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Double door would be preferred for bundled or forklift loaded lumber. Single door is the default since there were waaaaaaaaay more single door cars.
Since nobody has addressed the real problem so far, I'll suggest you add some sort of electrical contacts to the throw mechanism. If you are using a tortise switch machine it has electrical contacts on it otherwise hook up a mircoswitch or other electrical switch to the throw linkage. Then put feeders to the stock rails and to the closure/points/frog rails. The problem isn't ballast, its electrical routing and the Walthers switch uses a poor electrical routing system. Replace it with a reliable
[quote user="jecorbett"] At this point, I'm willing to try just about anything but I'm trying to understand exactly what you are suggesting. Is it possible with a single switch to both change the routing of the turnout and the polarity of the frog rails. If I hard wire the frog rails, it seems to me the polarity must be changed simultaneously with the switching the point rails or else a short will result. Exactly how should this be done? [/quote] You have to have some mechanism
[quote user="BRAKIE"] Dave,Railroads still use fill tonnage but,mostly general freight but,will include auto racks,stacks and pigs,empty hopper cars.. You see if there is only (say) 10 auto racks they would indeed tack those on a general freight and annull the regular auto rack train.Now they have a free crew to use on another train. [/quote] Depends on the railroad and how they move their auto and premium business. If they operate a large amount of auto and intermodal business in dedicated
[quote user="ndbprr"]Those engines are probably too unique to ever be produced in plastic in HO. There was only one of each and they only ran on the west end of the PRR with very short lives so they have no crossover appeal and a very small time window. [/quote] I disagree. Based on the recent releases of the 4-12-2, the Erie Triplex, the Aerotrain, the UP turbines and the plethora of Big Boys, the potential of making another huge locomotive that was basically a footnote in history is too
Make some rock molds, aluminum foil or rubber. Cut some pieces of stiff metal wire or rod, coat them with wax or oil and lay them in the mold. Cast a rock over them. When the plaster sets, remove the mold then chip/pry the wire out of the plaster.
If you really want no holes in it use Liquid Nails.
[quote user="jwhitten"]I have hung masonite before, but by nailing (stapling) it to vertical stringers along the wall. I was just thinking about a method of securing it along the top and bottom that would not require putting holes through the main portion of it. [/quote] Why the concern about putting a couple holes in a $5 sheet of Masonite?
Roughly 1945-1960. Freight diesels became generally accepted during WW2 and by 1956 the vast majority of mainline steam operations were dead. People will argue the dates back forth a couple years either way, but that's the general range (and all the 'transition era" is is a general range). Were there yellow or orange boxcars? Sure. Were they common? No.
[quote user="GMS-AU"]They have introduced what is called mechanical separation - the knuckles between wagons are released but the air hose is left connected, and when the wagons are pulled apart by the loco the hose disconects hopefully at the hose couplers due to their design. While this works, it also result's in hose damage. Is this used in many other places?[/quote] SOP in the US since 1906. Happens tens of thousands of times a day all over N America. Damage only occurs when the
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