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One is to reverse the locomotive's direction, e.g. when shunting. The other is to enable more fuel-efficient operation when the locomotive is running in a steady state: the throttle is set wide open and the power output is controlled by moving the reversing lever closer to its mid-point ("reducing the cut-off ") to limit the amount of steam ...
Parts books were often issued as microfiche, though this has fallen out of favour. Now, many manufacturers offer this information digitally in an electronic parts catalogue. This can be locally installed software, or a centrally hosted web application. Usually, an electronic parts catalogue enables the user to virtually disassemble the product ...
Most AICs are specializations in the geometric area. AICs did not exist back in 1994 when the first release of STEP got published. But when the 2nd generation of APs grows up it becomes clear that APs do not only share not only the IRs but also a lot of specializations. AICs are a big step towards AP interoperability. Part 501 - Edge-based ...
A stepper motor, also known as step motor or stepping motor, [1] is a brushless DC electric motor that rotates in a series of small and discrete angular steps. [2] Stepper motors can be set to any given step position without needing a position sensor for feedback. The step position can be rapidly increased or decreased to create continuous ...
The default Vector skin has a selection in the tools menu at the top-right for 'Printable version'. This printable version is often misunderstood, as it is not exactly a print preview. It does not show page numbers, headers and footers applied by your browser. For a proper print preview, use the one supplied by your browser.
A right-hand railroad switch with point indicator pointing to right Animated diagram of a right-hand railroad switch. Rail track A divides into two: track B (the straight track) and track C (the diverging track); note that the green line represents direction of travel only, the black lines represent fixed portions of track, and the red lines depict the moving components.
Aid climbing is a form of rock climbing that uses mechanical devices and equipment, such as aiders (or ladders), for upward momentum. [1] Aid climbing is contrasted with free climbing (in both its traditional or sport free climbing formats), which only uses mechanical equipment for protection, but not to assist in upward momentum.
A Petzl Croll with the gate closed, open and with a rope locked in place. A Petzl Croll is an ascending device [1] used in caving and industrial rope access made by the French company Petzl.