Driveshaft Operating Angle vs Shaft RPM Chart - Pinion Angle at Speed

This document is a simple two-column reference table relating driveshaft speed (SHAFT RPM) to the maximum recommended universal-joint OPERATING ANGLE. The table lists eight rows: at 5000 RPM the operating angle is 3.25°, at 4500 RPM 3.67°, at 4000 RPM 4.25°, at 3500 RPM 5.00°, at 3000 RPM 5.83°, at 2500 RPM 7.00°, at 2000 RPM 8.67°, and at 1500 RPM 11.5°. The clear takeaway is an inverse relationship: as shaft rotational speed increases, the allowable operating (pinion/U-joint) angle decreases. A reader can use this table when setting pinion angle or driveline geometry — for example after a suspension lift or axle swap — to determine how much operating angle is acceptable for the driveshaft speeds the vehicle will see. The document is generic and contains no vehicle make, model, year, part numbers, or additional notes; it consists solely of the table shown. It was uploaded to a 1994 Ford Bronco gallery under the filename 'PINION ANGLE AT SPEED.jpg', suggesting its intended use for driveline/pinion angle setup, though the chart itself does not state any application limits.