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The EMD F7 was the SD40-2 of its day, the first true "common" diesel locomotive; thousands were built and could be found powering almost any train. When production had ended some 2,366 F7As and 1,483 F7Bs had been produced by 1953 just four years after the locomotive was first cataloged. According to an article by Don Strack, published in the November/December 1991 issue of "Diesel Era: Volume 2, Number 6" the, "base price on two cab units was $161,000 and the base price for two booster units was $147,500." This was also the first instance of the Electro-Motive Division's new General Motors Diesel (GMD) subsidiary filling orders. Read more from this article about this historic loco on this site. My model was inspired by the Union Pacific 1471 and 1476B pictured below. It was really the only photo I could find of a UP F7 A/B pair. My initial inspiration came after recently obtaining sets 10020, the Santa Fe Super Chief, and 10022, one each of the dining, sleeping and observation cars. I can see why they are so coveted, each is beautiful!I set about to modify 10020 in several ways to make it look better. I decided on the UP scheme because my dad left me his LGB scale UP loco when he passed (just like his LGB BNSF that inspired this build, here). I modified the sides and doors to more closely resemble the F7a and F7b units (which I'm presuming the 10020 was based on). While the windows are not round (yet) the vents between them, the doors, the grab rails, plus the square sand fill doors are all details I tried to capture more accurately than set 10020 did. Plus the battery box and fuel tank underneath look better. I decided to add twin train motors to the a-unit to propel it because my trains are heavy, my curves are tight and one motor just doesn't have the traction necessary (power yes, traction no). The PF receiver blends in nicely on the rear and the middle fan on top acts as a power switch. Seven of my eight locos have a concealed power "button" accessible from the outside, the Super Chief being my only one I have to remove the top on. Speaking of consistency between locos, my BNSF and CSX have a distinct side window look with the two vertical tiles. I'm considering that same look for my UP. The taped up windows look okay, especially from a few feet away, and while I like the slightly more detailed or scale appearance, the tape looks unfinished and I'm not sure it is necessary. I also applied minimal detailing on the inside. The b-unit got an engine you can see thru the windows and the a unit got a hint of an engine hidden in amongst the wires. The lettering and numbering I did myself on my inkjet printer using Testors decal paper. They are applied wet then they dry nice and smooth. As usual I'll share my LDD file for anyone who wants to examine, build or modify my design. I'll upload that soon. Here you go. https://bricksafe.com/pages/sed6 Hope you like! Edit: just realized I didn't print the X1471 decals that go by the headlights for the nose! Also in the pic above the stickers peeling off are actually just static cling stickers, they work well enough but show some bubbles and don't handle tight radius curves like on the nose. The final water-slide decals are applied in all the above pictures, except this one.
The EMD F7 was a 1,500 horsepower (1,100 kW) Diesel-electric locomotive produced between February 1949 and December 1953 by the Electro-Motive Division of General Motors (EMD) and General Motors Diesel (GMD). Although originally promoted by EMD as a freight-hauling unit, the F7 was also used in passenger service hauling such trains as the Santa Fe Railway's Super Chief and El Capitan. The F7's prime mover is a 16-cylinder 567B series Diesel engine developing 1,500 hp (1.1 MW) at 800 rpm. The 567B is a mechanically aspirated two-stroke design in a 45 degree Vee configuration, with 567 cu in (9.29 L) displacement per cylinder, for a total of 9,072 cu in (148.66 L).
Murdoch17 posted a topic in LEGO Train TechBackground for the locomotives and train: "Atchison Topeka & Santa Fe 302" is one of a very rare breed. Built in August 1949 as a “A” (cab) and “B” (booster) F7 diesel unit for the Atchison Topeka & Santa Fe Railway (AT&SF), This Electro-Motive Division (EMD) product was painted in a variant of the famous Warbonnet (red,yellow and silver) color scheme called Bluebonnet (blue yellow and silver). The engine was intended for freight service and did so faithfully for 28 years. In late 1977 the two unit set was on the short list for conversion to an CF7 hood unit when the Wabash Frisco & Pacific (or WF&P for short) went looking for a engine to pull it's recently refurbished Merrimack River Runner. The Santa Fe gave them a two-for-one special on the tired F7 units, with the WF&P buying the A unit and getting the B for free. The new owner realized the historic meaning of this deal more than the old owner did: this was one of the last bluebonnet engines left, and one of a handful of AT&SF F7's not converted to the horrid looking CF7 hood unit. Needless to say, the WF&P snapped up the offer, and even set the loco to the EMD La Grange, Illinois assembly plant for the motor to be replaced with a newer, more powerful and easier-to-maintain power plant. The units came back to the WF&P in 1979, and have since been teamed up with the recently restored Southern Pacific Daylight 4460 (owned by the St. Louis-based National Transportation Museum) for trips up and around WF&P system. The front of the two units. The inside of the Cab (or A) unit. The inside of the Booster (or B) unit. Here we see the Merrimack River Runner being pulled by ex - AT&SF unit #302 The open platform observation car beings up the rear of the train. It may be hard to tell, but each passenger car has tables and chairs with removable roof on top. The baggage car is empty, and the locomotives have mechanical stuff including engine blocks and cab controls. Builders notes: Atchison Topeka & Santa Fe 302 really existed, but I have no idea what it was painted. It was probably either scrapped or converted to a CF7 hood unit along with most of the other F7 locos. The number I used came from the LEGO set number 10020, which uses number 301 for it's Warbonnet painted loco. I wanted this to a be a sister loco, so I used the next one up: 302. The Wabash Frisco & Pacific is a real 12 inch gauge steam railway based in Glencoe, MO. For my purposes they have been turned into a "real" railway. The Merrimack River Runner is a copy of the Missouri River Runner, a real Amtrak train starting from St. Louis and ending in Kansas City before reversing course and going back to St. Louis with some stops in between both cities. Also, the original LEGO Atchison Topeka & Santa Fe (known as the Santa Fe) Super Chief trains cars from the early 2000's were looking a little dated, so I redid them. I added Emerald Night style doors, removed the expensive roof slopes, and added a rear platform instead of the (extremely costly) curved window glass. The Southern Pacific 4460 really exists, but has not steamed since 1959. It is located in St. Louis MO at the real-life Transportation Museum. This is my Bluebonnet powered passenger train made into a sprite of the same style used by Herby's New LEGO train Depot, which features every Lego train rendered as a sprite. (link to that website: http://www.fa-meier....epot/index.html ) Anyway, the train is pulled by two F7 locomotives (that's one cab unit and one booster unit), while the train is made up of one baggage car, three passenger coaches, and one observation / lounge car. Here is the LDD file for the train: http://www.mocpages....1417446093m.lxf And as always Comments, Questions and Complaints welcome!