North Wilkesboro on our top lists: # 1 67 on the list of Top 101 cities with the largest percentage of people in homes for abused, dependent, and neglected children (population 1,000+). # 2 89 (28659) on the list of Top 101 zip codes with the largest percentage of United States first ancestries (pop 5,000+).
Job Duties and Tasks for: Aircraft Engine Specialist. 1) Replaces or repairs worn, defective, or damaged components, using hand tools, gauges, and testing equipment. 2) Tests engine operation, using test equipment such as ignition analyzer, compression checker, distributor timer, and ammeter, to identify malfunction. 3) Listens to operating engine to detect and diagnose malfunctions, such as sticking or burned valves. 4) Reassembles engine and installs engine in aircraft.
Some single-piston gasoline engines entered service, but for use with airplanes, most such engines had a number of pistons, each shuttling back and forth within its own cylinder. Each piston also had a connecting rod, which pushed on a crank that was part of a crankshaft. This crankshaft drove the propeller.