Normal (referring to signal or points levers)
The position of a signal or points lever when it is pushed forward, or in the centre position, in its frame.
Normally Closed (N/C)
A term for a switch or circuit that is normally conductive to electricity (i.e. normally ON). When activated, the circuit or switch will open (switch off)
NMRA ...
Normal
Usual position of points or signals before action initiated by signalman to allow a train movement.
Normal Gradient ...
Normally, the plan calls for us to be ordered for about 1130 in the morning. Most days it is later. On occasion, it is really, really late. It always seems like the day before our day off, referred to as "getaway day" we got called late.
Normally when items are in stock, you will get your Honor Guardsman within two weeks. However, this is a hand made product and there can be delays, especially in summer. (We can only cast on clear days when the temperature is lower than 83 degrees.
Normally, you would connect two signal circuits to each detector - one for each end of the block.
Normal triggering schemes and timing lengths are not affected by this method.
The timer RESET terminals are available and can be used individually or together if desired.
Normal Speed
The maximum authorized speed shown in the timetable.
Office Car ...
"Normal" day-to-day losses and damages as a result of moving freight such as vandalism, damage due to shipping or derailments and accidents.
Maintenance of Way (MOW) ...
subway normally refers to a specially constructed underpass for pedestrians and/or cyclists beneath a road or railway, allowing them to reach the other side in safety.
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Drill Bits
Normally made of hardened or high speed steel with two cutting edges on the conical end with two helical flutes that act to move material away from the cutting edges.
Head End Cars - Normally attached to the front of a passenger train, baggage, mail, railway post office, and express refrigerator cars are examples of head end cars.
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Exclusive Right of Way The placement of LRT tracks with a grade separation from normal street traffic. LRVs are able to operate at significantly higher speeds in areas of AN exclusive right of way.
This would be a torturous grade for a real railroad, whose normal heavy grade is 2.5 to 3%. For most beginner train sets this is steep, but manageable. No steeper is recommended.
Prime Mover A V-type diesel with 8 to 20 cylinders rated at about 125 hp per cylinder if normally aspirated or 250 hp per cylinder if Turbo charged.
Abnormal Heavy Road Load Any road load which falls outside the scope of the Construction and Use Regulations because of its weight or weight distribution.
An alternative name, occasionally used, for what is normally called a scenario.
Advanced Passenger Train (APT)
RAILWAYS. The infamous British tilting train. Defunct.
AFC
RAILWAYS.
Slow order: A local speed restriction below the track's normal speed limit. Slow orders can be imposed on a temporary basis to protect, for example, maintenance of way employees while sections track are under repair.
The water of a stream retained at an elevation above its normal level through the controlling effect of a condition existing at a downstream location such as a flood, an ice jam or other obstruction.
Ballast.
Halt - Stopping place, without normal station facilities, for local train services.
Hardshell - A scenery base made by dipping paper towels in plaster and laying them over a light support structure.
It is the normal mains supply.
Advanced Uncoupling : A system of automatic uncoupling where the rolling stock are pushed over an actuating mechanism which uncouples the locomotive/wagons.
Add, to Couple car(s) to a train Adhesion Coefficient The ratio of tangential and normal force that exist between the wheel and the rail during motion.
hi-cube — a box car with a higher than normal inside height providing more cubic capacity for the carriage of light weight, high volume freight.
Shunting signal A smaller than normal signal that is used specifically to indicate whether or not particular shunting moves may take place. Not usually modelled on layouts.
Examples of what you could use as a final stand include a doll stand (glue the tree "trunk" onto the stand where the doll's leg would normally sit; a large jar or tin with smooth edges filled with pebbles; ...
Since all switches in dark territory are hand thrown, trains need to stop to reverse or normalize a switch.
Normally power is supplied to the motors causing the wheels to pull the train.
If done the other way, with engine coupler open and box car coupler closed, they would lock normally with light impact.
The motor "slip," normally close to zero, will increase as reduced power is supplied to the motor, and the motor poles don't receive enough power to produce the force necessary to keep up their normal speed.
The point rails are also a bit shorter than normal with their point a flangeway distant from the stock rail. How do the wheels cross the gap at the point a flangeway distant from the stock rail? As always, we must follow the standards.
Standard track switch equipped with a spring mechanism that automatically returns the switch points to a normal position after they have been displaced by the passage of cars in a trailing point movement.
This system has a handheld transmitter that sends radio or infra-red signals to a receiver connected between a normal power supply and the track. The range is up to 300 feet and no cable is involved.
In model railroading, normally a train control device configured to convert household AC current to low-voltage DC current which is used for the operation of most model trains that run on two-rail track.
Primary Coil ...
The Cincinnatian traveled over the Magnolia Cutoff which was normally reserved for fast freight. The train bypassed Cumberland, Maryland and 30 to 45 minutes were saved by using the Patterson Creek Cutoff.
An iron or steel casting which transfers the weight of a bridge to its supports. One end is normally a solid mounting while the opposite end allows for expansion and contraction.
Bright Boy
(brand name) An abrasive rubber block used to clean track.
- Place inverted signs on the backs of reflected structures, street signs, commercial signs so that when they are reflected in the mirror, the lettering can be read normally.
Incidental charges for service rendered such as demurrage, weighing, diversions, etc. which are in addition to normal transportation charges.
Accessorial Service ...
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 See also: Track, Train, Point, Engine, Current
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