USSC Western Rules and Regulations

[David Cole]

2005 U.S. SUPERKART CHAMPIONSHIP WESTERN SERIES
RULES AND REGULATIONS


1. Classes: Intercontinental 250 ICE and Formula 250 E.

2. Legal Engines for 250 FE: Twin cylinder 2-cycle engines w/ a maximum of 250cc, water or air-cooled. Twin cylinder 4-stroke engines w/ a maximum of 500cc, water or air-cooled.

3. Legal Engines for 250 ICE: Production based 250cc (max), single cylinder, 2-cycle engines, water or air-cooled. Production based 500cc (max), single cylinder, 4-cycle engines, water or air-cooled.

4. Induction (FE and ICE): Engine induction may be by carburetor or fuel injection only. Inlet size not controlled. No turbo/super charging or nitrous oxide systems allowed.

5. Cylinders: (FE and ICE: 2-Cycle): Cylinder manufacturer is open, modifications are open, however the swept volume for the motor may not exceed 250cc per cylinder, or a maximum of 125cc per cylinder for twin cylinder F/E class engines.

6. Cylinders: (FE and ICE: 4-Cycle): Cylinder manufacturer is open, modifications are open, however the swept volume for the motor may not exceed 500cc per cylinder, or a maximum of 250cc per cylinder for twin cylinder F/E class engines.

7. Cylinder Heads: Open all classes.

8. Ignition: Open all classes.

9. Transmission: Open all classes.

10. Exhaust: Silencer may extend a maximum of 5” beyond rear bumper. Sound levels must not exceed maximums set by local jurisdictions and or track operators.

11. Fuel: Gas and oil only. Legal fuels are:

· Track Fuel
· VP C11
· VP C12
· VP MR8
· VP Motorsport 109 (unleaded)

Fuels will be sampled from the carburetor and sent to a lab to determine legality. Any competitor found running illegal fuel will be banned from the series for 1-year.

12. Chassis Construction: Traditional welded steel tube construction only. Minimum tube diameter is 25mm (1.181”) and minimum wall thickness to be 2mm (.0787”).

13. Weight: Standard weight for FE is 485 lbs and ICE is 465 lbs.

14. Wheel base: 50” maximum, 43” minimum (no 125 sprint chassis allowed)

15. Width: 55” maximum

16. Height: 30” maximum

17. Length: 96” maximum, including all bodywork.

18. Rear axle: Open

19. Brakes: Brake systems in all classes must provide four-wheel braking and include two independent master cylinders to control front and rear brakes. No running carbon rotors (unproven part = safety issue).

20. Suspension: No types of suspension or shock absorber systems are allowed.

21. Wheels: 6” diameter maximum. (3) Outer beadlocks are required on each rear wheel. Inner beadlocks are recommended on rear wheels.

22. Required Safety Wiring: Where exposed to excessive heat, brake component fasteners must be metal interference type lock nuts or fasteners must be safety wired. No nyloc type fasteners may be used in high heat applications. Brake rod “quick clips” must be safety wired or zip-tied. The fastener at the lower end of the steering shaft must be safety wired. All ballast weights must be retained with bolt hardware sufficient for the weight load, must be painted white and must have kart number written on it. Fasteners must be safety wired, cotter keyed, or double nutted.

23. Hub Retention: Nuts on the front stub axles must be retained with safety wire, cotter keys, or snap rings.

24. Cooling System: Coolant must not contain any oil based or ethyl glycol based additives. Water Wetter is allowed. Catch cans are required.

25. Bodywork: Bodywork is to consist of a front nose, driver bubble, left/right side pod and rear wing. No tattered karts allowed. Note- 125 shifter, CIK style bodywork w/ a wing does not constitute legal bodywork.

26. Nose: Minimum width: 38”, Maximum width: 50”, Minimum height: 10”.

27. Side Pods: Two required. Minimum height: 10”, Minimum width: 8”, Minimum length: 24”.

28. Driver Bubble: Minimum width: 14”.

29. Rear Wing: Minimum width: 42”, Maximum width: 48”.

30. Floor Pans: Floor pans are open, however no aerodynamic sealing devices may extend below the frame rails from the front edge of the front tires to the rear of the vehicle.

31. Pre-Race Tech: All vehicles must pass a pre event technical inspection prior to entering the racing surface.

32. Radios: Two-way communication systems are allowed.

33. Numbers: Required on front, rear, and sides. Must be legible for scoring purposes. Yellow backgrounds for FE, white backgrounds for ICE.

34. National Number: The winners of the U.S. Superkart Championship are allowed to run the “US” plate the following year.

35. Events: The Western Series will consist of 3 races. The National Championship will combine the Western and Eastern Series at Road Atlanta in November, 2005.

36. Competition Format: Qualifying will typically be held on the Friday of the event to set the grid for Race #1 on Saturday. If qualifying cannot be held, a pea-pick will set the grid. Race #1 will be a 30-minute race and will be a points race. The finish order of Race #1 will set the grid for Race #2. Race #2 will be a 30-minute race and will be a points race.

37. 125% Rule: Any kart that cannot maintain a speed within 125% of the leader of entered class may be subject to a black flag for safety reasons. This will be looked at on a case-by-case basis.

38. Starts: Two by two rolling starts after a minimum of one rolling lap. The ICE field will start behind the FE field.

39. Post Race Tech: At a minimum, tech shall consist of scaling the kart, driver, and equipment immediately after the race event. No fuel or weight may be added prior to scaling after qualifying or racing. Further mechanical compliance checks are at the discretion of the Race Steward and or Race Director.

40. Championship Points: In order to compete for the U.S. Superkart Championship, it is required to join and compete in the Western Series Championship for $200.00. The membership will entitle you to run for series points and trophies. You may enter any race without joining the series, but will pay an extra $50.00 for the event entry fee (extra $$ goes to event prize fund) and cannot compete for the Series/National Championship. Event points will only be given to Series competitors, i.e. if a non-series competitor wins an event and a series member finishes second, the series member would be given first place points.

41. National Championship: Only competitors that paid the $200.00 Western Series Membership fee and competed in the 3 western events may be eligible to compete for the National Championship, to be held at Road Atlanta.

42. Event Points:

Race #1
Position--Points

1st---15
2nd---12
3rd---10
4th---8
5th---6
6th---5
7th---4
8th---3
9th---2
10th---1

Race #2
Position—Points

1st---30
2nd---24
3rd---20
4th---16
5th---12
6th---10
7th---8
8th---6
9th---4
10th---2

Pole Position: 2 additional points will be awarded to the driver who starts on pole position for the first race of each meeting.

Fastest Lap: 2 additional points will be awarded to the driver setting the fastest lap in each race. If two or more drivers achieve the same fastest lap time, each will be awarded 2 points.

Race Leader: 2 additional points will be awarded to each driver who is classified as the race leader (on crossing the start/finish line during the course of the race) during each race. A driver can only earn these points once, irrespective of how many times he has led that race.
_________________
David Cole
News Desk Manager
eKartingNews.com
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