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...mover, which is about as close to a true model as you can come in 3/4 inch scale. So perhaps the steam boys might allow me space to describe it. [[File:StanGalloway one inch diesel 1957.png|thumb|center|600px]]

...number of leading truck wheels, driving wheels and trailing wheels. An 0-4-0 has no leading trucks, two pairs of driving wheels and no trailing trucks [[File:OneEighthAmericanLALS1965.jpg|thumb|right|300px|One-eighth scale American at Los Angeles Live Steamers]]

the large scale live steam hobby in the United States organized and I would like to announce the creation of the Small Scale Pattern Pool,

[[File:4 Generations of Purintons.jpg|thumb|left|400px|This shows four (4) generations of Purintons. Bob Hornsby took this at a live steam meet in Ep ...ohol burner" was a popular alternative to coal firing, especially for 1/2" scale indoor running.

...ds has brought to the forefront the distressing fact that a fraction of an inch in gauge is preventing any interchangeability of rolling stock and motive p ...untry are faced with the problems of deciding between 7-1/2 inch and 7-1/2 inch gauges before they can start construction. Those who already have locomoti

...mall milling attachment, and a drill press. The 'golden age' of [[1/2 inch scale]] modeling was in the 1920s through the end of World War II. ...ilroaders were utilizing smaller scales and moving their trains indoors. O scale, and even smaller scales such as S and HO were now the choice for the sceni

...he hobby. The first locomotive developed was the Central Pacific No. 173 4-4-0, the locomotive that [[Walt Disney]] has called “the most beautifully p ...to late 1980’s. This locomotive also uses many part common with both the 0-4-0 and the 2-6-0.

: 10" pipe is 10 3/4" OD. In a boiler this size (10-inch diameter by 41-inch length) I usually use 5/16" plate. ...diameter stays on 2" centers. In 5/16" plate I use 1/2" diameter stays on 3" centers.

...where the stairway descends. There resides 3/4 inch scale Maine Centraol 4-6-0 No. 12, Bill's personal locomotive (Photo 1), built in 1971. She has v ...n 1-1/2 inch scale. His latest project, No. 40, a modern 3/4 inch scale 4-4-0, is taking shape in the shops now.

...nch, exhaust line in line, link radius 4 inch, back set of link foot 29/64 inch. The crank pin is placed 7/8 inch from wheel center.

Carl from [[Midwest Scale Rail, LLC]] wrote: * Outside Diameter (inch): 0.36

''3/4 inch Scale Switcher'' [[File:VanGrop quarter inch sp 484 1953.jpg|thumb|right|300px|"O" gauger that upset the lock washer.]]

== PRR K-4 == P.R.R. K-4

File:AlickJosslin.jpg|Alick Josslin and the original Helen Long 2.5 inch Gauge Locomotive constructed by [[LBSC]] for Josslin. File:JA Josslin.jpg|J.A. Josslin operating Harry Allin's B&A D1a 4-6-6T suburban tank locomotive - 1947.

...lding up parts from raw stock. Shown in Figure 2 is such an engine; a 3/4 inch bore double acting engine modeled after an agricultural pumping engine of a ...arefully. Hold your desire for a Pacific or Hudson until later. Try an 0-4-0 or 0-6-0 switcher as a starter. First buy only the blue-prints and caref

...the first railroads of this size on the west coast, it has grown from 1 to 4 acres, Because we are a train park and not an amusement park no one is ever ...another aluminum rail two years later, making a dual 4-3/4 inch and 7-1/2 inch gauge track.

...ales (he had an HO scale home layout and is in the process of building a G scale) Ken was hooked on live steam trains after running a friend’s live steam ...e axle drives provide plenty of tractive motive power on this compact 1.5" scale electric powered locomotive. The 110 watt sound system provides the most re

...rn Pacific switcher that hauls 10 men on four flatcars. Built to one-inch scale, engine and tender weight 250 pounds, measure five feet long. Left to righ ...1/2-inch-to-the-foot scale; 3-1/2-inch gauge for 3/4-inch scale; and 4-3/4-inch gauge for the big one-inchers.]]

A nice looking Burlington Northern SW1500 EMD switcher in 3/4 inch scale was posted for sale on eBay in December 2012. Here is the description of t :I started this project in 1979 when my son was 3 years old. He just turned 37! Engine is well constructed of 13 gauge [[CRS

...i Feb2006.JPG|Another full-size gladhand. Each square in the image is 1/2 inch. Photo by Dave Sclavi. ...ehalem Machine Works|Operating gladhands, 1.5 inch scale, 3/16 inch to 1/4 inch hose barb, <i>John Kelso, Chehalem Machine Works</i>]]

...o oilers, one for each piston; greasless roller bearings throughout; Bell; 4 chime whistle; steams easily; weight approximately 550 pounds. == 3/4 Inch Hudson ==

...st published which talked about a "New Hudson" type Locomotive in 3/4 inch scale just put on the market. Castings and drawings were stated to be available a ...the Josslin Hudson but I have seen exactly the same castings on other 3/4" scale Hudson's or northern type locomotives here in Southern Ontario (and Montrea

Someday we'll tell you all about this 1 inch scale railroad, complete with pictures, if you're interested. ...udson type built to the scale of 1 inch to the foot. Track gauge is 4-3/4 inch. The locomotive is operating condition weighs about 250 pounds. Total len

<i>Live Steam Model Railway Review</i>, No. 4, May 1984 ...s also early on the scene with narrow gauge - converting some of my Hornby 3-rail with narrow gauge bodies (and ruining my mum's kitchen scissors cuttin

...ill Yoder, as you know, has published the [[3/4 Inch Scale Registry|¾ inch Scale Live Steam Registry]]. ...about the history and future of the IBLS]]. Bill Yoder spoke about the 3/4 inch registry and about steam locomotives in Russia where he lives. We enjoyed a

...ball diameter. Check valves for injector service use the highest lift: 1/3 ball diameter. ...e easy direction, (2) have infinite resistance in the back direction, and (3) be easy to service.

...s a live steamer in the North Eastern United States. He design a 3/4 inch scale Hudson. ...l received as this "new", larger scale was just ramping up. A third (3-1/2 inch gauge) rail to accommodate it was to be added to [[Charles A. Purinton|Carl

File:OhlenkampRainhillTSMEAcres1952.jpg|3.5 inch gauge Rainhill locomotive built by Emery Ohlenkamp (Chicago, USA) at the 6t File:EmeryOhlenkamp American.jpg|Emery Ohlenkamp on his 1.5 inch scale American.

...ack gauges approximate to the following scales for a standard track gauge (4' 8.5") locomotive: * 2.5" gauge -1/24 scale, or 0.5 inches to the foot

3/4 inch scale Timken “four aces” 4-8-4 built by [[Fred Jerome]] of Toronto. ...enFourAces 1936.jpg|Fred Jerome and his Timken Four Aces 4-8-4 in 3/4 inch scale, 1936.

..., high power troposcatter systems and undersea cable. Entering the 1-1/2" scale field he found little available in the late 1960’s. He decided to start ...e had built his first GP-7 and by 1971, a pair of electrically powered 4-6-4 steam locomotives. By 1972 an F-7 was built and was followed with various

[[File:ODShuptrine 4 4 0 1915.jpg|thumb|right|400px]] ...as, I had the privilege of inspecting a Live Steam 4-4-0, about 1-1/4 inch scale, built in 1896 by O. D. Shuptrine, a locomotive engineer on the old [http:/

...and 1/4 inch [[O.D.]] glass tubes as ordinarily used to maintain close to scale sizes are not so very reliable because capillary attraction causes the wate ...to dimensions after drilling the 1/4 inch hole to proper depth and the 1/8 inch holes through, then measured and cut off. Repeat the operation and you wil

...s to our worthy brother over the pond, and his assistant, on the result of 3,200 hours' "hard labour." A little heftier job than the "Silver Rocket"! ...oupled and trailing axles. The cylinders are "scale" size, 3 in. bore and 3-1/2 in. stroke, with piston valves having a bore of 1-5/16 in., and 7/8 in.

File:COALS 1984 Omlet Bruce Hoffman's 4-6-6-4 4.jpg|The picture of the 4-6-6-4 is the one made by [[Fred Bohn]]. The Hoffmans bought the engine from him a ...is a photo of the 999 built by [[Fred Bohn]] in Niagara Falls NY. It's 7 1/4" gauge and is coal fired. A few years back she received a full cosmetic res

...very first incredible "Hands-On" Introduction to 3/4-Inch Scale x 3-1/2-Inch Gauge "Live-Steam Locomotives", by a wonderful 72 year-young Gentleman, a r ...& Building', and as frequently as possible 'Steaming' my 1:20 Scale x 1.75 inch Gauge Live-Steam Locomotives. Two or three 'Pilgrimages' per year are also

* [https://www.youtube.com/watch?v=M0FKhmevFF4 "Operation of a scale power reverse gear"] * [https://www.youtube.com/watch?v=ZUixFwazDeo "Wheel Turning, Part 3"]

...Los Angeles Live Steamers Railroad Museum (LALSRM) is a non-profit 501(c)(3) public benefit corporation that was founded in 1956. It was started by tra From <i>[[Large-scale Model Railroading]]</i>, page 19

[[Category:3/4 Inch Scale]] : [[Friends Models]] now has available, castings for the 3/4 inch scale 4-4-2 Atlantic "Angus" by [[Charles S. Purinton|Charlie Purinton]]. All casting

...block patterns from Model Locomotive Engineering Company. It has 2 3/4" x 3 1/2" cylinders with a part# 104 D100 written on the pattern. This is a spe ...cquired these originally from Richard Thomas in 1999. He had written 4-6-6-4 on these, possibly a locomotive he had built or was in the process of build

File:21 Frank Birch Hudson.jpg|This 3/4 in. scale New Hudson in 3-1/2 in. gauge was designed by Mr Frank Birch, of Essex, Ontario ...sign and was built by Frank Birch. It has 5/16 inch bore (steam) and 5/32 inch water pistons. Although made to pump water, this tiny rig withstood a test

...-8-0 Canadian Switcher Caribou|"0-8-0 Canadian Switcher "Caribou" in 3-1/2 inch gauge"]], [[Martin Evans]], 1977 * [[Large-scale Model Railroading]], [[T. A. Hill]] and [[Bill Koster|W. C. Koster]]

...ng many curves and heavy grades. Train equipment consists of 3 flat cars, 3 gondolas, a tank car and caboose. Three more cars are under construction. Leonard Carey Williams wrote on <i>Facebook</i>, 4 February 2020:

These drawings are for 1-inch scale. If you wish to construct it in 3/4 inch scale, merely reduce all cylinder and control rods by 1/4, but build the valve

=== 2 inch steel channel === ...in my garage. I would also make the vertical posts straight up and use 3/8 inch gusset plates on the corners so it would not rock.

...orgeMurray home track NYC 999.jpg|George Murray at his home track with 3/4 inch NYC 999 ...Murray home track backyard.jpg|George Murray's back yard elevated 3/4 inch scale track.

The [[Meg Wendy]] is an 0-4-0 industrial/quarry style steam locomotive. It was designed by father ans The [[Meg Wendy]] is typically built as a 7.25 or 7.5 inch narrow-gauge locomotive.

! scope="col"|1/2 inch scale ! scope="col"|3/4 inch scale

[[The Iron Pony]] manufactured 1 inch scale model railroad equipment. It was founded by brothers Mike and Joe Devlin. ...ut to manufacture 1 inch scale railroad equipment. As you may know, 1 inch scale (one twelfth of full size) is one of the standard live steam scales. The lo

...954 022.jpg|right|300px|Seely A. Randall custom build Hudson in 1-1/2 inch scale. From "The Miniature Locomotive", July-August 1954]] ...my nine-year old grandson sitting in the engine seat. The cab floor is 1 inch above the rails.

...the name "Exact Scale Models". He also added detail parts to the 3/4 inch scale Hudson shown below. == 3/4 inch Hudson ==

...illed devotee of one of the world's most exacting hobbies--the building of scale-model, steam-driven replicas of locomotives that made our railroading histo ...ou ever happen to see an apparently normal-looking man bend over a working scale-model steam locomotive, take a deep whiff of the acrid aroma of hot oil and

: After all, the 3 methods of heat transfer are: conduction, convection and radiation. Radiati ...xfordMA.jpg|thumb|center|500px|Charlie Purinton did not use lagging on his 4-2-0 locomotive "Seth".]]

...first train Mr. Martin built an Atlantic type Locomotive (4-4-2) for a 10-inch gauge track. He operated this live steamer in the parks of Detroit for two ...he finished the locomotive and train with the help of his faithful wife is 4-1/2 years at the age of 74. Mrs. Martin was 64. The train was named the V

...ortunate children (and adults) who have never seen the greatness of a full scale reciprocating steam engine. Since that time it has carried nearly 15,000 f ...and carries from 75 to 100 pounds pressure. Cylinders are 3 inch by 3-1/4 inch. Weight of the locomotive, according to Mr. Lakeman, is 1400 pounds in run

...like it! It's amazing that Louis never got into model building on a grand scale like so many other hobbyists around the country because as he put it, by ri ...wever, before getting into the live steam hobby, he built several 3/8-inch scale models of the Key Route's 500-class wooden interurban cars that were perfec

The Tipsico Lakeshore Railroad is a 7-1/4" gauge railroad in Oakland County, Michigan. It was built by [[Stephen Boo ...ore Railroad]] is a 7-1/4 inch gauge outdoor miniature railroad built to a scale of 1-1/2 inches to the foot. This freight hauling system is located on the

: As of now, it is highly likely that a 2500 foot double loop of 7-1/2 inch gauge track will be made available to the club in the Dallas-Fort Worth are ...d on January 29th. The first meeting was attended by 14 live steamers and 3 others by proxy.

== Southern Ps-4 Pacific Castings == : '''Southern Ps-4 Pacific'''

...igns were based on actual prototypes, but were not necessarily finished to scale. With this generous exposure, it is perhaps not surprising that many of his ...WW2, the norm became to build to 17/32" (13.5mm) to the foot. This is the scale that G3 models are built to these days. LBSC was a former “engineman”

...ht|300px|This 15-inch track at a private layout handles the big three-inch-scale models. (Looks real, doesn't it? But note the relative size of the "switchm ...s, though. These are scale models, accurate to the tiniest fraction of an inch, of the steam engines that made railroad history not so many years ago -- e

...nd in operation. A good start had been made on one of Buchanan's N.Y.C. 4-4-0's, the No. 938. Ed was always willing to help others in any way that he File:EdBergh with No999.jpg|Ed Bergh with his 3-1/2 inch gauge 4-4-0 No. 999 taken at Danvers in October, 1953 by photographer A. W. Leggett.

...locomotive which needed change in the front end in a big way. His 3/4 inch scale steamer was the subject of many tests and the basis for his book, [[Getting ...esting read. It describes his attempts to improve the poor steaming of his 3.5 in. Pacific. The second part of the book is a copy of the 1937 design gui

...orks|RMI]] posted on Facebook that they bought all of the 2 1/2" and above scale product lines. ...standard. It has proven itself with many of the modelers in 2.5 and 3-3/4 scale. A few of the other manufactures are or will be offering this flange.

...ou can see water in the waterglass, there will be a minimum of one quarter inch of water on top of the <i>highest</i> point of the crownsheet. needless to ...hat the pipes and fittings are 100% free of any obstruction and eposits of scale. Beware of a glass that looks full, it could look the same if it were bone

3. Steam boilers shall have the water level gauge located with the bottom of 3. Fill boiler with water until it runs out the top.

File:Doug Alkire BO 1inch.jpg|1" scale B&O P7 built by Doug Alkire. This engine was featured in Joe Nelsons book " ...Alkire and Joe Nelson Oct 1971 LALS.jpg|Doug Alkire leading on his 1 inch scale B&O P-7, with Joe Nelson on his Pennsy K-4s, double-heading at Los Angeles

[[Jack Sessums]] built the <i>Live Oak Canyon Railroad</i>, a 15 inch gauge road in Redlands, California. ...ht by Ron Mason, who owned Jack's 3/4 inch scale Southern Pacific MT-class 4-8-2. I believe Ron later sold the Daylight some years later.

...This bubble soon burst and I was just glad that I wasn't a little one inch scale human trying to conquer these new frontiers. By the time I had laid a coup * the above mentioned engine, a 1 inch scale Pacific

...most of his life, and this issue he sends in a photo of a scale Case and a scale sawmill he built. ...nzky sawmill.jpg|thumb|right|400px|FE.J. Laschanzky's scale 65 HP Case and scale sawmill.]]

Let's Build a Boiler for the 3/4 inch Scale Beginner's Locomotive ...t plate, inner fire box, throat plate and the two tube sheets allowing 1/4 inch all around where it is to be flanged. You can lay all of these patterns on

** MCC uses 3/32" rivets typically 3/8" or 5/16" long. I have found that http://www.aircraft-tool.com/ has the ** Are you looking for scale rivets ? For small rivets, try using the heads of common pins. (Raid your w

...Leggett, Jr. is behind the engineer running Fred's Timken "Four Aces" 4-8-4. ...t? There was one switch to go into the kitchen on a spur. See [[A 3/4 Inch Scale Electric Locomotive]].

...assisted by Nat Howell, built a 3 inch scale model of a Union Pacific 4-8-4. It was offered in an auction by <i>Barrett-Jackson</i> in late 2018. ...erature-controlled environment in good condition. It is a fully functional scale model of a Union Pacific 484 Baldwin Engine plus four Pullman cars that wei

...ely out of this class; and upon further reasoning there are a great many 0-4-0's that are not small. It seems to be the item limiting the size classifi ...The grate is 2-1/4 by 2-1/4 inches, which comes to a little more than one inch. This doesn't give you much to go on. The margin of error is extremely sm

...ch. We went to a pot burner, and ended up adding an arch that went about 3/4 of the way back to the back of the firebox. The arch, by lengthening the ga : The arch was 1/4" mild steel, and lasted a number of years, even though rather warped. We h

...niell shown at the throttle of his Cole four-cylinder compound in 3/4 inch scale. Mrs Daniell is riding behind him. Photo courtesy of Kenneth Donaldson.]] ...Naval Shipyard. He built a Cole four-cylinder compound 4-4-2 in 3/4 inch scale. This is believed to be Ernest's only steam locomotive, though he built se

...arts are suitable for these engines. Some are for a Consolidation with 63 inch drivers. ...parts for the famous [[Laverne Langworthy|Langworthy Hudson]] in 3/4 inch scale back in the late 1930's.

...cing a complete railroad system or portion of a system in miniature and to scale. The live steamers, to me at least, always seemed out of the question for First thing I saw while going down the stairs was a main line of 2-1/2 inch gauge track apparently circling the entire basement. The total right of wa

models had run 2-1/2 to 3 minutes per ounce of water, but this model ran 4 scale speed of 45 to 50 MPH. This in turn meant that a lower fire would keep

Having had some experience building a 1/2 inch scale Pacific locomotive bed from castings, and parts cut out by hand from [[CRS| The casting shown in the photo is of a general design for a 4-8-4 type locomotive. Such a casting eliminates a great deal of filing and fitt

Leaving literary pursuits some time ago to go back to full scale engineering, Mr. Greenly is now chief of Greenly Engineering Models, Ltd., The cylinders are 2-1/2 inch by 3-1/4 inch. Valve gear is [[Walschaert valve gear|Walschaerts reversing gear]], with

...ld an outdoor track some 1330-feet in length. Frank also built a 3/4-inch scale model of an SP 4400 model with the streamlined casing. It was absolutely be ...SP484 No4462.jpg|Here is a photo of Frank Dee's famous 3/4" scale, SP 4-8-4 # 4462. As you can see.. It was a beauty. Photo provided by Ken Shattock.

...lte methods. You can come fairly close by using magnifying glass, a 100th scale and needle scriber and after the holes are drilled you can insert pins and ...hich the holes in the Baker gear parts can be located with less than 0.001 inch error.

The [[Scotty Mogul]] is a 1.5 inch scale Light Mogul. The model has been described as small, compact, with plenty of * Bore: 1-3/4 inch

...series on the Mich-Cal No. 2, 1.5 inch scale, narrow gauge Shay, for 4-3/4 inch track. The series ran in <i>[[Live Steam Magazine]]</i> staring in July 19 ...of 28 in the series, describes construction of this 1.5 inch scale, 4-3/4 inch gauge Shay.]]

...and 40s. During this period, what we may call the "golden age" of [[Gauge 3]], several locomotive kits were offered by [[Martin Lewis]], [[Harry Covent ...umberlandmodelengineering.com/Gauge3History.html "A Brief History of Gauge 3", <i>Cumberland Model Engineering</i>]

...enings that will reward you for time spent in a good looking driver and to scale as well. ...will welcome a smooth finished pattern with ample draft. 1/16 inch to an inch is more than ample to allow clean removal of pattern from the sand. All dr

...avings as well. For reference, a quality pressure treated 2"x4"x 8' costs $3.50each, cut into six, 2"x4"x16" ties, it would cost you 58 cents per tie. ( ...ttle closer to my scale. They also give a good support "foot print". I use 3 ties per foot which allows a 2" space between each tie. Its easy to tamp th

A 3/4 Inch Scale Electric Locomotive ...omotive was built in 1930 and has been operating since then. It is an 0-4-4-0 type, with the following dimensions:

[[Colorado Central Flat Car in 1 Inch Scale]] ...e all flashing and large bumps with a chisel and coarse (vixon) file. A 6 inch sanding disc in an electric drill is all that is needed to clean the top an

...nnecting rods which propel the locomotive wheels. Even the shovels are to scale. They hold about a tablespoonful of coal. Power? Plenty. Some of these lo ...cover. Locomotive was started by his dad 47 years ago (1904). it is a 4-4-0. The prototype was New York Central's No. 999.

...inch to the foot. Cylinders 3/4 inch bore by 1-1/8 inch stroke. Drivers 3 inches in diameter. Drivers are equalized and ummy springs are used. The ...Dept's labor in building an oval 11 feet by 30 feet in the basement (2-1/2 inch gauge).

...has been building his own engines since 1927 when he built his first, a 4-4-2. ...pressure gauges, control levers, and functional piping be held strictly to scale proportions. Slide valves are used at the cylinders instead of piston valv

...haw NYC Josslin5200.jpg|[[Norman Mottshaw]]'s NYC Josslin 5200 in 3/4 inch scale. Note the [[Groovy Track]] using flat steel rails and slotted wood ties. ...g|[[Norman Mottshaw]] and his Josslin-designed NYC Hudson 5200 in 3/4 inch scale. Photo provided by [[Steve Bratina]].

<i>[[The North American Live Steamer]]</i>, Volume 1 Number 4, 1956 ...es with 30 foot radius curves. I have a mountain type 4-8-2 and a Pacific 4-6-2, also a 0-8-0 switcher which I certainly enjoy as a hobby.

!1 inch Scale !1-1/2 inch Scale

...tent with the level of detail this model was taken to, there are no out of scale parts, even in the cab. No ball valves, etc.. Note the main shut off valve File:Pennsy E6 Atlantic Doug Edwards 4.jpg

...d in fractions of an inch and temperature is in Fahrenheit. Note that the scale of the rail has no bearing on the size of the gap required. |1/4

...scale steam locomotives. The present track accommodates equipment in 1″, 3/4″ and 1-1/2” to the foot scales (1/12 and 1/16 and 1/8 of full size). Th The Waushakum club was founded in 1954. An elevated track of 3.5″ gauge was built in Ashland Massachusetts, and inaugurated in 1956. Und