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Train Engine

how dose a train engine work?

what i need to know is how a train engine work like the difference between how an electric train engine works and a diesel train engine works. And is there a school I could go to to learn this type of thing. Thank you.

Mark makes some good points.

Properly called a "diesel electric" loco, the diesel engine, called the "prime mover" turns a large alternator producing electricity. That electricity is fed to the traction motors hung from the axles of the drive wheels, which through a pinion on the motor and ring gear on the wheel causes the wheels to rotate.

The ratio between the ring and pinion determines the locomotive's top speed. The mos common ratio for freight locomotives is 62:15, yielding a top speed of 72 mph. Passenger locomotives are geared much higher. They can't pull as much tonnage, but their top speed is 80+ and up to 125 mph for traction operations in the Northeast commute corridors.

For a long time, diesel electric locos used Direct Current (DC) to power the traction motors. So it was necessary to have banks of rectifiers to convert the Alternating Current (AC) into DC to power the traction motors. Today, some traction motors do run on AC, so the rectifiers, which were inefficient are no longer needed for this new technology. There are many other benefits as well with regard to AC loco performance. I can sum it up in one word: Awesome.

Electric locomotives, usually referred to simply as "traction," get their power from overhead wires, the "catenary," which is brought to the locomotive through the "pantograph" on the top of the engine. Others run on what is referred to in the US as the "third rail." although many electrified locos utilize four rails. Two on which the trains runs, and two that supply the power.

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TOMIX 93706 Thomas the Tank Engine DX Set JAPAN N Scale train
TOMIX 93706 Thomas the Tank Engine DX Set JAPAN N Scale train
$170.39
Atlas Trains Delaware Hudson C420 Diesel Locomotive Engine N Scale 40000011
Atlas Trains Delaware Hudson C420 Diesel Locomotive Engine N Scale 40000011
$89.99
Atlas Trains Delaware Hudson C420 Diesel Locomotive Engine N Scale 40000111 B
Atlas Trains Delaware Hudson C420 Diesel Locomotive Engine N Scale 40000111 B
$89.99
Pikestuff N Scale Trains 541 8011 Diamond Tool Engineering Railroad Building Kit
Pikestuff N Scale Trains 541 8011 Diamond Tool Engineering Railroad Building Kit
$19.99
5 LIFE LIKE N GAUGE MODEL TRAINS SANTA FE ENGINE CABOOSE STOCK TANK BANGOR NOS
5 LIFE LIKE N GAUGE MODEL TRAINS SANTA FE ENGINE CABOOSE STOCK TANK BANGOR NOS
$49.00
VINTAGE TRAIN PHOTO Tracks Engine
VINTAGE TRAIN PHOTO Tracks Engine
$9.99
Electric Model Toy Trains Diesel Engine N Scale SD60 Norfolk Southern Locomotive
Electric Model Toy Trains Diesel Engine N Scale SD60 Norfolk Southern Locomotive
$154.97
N Scale Bachmann Santa Fe Commuter Train M 131 Engine Green Powered Runs Well
N Scale Bachmann Santa Fe Commuter Train M 131 Engine Green Powered Runs Well
$69.00
Walthers N Scale Alco Diesel Locomotive 3050 7512 Blue Model Train Engine
Walthers N Scale Alco Diesel Locomotive 3050 7512 Blue Model Train Engine
$63.54
Neals N Gauging Trains SS604 Single Stall Engine Shed
Neals N Gauging Trains SS604 Single Stall Engine Shed
$54.95
HUGE LOT 26 N Scale Train Cars Locomotive Engines AHM Atlas Bachmann Minitrix ++
HUGE LOT 26 N Scale Train Cars Locomotive Engines AHM Atlas Bachmann Minitrix ++
$55.00
LIONEL TRAIN 1120 SCALE F3 CLASSIC SERIES  AT  SANTA FE TOY ENGINE LOCO UNIT
LIONEL TRAIN 1120 SCALE F3 CLASSIC SERIES AT SANTA FE TOY ENGINE LOCO UNIT
$18.95
LIONEL TRAIN 1120 SCALE GP9 SERIES  SOUTHERN PACIFIC TOY ENGINE LOCO UNIT
LIONEL TRAIN 1120 SCALE GP9 SERIES SOUTHERN PACIFIC TOY ENGINE LOCO UNIT
$19.95
LIONEL TRAIN 1120 SCALE F3 CLASSIC SERIES  AT  SANTA FE TOY ENGINE LOCO UNIT
LIONEL TRAIN 1120 SCALE F3 CLASSIC SERIES AT SANTA FE TOY ENGINE LOCO UNIT
$14.99
CLASSIC FIRE DEPARTMENT with FIRE ENGINE N Scale Lot Mayhayred Trains
CLASSIC FIRE DEPARTMENT with FIRE ENGINE N Scale Lot Mayhayred Trains
$18.00
TOMIX 93811 Thomas the Tank Engine Train Percy 2 Car Set F S Tracking
TOMIX 93811 Thomas the Tank Engine Train Percy 2 Car Set F S Tracking
$79.00
Atlas N Gauge Train engine and parts lot Baltimor and Ohio Erie Lackawanna
Atlas N Gauge Train engine and parts lot Baltimor and Ohio Erie Lackawanna
$26.00
BACHMANN 3233 ENGINE LOCOMOTIVE + PENNSYLVANIA COAL TENDER CAR N SCALE TRAIN RR
BACHMANN 3233 ENGINE LOCOMOTIVE + PENNSYLVANIA COAL TENDER CAR N SCALE TRAIN RR
$124.99
MICRO TRAINS WESTERN TRAIN SET INCLUDES ATLAS ENGINE 4 CARS MIB N SCALE
MICRO TRAINS WESTERN TRAIN SET INCLUDES ATLAS ENGINE 4 CARS MIB N SCALE
$165.00
TOMIX 93811 Thomas the Tank Engine Train Percy 2 Car Set N Scale SC Ruffey JP
TOMIX 93811 Thomas the Tank Engine Train Percy 2 Car Set N Scale SC Ruffey JP
$124.98
SINGLE STALL ENGINE HOUSE  883 N SCALE by Branchline trains
SINGLE STALL ENGINE HOUSE 883 N SCALE by Branchline trains
$55.98
lot of N scale train cars and union Pacific engine parts or repair 2 good
lot of N scale train cars and union Pacific engine parts or repair 2 good
$7.24
NEW TOMIX 93811 Thomas the Tank Engine Train Percy 2 Car Set F S Tracking
NEW TOMIX 93811 Thomas the Tank Engine Train Percy 2 Car Set F S Tracking
$83.90
Micro Trains Reading SW1500 Switcher Engine N Scale Trains 98600062
Micro Trains Reading SW1500 Switcher Engine N Scale Trains 98600062
$129.95
Micro Trains Nn3 Colorado  Southern B 3 C Mogul 2 6 0 Steam Engine In Box
Micro Trains Nn3 Colorado Southern B 3 C Mogul 2 6 0 Steam Engine In Box
$300.00
Southern Pacific Train Engine 9725 Locomotive Train
Southern Pacific Train Engine 9725 Locomotive Train
$11.99
TOMIX 93811 Thomas the Tank Engine Train Percy 2 Car Set F S Trackingjpy
TOMIX 93811 Thomas the Tank Engine Train Percy 2 Car Set F S Trackingjpy
$82.90
LOT OF 5 TRAINS SHELL CAR NH 653 ATSF 07044 SANTA FE ENGINE AUSTRIA ENGINE PA
LOT OF 5 TRAINS SHELL CAR NH 653 ATSF 07044 SANTA FE ENGINE AUSTRIA ENGINE PA
$59.65
Athearn 23717 N Scale Cal Train F59PHI Engine 92 Boxed
Athearn 23717 N Scale Cal Train F59PHI Engine 92 Boxed
$22.22
BANDAI B Train Shorty igawa Railway Thomas the Tank Engine No passenger c
BANDAI B Train Shorty igawa Railway Thomas the Tank Engine No passenger c
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Kato N Scale Trains 102 Northern Pacific EMD NW2 Diesel Switcher Engine 1764371
Kato N Scale Trains 102 Northern Pacific EMD NW2 Diesel Switcher Engine 1764371
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N Scale Railroad Train Engine 0273 G Rapido Arnold Germany w Original Box RARE
N Scale Railroad Train Engine 0273 G Rapido Arnold Germany w Original Box RARE
$29.99
Trix Western Germany N Scale train track  junk parts locomotive steam engine
Trix Western Germany N Scale train track junk parts locomotive steam engine
$10.29
BACHMAN VINTAGE HO SCALE 866 UNION PACIFIC TRAIN ENGINE  CARS
BACHMAN VINTAGE HO SCALE 866 UNION PACIFIC TRAIN ENGINE CARS
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Misc N GaugeAtlasTrain Tracks Cut Stone Tunnel Train Whistle
Misc N GaugeAtlasTrain Tracks Cut Stone Tunnel Train Whistle
$14.95
Vintage N Scale Metal Train Engine Black Not Marked
Vintage N Scale Metal Train Engine Black Not Marked
$5.99
Slick Liquid Lube Bearings For Train Oil AIM Etc Model Engine Synthetic Genuine
Slick Liquid Lube Bearings For Train Oil AIM Etc Model Engine Synthetic Genuine
$10.95
N SCALE MINITRIX STEAM ENGINE W WORK TRAIN CARS 60S
N SCALE MINITRIX STEAM ENGINE W WORK TRAIN CARS 60S
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NOS NEW Lone Star TREBLE O TRAINS Union Pacific Diesel Engine N 000 1960s Lot5
NOS NEW Lone Star TREBLE O TRAINS Union Pacific Diesel Engine N 000 1960s Lot5
$17.95
Kato Bachmann Atlas Amtrak  engine and observation cars Parts N scale train
Kato Bachmann Atlas Amtrak engine and observation cars Parts N scale train
$10.50


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