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The Toro Company was established as the "Toro Motor Company" in 1914 to build tractor engines for The Bull Tractor Company. [4] It built steam engines to support war efforts during World War I, and changed its name to Toro Manufacturing Company in 1920 when it began to refocus on manufacturing farm equipment. [5]
Turbofan engines, which have low, intermediate and high pressure compressors running independently on separate shafts. Pages in category "Three-spool turbofan engines" The following 11 pages are in this category, out of 11 total.
The 715 shp TPE331-6 used in the Beech King Air B100 have a 400-hr. fuel nozzle cleaning interval, 1,800-hr. hot section inspection interval and a 5,400-hr. time between overhaul; approval is possible for 3,000-hr. HSIs and 6,000-hr. overhauls and engine reserves are cheaper than for the PT6A.
The Advanced Turbine Engine Company (ATEC) is a 50/50 joint venture created in 2007 between Honeywell Aerospace and Pratt & Whitney Military Engines. ATEC completed a Core Engine (High Pressure system only) test in mid-2011 on the two-spool HPW3000 and completed Gas Generator (both High and Low Pressure systems) testing in January 2012.
Two basic systems were developed to drive the tape across the recording head: spool drive and capstan-drive. [ 11 ] [ 12 ] Most tape recorders move the tape by pinching and pulling it between a motorized capstan , a rotating metal shaft or spindle, and a larger rubber idler roller, called a pinch wheel or pinch roller .