit aircraft builders, we spend some time with Lycoming and Continental type of aircraft engines.

And as perfectly said by Lycoming: Some engines purr like kittens. These roar!

Lycoming Textron 540 Series

540 Series Specifications.

Excerpt from the document:

The Lycoming O-540 series engines are six-cylinder, direct-drive, horizontally opposed, air-cooled models. The cylinders are of conventional air-cooled construction with heads made from an aluminum-alloy casting and a fully machined combustion chamber. Rocker-shaft bearing supports are cast integral with the head, along with housings to form the rocker boxes. The cylinder barrels have deep integral cooling fins, and the inside of the barrels are ground and honed to a specified finish. The IO-540 and TIO-540 (turbocharged) series engines are equipped with a fuel-injection system, which schedules fuel flow in proportion to airflow.

To continue reading see the pdf below:

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