Number 13 Frog Traditional Cache

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Team-Triplet: If magnetic caches are a problem, then they should be banned.

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Hidden : 1/27/2013
Difficulty:
1.5 out of 5
Terrain:
2 out of 5

Size: Size: micro (micro)

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Geocache Description:

A Traditional cache on the National Cycle Route 6 located between the Trent and Mersey canal and Swarkestone Road.

Frog - not the carnivorous short-bodied, tailless amphibians, which are kissed by damsels hoping to find a handsome prince (some of which turn out to be right toads ), but one of the railway variety.
 
Frog - also known as the common crossing or vee, refers to the crossing point of two rails.  This can be assembled out of several appropriately cut and bent pieces of rail or can be a single casting.  A frog forms part of a railway turnout or point (switch in USA), and is also used in a level junction (flat crossing).  The frog is designed to ensure the wheel crosses the gap in the rail without "dropping" into the gap; the wheel and rail profile ensures that the wheel is always supported by at least one rail.  To ensure that the wheels follow the appropriate flangeway, a check-rail ("guard rail" USA terminology) is installed inside the rail opposite the frog.
 
The term "frog" is taken from the part of a horse’s hoof it most closely resembles.  Certain types of overhead electrification systems that makes use of trolley poles have similar devices referred to as wire frogs.  On dual-gauge points, a special frog is used where the 3rd rail crosses the common rail.  Denver and Rio Grande crews called this a "toad."
 
Turnouts are rated by number, which represents the ratio of divergence per length as measured at the frog.  The smaller the number the greater the turnout angle and the slower the speed at which they can be safely traversed.  The higher the number, the better, but the turnout will be longer.  Higher number turnouts are used for high speed railway lines and eventually get to the point when they are replaced by a swingnose crossing (moveable point frog).  A motor or switch mechanism moves a small portion of rail, to eliminate the gap in the rail that normally occurs at the frog.
 
At home with model railways, turnouts using frogs sizes between #4 and 8 are commonly used.  Smaller sizes are used with Hornby and Peco set track systems.  In the real world such small sizes would only be seen on tramways and in freight yards which are restricted to shorter wheel based rolling stock.
 
You are looking for magnetic container.  Please bring your own pen.
 
Well done to SMacB who got FTF in 1 hour 27 minutes.
 
This is one of many caches which are being laid down by Cerises and I around popular cycling and walking routes of ours.  Take a note of the letter and clue, eventually it will assist in finding a bonus cache. 

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