In an effort to maintain a consistency of terminology between this unit and the other General Electric units (as well as other manufacturer's units) in the fleet, the front of this unit will be called "short hood" (marked with an F) and the rear of this unit will be called "long hood". EMD SD70ACe DCC/Sound NS New York Central Heritage #1066 - Paragon 3 DCC/Sound Equipped, Highly Detailed ABS Body, Die-Cast Frame for Maximum Tractive Effort, ROLLING THUNDER TM w/ Authentic Sounds and Prototypical Operation in DC & DCC, Integral DCC Decoder with Back EMF, Precision Drive Mechanism for Heavy Load & Slow Speed Operation, Premium Caliber Painting w/ Authentic Paint Schemes. CSX has some 200 units on or coming onto its roster, while Iowa Interstate ordered 14 units. es44ac The ES44AC ( E volution S eries, 44 00 HP, AC traction) replaces the AC4400CW model in GE's range. Because the wheels could better follow the curve of the track, the locomotive was able to transmit more of its tractive effort to the rails. 4-6-6-4 Challenger DCC/Sound Union Pacific #3985 Excursion Locomotive w/Oil Tender, Black & Graphite - Paragon 3 & Rolling Thunder DCC/Sound Equipped, Die Cast Body with Heavy Die Cast chassis for Maximum Tractive Effort, Die Cast Tender, Operating Metal Coupler, Separately Applied Handrails, Ladders, Whistle, and Brass Bell, Operating Cab Roof Vents, Traction tire equipped, Synchronized. A locomotive with 0 KN of tractive effort and one with 50,000 KN of tractive effort have the same acceleration curve. Broadway Limited is excited to release its most modern diesel locomotive ever — The GE ES44AC. , and the radius of the wheel (1/2 the diameter). CSXT 833 (GE ES44AC) and CSXT 583 (GE AC44CW) lead the eastbound freight SEPO (Pan Am Railways) through North Chelmsford, Massachusetts, en route to South Portland, Maine. The Tractive Effort estimation formula, which I found in a paper from Virginia Tech University. Same goes with GE - The AC4400 is rated at 4390HP, the ES44AC/ET44AC at 4365HP yet they are rated at 121,000lbs. The Evolution Series 4400HP DC Traction locomotive is part of GE Transportation Systems line of diesel locomotives that were built to meet the EPAs 2005 Tier 2 locomotive emissions standards. That is for a single locomotive. Many can be seen on UP, CSX, Norfolk Southern and Canadian National railroads with features specific to each road. The first pre-production units were built in 2003. Union Pacific ordered many of their AC4400CWs with Computerized Tractive Effort software, giving them the designation of AC4400CW-CTE. As locomotive weight and friction coefficient determine tractive effort and horsepower determines speed I do understand the tonnage rating and the tonnage or tractive effort rating per powered axle. The AC4400CW was the first GE locomotive to offer an optional self-steering truck design, intended to increase adhesion and reduce wear on the railhead. Conversely, if the HUD ammeter reads "-34. GP60 1908, SD70M 4045 and freshly painted ES44AC 6794 sit outside the UP Jenks shops. The N-ViroMotive is the first design innovation over the single engine prime mover, which was developed in the 1950s. GE Evolution Series ES44AC Locomotives From Wikipedia, the free encyclopedia The Evolution Series is a line of diesel locomotives built by GE Transportation Systems , initially designed to meet the U. Norfolk Southern also is experimenting with converting their Dash 9-44CW units to A. The drawbar pull (DBP) of a locomotive is its actual pulling ability; it is the tractive effort less the effort necessary to move the locomotive itself. See here:  GE ES44C4. The latest AC products from both EMD and GE, the SD70ACe and ES44AC, respectively, have similar starting and continuous tractive effort capabilities (which may be further enhanced with special adhesion control systems): both in the range of 180,000 - 190,000 lbs starting and 160,000 lbs continuous. TRACTIVE EFFORT AND TRAIN RESISTANCE. with 20,000 lbs. , #900 on the Lake Superior Railroad Museum page of this website. What does ACCTE stand for? CTE = Unit is equipped with a feature called Controlled Tractive Effort. ) due to having thick metal plating underneath the frame (reminiscent of CSX's "Phase 2" SD70MAC units), with the addition of having a radial truck or bogey model/style meant to give an additional amount of wheel adhesion, tractive effort. are just some of the many factors. But AC4400 have more tractive effort from start (30 % stronger) but in higher speed so they are equally strong. CSX has some 200 units on or coming onto its roster, while Iowa Interstate ordered 14 units. The “special duty” SD45, a 3600-HP prime mover with a V-20 engine and six-axle trucks for superior tractive effort, embodied the latest and greatest technological advances of its day. Options: Steerable Trucks, Controlled Traction Effort--Reference Sources: TRAINS Special Issue Locomotives, November 2006 TRAIN, September 1999 Diesel Locomotives, by Greg McDonnell Model Railroader, November 2004 GE Transportation Group, 2007 Archives. The "H" in ES44AH stands for "heavy", which is in reference to a combination of subsystems that produce high levels of tractive effort at low speeds. The ES44AC is available in a few variants to meet specific customers’ needs. In the new century, new generation GEVO GEs began to appear on the scene such as the ES44DC and ES44AC. In comparison, GE's modern high-tech ES44AC Gevo 4,400-hp diesel-electric, with its alternating current traction motors and radial steering trucks, weighs in at 432,000 pounds and is rated at a starting tractive effort of 180,000 pounds and a continuous tractive effort of 145,000 pounds. Tractive effort is largely a function of the horsepower from the primary diesel generator (aka prime mover), the locomotive’s weight, and the adhesion at the wheel-rail interface. For example locomotives with smaller driving wheels will have a higher tractive effort than a locomotive with larger driving wheels but the same sized boiler. Tractive effort 126,000 pounds-force (560,000 N ) The NRE 2GS36C-DE is a low-emissions six-axle diesel-electric road switcher locomotive built by National Railway Equipment Company. The BNSF ES44C4's are 4400HP motors are only rated at 105,000lb effort. It's less than half the weight of a locomotive. The tractive effort is used to haul a train. 40,000 lb (18,000 kg) for an F7 with 65 mph (105 km/h) gearing, compared to 32,500 lb (14,700 kg) for an F3 with the same gearing. A constant variety of engines and different stages of work, makes the Jenks shops an interesting place to see diesel engines. Union Pacific ordered many of their AC4400CW's with Computerized Tractive Effort software, giving them the designation of AC4400CW-CTE. ES44C4 - A1A-A1A trucked version (only 4 powered axles), so far only owned by BNSF Railway and Florida East Coast Railway. Although mechanically similar to earlier SD70 units, the SD70ACe rides on a new underframe and uses mostly new sheet metal above the frame. Good Day, Union Pacific’s ES44AC are labeled as C45ACCTE. Get the best deals on MTH HO Scale Model Railroad Locomotives with Sound Function when you shop the largest online selection at eBay. Opposite Direction Braking (OBD) Mode: If the backwards speed were to exceed 4. On point is UP 5488, a General Electric ES44AC, one of 141 such locomotives manufactured between 2005 and 2006 with 4,400 hp -- and labeled a C45ACCTE (the CTE for "Controlled Tractive Effort") by the Union Pacific. The GE AC4400CW is a 4,400 horsepower (3,300 kW) diesel-electric locomotive that was built by GE Transportation Systems between 1993 and 2004. The GE ES44AC is still in use today serving the entire nation through a variety of hauling tasks including traffic resulting from the Ethanol mandate. More power does not mean more load. The Evolution Series 4400HP DC Traction locomotive is part of GE Transportation Systems line of diesel locomotives that were built to meet the EPAs 2005 Tier 2 locomotive emissions standards. Part of the Ecomagination-certified Evolution Series, the ET44AC locomotive is designed to meet Tier 4 emissions standards by reducing emissions by 70% below Tier 3 requirements. That sounds like a lot, but that's not even as much as the weight of a loaded coal car. This train originated in. DIESEL LOCOMOTIVES GE ES44AC (DCC SOUND VALUE-EQUIPPED) Performs best on 22" radius curves or greater. There are GP40-2 and SD40-2. Evolution Series locomotives are equipped with either AC or DC traction motors, depending on the customer's. And, with two less traction motors which reduced the purchase price. Locomotivas Belo Horizonte - MG 2011 Pontifcia Universidade Catlica de Minas Gerais IEC - Instituto de Educao Continuada Mecnica de Locomotivas Elaborado por: Jos Luiz Borba Coordenadores do Programa: Jos Heleno Ferracioli Nunes Paulo C. Re: What is the point of the GE ES44C4? by TrainWatcher » Sun Aug 12, 2012 3:59 am To be honest, the original A1A design really makes sense and with the newer technologies that are coming within railroad technology, you can take an old stand-by design and really add to it to make it more cost effective on a newer six axle truck design. The AH is an update of the standard ES44AC, with extra weight and tweaked wheelslip software added to squeeze out more tractive effort. How is accounted for this. The locomotives are workhorses at 4,365 tractive horsepower and feature a 5,300-gallon fuel tank and GEVO 12 engine. Broadway Limited is excited to release its most modern diesel locomotive ever — The GE ES44AC. They are rated at 157,000 lbf (700 kN) continuous tractive effort (191,000 lbf (850 kN) starting). The "H" in ES44AH stands for "heavy", which is in reference to a combination of subsystems that produce high levels of tractive effort at low speeds. Production commenced in late 1992 and since then over 4,000 units have been produced; most of these are the SD70M and SD70MAC models. See here:  GE ES44C4. Buy GE ES44AC w/Sound & DCC - Paragon3 -- Norfolk Southern #8101 (Central of Georgia Heritage Scheme, blue, gray): Diesel - Amazon. That's an extra 21,000 lbs of tractive effort (A nearly 14% increase) and obviously something that the customers view as a worthwhile addition in certain applications like coal service in mountainous territories where maximum tractive effort is king. EPA 's Tier 2 locomotive emissions standards that took effect in 2005. extra weight to increase tractive effort. Broadway Limited N Scale GE ES44AC Sound/DC/DCC, Paragon3 Norfolk Southern (Norfolk & Western) #8103 Paragon3 Norfolk Southern (Norfolk & Western) #8103 Before shipping, Loco tested on DC and DCC power system. com detailed unit-by-unit roster of the currently active units in the Norfolk Southern EMD SD70ACe 1000-1174 series. The amount of starting tractive effort is equal to that of the 6,000 hp SD90MAC-H while, on the other hand, its continuous tractive effort is higher than that of the SD90MAC-H (175,000 lbf. GP60 1908, SD70M 4045 and freshly painted ES44AC 6794 sit outside the UP Jenks shops. CSX has some 200 units on or coming onto its roster, while Iowa Interstate ordered 14 units. It raises the continuous tractive effort from 145,000 lbs in a ES44AC ballasted to 416,000 lbs to 166,000 lbs in one ballasted to 432,000 pounds. Listed below are the N scale items we are planning to produce. Many can be seen on UP, CSX, Norfolk Southern and Canadian National railroads with features specific to each road. Broadway Limited N Scale GE ES44AC Sound/DC/DCC, Paragon3 Norfolk Southern (Pennsylvania) #8102. The “special duty” SD45, a 3600-HP prime mover with a V-20 engine and six-axle trucks for superior tractive effort, embodied the latest and greatest technological advances of its day. Apostila da Petrobras- Noções de Perfuração e Completação - Alfonso Silva e Joao Calmeto - 1366_AS059 (1). To do this we will use the maximum tractive effort calculated in equation 9 which was 100 lbs. Description. A train consists of 3 General Electric ES44AC locomotives and 100 coal cars. Get the best deals on MTH HO Scale Model Railroad Locomotives with Sound Function when you shop the largest online selection at eBay. For the cars in the curve, the tractive effort required is 0. LEGACY SD-70ACe Toy pdf manual download. The ES44AC is available in a few variants to meet specific customers' needs. That sounds like a lot, but that's not even as much as the weight of a loaded coal car. These locomotives have been ordered by Union Pacific Railroad (who refer to these locomotives as the AC45CCTE) BNSF Railway,Norfolk Southern Railway,Kansas City Southern, Kansas City Southern de Mexico, Ferromex, and Canadian Pacific. The GE AC4400CW is a 4,400 horsepower (3,300 kW) diesel-electric locomotive that was built by GE Transportation Systems between 1993 and 2004. The maximum permissible traction force that can be applied to the wheels is governed by two things: the weight of the vehicle and the adhesion coefficient. A constant variety of engines and different stages of work, makes the Jenks shops an interesting place to see diesel engines. Here's a sneak peek at the General Electric AC4400CW with 3d cab views and sounds, estimated for summer 2015 release. ABS Body with Die Cast chassis for Maximum Tractive Effort (2) Operating MicroTrains #1015 or Compatible Couplers Separately Applied Handrails, Ladders, Whistle, and Brass Bell. The items analyzed are: starting tractive effort, adherent weight, adhesion, power required and power supply, coupling, multiple traction, brake system, interoperability, comfort and safety of the driver, signalling, noise, emissions and energy efficiency among others. The GE ES44AC, ES44C4 and ES44DC / ES40DC locomotives offer their customers a consept rarely seen before. In 1911, Great Northern purchased the first of more than 200 3000-series Class O 2-8-2 Mikados with 61,500 pounds of tractive effort. [8] Although mechanically similar to earlier SD70 units, the SD70ACe rides on a new underframe and uses mostly new sheet metal above the frame. Two, yes two ES44AC's can pull an 85 car 7,000 ton freight south over Ridge and maintain about 13 mph. It's less than half the weight of a locomotive. At the present time, mainline American railroads generally maintain dual fleets of locomotives. These are some of the images that we found within the public domain for your "Ge Es44ac Drawings. This locomotive is designed to have easily controlled tractive effort build–up characteristics, with the tractive effort in each notch limited to definite values as the Combined Power Handle is. 2 ES44AC units where delivered in early 2010. ES44C4 - A1A-A1A trucked version (only 4 powered axles), so far only owned by BNSF Railway and Florida East Coast Railway. Get the best deals on MTH HO Scale Model Railroad Locomotives with Sound Function when you shop the largest online selection at eBay. The "H" in ES44AH stands for "heavy", which is in reference to a combination of subsystems that produce high levels of tractive effort at low speeds. Also for: Es44ac, Genset diesel locomotive, Gp-7. The latest AC products from both EMD and GE, the SD70ACe and ES44AC, respectively, have similar starting and continuous tractive effort capabilities (which may be further enhanced with special adhesion control systems): both in the range of 180,000 - 190,000 lbs starting and 160,000 lbs continuous. The GE ES44AC is still in use today serving the entire nation through a variety of hauling tasks including traffic resulting from the Ethanol mandate. The GE ES44AC is still in use today serving the entire nation through a variety of hauling tasks including traffic resulting from the Ethanol mandate. To do this we will use the maximum tractive effort calculated in equation 9 which was 100 lbs. 2554 (GE designation ES44AC-H) is the third unit on a westbound stack train on the Sunset Route near Gila Bend, AZ on 9/12/2019. Full compatibility with DLC's specific pre-existing LUA scripting. 97% Upvoted. Currently, six different Evolution Series models have been produced for the North American market. Otherwise it can be a bit too easy to push freight cars off the outside of tight curves when pushing hard on the rear of trains. I can say that AC units do have a better job then DC units. Get the best deals on MTH HO Scale Model Railroad Diesel Locomotives when you shop the largest online selection at eBay. A boiler's steaming capacity (grate area and heating surface area) dictates horsepower and the boiler pressure, driving wheel and cylinder size dictates tractive effort. 516 is painted in a Rock Island inspired 30th anniversary paint scheme. 4-6-6-4 Challenger DCC/Sound Union Pacific #3985 Excursion Locomotive w/Oil Tender, Black & Graphite - Paragon 3 & Rolling Thunder DCC/Sound Equipped, Die Cast Body with Heavy Die Cast chassis for Maximum Tractive Effort, Die Cast Tender, Operating Metal Coupler, Separately Applied Handrails, Ladders, Whistle, and Brass Bell, Operating Cab Roof Vents, Traction tire equipped, Synchronized. Conversely, if the HUD ammeter reads "-34. Model Railroad Forums. The tractive effort of a locomotive (whether AC or DC) is defined by the equations: Tractive effort = Weight on drivers x Adhesion Adhesion = Coefficient of friction x Locomotive adhesion variable The friction coefficient between wheel and rail is usually in the range of. 3541 GE ES44AC, NS #8130, Black & White, Paragon3 Sound/DC/DCC, N. I caught this photo in Gold Run, of a GE C44ACCTE -- UP's description of an AC-driven General Electric unit with 4,400 hp, possessing CTE or Controlled Tractive Effort. At the present time, mainline American railroads generally maintain dual fleets of locomotives. A locomotive with 0 KN of tractive effort and one with 50,000 KN of tractive effort have the same acceleration curve. Each locomotive weighs 432,000 pounds and provides a starting tractive effort of 183,000 pounds. AC power is used for heavy coal hauling and hotshot intermodal traffic because AC traction motors offer higher starting tractive effort with the same horsepower. Broadway Limited is excited to release its most modern diesel locomotive ever -- The GE ES44AC. this means that as a traction motor rotates it builds up a counter voltage which acts in. The Tractive Effort estimation formula, which I found in a paper from Virginia Tech University. The "H" in ES44AHstands for "high", which is in reference to a combination of subsystems that produce high levels of tractive effort at low speeds. The GE ES44AC is still in use today serving the entire nation through a variety of hauling tasks including traffic resulting from the Ethanol mandate. the first unit, (8900) is still being tested. Each coal car weighs 286,000 pounds. Intermountain Citirail ES44AC review. In 1911, Great Northern purchased the first of more than 200 3000-series Class O 2-8-2 Mikados with 61,500 pounds of tractive effort. Hp/tt I have comprehension issues. 9 miles per hour (22. These units are weighted to 432,000 lbs compared to the usual 415,000 lbs. The tractive effort is used to haul a train. Since we have a formula for calculating train weight based on horsepower, we can sort of calculate the rolling resistance for a boxcar given that a ES44AC generates 4000 horsepower and can move approximately 25 100 ton freight cars: as given here, a ES44AC has 183,000 pounds of starting tractive effort (starting from rest, so considering static. The Evolution Series 4400HP DC Traction locomotive is part of GE Transportation Systems line of diesel locomotives that were built to meet the EPAs 2005 Tier 2 locomotive emissions standards. Locomotivas Belo Horizonte - MG 2011 Pontifcia Universidade Catlica de Minas Gerais IEC - Instituto de Educao Continuada Mecnica de Locomotivas Elaborado por: Jos Luiz Borba Coordenadores do Programa: Jos Heleno Ferracioli Nunes Paulo C. 513 is painted in a Chicago, Rock Island and Pacific Railroad scheme; it was a predecessor to the Iowa Interstate Railroad. At the end of the day though, it doesnt matter what they look like or whos opinion unless you are Warren Buffet, but what will pull the best and from ACTUAL and FACTUAL first hand experience in a hard pull the ES44AC will develop 11-14 Klbs more tractive effort than everyone's beloved ACe. Braking effort is rated at 106,000 lbf (470 kN). The GE ES44AC, ES44C4 and ES44DC / ES40DC locomotives offer their customers a consept rarely seen before. It takes a feedback controller to tightly control the voltage, current, and phase angle between them to get there. Determine the acceleration of the train on a level track. [16] 3 ES44AC units were delivered in 2015, numbered 514-516. Re: What is the point of the GE ES44C4? by TrainWatcher » Sun Aug 12, 2012 3:59 am To be honest, the original A1A design really makes sense and with the newer technologies that are coming within railroad technology, you can take an old stand-by design and really add to it to make it more cost effective on a newer six axle truck design. Here's what I really don't understand. The BNSF ES44C4's are 4400HP motors are only rated at 105,000lb effort. At a rating of 175,500 pounds starting and 137,000 pounds continuous the SD70 offers a 40%-60% increase in tractive effort over the SD60 model making it ideal for heavy drag service. 4-6-6-4 Challenger DCC/Sound Union Pacific #3985 Excursion Locomotive w/Oil Tender, Black & Graphite - Paragon 3 & Rolling Thunder DCC/Sound Equipped, Die Cast Body with Heavy Die Cast chassis for Maximum Tractive Effort, Die Cast Tender, Operating Metal Coupler, Separately Applied Handrails, Ladders, Whistle, and Brass Bell, Operating Cab Roof Vents, Traction tire equipped, Synchronized. In order to be classified as an "AH" by CSX, a locomotive has to have not only an increased nominal weight (currently to 432000lb), but also (1) steerable trucks, (2) TM3 adhesion control software, (3) software that extends to 33000lbf from 30000lbf the maximum amount of tractive effort that each traction motor is permitted to produce, and (4. Probably. The Evolution Series 4400HP DC Traction locomotive is part of GE Transportation Systems line of diesel locomotives that were built to meet the EPAs 2005 Tier 2 locomotive emissions standards. Changed HUD ammeter function so that it displays tractive/braking effort in thousands of pounds. 516 is painted in a Rock Island inspired 30th anniversary paint scheme. Wheelslip and Slip Power Limitation simulation that reduces tractive effort output and applies sand in order to regain traction. The "H" in ES44AH stands for "heavy", which is in reference to a combination of subsystems that produce high levels of tractive effort at low speeds. To move any object, a force must be applied to overcome the resistance or inertia of the resting object. To do this we will use the maximum tractive effort calculated in equation 9 which was 100 lbs. Thus, making their exclusive ES44AC variant known as the "ES44AH" (the "H" meaning, "heavy", "high", or "High Tractive Effort"), which is considerably heavier compared to other units of the latter (weighed at 432,000 lbs. I think these features and this designation were first applied to UP's later production General Electric AC4400 models and were carried over to the ES44 series when UP acquired. SD-70ACe Diesel Locomotive. A Third Generation steam locomotive in the form of a five cylinder, 2-8-8-2 could match the performance of an ES44AC. With a car, the battery adds weight which is counterproductive. The UP SSI (System Special Instructions) says units are limited to 110K in tractive effort when in CTE. 8) to estimate 0. I was an engineer with Union Pacific for three years, and now I work in a Coal Mine, having started out as a haul truck driver. See Wikipedia for more info. Tractive Effort. GER/LNER/BR Class N7 0-6-2T. Not many of the Alco HH series have been preserved. Sometime between 2012 and 2013, BNSF experimented with LNG (liquified natural gas) for testing and evaluation purposes as an alternative to diesel fuel (similar to the BN's light natural gas tests from the 1990s). Currently, six different Evolution Series models have been produced for the North American market. 40,000 lb (18,000 kg) for an F7 with 65 mph (105 km/h) gearing, compared to 32,500 lb (14,700 kg) for an F3 with the same gearing. GE has been able to reduce cylinders, improve the electrical gear and keep the tractive effort the same. [1] It offers Tier III emissions compliance. It's no secret that tractive effort is the main (or only) force that locomotives use to push or pull rolling stock. buildmodel=AC4400CW aarwheels = C-C poweroutput=4,400 hp builddate=1993 – 2004 totalproduction=2,598 locale= North America The GE AC4400CW is a 4,400 horsepower diesel-electric locomotive built by GE Transportation Systems between 1993 and 2004. GE first launched the AC4400CW in 1993 as a successor to the Dash 9-44CW series to tackle heavy freight service. 516 is painted in a Rock Island inspired 30th anniversary paint scheme. SD locos have 6 axles, with correspondingly higher starting tractive effort, GP locos have 4 and are presumably better suited for high speed. this means that as a traction motor rotates it builds up a counter voltage which acts in. The "H" in ES44AH stands for "high", which is in reference to a combination of subsystems that produce high levels of tractive effort at low speeds. Browse your favorite brands affordable prices free shipping on many items. CSX began receiving an order of 200 ES44AC's (referred to by CSX as the ES44AH) in December 2007. Since we have a formula for calculating train weight based on horsepower, we can sort of calculate the rolling resistance for a boxcar given that a ES44AC generates 4000 horsepower and can move approximately 25 100 ton freight cars: as given here, a ES44AC has 183,000 pounds of starting tractive effort (starting from rest, so considering static. The GE ES44AC is still in use today serving the entire nation through a variety of hauling tasks including traffic resulting from the Ethanol mandate. Broadway Limited is excited to release its most modern diesel locomotive ever — The GE ES44AC. And, with two less traction motors which reduced the purchase price. 516 is painted in a Rock Island inspired 30th anniversary paint scheme. A train consists of 3 General Electric ES44AC locomotives and 100 coal cars. Conversely, if the HUD ammeter reads "-34. Centers have grown to monitor more than 17,000 locomotives worldwide Improves locomotive reliability and availability by more than 20 percent ERIE, PA – DECEMBER 6, 2018 — GE Transportation (NYSE: GE) marked the 20-year anniversary of its best kept secret, the Global Performance Optimization Center. How is accounted for this. Operating in full dynamics, NS ES44AC #8062 provides extra breaking to safely get train 810 downhill to Kellysville as it whines across the Ingleside trestle. Broadway Limited. EPA 's Tier 2 locomotive emissions standards that took effect in 2005. GE Transportation has invested $600M in the Evolution Series since its introduction in 2005 and is the first supplier of Tier 4 locomotives for Class 1 railroads. 3 X 180 ton = 48 ton ~ 480 kN. (Rumored to be either for sale or scrapped. The GE ES44AC is still in use today serving the entire nation through a variety of hauling tasks including traffic resulting from the Ethanol mandate. ABS plastic body with heavy die cast chassis for maximum tractive effort Single unit pulls equivalent of 60 freight cars on level surface 5-pole can motor with skew wound armature Locomotive Length (coupler to coupler): 10 inches Locomotive Weight: 1 lb 10 oz Separately Applied Handrails, Ladders, Whistle, and Brass Bell. The Evolution Series, mainly the ES44DC, ES44AC, and ET44AC, are some of the best-selling and most successful freight locomotives in United States history, far surpassing EMD's output. Intermountain Citirail ES44AC review. In order to be classified as an "AH" by CSX, a locomotive has to have not only an increased nominal weight (currently to 432000lb), but also (1) steerable trucks, (2) TM3 adhesion control software. I can say that AC units do have a better job then DC units. I think this is due to lack of tractive effort (wheel slip) more than motor performance. Tractive effort is the limiting factor, not the power of the motor. Buy Broadway Limited 3552 N Scale UP AMERICA ES44AC #8104 at Walmart. as opposed to the usual 415,000 lbs. ES44AH (C45AH) The "H" in ES44AH stands for "heavy", which is in reference to a combination of subsystems that produce high levels of tractive effort at low speeds. There are many other examples of this. 6 ET44AC/ET44C42 Identifying features 3 Operators 4 Export sales 5 Licensed production 6 Images 7 See also 8 References8. The Evolution Series 4400HP DC Traction locomotive is part of GE Transportation Systems line of diesel locomotives that were built to meet the EPAs 2005 Tier 2 locomotive emissions standards. 4 MPH the control system will automatically apply full Dynamic Braking effort to resist rolling back. In an effort to maintain a consistency of terminology between this unit and the other General Electric units (as well as other manufacturer’s units) in the fleet, the front of this unit will be called “short hood” (marked with an F) and the rear of this unit will be called “long hood”. Norfolk Southern purchased 24 units, receiving the first of its allotment in 2008. Max tractive effort is effected by the weight of the locomotive, number of powered wheels and gearing, not just its power. The ES44AC is available in a few variants to meet specific customers’ needs. 8 mg so that a 1000-Kg vehicle with all-wheel drive would have a drawbar pull of 7848 Newtons. It is similar to the Dash 9-44CW, but features AC traction motors instead of DC, with a separate inverter per motor. Browse our daily deals for even more savings! Free shipping on many items!. The tractive effort required to move a train consists of numerous factors, but for most applications only four need to be considered. RE: Better tractive effort? Most RRs have a computer limitation on the AC44 and ES44AC to limit starting tractive effort to 180,000 pounds (some may be lower). The Evolution Series 4400HP DC Traction locomotive is part of GE Transportation Systems line of diesel locomotives that were built to meet the EPAs 2005 Tier 2 locomotive emissions standards. However, it offered much more tractive effort; 183,000 pounds starting and 166,000 continuous. The National New York Central Museum in Elkhart, IN, is home to historic equipment from the NYC manuals sitemap roster links Founded in 1987, the National New York Central Museum occupies a site on S Main St opposite the Amtrak station in downtown Elkhart, IN, a town that was to become a vital link in the east-west expansion of US railroads. are just some of the many factors. On the F7, this is 56,500lbs. A constant variety of engines and different stages of work, makes the Jenks shops an interesting place to see diesel engines. O "CTE" (Controlled Tractive Effort) suffix commonly refers to units owned by the UP which have updated/upgraded CTE software for its on-board microcomputer. This locomotive is designed to have easily controlled tractive effort build-up characteristics, with the tractive effort in each notch limited to definite values as the Combined Power Handle is. 45 for relatively clean, dry rail in reasonable condition and is. The "H" in ES44AHstands for "high", which is in reference to a combination of subsystems that produce high levels of tractive effort at low speeds. I think this is due to lack of tractive effort (wheel slip) more than motor performance. NORFOLK SOUTHERN/PENNSYLVANIA RAILROAD Broadway Limited is excited to release its most modern diesel locomotive ever -- The GE ES44AC. Browse your favorite brands affordable prices free shipping on many items. CSX began receiving an order of 200 ES44AC's (referred to by CSX as the ES44AH) in December 2007. The Evolution Series, mainly the ES44DC, ES44AC, and ET44AC, are some of the best-selling and most successful freight locomotives in United States history, far surpassing EMD's output. Although mechanically similar to earlier SD70 units, the SD70ACe rides on a new underframe and uses mostly new sheet metal above the frame. When Penn Central was added as the 19th heritage unit, NS chose to make the PC unit an EMD SD70ACe and switched the original NS scheme to instead be applied to a GE ES44AC. Adjusted dynamic brake effort ratings and curves for individual locomotive variants based on the specifications listed below. this means that as a traction motor rotates it builds up a counter voltage which acts in. " One of the first tasks of the members was to submit ideas technologies and/or vehicles about which information would be gathered. Re: What is the point of the GE ES44C4? by TrainWatcher » Sun Aug 12, 2012 3:59 am To be honest, the original A1A design really makes sense and with the newer technologies that are coming within railroad technology, you can take an old stand-by design and really add to it to make it more cost effective on a newer six axle truck design. as opposed to the usual 415,000 lbs. class 66 vs 90. The GE ES44ac generates 183,000lbs of tractive effort at start up and have a continuous tractive effort of 166,000lbs. That's an extra 21,000 lbs of tractive effort (A nearly 14% increase) and obviously something that the customers view as a worthwhile addition in certain applications like coal service in mountainous. 'The ES44C4 was designed to be comparable with the ES44DC in terms of tractive effort, but be cheaper to maintain, more comparable to the ES44AC. european patent application ep0797515. Starting Tractive Effort, found in the locomotive data sheet, is the rated tractive effort starting from a standstill in RUN8. GP60 1908, SD70M 4045 and freshly painted ES44AC 6794 sit outside the UP Jenks shops. Tractive Effort (TE) and Tractive Resistance (TR) Tractive effort (TE): If the rear wheels of the vehicle in the figure are driven with no slip taking place between the tires and the level road surface, the wheel force or the tractive effort (TE) is equal to the torque at the driven wheels (T w) divided by the rolling radius or effective radius (R w). AC4400 180,000 lbf (800 kN) Starting 145,000 lbf (640 kN) at 13. What does ACCTE stand for? CTE = Unit is equipped with a feature called Controlled Tractive Effort. Tractive Effort is the force needed to simply move the train. Which brings the final designation to "C45ACCTE. When Penn Central was added as the 19th heritage unit, NS chose to make the PC unit an EMD SD70ACe and switched the original NS scheme to instead be applied to a GE ES44AC. These locomotives have been ordered by Union Pacific Railroad (who refer to these locomotives as the AC45CCTE) BNSF Railway,Norfolk Southern Railway,Kansas City Southern, Kansas City Southern de Mexico, Ferromex, and Canadian Pacific. AC45CCTE is the name often used by Union Pacific GEVO units, mainly because of the fact that they have slightly more tractive effort due to management software. most dc locomotives require some form of transition. Broadway Limited is excited to release its most modern diesel locomotive ever -- The GE ES44AC. Buy Broadway Limited 3552 N Scale UP AMERICA ES44AC #8104 at Walmart. For the cars in the curve, the tractive effort required is 0. 5 ES44DCi/ES44ACi 1. Same goes with GE - The AC4400 is rated at 4390HP, the ES44AC/ET44AC at 4365HP yet they are rated at 121,000lbs. Just 11 minutes behind the first southbound general merchandise came another one, with some heavy-duty power on the point - ES44AC 914 and ES44AH 839. GE Evolution Series ES44AC Locomotives From Wikipedia, the free encyclopedia The Evolution Series is a line of diesel locomotives built by GE Transportation Systems , initially designed to meet the U. The board administrator may also grant additional permissions to registered users. Method for controlling the level of tractive efforts in a train having a first locomotive at a head end of the train, constituting a lead locomotive, and a second locomotive positioned in the train behind the lead locomotive, constituting a remote locomotive, with the remote locomotive being configured to selectively operate in either of two modes of operation, such as a first mode in which. CSX ES44AC #977 with the CSX designation of "AH" due to: 1) steerable trucks, (2) TM3 adhesion control software, (3) software that extends to 36,000 pounds (from 30,000 pounds) the maximum amount of tractive effort that each traction motor is permitted to produce, and (4) GE's Rail Cleaner, which directs high-pressure air onto the rails in front of the sand nozzles forward of number one axle. 165,000 lbf. The tractive effort of a locomotive (whether AC or DC) is defined by the equations: Tractive effort = Weight on drivers x Adhesion Adhesion = Coefficient of friction x Locomotive adhesion variable The friction coefficient between wheel and rail is usually in the range of. [8] Although mechanically similar to earlier SD70 units, the SD70ACe rides on a new underframe and uses mostly new sheet metal above the frame. The Evolution Series 4400HP DC Traction locomotive is part of GE Transportation Systems line of diesel locomotives that were built to meet the EPAs 2005 Tier 2 locomotive emissions standards. Jan 7, 2019- (ET44AH). Opposite Direction Braking (OBD) Mode: If the backwards speed were to exceed 4. The Evolution Series 4400HP DC Traction locomotive is part of GE Transportation Systems line of diesel locomotives that were built to meet the EPAs 2005 Tier 2 locomotive emissions standards. Hp/tt I have comprehension issues. ” One of the first tasks of the members was to submit ideas technologies and/or vehicles about which information would be gathered. 8 mph with a top speed of 40 mph. Browse our daily deals for even more savings! Free delivery and free returns on eBay Plus items!. Many can be seen on UP, CSX, Norfolk Southern and Canadian National railroads with features specific to each road. Something noteworthy is the Virginian acquired several sets of EL-2B electric locomotives from General Electric in 1948. General Electric ES44DC; Data Sheet Information Compiled by: JEAN-DENIS BACHAND: New: 27 October 2007: Drawing by: Jean-Denis Bachand-Engine Builder: General Electric: Engine: GEVO-12 (4-cycle) Bore & Stroke: 250mm X 320mm : RPM (Maximum / Minimum) 1050 / 450: Main Generator: GE - GMG196A: Horsepower: 4400: Gear Ratio: 83:20: Speed: 70 mph: 6-Wheel Hi-AD. GE AC4400CW. Which brings the final designation to "C45ACCTE. Full compatibility with DLC's specific pre-existing LUA scripting. Typescript. The tractive effort of a locomotive (whether AC or DC) is defined by the equations: Tractive effort = Weight on drivers x Adhesion Adhesion = Coefficient of friction x Locomotive adhesion variable The friction coefficient between wheel and rail is usually in the range of. Union Pacific ordered many of their AC4400CW's with Computerized Tractive Effort software, giving them the designation of AC4400CW-CTE. Max tractive effort is effected by the weight of the locomotive, number of powered wheels and gearing, not just its power. 5 ES44DCi/ES44ACi 1. CSX ES44AC #977 with the CSX designation of "AH" due to: 1) steerable trucks, (2) TM3 adhesion control software, (3) software that extends to 36,000 pounds (from 30,000 pounds) the maximum amount of tractive effort that each traction motor is permitted to produce, and (4) GE's Rail Cleaner, which directs high-pressure air onto the rails in front of the sand nozzles forward of number one axle. The Evolution Series is a line of diesel locomotives built by GE Transportation Systems, designed to meet the U. The GE ES44AC is still in use today serving the entire nation through a variety of hauling tasks including traffic resulting from the Ethanol mandate. Adjusted tractive effort ratings and curves for individual locomotive variants based on the specifications listed below. this means that as a traction motor rotates it builds up a counter voltage which acts in. The EMD SD70 is a series of diesel-electric locomotives produced by Electro-Motive Diesel in response to the GE Dash 9-44CW. Photo Date:. The National New York Central Museum in Elkhart, IN, is home to historic equipment from the NYC manuals sitemap roster links Founded in 1987, the National New York Central Museum occupies a site on S Main St opposite the Amtrak station in downtown Elkhart, IN, a town that was to become a vital link in the east-west expansion of US railroads. I was an engineer with Union Pacific for three years, and now I work in a Coal Mine, having started out as a haul truck driver. Re: What is the point of the GE ES44C4? by TrainWatcher » Sun Aug 12, 2012 3:59 am To be honest, the original A1A design really makes sense and with the newer technologies that are coming within railroad technology, you can take an old stand-by design and really add to it to make it more cost effective on a newer six axle truck design. This locomotive is very different than an ES44AC. The Evolution Series 4400HP DC Traction locomotive is part of GE Transportation Systems line of diesel locomotives that were built to meet the EPAs 2005 Tier 2 locomotive emissions standards. For those in the know how much extra mass would go into an AC43ACi if it were to have ES44AC traction motors ? Would almost certainly involve bogie alterations or redesign and I'm curious to know if its achievable in a mid to high 140s weight locomotive. EPA's Tier 2 locomotive emissions standards that took effect in 2005. Obviously a great success due to fewer mowing parts, less parts to be kept in storage and less need for maintenance this new AC model has now gained a lot of ground. RebuildsEdit. What's missing, besides the diesel fumes, is an expansive layout that would seemingly justify the heavy-duty tractive effort at work. That software is also used on BNSF's 6600-series ES44C4s.