What is the oil pressure range during aerobatics/spins at idle?

The oil pressure range during aerobatics or spins at idle is generally understood to be between 15 to 40 PSI. This range indicates the minimum requirement for maintaining adequate lubrication for the engine components while the aircraft is in unusual attitudes or maneuvers.

During these high-demand situations, the oil pressure may fluctuate due to changes in aircraft orientation and engine load. The lower boundary of 15 PSI is critical in ensuring that there is sufficient oil flow to keep the engine properly lubricated, preventing overheating and potential engine damage. The upper limit of 40 PSI represents a safe operational pressure that allows for performance without risking excessive pressure that might lead to other issues such as mechanical stress on seals and gaskets.

In operational contexts, this range helps pilots understand engine performance during aerobatic maneuvers and confirms that, even at idle power settings, the engine can still run efficiently while being subjected to the stresses of flight. Understanding these parameters is essential for safety and proper aircraft handling in aerobatic scenarios.