Under The Cowling

Airplane Oil Systems

Under the Cowling 10 Quick-and-Dirty Tips to Enhanced Oil System Maintenance Oil cleans, cools, and reduces friction as it circulates through an engine. Oil also coats internal engine parts, helping to prevent corrosion. In...

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Spring Cleaning

Under the Cowling 6 Simple Strategies to get your Plane in Ship-shape for Spring For most folks, the warmer temperatures of spring bring a longing to get outdoors and enjoy activities that have been neglected during the cold...

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Sticky Valves

Under the Cowling Sticky Valve Salvation How to Diagnose and Treat a Suspect Valve Rough running engines are difficult to troubleshoot at times, especially if the malfunction is intermittent. Most problems are ignition or fuel...

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Box A Zone 6

Box B Zone 7

Box C Zone 8

Box D Zone 9

Box E Zone 11

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