How to construct a reuleaux diagram 5at advanced steam. These were the last steam locomotives built by lima and were a fine example of steam locomotive design during the super power era. Piping systems designed for steam pressure below 25 psig are lowpressure steam systems. When installing a steam trap on a steam main, tlv typically recommends the use of traps that discharge condensate continuously, such as the free float type. Whilst the exact movements of a locomotives valves are indeterminate because of the angularity effects of both connecting rods and eccentric. In the smokebox, exhaust steam passes through the blastpipe to the chimney at high speed due to the confined vent of the blastpipe. The header is piped wrong and will result in wet steam being delivered to the system. Jun 18, 2018 steam locomotive diagrams diagrams from the northern pacific railway mechanical department.
Wiring diagrams for diesel electric locomotives science. This is a steam system so there should be no water in the radiator when the boilers off. The aim should be with the piping to get the air out quickly, when the system is fired up, and deliver a constant supply of dry steam to the kettles. Jan 22, 2003 the sight glass piping attaches at the extreme top of the boiler or very close to it and then down well below low water level. Other trap types such as disc, bucket, or balanced pressure thermostatic can be used provided that the collecting leg is adequately sized to prevent backup into the steam main.
Pipe sizing two principal factors determine pipe sizing in a steam system. Diagrams common standard passenger train cars southern pacific lines, as of march 1, 1933 this excellent book contains diagrams of the wood and heavyweight cars up to that time. Piping always pitched in the direction of flow use of eccentric reducers to eliminate creation of condensate collection points low spots in piping use of separators to eliminate wet steam proper drip trap stations in all required locations use of air vents at all endofmain locations make steam main branch takeoffs from top of pipe. The locomotive is based on about 500 south african railways drawings from the. Illinois central steam these photos are from the archives of the ic.
Locomotive 9inch steel pipe boiler with copper tubes. Steam engine prototype 1 design open source ecology. Department of veterans affairs, office of acquisition logistics and construction, office of construction and facilities management, office of facilities planning, facilities standards service. While not technically free, unless you have a library stocked with them near you or happen to have a set of them sitting on your shelf, car builders cyclopedias have a lot of drawings of all kinds of railroad equipment, from trucks to boxcars to grab irons to. Animation of how a steam locomotives boiler works youtube. Steam is a capacious reservoir for thermal energy because of waters high heat of vaporization fireless steam locomotives were steam locomotives that operated from a supply of steam stored on board in a large tank resembling a conventional locomotives. They appear to be almost the same as those reproduced by dusty durrant in the classic book power parade. The extremely hot steam then flows through steam pipes to the cylinders where its pressure moves the pistons which move the wheels of the locomotive.
The sight glass piping attaches at the extreme top of the boiler or very close to it and then down well below low water level. It is a single cylinder, 4 bore, singleacting uniflow steam engine. Upgrade a plastic steam locomotive mrh online magazine hosting. Aug 29, 2016 the system uses the steam pressure to push the steam through the piping looking for someplace cool to surrender its heat at a speed of about 40 miles per hour. Pipe sizing is a crucial aspect of steam system design. Line drawings of steam locomotives wikimedia commons. Assignment of locomotives from february 1953 furnished by charles v. Let us assume we have a quality steam boiler that produces dry steam in the range of about 9599% pure, which means we have 15% water in the steam. A steam locomotive is a type of railway locomotive that produces its pulling power through a steam engine. The engineering team, led by david elliott and including gerard hill, bob alderman and many others, spent several weeks at the national railway museum at york and in the end around 95% of the original drawings were discovered. Central pacific railroad photographic history museum photographs, stereoviews, engravings, maps, and documents illustrating the history of the first transcontinental railroad. He takes the cover off and gets douched by five or six gallons of water. The drawing shows a crosssection of the smoke box at the front of a locomotive boiler the boiler would be to the left of the view.
The system uses the steam pressure to push the steam through the piping looking for someplace cool to surrender its heat at a speed of about 40 miles per hour. Installation tips for steam traps on steam mains tlv a. The sphere became a boiler that was heated up causing the water to boil and evaporated into steam. Bachmann information and diagrams literature page 45. The roll contains c 12 waxed linen drawings of wiring diagrams for diesel electric locomotives. Make sure the combustion air does not get too much salt spray from the sea, as this can lead to early failure of the cast iron sections see galvanic corrosion. A good complementary book to the steam locomotive see below. Department of veterans affairs, office of acquisition logistics and construction, office of construction and facilities management, office of facilities planning, facilities standards service subject. Tracing and drawing line diagrams is a crucial task every marine engineer. Trap discharge lines move condensate and flash steam from the trap to a return line. The whistle and in most cases, throttle get their steam from the steam dome as do the two safety valves. Steam community guide driving the steam locomotive. This drawing shows a typical locomotive exhaust system from a u.
Any steam locomotive would be a tall order, but the big boy is about as. Sounding pipes must be considered and their position in the tank must. Firebox is the furnace of a locomotive or similar type of fire tube boiler. This is a glossary of the components found on typical steam locomotives. Lets try to make this site a valuable resource for ho train collectors and modelers. A modulating steam valve on a preheat coil can actually cause the coil to. To zoom out press ctrl atsf 2102 loco exploded view diagram. It looks like the installer didnt have a pipe threader so he short cut by using copper which could cause the block to crack. Steam supply lines need to be drained of condensate. Special attention should also be paid to the lagging clad steam lines and. Steam community guide driving the steam locomotive and. Distribution piping complying with thermal energy cooperative teco requirements is. All the steam flows above a given colored line are less than the velocities shown in the tables.
The quality of steam entering the heater can have a direct impact on the heaters performance and frequency of maintenance intervals. Aug 20, 2012 federal railroad administration steam locomotive safety training video duration. That engine was the steam locomotive the trevitick coalbrookdale locomotive and was the first step in railway developing. It looks like the installer didnt have a pipe threader so he short cut by. Johnson, published 1942, 1944, and 1981 by simmonsboardman publishing co. Engineers worked continuously to improve the system by increasing steam pressure, applying compounding and adding additional wheels. Steam, especially dry highly superheated steam, may be used for antimicrobial cleaning even to the levels of sterilization. How the steam engine of the locomotive works a 21st. Early steam locomotive builders such as george stephenson discovered the principal upon which virtually all steam locomotives built since have used. As a pressure vessel, the boiler must be carefully managed, lest it blow up. On april 1993 the painstaking job of cataloguing, scanning, cleaning up and redrawing began. The velocity ranges shown in steam pipe capacity tables 451 through 464 can be used as a general guide in sizing steam piping. Pipe design piping drafting piping isometric drawing.
The use of superheated, as opposed to saturated, steam brought a 2530 percent increase in the efficiency of the steam locomotive. Condensate return piping should be the same size as the coils return connection from the coil outlet to the steam trap. It is also used in jacketing and tracing of piping to maintain the uniform temperature in pipelines and vessels. It looks like your browser does not have javascript enabled. A technical treatise on steam locomotive design, operation, and economics by the then chief mechanical engineer of the baldwin locomotive works. Federal railroad administration steam locomotive safety training video duration. The purpose of this project was to build a steam locomotive, not to draw one. Inlet and outlet steam and hot water lines should be fully insulated.
Steam engine valve gear on the computer windows version by charles dockstader hcr 69 box 3111 california valley ca 93453 805 475 2519. There should be no horizontal piping until at least 24 above the boilers water line. Steam branch lines take steam from steam main to steam heated unit. In other industrial applications steam is used for energy storage, which is introduced and extracted by heat transfer, usually through pipes.
And of course the room will have white carpet and be on the second floor so that the water can destroy the ceiling on the first floor as it pours thru the hole the pipe uses. The new york times and other newspapers gave it a headlined article with photographs and proclaimed it to be a great day for the railroads and the beginning of a new era in locomotive design. Guide to steam locomotive components the image is of a composite imaginary locomotive, not all components are present on all locomotives and not all possible components are present andor labelled in the illustration above. How the steam engine of the locomotive works a 21st century. Mine attaches clear down just above the mud ring on one lokie. See note 1 in figure 3 steam coil piping diagram on page 3.
The engine operated on a system of wheels rotated by a steamdriven piston. Safety valves are designed to automatically let steam escape if the boiler pressure gets too high. Japanese locomotive detail, from 75th anniversary of japanese railways by 7100 steam locomotives stamp cropped. However, if you only know the car number, the book lacks a listing by car numbers, which would enable you to find the class to which it belongs. Who would come up with an idea of using bim software for building a working replica of a locomotive.
This is a big part of learning to operate on any new layout. Pipe sizing steam supply and condensate return lines definitions steam mains or mains carry steam from the boiler to an area in which multiple steam using units are installed. There are a number of piping standards in existence around the world, but arguably the most global are those derived by the american society of mechanical. Steam system design and best practices related to kiln drying. So the prr diagrams may provide more general use than some folks would think. If you are in possession of any ho train enginecar assembly diagrams, brochure, or catalog that are not listed within this site, please contact me about posting them here in this section. These locomotives are fueled by burning combustible material usually coal, wood, or oil to produce steam in a boiler. The engine operated on a system of wheels rotated by a steam driven piston. While the development of steam cars remained a mere scientific curiosity for the next 100 years, the steam powered locomotive took off. In this video i show the general layout of the injectors and piping. The steam moves reciprocating pistons which are mechanically connected to the locomotives main wheels drivers. While the development of steam cars remained a mere scientific curiosity for the next 100 years, the steampowered locomotive took off. Frisco steam locomotive diagram book museum version 18801943. This page offers detailed advice on standards, schedules, materials and sizing for various saturated and superheated steam duties.
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