SHEAR PIN, UNIT 24 GORGE POWERHOUSE. THE WICKET GATES ON THE TURBINE ARE EACH EQUIPPED WITH A SHEAR PIN AND OIL PRESSURE GAUGE. IF A GATE JAMS, THE PIN SMEARS AND THE CHANGE IN OIL PRESSURE TRIGGERS AN ALARM, 1989. - Skagit Power Development, Gorge Powerhouse, On Skagit River, mile upstream from Newhalem, Newhalem, Whatcom County, WA; Ross, J D; Jorgenson, Lars

---

Size: 4232px × 5907px
Photo credit: © Tango Images / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: