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Worm-and-gear sets are a simple and compact way to achieve a high torque, low speed gear ratio. For example, helical gears are normally limited to gear ratios of less than 10:1 while worm-and-gear sets vary from 10:1 to 500:1. [45] A disadvantage is the potential for considerable sliding action, leading to low efficiency. [46]
The 2-10-2 's inherent problem was the low speed restriction on the type, which was about 35 mph (56 km/h). Further, the 2-10-2 had other inherent restrictions. The massive cylinders that were required on locomotives in the United States for high tractive effort had the result that no reasonably sized valves could admit and exhaust steam at a ...
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Prior to his disqualification, he had been in fourth place with a time of 9.80 seconds, the fastest fourth place in history. On 29 May 2016, former World Champion Kim Collins improved his personal record by running 9.93 +1.9 in Bottrop as a 40-year-old. He improved his own standing as the oldest man to break the 10-second barrier, the first ...
Logic Pro is a proprietary digital audio workstation (DAW) and MIDI sequencer software application for the macOS platform developed by Apple Inc. It was originally created in the early 1990s as Notator Logic, [2] or Logic, by German software developer C-Lab which later went by Emagic.
Image source: The Motley Fool. Polaris (NYSE: PII) Q4 2024 Earnings Call Jan 28, 2025, 11:00 a.m. ET. Contents: Prepared Remarks. Questions and Answers. Call ...
High-speed rail is the fastest and most efficient ground-based method of commercial transportation. However, due to requirements for large track curves, gentle gradients and grade separated track the construction of high-speed rail is more costly than conventional rail and therefore does not always present an economical advantage over ...