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Some electric locomotives can also operate off battery power to enable short journeys or shunting on non-electrified lines or yards.
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Some and electric
Some buildings have been aerodynamically designed so that convection via ducts and interior spaces eliminates any need for electric fans.
Some contemporary bluegrass bands favor the electric bass, because it is easier to transport than the large and somewhat fragile upright bass.
Some popular bands decided to anchor their sound with an upright bass instead of an electric bass.
Some of the earliest electric guitars adapted hollow bodied acoustic instruments and used tungsten pickups.
Some electric guitar and electric bass guitar models feature piezoelectric pickups, which function as transducers to provide a sound closer to that of an acoustic guitar with the flip of a switch or knob, rather than switching guitars.
Some Steinberger electric guitars, owing to their minimalist and lightweight design, have both strap buttons at the bottom of the body.
Some contemporary players of these modern electric harps, especially solid body and minimalist design instruments, have been able to add the advantage of movement on stage into their musical performance.
Some types of brushless DC electric motors use Hall effect sensors to detect the position of the rotor and feed that information to the motor controller.
Some musicians play electric mandolins through amplifiers.
Some switches are used to isolate electric power from a system, providing a visible point of isolation that can be padlocked if necessary to prevent accidental operation of a machine during maintenance, or to prevent electric shock.
Some vehicles can also be equipped with hydraulic or electric retarders which have an advantage of near silent operation.
Some of these early bulbs had such flaws as an extremely short life, high expense to produce, and high electric current drawn, making them difficult to apply on a large scale commercially.
Some variable nozzle turbochargers use a rotary electric actuator, which uses a direct stepper motor to open and close the vanes, rather than pneumatic controllers that operate based on air pressure.
Some electric power systems use the free-wheeling drive propeller to generate charge through the drive motor when sailing, but this system, including the design of the propeller and any gearing, cannot be optimised for both functions.
Some pollution and use of other energy sources are inevitable during these stages of the boat's life and electric boats are no exception.
Some regulators regard electric transmission to be a natural monopoly and there are moves in many countries to separately regulate transmission ( see electricity market ).
Some common instruments in the string family are guitar, sitar, rabab, electric bass, violin, viola, cello, double bass, banjo, mandolin, ukulele, bouzouki, and harp.
* Electric motors and generators: Some electric motors rely upon a combination of an electromagnet and a permanent magnet, and, much like loudspeakers, they convert electric energy into mechanical energy.
Some drafting tables incorporate electric motors to provide the up and down and angle adjustment of the drafting table surface.
Some manufacturers of residential cooking appliances now offer indoor grills for home use, either incorporated into a stovetop or as standalone electric devices.
Some fusion jazz groups use a lightweight, stripped-down electric upright bass rather than a double bass.
Some and locomotives
Some locomotives are designed specifically to work mountain railways, and feature extensive additional braking mechanisms and sometimes rack and pinion.
Some diesel / electric railroad locomotives use the electric motors to generate electricity which is then sent to a resistor bank and dumped as heat.
Some locomotives are fitted with automatic brakes that apply if the speed gets too high, preventing runaways.
Some of battery-electric locomotives used for maintenance trains on the London Underground are capable of this mode of operation.
Some engines, particularly medium-and large-capacity diesel engines built for industrial, marine, power generation, and heavy traction purposes ( large trucks, locomotives, heavy equipment etc.
Some furnaces have side fired burners, such as in train locomotives.
Some old diesel locomotives, which have been in service for many years without causing such interference, are exempted from EMC tests and are said to have acquired grandfather rights.
Some electric locomotives and most passenger-hauling diesel locomotives were also painted in Tuscan Red.
Some types of fireless locomotives are " fuelled " by pressurized air, rather than steam.
Some locomotives were designed to recycle exhaust steam by condensing it into feed water.
Some slugs have fuel tanks and serve as fuel tenders for the attached locomotives.
Some locomotives are equipped to use both overhead and third rail collection ( e. g. British Rail Class 92 ).
Some lines had steeple cab electric locomotives, box motors, or regeared interurban coaches that could pull two or more railroad freight cars which might result in good freight business eventually providing greater revenue than the passenger business.
Some interurbans owned heavy electric locomotives capable of handling longer trains.
Some 2-10-4 tank locomotives also existed in eastern Europe.
Some of the locomotives were fitted with the cylindrical Elesco feedwater heater before the smoke stack, while others used a Worthington unit with its rectangular box in the same location.
Some locomotives also entered Harbour Board service as previously owned.
Some locomotives are impossible to classify using Whyte notation, but UIC classification handles them easily.
Some of these trains were operated by Class 67 and Class 57 locomotives with four Mk2 coaches for a time.
Some minor rail operators such as RailPower have used the site to restore diesel locomotives to working order for main line use.
Some of the most important were a corrugated firebox for locomotives that resulted in a substantial increase in fuel efficiency plus a cylindrical styled tank car for the transport of bulk oil as well as a revolutionary type of locomotive tender.
Some of the locomotives used on this line later saw service on the Chemins de Fer du Calvados.
Some historical confusion is caused by the reusing of fleet numbers ( when locomotives were withdrawn, their numbers were reallocated ).
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