Micro Sprint Rules

THE RULES AND/OR REGULATIONS SET FORTH ARE DESIGNED TO PROVIDE FOR THE ORDERLY CONDUCT OF RACING EVENTS AND TO ESTABLISH MINIMUM ACCEPTABLE REQUIREMENTS FOR SUCH EVENTS. THESE RULES SHALL GOVERN THE CONDITION OF ALL EVENTS AND BY PARTICIPATING IN THESE EVENTS. ALL PARTICIPANTS ARE DEEMED TO HAVE COMPLIED WITH THESE RULES. NO EXPRESSED OR IMPLIED WARRANTY OF SAFETY SHALL RESULT FROM PUBLICATION OF/OR IN COMPLIANCE WITH THESE RULES AND/OR REGULATIONS. THEY ARE INTENDED AS A GUIDE FOR THE CONDUCT OF THE SPORT OF AUTO RACING AND ARE IN NO WAY A GUARANTEE AGAINST INJURY OR DEATH TO PARTICIPANTS AND PIT PERSONNEL.

GENERAL RULES

1. ALL CARS MUST BE CONSTRUCTED TO LOOK LIKE MICRO SPRINTS. ALL CARS MUST BE EQUIPPED WITH COMPLETE BODY PARTS, HOOD, TAIL, SIDE PANELS, BELLY PAN, ETC. ALL CARS MUST HAVE LEGIBLE NUMBERS PAINTED ON BOTH SIDES OF THE TAIL. TOP WING MUST HAVE NUMBERS ON BOTH SIDES AND SHOULD BE AT LEAST 18" HIGH AND 12" WIDE. NUMBER ON TOP WING CENTER SECTION REQUIRED FOR SCORING.

ENGINE SPECIFICATIONS

2. ANY SINGLE CYLINDER 250cc PRODUCTION ENGINE.

 

3. COMBINATION OF BORE AND STROKE NOT TO EXCEED 270CC

 

4. NO FUEL INJECTION OR ELECTRONIC CONTROLS FOR JETTING.

5. NO DUAL CARBURETORS.

6. ANY HIGH COMPRESSION HEAD IS LEGAL.

7. MUFFLERS ARE MANDATORY. A REASONABLE DECIBEL LEVEL WILL BE ESTABLISHED.

8. NO FORCED AIR INDUCTION.

 

9. GAS AND ALCOHOL MIXES ONLY.

 

10. NO EXOTIC FUELS SUCH AS PROPYLENE OXIDE, NITRO, ETC.

CHASSIS SPECIFICATIONS

11. MINIMUM WEIGHT (driver & car) 600 lbs.


12. WHEEL BASE - 56 INCHES MINIMUM, 72 INCHES MAXIMUM.


13. CAR WIDTH SHALL NOT EXCEED 58 INCHES.


14. ROLL CAGE MINIMUM THICKNESS OF .065 IF (6) HOOKUPS, MUST BE WELL GUSSETED. MINIMUM 1.250 OD TUBING. MUST BE 4130 CHROMOLY TUBING. COMPLETE FRAME - .065 MINIMUM
(1 INCH TUBING MAY BE USED IF WALL THICKNESS IS AT LEAST .083).


15. SAFETY BARS ARE REQUIRED ON LEFT AND RIGHT SIDES OF ALL CARS.


16. STEERING AND SUSPENSION PARTS THAT ARE BOLTED TOGETHER MUST USE LOCKING NUTS, SAFETY WIRE, OR COTTER PINS.


17. STEERING MECHANISM MUST BE CONSTRUCTED OF A MINIMUM 5/8 INCH ROD AND 3/8 INCH HEIM ENDS.


18. FIRE WALL MUST SEPARATE THE MOTOR COMPARTMENT AND FUEL TANK FROM THE DRIVER WITH A MINIMUM THICKNESS OF .050. ALUMINUM HIGHLY RECOMMENDED.


19. BRAKES WILL BE OF SUFFICIENT STRENGTH SO AS TO SLIDE THE WHEELS IN THE PITS OR STOP THE CAR WHILE IN MOTION ON THE TRACK.


20. NO SHARP POINTED EDGES OR OBJECTS ALLOWED ON THE CARS.


21. BELLY PAN MUST EXTEND FROM THE FRONT OF THE SEAT TO A POINT BEYOND THE DRIVER'S FEET.


22. WELDED SPINDLES MUST HAVE SKID PLATES.


23. RADIATORS MUST BE MOUNTED SO THAT CONTACT CANNOT BE MADE BY ANOTHER CAR.


24. NO BELT DRIVEN CARS. NO CENTRIFUGAL CLUTCHES. CHAIN GUARD RECOMMENDED.


25. WET CELL BATTERIES MOUNTED IN THE COCKPIT MUST BE COVERED AND VENTED OUT OF THE COCKPIT AREA.

NERF BARS & BUMPERS

26. NERF BARS ARE REQUIRED ON ALL CARS AND MUST EXTEND TO AT LEAST THE INSIDE OF THE TIRE, BUT NOT BEYOND THE OUTSIDE OF THE TIRE.


27. BUMPERS MUST BE EXTENDED BEYOND THE FRONT AND REAR TIRES AND ARE REQUIRED ON ALL CARS.

WHEELS

28. WHEELS MUST BE RACE APPROVED, 8 AND 10 INCH DIAMETER ONLY.

WING

29. TOP WING SHALL NOT EXCEED 12 SQ. FEET. SIDE PANEL MAY NOT EXCEED 24 INCHES AND MAY NOT OBSTRUCT THE VISION OF THE DRIVER. WING PANELS CANNOT EXCEED THE OUTSIDE OF THE TIRES.

SAFETY SPECIFICATIONS

30. SEAT BELTS AND SHOULDER HARNESS MUST BE IN GOOD CONDITION, RACE APPROVED AND NOT MORE THAN TWO YEARS OLD.


31. NECK BRACES, ARM RESTRAINTS, AND FIRE RESISTANT DRIVERS SUITS ARE MANDATORY. FIRE RESISTANT GLOVES, SHOES, HOOD AND UNDERWEAR ARE RECOMMENDED.


32. HELMETS MUST BE FULL FACE APPROVED COMPETITION STYLE, WITH FULL SHIELD.


33. TORQUE ARMS MUST BE SAFELY SECURED BY CABLE OR CHAIN, .250 INCH CABLE FOR REASONABLE SAFETY DEVICES.


34. ROCK SCREENS ARE MANDATORY.


35. FUEL SHUT-OFF VALVE AND KILL SWITCH MUST BE FUNCTIONAL AND ACCESSIBLE TO THE DRIVER.


36. CLEARANCE BETWEEN DRIVER'S HELMET AND UPPER ROLL BAR MUST BE A MINIMUM OF 3 INCHES WITH DRIVER SEATED IN CAR.


37. FIRE EXTINGUISHERS IN WORKABLE CONDITION ARE REQUIRED WITH EACH CAR IN PIT AREA.


38. ANY DRIVER FOUND SPEEDING IN THE PIT AREA WILL BE FINED $25.00

TECH PROCEDURE & RULES INFRACTION PENALTIES


39. ANY CAR MAY BE INSPECTED AFTER AN EVENT AT THE TECH DIRECTOR'S DISCRETION. IF A CAR IS FOUND TO BE ILLEGAL AFTER INSPECTION, THE ILLEGAL CAR WILL LOSE ITS FINISH POSITION, POINTS, AND MONEY FOR THAT EVENT. THE REMAINDER OF THE FIELD WILL BE ADVANCED TO COVER THAT POSITION.


40. UPON THE OCCURRENCE OF A SECOND INFRACTION, ALL POINTS EARNED FOR THE YEAR UP TO THAT DATE WILL BE FORFEITED AS WELL AS THE POINTS AND MONEY FOR THAT EVENT.


41. TRACK OFFICIALS WILL HAVE THE FINAL SAY IN DETERMINING THE VALIDITY OF A PROTEST OR RULES INFRACTION. ANY QUESTION -- CONTACT THE TECH DIRECTOR.

ENGINE PROTEST

42. IF YOU WANT TO PROTEST ANOTHER DRIVER'S ENGINE, YOU MUST TELL THE TECH INSPECTOR. THE TECH INSPECTOR WILL APPROACH THE CAR OWNER THAT YOU ARE PROTESTING AND AT THIS TIME YOU WILL POST A $50.00 TEAR DOWN FEE. IF THE DRIVER THAT HAS BEEN PROTESTED IS FOUND TO BE LEGAL, THAT DRIVER WILL RECEIVE THE $50.00. IF THE DRIVER THAT HAS BEEN PROTESTED IS FOUND TO BE ILLEGAL, THE MONEY WILL BE RETURNED TO THE PERSON FILING THE PROTEST.

NOTE: ANYTHING NOT COVERED IN THESE RULES WILL BE UP TO THE DISCRETION OF THE TECH OFFICIAL(S) WITHOUT RECOURSE FROM OWNERS OR DRIVERS. THE PRECEDING RULES ARE SUBJECT TO CHANGE, AND WILL BE JUDGED ACCORDINGLY.