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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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N Scale Life Like RI Rock Island 775 Locomotive Train Engine
N Scale Life Like RI Rock Island 775 Locomotive Train Engine
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N Scale Atlas Great Northern 320A Train Locomotive Engine Car
N Scale Atlas Great Northern 320A Train Locomotive Engine Car
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USA TRAIN G SCALE EMD GP9 TRAIN ENGINE R22106 UNION PACIFIC COLLECTORS W SOUND
USA TRAIN G SCALE EMD GP9 TRAIN ENGINE R22106 UNION PACIFIC COLLECTORS W SOUND
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Lot N Scale Train Bachmann Life Like Model Power Cars Engine Buildings
Lot N Scale Train Bachmann Life Like Model Power Cars Engine Buildings
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LOT TRAIN JUNK YARD N SCALE GAUGE ENGINES LOCOMOTIVES WHEELS PARTS CAR PIECES
LOT TRAIN JUNK YARD N SCALE GAUGE ENGINES LOCOMOTIVES WHEELS PARTS CAR PIECES
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11 PRR N GAUGE TRAIN LOT WITH 1 ENGINE
11 PRR N GAUGE TRAIN LOT WITH 1 ENGINE
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n scale bachmann tgv turbo train  trolley and atlas 0 8 0 engine lot fix part
n scale bachmann tgv turbo train trolley and atlas 0 8 0 engine lot fix part
$38.00
Model kits Tomix N Gauge Thomas The Tank Engine Set Model Train 93705 SB
Model kits Tomix N Gauge Thomas The Tank Engine Set Model Train 93705 SB
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TOMIX N Gauge Thomas the Tank Engine Percy Set 93707 Train New Original
TOMIX N Gauge Thomas the Tank Engine Percy Set 93707 Train New Original
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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
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PECO HO scale Train Shed Locomotive Depot Engine Shed
PECO HO scale Train Shed Locomotive Depot Engine Shed
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Atlas49504 ERIE LACKAWANNA 1856 TRAIN MASTER DIESEL LOCOMOTIVE ENGINE
Atlas49504 ERIE LACKAWANNA 1856 TRAIN MASTER DIESEL LOCOMOTIVE ENGINE
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Vintage N Scale Diesel Locomotive Santa Fe Passenger Train Engine
Vintage N Scale Diesel Locomotive Santa Fe Passenger Train Engine
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46 Pc Bachmann  Tyco 18 Locomotive Engines  Box Cars Track HO Scale Train Lot
46 Pc Bachmann Tyco 18 Locomotive Engines Box Cars Track HO Scale Train Lot
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Life Like Model Train Set N Gauge 7 Trains Early 1970s Engine 3 Tankers Caboo
Life Like Model Train Set N Gauge 7 Trains Early 1970s Engine 3 Tankers Caboo
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Southern Pacific Train Engine 9725 Locomotive and Piggyback Collectibles
Southern Pacific Train Engine 9725 Locomotive and Piggyback Collectibles
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Tomix 93810 Thomas The Tank Engine with Annie  Clarabel N Gauge train pack BNIB
Tomix 93810 Thomas The Tank Engine with Annie Clarabel N Gauge train pack BNIB
$117.87
N SCALE CUSTOM AUTO TRAIN 4006 ROAD ENGINE
N SCALE CUSTOM AUTO TRAIN 4006 ROAD ENGINE
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3 HO Scale Life Like Burlington Northern Santa Fe  Bachman Engines Train 2428
3 HO Scale Life Like Burlington Northern Santa Fe Bachman Engines Train 2428
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Walthers N Scale Alco Diesel Locomotive 3050 7512 Blue Model Train Engine
Walthers N Scale Alco Diesel Locomotive 3050 7512 Blue Model Train Engine
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N SCALE LOCOMOTIVE STEAM ENGINE  TENDER TRAIN
N SCALE LOCOMOTIVE STEAM ENGINE TENDER TRAIN
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Vintage and rare Lima N scale train engine locomotive 3 Cars 204 G 319 308
Vintage and rare Lima N scale train engine locomotive 3 Cars 204 G 319 308
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N SCALE TRAIN CONRAIL GP40 DIESEL LOCOMOTIVE BACHMANN ENGINE 63556 3088 BOX
N SCALE TRAIN CONRAIL GP40 DIESEL LOCOMOTIVE BACHMANN ENGINE 63556 3088 BOX
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N SCALE TRAIN ATLAS JERSEY CENTRAL LOCOMOTIVE ENGINE TRAIN MASTER 49534 BOX
N SCALE TRAIN ATLAS JERSEY CENTRAL LOCOMOTIVE ENGINE TRAIN MASTER 49534 BOX
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VINTAGE BACHMANN N SCALE TRAIN ENGINE CHESSIE SYSTEM CO 7071
VINTAGE BACHMANN N SCALE TRAIN ENGINE CHESSIE SYSTEM CO 7071
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Lot Southern Pacific Train Engine 9725 Locomotive Car Collectible
Lot Southern Pacific Train Engine 9725 Locomotive Car Collectible
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N Gauge 15 car tanker train w BachmannDash 9 40 engines Runs great
N Gauge 15 car tanker train w BachmannDash 9 40 engines Runs great
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16 Piece N Gauge Train Lot Santa Fe Diesel Engine Cars Track Bachmann More
16 Piece N Gauge Train Lot Santa Fe Diesel Engine Cars Track Bachmann More
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Aurora Postage Stamp Steam Freight Train Donkey Switcher Engine 4710 Micro Gauge
Aurora Postage Stamp Steam Freight Train Donkey Switcher Engine 4710 Micro Gauge
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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
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4 4 0 N Scale Bachmann Train Engine Jupiter CPRR Union Pacific 119 Runs Smooth
4 4 0 N Scale Bachmann Train Engine Jupiter CPRR Union Pacific 119 Runs Smooth
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SINGLE STALL ENGINE HOUSE  883 N SCALE by Branchline trains
SINGLE STALL ENGINE HOUSE 883 N SCALE by Branchline trains
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VINTAGE HO MILWAUKEE ROAD 58500 RAILROAD TRAIN ENGINE ESTATE SALE TOP ONLY
VINTAGE HO MILWAUKEE ROAD 58500 RAILROAD TRAIN ENGINE ESTATE SALE TOP ONLY
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N SCALE TRAIN LOCOMOTIVE TENDER BACHMANN NORTHERN SANTA FE ENGINE 3780 TOY SALE
N SCALE TRAIN LOCOMOTIVE TENDER BACHMANN NORTHERN SANTA FE ENGINE 3780 TOY SALE
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Pikestuff N Scale Trains 541 8011 Diamond Tool Engineering Railroad Building Kit
Pikestuff N Scale Trains 541 8011 Diamond Tool Engineering Railroad Building Kit
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Southern Pacific Locomotive 9725 Mini Scale Train Engine In Box Collectible
Southern Pacific Locomotive 9725 Mini Scale Train Engine In Box Collectible
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Southern Pacific Train Engine 9725 Locomotive Train
Southern Pacific Train Engine 9725 Locomotive Train
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2 Southern Pacific Train Engines  9725 Locomotive With A Canister Car N Scale
2 Southern Pacific Train Engines 9725 Locomotive With A Canister Car N Scale
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Parts 3 HO Scale Life Like Santa Fe  Bachmann Engines Train Lot
Parts 3 HO Scale Life Like Santa Fe Bachmann Engines Train Lot
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LIONEL PEANUTS HALLOWEEN STEAM ENGINE TENDER REMOTE CONTROL train 30214 6 18789
LIONEL PEANUTS HALLOWEEN STEAM ENGINE TENDER REMOTE CONTROL train 30214 6 18789
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