GRAND PRIX RULEBOOK 2013

You can download Rulebook in pdf here.

Last update 2013-05-01.

 

Grand Prix 2013 is series of races of Open Czech Championship in classes PR/24, ES/32, F1/32, ES/24.

 

1. Race calendar

1. 
Praha 1. - 3. 2. 2013 
PR/24


ES/24
2. 
Jihlava 5. - 7. 4. 2013 
  ES/32
F1/32
 
3. 
Pardubice 31.5. - 2.6. 2013 
PR/24  
ES/24
4. 
Pardubice 6. - 8. 9. 2013 
  ES/32 F1/32

2. General principles

2.1. Rulebook and race results

 Rulebook and race results are available on Grand Prix web pages.

2.2. Grand Prix direction

2.2.1. Chairman

Chairman is responsible for whole series (organization, technical rules and results).

 

2.2.2. Race director

Race director is responsible for running the race. He is also responsible for running the whole event including the results service and keeping to the time schedule.

 

2.2.3. Technical committee

Technical committee consist of the chairman and two technical inspectors. Technicals inspectors are appointed by the chairman for each event and each class. Technical committee is responsible for technical inspection, technical control before final and pit area. They solve technical issues related to the cars.

 

2.2.4. Race jury

Race jury consists of the race director, two stewards and one steward deputy. They are appointed by chairman for each event. Race jury solves issues with lap counter, penalties, rules interpretation, etc.

2.3. Entry fee and registration
  Experts 200 CZK per class
  Amateurs and juniors (16-18 years) 150 CZK per class
  Kids (under 15 years) 100 CZK per class

Entry fee must be paid for all classes during registration before the race.

2.4. Track condition

Track must be cleaned and spray glued by race organizer, before the start of open practice. Drivers cannot alter the track surface condition in any way. Only the track braids/strip may be cleaned. Only the race direction may modify the track condition, upon the authorisation of the race jury. It is prohibited to use non Slot racing chemicals (e.g. RC rubber softener).

2.5. Time schedule
Friday: 14:00 - 18:00    open practice - all classes
  17:00 - 21:00    registration
           first class
  18:00 - 22:00    practice
Saturday: 7:30 - 8:00    practice
  8:00 - 8:30    technical inspection
  9:00 -      short race
  1 hour    practice
           long race
           second class
  2 hours    practice
Sunday: 7:30 - 8:00    practice
  8:00 - 8:30    technical inspection
  9:00        short race
  1 hour    practice
           long race

Time schedule can be modified depending on the number of entries.

2.6. Race procedure

2.6.1. Amateurs and Experts

An Expert is a driver who has made at least one semifinal at an ISRA Worlds. Other drivers are placed in a group of Amateurs. This split can be modified in individual cases by the chairman. Amateurs and Experts always race together.

 

2.6.2. Practice

Practice on Friday from 2 to 6 p.m. is open for all classes. Before each class there are 2 hours of open practice and 1 hour between short and long race.

 

2.6.3. Class order

PR/24 – ES/24

ES/32 – F1/32

 

2.6.4. Technical inspection

Technical inspection is completed by the Technical committee. Lagal cars can be marked by technical inspectors. A second, identical, body can be submitted for technical inspection.

 

2.6.5. Enclosed park

All legal cars including spare bodies are placed in enclosed park after technical inspection. Technical inspectors return cars at the start of qualification and at the start of heats or final. Before the final of long race in ES/32, F1/32 and ES/24 there is a 30 min. service break. Track has power on during this break. Only the race car may be used. All cars have to be at technical inspection at the end of the service break. Non legal cars must be repaired and checked during warm-up or during the race.

 

2.6.6. Drivers list

Qualification order is determined by ranking of previous year for the first race and by actual ranking for following races.

Starting list of heats ES/32, F1/32, ES/24 and final PR/24 is determined by qualification results. Drivers chose starting lanes for the final of long race in ES/32, F1/32 and ES/24 in order determined by heat results.

 

2.6.7. Short race

Qualification All drivers run 1 min. – the best lap time is counted.
Main race All drivers run 8x4 min.

 

2.6.8. Long race PR/24

Qualification All drivers run 1 min. – number of laps and number of last lap sections are counted.
Main race All drivers run 8x7,5 min. There is no warm-up before 1st segment. Race results is the sum of laps and sections from qualification and final.

 

2.6.9. Long race ES/32, F1/32, ES/24

Qualification All drivers run 1 min. – the best lap time is counted.
Heats All drivers run 8x3 min. Drivers who qualified in the first 8 places are in the A group etc. First 16 drivers from heats move to the final.
Final 16 drivers run 8x5 min.

 

2.6.10. Start of segments

Cars are returned at the start of qualification, heats and final by the race organizer or technical inspectors. Before the first segment of each stage there is a 1 min. "warm-up" (except final of long race PR/24). After any repairs during the warm-up the car is re-checked on the start lane.

First segment starts from the start lane and following segments start from position where the car finished the previous segment. After last segment lap sections are written.

 

2.6.11. Lane change

Lane change is 1 min. During the lane change, it is allowed to only change the lane sticker, adjust braids and push in body pins. Using tools and chemicals is prohibited.

 

2.6.12. Track call

Race director can stop the race only if the car is in non-marshalable position (i.e. under bridge, on main straight or on the floor in an area indirectly accessible), when there is a rider (a car on the wrong lane) or if the track is damaged (i.e. braid up, power failure). Drivers can ask for stop by calling the word "Stop" or "Track". An illegal track call is penalized.

During a track call the only repairs allowed are adjusting braids and pushing in body pins. If a car was damaged by another driver on the main straight, or by a marshal mistake, the race director can give the driver a reasonable amount of time to make a necessary repair.

 

2.6.13. Lane rotation

Lane rotation is "1-3-5-7-8-6-4-2"

 

2.6.14. Marshalling

Drivers, at the end of their group, must marshal in the next group. In the first group marshalling will be done by the drivers of the A group. In the final drivers of the A group marshal the B group and vice-versa. Missing marhals will be penalized.

2.7. Protests

A driver may protest in written form within 15 minutes of the end of a race with a protest fee of 300 CZK. Race jury have a maximum of 1 hour to decide the result of the protest.

2.8. Penalties
Unsportsmanlike conduct - first infraction - warning
                                         - second infraction - 10 laps
                                         - third infraction - disqualification
Illegal track call - 2 laps
Illegal repair during lane change or track call,
 using tools or chemicals
- 10 laps
Using illegal parts (change chassis, etc.) - disqualification
Missing marshalling in race - 10 laps
Accidental crash of the straight in front of the drivers - 10 laps
Late return after service break - 10 laps
2.9. Results

2.9.1. Points

In each class, drivers are awarded whole points for the first 16 drivers (25 - 21 - 18 - 16 - 14 - 12 - 10 - 9 - 8 - 7 - 6 - 5 - 4 - 3 - 2 - 1). From 17th place onwards, drivers receive partial points which are equal to their order from the end. Other points awarded, include the 2 fastest qualifiers (2 - 1). All points are counted in total ranking. In case of identical points, the ranking is determined by the best results achieved by the driver.

Amateurs are evaluated separately.

 

2.9.2. Czech champion

Winner in total ranking becomes Czech champion.

 

3. Technical specification

3.1. General rules

3.1.1. Front wheels must be black, rotate on their axes and must be placed vertically on the chassis.

 

3.1.2. Body cutting must maintain every detail of the real car (i.e. lights, wheel position) and have the form as produced by the manufacturer. No additional aerodynamics part is allowed.

 

3.1.3. Body must be completely opaque. Windows must be clear and all four wheels must be completely visible when viewed from the side.

 

3.1.4. All cars must displayed numbers in at least 3 different positions.

 

3.1.5. Drivers name must be displayed on the chassis or on the body.

 

3.1.6. All cars must have 3-dimensional interior in the original cocpit position and block any view of the chassis from above.

 

3.1.7. The body must cover the entire chassis including the rear tires and guide flag in at least one position.

 

3.2. Group X12 motor specification

3.2.1. Only parts from following producers are approved: Mura, Champion, Proslot, RJR, Cahoza, Koford, Red Fox, Kamen and Viper.

 

3.2.2. C-Can with minimal dimensions inside: height 14.2 mm, diameter 21.2 mm, length 23.5 mm. Only make groove for rear axle is allowed.

 

3.2.3. Only plastic endbell is allowed.

 

3.2.4. Only two ceramic magnets with minimal dimensions: height 14 mm, length 11.5 mm. Only make groove for rear axle and regrind internal diameter is allowed. Magnet shape cannot be modified in any way.

 

3.2.5. Armature must be commercially available, tagged by label X12, 12, CA2, C2. Minimal diameter is 13.0 mm, maximal 13.2 mm. Armatures may be reconditioned (rebalanced, commutator trued). Axle diameter must be 2 mm in whole length.

 

3.2.6. Other allowed modifications: use ball bearings, magnets glued in place, removal of magnet clips, use any 3-coil brush springs, any brushes, any spring cups, any screws and use shunt wires and spring insulation.

 

3.3. PR/24

Touring and GT cars in 1/24 scale

 

3.3.1. Body

Approved body list:

  • BPA (CZ) - Alfa Romeo 156 GTA (K047), Honda Accord (K050), Škoda Octavia WTTC (K067), Volvo S60 (K061), Honda Accord Cup (K060), Honda Accord Cup (K078), Toyota Coupe (K087).
  • RedFox (BRA) - Mercedes DTM, BMW 320 WTC, Ford Fusion

Experts may use only body Toyota Coupe (K087).


3.3.2. Motor

Only group X12 motor is allowed. Kids can use also group 16D motor.

 

3.3.3. Chassis

Approved chassis:

Chassis PR24

Experts must use only chassis Champion Turbo Flex or JK X25.

It is forbidden to use aluminium pans. Chassis can not be modified (change shape, increase holes). Oilites, pin tubes, front wheel retainers, front axle and motor may be soldered. Motor may be soldered using tube or wire placed on the rear axle side of the motor or using original motor holder (only JK X25). U-shape piano wire with maximum diameter 1.6 mm is allowed to reinforce the pillow block.

Front axle must be one straight shaft. Hollow rear axle and the use of ball bearings are prohibited.

Lead may be taped or glued to the top of the chassis.

 

3.3.4. Wheels and axle

 

  min front wheel diameter 12.7 mm
  min front axle diameter 1 mm
  rear axle diameter 2.36 mm
  min front wheel track 72 mm
  max rear tire width 20.7 mm

 

3.3.5. Car dimensions

  min ground clearance under rear axle and between rear tires 0.8 mm
  max width 83 mm
  min distance from top of rear axle to bottom of chassis 8.6 mm
  min height at bottom of windscreen 23 mm
  max height from track surface to bottom of rear bumper 12.7 mm
  max height at rear wing 35 mm
  max distance between centre of guide pivot hole to centre of rear axle 120 mm

 

3.3.6. Recessed tech block (guide and rear tires) is used when measuring car dimensions except ground clearance.

 

PR24dim

 

 

3.4. F1/32

Formula 1 cars in 1/32 scale

 

3.4.1. Body

Approved body list:

  • BPA (CZ) - Ferrari (K040), Jordan 199 (K031), Williams WF23 (K039), Jaguar R4 (K048),                    McLaren MP4-17 (K045), BAR Honda (K056), Toyota TF015 (K064)
  • RedFox (BRA) - McLaren (version 2003, 2005, 2006, 2010), Ferrari (version 2008)
  • CAT (GB) - Red Bull 2008

The paint scheme must represent actual F1-team's car from 2004 to 2013. Pearl, fluorescent and metalic paints are only allowed if it is part of original paint scheme. Front vertical edge must be at least 1 mm.

 

3.4.2. Motor

No restriction.

 

3.4.3. Chassis

Motor must be mounted in chassis in the "in-line" position (i.e. in 90° angle to the rear axle).

 

3.4.4. Wheels

  min front wheel diameter 14 mm
  min front wheel width 4 mm
  min rear tire diameter 15 mm
  max rear tire width 16 mm

     Rear tires must be black.

 

3.4.5. Car dimensions

  min ground clearance under rear axle and between rear tires 0.8 mm
  max width 68 mm
  max width of chassis between axles 52 mm
  max width of chassis under front axle 34 mm
  max distance between centre of guide pivot hole to centre of rear axle 110 mm
  max length of pans 68 mm
  max height at rear wing 30 mm
  min height of rear wing endplate/sidepot 12 mm

 

3.4.6. Recessed tech block (guide and rear tires) is used when measuring car dimensions except ground clearance.

F1dim

 


3.5. ES/32

Race cars in 1/32 scale

 

3.5.1. Body

Front vertical edge must be at least 1 mm.

Experts may use only:                    RedFox (BRA) – Audi R10

Amateurs can also use:                  BPA (CZ) – Courage C60 (K057)

                                                       BPA (CZ) – Lola Judd (K068)

                                                       CAT (GB) – MG Lola (#004)

 

3.5.2. Motor

No restriction.

 

3.5.3. Chassis

No restriction.

 

3.5.4. Wheels

  min front wheel diameter 12.7 mm
  is it possible to use decals sticked in front wheel arch area instead of front wheels
  min rear tire diameter 15 mm
  max rear tire width 16 mm

 

3.5.5. Car dimensions

  min ground clearance under rear axle and between rear tires 0.8 mm
  max width 64 mm
  max distance between centre of guide pivot hole to centre of rear axle 105 mm
  min height of front fenders 16 mm
  min height at cabin or at roll hoop 22 mm
  max length rear wing sides 25 mm
  max height at rear wing 32.5 mm

 

3.5.6. Recessed tech block (guide and rear tires) is used when measuring car dimensions except ground clearance.

ES32dim

 


3.6. ES/24

Race cars in 1/24 scale

 

3.6.1. Body

Front vertical edge must be at least 1 mm.

Experts may use only:                    RedFox (BRA) – Audi LMP

Amateurs can also use:                  BPA (CZ) – Cadillac LMP (K052)

                                                       BPA (CZ) – Lola Judd (K075)

 

3.6.2. Motor

No restriction.

 

3.6.3. Chassis

No restriction.

 

3.6.4. Wheels

  min front wheel diameter 12.7 mm
  is it possible to use decals sticked in front wheel arch area instead of front wheels
  min rear tire diameter 15 mm
  max rear tire width 20.7

mm

 

3.6.5. Car dimensions

  min ground clearance under rear axle and between rear tires 0.8 mm
  max width 83 mm
  max distance between centre of guide pivot hole to centre of rear axle 125 mm
  min height of front fenders 18 mm
  min height at cabin or at roll hoop 26 mm
  max length rear wing sides 33 mm
  max height at rear wing 35 mm

 

3.6.6. Recessed tech block (guide and rear tires) is used when measuring car dimensions except ground clearance.

ES24dim

 


4. Important contacts

 

Organizers of the events Grand Prix 2013

  • AMC Podbaba                           Libor Kacir                 Libor.Kacir@seznam.cz
  • SCRC Jihlava                             Jiri Novacek              jiri.novacek@cmks.cz
  • SCRC Pardubice                        Petr Krcil                   pkrcil@elgas.cz

 

Czech Modellers Association web pages                            http://kaum.svazmodelaru.cz/

Grand Prix web pages                                                        http://grandprix.attanslot.cz/

 

Rulebook prepared by Jiri Karlik

You can download Rulebook in pdf here.

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