Ho scale track gradient generator,woodlands bank minneapolis,atlas trains facebook,trains n scale locomotives - 2016 Feature

admin 10.02.2015

The ramps are made of flexible but stable foam material and can be curved according to the respective track plan. International Shipping - items may be subject to customs processing depending on the item's declared value.
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There’s nothing wrong with having flat level areas of track, but changing the elevations by including gradients (slope of railroad track) can add considerable interest to a layout. Adding grades to a model railroad can increase the option of including tunnels, bridges etc as the trains meander through the countryside or mountain ranges.However, railroad grades need careful consideration if you are to avoid operational problems such as derailments or stalling locomotives.
It’s not just the loco that will need to safely navigate up or down the raised track, it is also the fully laden cars carrying coal, timber, metal, refrigerated foods, fuels, vehicles, livestock, or even people (well, plastic models of people). A heavier loco might be able to climb a steep grade, whereas the wheels on a lighter weight loco might slip. This is basically a motorized boxcar or freight car that can be positioned somewhere towards the center of a long train.
They just need to be evenly spaced along the train.How Steep Should The Track Grade Be?A track gradient is measured as a percentage of rise over the length of the track. So if the model train track stretches for 100 inches, and over that distance the train climbs by one inch, then the gradient would be 1%. Compare that to a short 25 inches of model train track with the same 1 inch rise – that would be really steep and equate to a 4% rise.


Real railroads need to make money, so having trains stall or derail can prove costly.Broken down trains can block the line (upsetting schedules), derailed trains can be expensive to get back on the tracks, damaged goods (or passengers) is bad for business, and damaged trains or track can run into big money to replace or repair.
That’s why real railroads choose to minimize operating costs and minimize risks, by avoiding overly steep gradients. As I mentioned earlier, a 1 percent grade poses few problems on most layouts.As with life-size railroads, the grades on a model railroad will be determined by the weight and length of trains.
Other factors will be the number (and type) of locos being operated and the track speed limit. That’s not to say model trains can’t or don’t operate on grades of 4%, 5%, or even 6% – they do.
But the steeper grades are more likely to operate short trains, geared locos, and at slow speeds.
Mainline grades are generally below 2%.The thing to remember is that on real railroads the trains gain considerable momentum on long straight level sections of track. If the track runs level for several miles and then has a small ? mile run of steeper 2 percent grade, then the power of the train will take it up the grade without too much effort. So, from a railroad management view point, the 2% grade is unlikely to disrupt schedules or add greatly to the running costs. A lot more pulling power would be required to haul the same train.More info on model train grades, realistic scale speedsCurves and bends also influence operations on level ground as well as on gradients. A sudden change to track slope or angle is a recipe for disaster, posing a higher risk of unplanned uncoupling or even derailments. This is because curves increase the wheel and rail friction making it more difficult to haul a train up a curving gradient, and less troublesome taking it down.However, a including curves on grades can give a longer run where space is limited on a model railroad. Gradients can add considerable interest to a scale railroad, especially where one track passes over another on trestles or bridges. As long as there are no track or wheel faults, a train will generally run along a straight section of track without difficulties. Add a tight curve, an ‘S’ bend, or steep gradient, and train speed and operation changes.Curves and Grades Need SpaceTo achieve continuous running, a layout will need 180 degree curves so the train can turn around without stopping. Due to space limitations, this is not possible on every layout, especially on narrow railroads. The minimum radius of curves will also vary depending on the scale.The above chart shows various scale clearances needed when planning tunnels and bridges.
Remember that when a track rises it generally needs to come back down again, so the length of the grade will need to be doubled to allow for both the rise and descent.When constructing a layout it is always best to try and avoid potential problems, rather than try to fix problems after they have happened.


Simply things can save a lot of frustration, like testing the trains on your layout BEFORE gluing down the track and grade foam. They need to be able to take the curves without derailing and climb the grades without coming to a standstill. Obviously you will need to decide how many cars each train is likely to have to conclude whether the track configuration is adequate for your needs. There’s no point in having a fancy layout that isn’t practical to operate. Share This Post7 Responses to What’s the Maximum Climbing Gradient for Model Trains? Reply John Mc Cabe says:Grades look great on long model train layouts but not on short ones, which can look too much like a toy train. If you’re not going prototype, remember that trains need a grade to go over something, and that the height at the crossing over has to clear the object below it. To test it, make a grade carefully with something like extruded plastic, going from 0 inches to your maximum height. With track nails, which can be pulled out of the extruded plastic easily, set up your track with a power pack at one flat end, and run the locomotive over it, putting some cars behind it.
If your hand or hands get stuck, call the Model Railroad Police, though you might have to wait awhile. A good example of a bad grade is where they have beginners make a steep grade up and over a cross track and right back down. I run 2% grades and pulling 20 foot HO trains can be done with 2 engines depending on the axles pulling. Reply Kevin Ching says:I use an adjustable builders level with one level able to be adjusted to the correct level when laying this along the track bed before laying the track so that you get the gradient at the same constant grade.
Reply David Broad says:I have used a grade of 1 in 36 on an indoor steam era UK layout for many years but while the old die cast Wrenn locos are happy with 7 passenger coaches or 17 4 wheel good wagons modern locos need more loco adhesion weight, removing bogie springs etc, and less drag like removing Tender weight and deleting tender pick ups. Also, please check your spelling and punctuation as all questions need to be approved by the blog moderator prior to publication.



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