Mnemonic. 1  V: vertebral artery. 2  I: internal thoracic artery. 3  T: thyrocervical trunk I: inferior thyroid artery.  C: costocervical artery S: superior intercostal 1  artery. D: dorsal scapular artery.
Aircraft Engine Governors Repairs, Overhaul and Refurbishing, overhaul services, exchanges and technical support for all major governor manufacturers including McCauley, Hartzell, MT-Propeller, Woodward, Hamilton Standard, Aero Technologies and Jihostroj.
SG Governors. Available in work ratings of 10.8 and 21.7 inch-pounds, the PSG governor is a pressure-compensated, speed-droop, or isochronous governor for controlling the speed of small diesel, gas, and gasoline engines, or small steam or industrial gas turbines.vailable in work ratings of 10.8 and 21.7 inch-pounds, the SG hydraulic speed-droop type governor is designed for use on small diesel, gas, or gasoline engines where isochronous control is not required. The droop control is such that the governor operates at a slower speed as engine load increases.