What is the steepest grade for a model train?

Try to limit all your grades to 1.8%, unless you really want some interesting (or aggravating) operations to be required. 4% is an absolute maximum... real railroad have very smooth, gradual changes in elevation, your model railroad will look best if it does the same.



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Conventional trains, using steel wheels on a steel track, could never efficiently climb a track as steep as most funicular railways. Steel wheels are used to decrease rolling resistance, which improves the efficiency of trains on flat ground, but would hinder their ability to get traction going up steep slopes.

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Most trains find it difficult to climb hills and mountain slopes. The trains of cog, or rack, railroads, however, can scale steep slopes using a special toothed rail, known as a rack, in the middle of the track. The train has a cog that meshes with the toothed rail.

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When it comes to HO scale, you can't go wrong with Athearn Genesis or Atlas. Both manufacturers' lines are top quality in realism and functionality. Athearn Genesis trains are known for the painstaking attention to detail that they're built with, in everything from the texture to the whistle's sound.

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Hillclimbing is a problem faced by railway systems when a load must be carried up an incline. While railways have a great ability to haul very heavy loads, this advantage is only significant when the tracks are fairly level. As soon as the gradients increase, the tonnage that can be hauled is greatly diminished.

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Train Tilting Systems Found on both high-speed rail systems and legacy lines, tilt trains are designed to tilt carriages into the curve of the track. The tilting action of the car body compensates for the force experienced by passengers inside, particularly when rounding curves at a high rate of speed.

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