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Both calculate an approximation of the first natural frequency of vibration, which is assumed to be nearly equal to the critical speed of rotation. The Rayleigh–Ritz method is discussed here. For a shaft that is divided into n segments, the first natural frequency for a given beam, in rad/s , can be approximated as:
The whirling frequency of a symmetric cross section of a given length between two points is given by: = where: E = Young's modulus, I = second moment of area, m = mass of the shaft, L = length of the shaft between points.
Speed Dreams, is a free and open source 3D racing video game for Linux, Microsoft Windows, AmigaOS 4, AROS, MorphOS and Haiku.Started in 2008 as a fork of the racing car simulator TORCS, [2] it is mainly written in C++ and released under GPL v2+ and Free Art License, the most recent release being version 2.3.0 of March 2023.
TORCS (The Open Racing Car Simulator) is an open-source 3D car racing simulator available on Linux, FreeBSD, Mac OS X, AmigaOS 4, AROS, MorphOS and Microsoft Windows. TORCS was created by Eric Espié and Christophe Guionneau, but project development is now headed by Bernhard Wymann. [2] It is written in C++ and is licensed under the GNU GPL.
RPM Tuning, also titled Top Gear RPM Tuning and as Midnight Outlaw: Six Hours To Sun Up for Microsoft Windows, is a racing video game developed by French studio Babylon Software and published by Wanadoo Edition in 2004 for Windows, PlayStation 2 and Xbox. It is part of the Top Gear game series. A PlayStation 2 version was not released in North ...
Analysis shows that there are well-damped critical speed at lower speed range. Another critical speed at mode 4 is observed at 7810 rpm (130 Hz) in dangerous vicinity of nominal shaft speed, but it has 30% damping - enough to safely ignore it. Analytically computed values of eigenfrequencies as a function of the shaft's rotation speed. This ...
The RPM level that results with the spark timing being arrested can be a constant level, or, with the proper ignition control modules, variable. Variable rate ignition modules can be adjusted quickly and easily to achieve the appropriate RPM limit for different situations, such as street racing, drag racing, road course racing and highway driving.
CART Precision Racing tied with Baseball Mogul to win Computer Gaming World ' s 1997 "Sports Game of the Year" award. The editors wrote: "With state-of-the-art graphics, Internet play, and incredibly deep options that scale the game from novice play through hard-core realism, CART offers the spiffiest high-tech sports thrills of the year". [7]