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Pacenotes for a rally.

In rallying, pacenotes are a commonly used method of accurately describing a rallying route to be driven in extreme detail. As well as dictating the general route to be taken, in terms of turnings, junctions, etc., all notable features of the route which might affect the way it is driven at speed are included. These details include the distance between each feature, the degree and severity of bends, adverse camber, crests and hill jumpings, surface type and conditions, potholes, special instructions to the driver, etc.

In order that the sheer quantity of detail is useful to a rally team, pacenotes are written in a tight shorthand which is read out loud by the navigator to the driver en route. 1 A number of systems have been devised, and there is no one standard for pacenotes, but in practice a number of typical de facto standards are usually used. Other variations include the preferred language of the team, metric or imperial measurements, etc. Pacenotes for a typical world-class rally stage might run to many pages, and the road book for the event might be several thick bound volumes.

On some events, the organisers provide an official set of pacenotes, and often the rules ban reconnaissance recce, meaning these notes are the only ones to be used. Other events permit crews to use any notes, either supplied to them by others or those they have compiled themselves. Compilation of notes requires access to the course ahead of the event, which is not always possible.

Contents

1 Typical notes

2 Jemba Inertia Notes System

3 References

4 External links

Typical notes edit

The following explanations apply to a typical set of hypothetical notes, and may differ from the systems found in real notes.

Example notes, distances in metres:

MC1 100 KL2 100 KR2 200 SQL 100 KR4 50J. R2 D/C. 100 SQR 400 F CR KL4 100 MC2

Translation:

From Main Control 1 start, 100 metres straight to a kink left, severity 2

100 metres, kink right severity 2

200 m, square left 90

100 m, kink right severity 4

50 m, Jump caution. into immediate right hand bend severity 2 tightens caution, don t cut the corner, due to hazard on the inside.

100 m, oversquare right

400 m, flat maximum speed into crest into kink left severity 4

100 m to Main Control 2 finish

This system uses numbers to describe the severity of bends, which is common, though others are used. Usually a 5-point scale is employed, with 1 being the gentlest of bends, with 5 being almost 90 degrees. The term square is used to indicate a genuinely 90 degree bend, and oversquare or square plus for even sharper. Hairpin is used for 180 degree bends or almost as much. Crews will agree a system such that the speed at which a bend can be safely negotiated is understood. A top rally driver will implicitly trust his co-driver, and be fully committed according to the information he is told. Naturally, good notes and good teamwork are essential for this approach to work.

Variations to this system may reverse the numbering system 1 being sharpest, 5 or 6 being slightest and changing the scale to 6 points.

Unusual features such as a ford or grid might be written out in full, rather than in shorthand. Other symbols that are not strictly text are also used, such as a pair of narrowing lines to indicate that the route narrows. Crests and bridges are also often indicated symbolically.

When pacenotes are read, the co-driver will not translate into the fully wordy text given above which are here as an explanation for the reader, but instead will keep some abbreviations, such as K for bend or kink. Distances are just given, the units are understood. The above notes might be read as:

100 K left 2, 100 K right 2, 200 square left, 100 K right 4, 50 caution Jump into right 2 tightens, don t cut, 100 oversquare right, 400 flat to crest into K left 4, 100 finish.

The co-driver will read the notes at such a pace that the driver will always have enough to go on, but not so far ahead that he will have forgotten it by the time the feature is encountered. Again, this pacing is something that comes with practice and development of teamwork. Often the co-driver will need to get inside the driver s head, and re-read notes that he thinks might have been forgotten, or for emphasis. Sometimes the driver might even ask for some notes again. The co-driver must also match up the notes to the actuality of the route being driven – it is easy to lose one s place, and incorrect notes can be more dangerous than no notes at all. Re-synching the notes with the actual route after a loss can be tricky, depending on the terrain. A good co-driver will always seek to prevent this happening.

Aids to accurate use of notes such as a calibrated odometer that can be controlled by the co-driver quickly are also often used. These feature a large readable digital display of the distance travelled, and can be preset to give a countdown of the distance to the next feature.

Jemba Inertia Notes System edit

Another system of pace notes is known as the Jemba Inertia Notes System.

References edit

WRC: Team talk: Pace notes explained., motorsport news, results, features, teams, drivers, updates

External links edit

Pacenotes. RallySport Ontario.

Kean, Dave. Pacenotes. Archived from the original on 6 February 2007.

Rally Co-Driving Behind the Scenes, Part 5: L5 n.c./Jmp/r.r. R6 4 50 . L3/ into OMGWTF.. Rally Takeover. 15 April 2013.

Intro to stage notes PDF. Lina Racing. October 2003.

Caswell, Bill 7 January 2013. The Secret Language Of Rally. Jalopnik.com.

Marciniak, Kristopher May 2013. Everything you ever wanted to know about: rally notes. Rallynotes.

Retrieved from https://en.wikipedia.org/w/index.php.title Pacenotes oldid 666935983

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