Locomotive formulas

TRNAT0314_02

A Fort Worth & Western mixed freight ascends a grade near Cresson, Texas, in May 2013. Steve Sweeney Q Do railroads have formulas managing the length or tonnage of a train based on how many engines are pulling it? What factors would be in such a formula? — Doug Gard, McCordsville, Ind. A Each railroad […]

Read More…

Auxiliary tenders

TRNAT0314_01

Southern Railway 2-8-0 No. 630 on a Norfolk Southern excursion carries 10,000 gallons of water in its tender and an additional 12,500 gallons in its auxiliary tender to negate the need for additional water between stops. Allyson Praytor Q I saw a television show where steam locomotives were operating with two tenders instead of just […]

Read More…

The Erie’s super locomotive

TRNAT0214_01

Erie No. 2603, later No. 5014, was built in 1914 by Baldwin in Philadelphia. None of these 850,000-pound-plus locomotives were preserved. Herb Broadbelt Q With so much talk about Union Pacific’s Big Boy, I was wondering about other North American “big steamers.” Do you know the current location of any of the Erie Railroad’s three […]

Read More…

Popular railroad plates

TRNAT0114_01

This Chicago Railroad Fair plate commemorates the 1949 industry gathering in Chicago. It is popular, but worth less than $50. Two photos, Peter Smith Q I have been given a nice dining-type plate commemorating the 1949 Chicago Railroad Fair. It is cream-colored with red-brown single-color images of seven period locomotives (for example: Minnetonka, Tom Thumb, […]

Read More…

A fog horn on a Daylight

TRNAT0114_08

Southern Pacific Daylight 4-8-4 No. 4449 at Bend, Ore., in October 2012. The fog horn is at the top of the smokebox on the fireman’s side, or the right, as you look at the engine. Alex Mayes Q I was watching a video about the Southern Pacific Daylight 4-8-4 No. 4449, and I noticed that […]

Read More…

Santa Fe GP7s

TRNAT0114_07

Santa Fe GP7 No. 2651, above, was equipped with steam generators unlike its sister, No. 2656, which had dynamic brakes and was scrapped in 1966. Trains collection Q I have a black-and-white photo of Santa Fe GP7 No. 2656. The engine has what looks like a 48-inch fan on the top and 13 to 14 […]

Read More…

Norfolk Southern’s business cars

Q What happened to the permanently coupled two business cars, the “Virginia” and the “Carolina,” that the Southern Railway provided for its president and chairman?— Bob Sewell, Marysville, Wash. A The Virginia (NS 1) and the Carolina (NS 2) have been paired since they were built in 1928. Pullman originally constructed them for Southern Railway. […]

Read More…

AM radio antenna

AM-radio-antenna

It may look like a tiny handrail, but this is actually an AM antenna installed on some 1940s-era passenger cars. Michael Belcher Q What is the pipe on part of the roof of some 1940s-era diner and lounge cars as shown in Michael Belcher’s photo on page 90 of the April 2011 issue?— Randall Keils, […]

Read More…

Track signs

Track-snowplow-sign

The black-and-white sign with dots tells the plow operator to raise flanges prior to crossings, switches, etc. Greg McDonnell Q What does a whiteboard sign with black circles mean? It’s near grade crossings and sometimes has one black circle, and sometimes two.— Mike Cough, Kemptville, Ont., Canada A That board (which can also be black […]

Read More…

Calculating track grade

TRN-AT1211_01

Three Deseret Power Railway E60Cs begin the short but steep 2-percent descent into Coyote Basin near Bonanza, Utah, on July 8, 2009. David Honan Q How do you figure out the percent of the grade of a railroad track?— Richard Buckhold, Kirkwood, Mo. A Grades are expressed as the rise in feet per 100 feet […]

Read More…

Pandrol rail fasteners

TRN-AT1211_02

A Pandrol e-clip elastic rail fastener secures the rail to the tie, along with a type of hairpin spike. TRAINS: Kathi Kube Q How do Pandrol clips secure rails to concrete or wooden ties?— John Trifari, Sunnyvale, Calif. A The clips are made of spring steel and must be pressed into position by machinery or […]

Read More…