Demolition Derby Madness

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Demolition Derby Madness - Tech Rules
2011 Tech Rules PDF Print E-mail
Written by Dustin Swayne   
Wednesday, 20 January 2010 00:00
Rules on building your demolition derby cars. 

Rule Book Disclaimer

The rules and/or regulations set forth herein are designed to provide for the orderly conduct of demolition derby 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 PUBLICATIONS OF OR COMPLIANCE WITH THESE RULES AND/OR REGULATIONS.  They are intended as a guide for the conduct of the sport and are in no way a guarantee against injury or death to a participant, spectator, or official.

The race director shall be empowered to permit reasonable and appropriate deviation from any of the specifications herein or impose any further restrictions that in his opinion do not alter the minimum acceptable requirements.  NO SUCH EXPRESSED OR IMPLIED WARRANTY OF SAFETY SHALL RESULT FROM SUCH ALTERATION OR SPECIFICATIONS.  Any interpretation or deviation of these rules is left to the discretion of the officials.  Their decision is final.

 

The Management of Derby Madness

 

1: HEARSES, LIMOS,CHRYSLER IMPERALS, IMPERAL SUB FRAMES, SUICIDE DOOR LINCOLNS, SUVs, WEDGES AND SEDAGONS ARE NOT ALLOWED.

2: ALL CARS MUST BE STRIPPED OF ALL GLASS, BODY MOLDING, DOOR HANDLES, AND ALL EXTERIOR LIGHTING. THE INTERIOR AND TRUNK AREA MUST BE CLEANED OF ANYTHING THAT COULD INJURE DRIVER DURING
DERBY.

3: THE FUEL TANK MUST BE REMOVED FROM CAR. A 5 GALLON BOAT FUEL TANK OR ANOTHER SAFE TYPE OF TANK CAN BE USED AND MUST BE RELOCATED TO THE INSIDE OF A CAR, COVERED AND MUST BE SECURED TO PREVENT IT FROM COMING LOOSE DURING THE DERBY.

4: THE
BATTERY MUST BE REMOVED AND RELOCATED TO THE INSIDE OF THE CAR COVERED AND SECURED TO PREVENT IT FROM COMING LOOSE DURING THE DERBY.  

5: THE RADIATOR MUST REMAIN IN THE STOCK LOCATION OR CAN BE REMOVED COMPLETELY. ELECTRIC FANS ARE ALLOWED.

6: ALL DOORS MUST BE CHAINED, WELDED, OR WIRED CLOSED TO PREVENT FROM OPENING DURING THE
DERBY. METAL STRAPS CAN BE WELDED TO THE DOOR SEAMS WITH A 3 IN WIDE X 1/8 THICK MAX. ROUND METAL RODS MAY BE USED IN THE DOOR SEAMS WITH A 5/16 MAX.  SIZE OF WIRE IS #9 WITH 4 WRAPS MAX. THE TOP OF THE DOOR IN THE RAIN CHANNEL AREA MUST REMAIN UNWELDED. THE DOOR SEAMS FROM TOP TO BOTTOM CAN BE WELDED SOLID. THE BOTTOM OF THE DOOR SEAMS CAN BE SPOT WELDED BUT NOT MORE THAN 1/2 TOTAL WELDED. NO WIRING ROOF TO FLOOR, WINDOWS TO FLOOR, OR ANYWHERE INSIDE CAR. IF YOU HAVE A LIGHT COLOR CAR DRIVER DOOR MUST BE RED IF CAR IS DARK COLOR IT MUST WHITE.  INSIDE CAR DOOR SEAMS CAN BE WELDED, BUT NOT MORE THAN HALF TOTAL WELDED WITH NO WELDING AT TOP OR BOTTOM.

7: HOODS MUST HAVE HOLE CUT ABOVE CARB. ELECT FUEL PUMPS ARE ALLOWED IF THE SWITCH CONTROLLING THE SHUT OFF IS MOUNTED ON THE DASHBAR TO THE LEFT OF STEERING WHEEL.  A MASTER SHUT-OFF SWITCH SHUTTING OFF THE ELECTRICAL SYSTEM TO THE WHOLE CAR IS RECOMMENDED. HOODS CAN BE BOLTED IN 4 PLACES MAX WITH 1 IN MAX DIA BOLTS OR ALLTHREAD. METAL PLATES BETWEEN NUT AND HOOD HAVE A 6 X 6 BY 1/4 MAX.  DISTRIBUTOR PROTECTORS ARE ALLOWED,Must not touch dashbar or firewall before or after derby if if does YOU WILL DQ!.Distributor protectors are limited to max of 12 inchs wide and must remain inside headers and no futher forward than water pump. 

8: WIRE CAN BE USED WITH 4 WRAPS PER HOLE. CHAINS CAN BE USED WITH 2 WRAPS PER HOLE BUT LINKS MUST REMAIN UNWELDED.

9: TRUNKS CAN BE WELDED SHUT. METAL STRAPS CAN BE USED 3 IN WIDE X 1/8 MAX. ROUND METAL RODS CAN BE USED IN SEAMS WITH A 5/16 MAX DIA. #9 WIRE CAN BE USED WITH 4 WRAPS PER HOLE. METAL PLATES BETWEEN NUT AND TRUNK HAVE 6 X 6 1/8 MAX. TRUNK CAN BE BOLTED IN 4 PLACES MAX. IF OFFICAL NEEDS TO LOOK IN TRUNK A HOLE MUST BE CUT IN TRUNK. TUCKED TRUNKS ARE SUBJECT TO HAVING TO BE APPROVED BY
TECH OFFICIAL. TRUNK CANNOT BE WELDED TO THE BUMPER. No wedges, but can tuck trunk.  The package deck has to stay in factory location. 

10: BOLTS AND OR ALLTHREAD USED TO HOLD BODY OR SHEET METAL HAS A 1 IN MAX DIA. METAL PLATES THAT HOLD HOOD, TRUNK, OR BODY HAVE A 6 X 6 1/4 IN MAX.

11:  BUMPERS CAN BE WELDED OR CHAINED TO PREVENT FROM COMING OFF DURING
DERBY, HOWEVER METALS STRAPS MAY NOT BE USED TO WELD BUMPER TO TRUNK OR FENDER, ALSO BUMPER CANNOT BE DIRECTLY WELDED TO FENDER OR TRUNK OR ANY CAR BODY PANEL. IF BUMPER IS WELDED NO METAL CAN BE ADDED. IF CHAINED, CHAIN LINKS MUST REMAIN UNWELDED. BUMPER BRACKETS CAN BE REMOVED AND BUMPER WELDED TO FRAME BUT NO EXTRA METAL CAN BE ADDED. HOMEMADE BUMPER BRACKETS ARE SUBJECT TO BE APPROVED BY TECH OFFICALS.  


12: BUMPERS MUST REMAIN IN STOCK LOCATION ON FRAME (UP AND DOWN) AND CAN BE NO MORE THAN 30 IN FROM GROUND (CENTER OF BUMPER TO GROUND.)Factory Bumpers Only (No Fab bumpers)

13: THE FRAMES SEAMS CAN BE WELDED BUT ONLY ON TOP AND BOTTOM SEAMS OF FRAMES ONLY.  FRAME SEAM WELDING WITH ONE PASS ONLY NO BUILDING UP OF WELD.  SAME ON CRUSH BOXES, ONE PASS ON FACTORY WELD , ONE HOLE IN CRUSH BOXES HAS TO BE LEFT OPEN TO LOOK INSIDE. THE HOLES IN THE FRAME MUST REMAIN UNWELDED. NO ADDING OF METAL ANYWHERE ON FRAME ALLOWED, HOWEVER, FRAME PATCHING IS STILL ALLOWED FOR A BROKE FRAME.  YOU CAN PATCH A BROKE FRAME WITH METAL BUT THE PATCH METAL casino online CANNOT BE THICKER THAN THE FRAME, ONLY ON SIDE OF FRAME AND SIX INCHES WIDE, MUST LEAVE SOME OF THE BROKE FRAME UNPATCHED SO A TECK OFFICIAL CAN SEE WHAT YOU ARE PATCHING, YOU CANNOT PATCH A BENT FRAME.  LIMITED TO TWO PATCHES ON REAR OF CAR AND TWO PATCHES ON FRONT OF CAR AFTER THAT IT IS JUNK. THE BODY CANNOT BE WELDED TO THE FRAME.  (IF YOUR BODY IS WELDED TO YOUR FRAME, YOU WILL NOT BE ALLOWED TO DERBY AND WILL BE LOADED ON THE TRAILER AND WILL NOT BE ALLOWED TO CUT WELD LOOSE.) 
 

14: FRONT AND REAR SUSPENSION MUST HAVE AMPLE MOVEMENT. (TIRE BOUNCE IS NOT AMPLE MOVEMENT) SPRINGS AND SHOCKS MUST MOVE FREELY.THE REAR CONTROL ARMS CANNOT BE BOXED, IF YOU LENGTHEN THE REAR CONTROL ARMS THEY ARE SUBJECT TO TECH OFFICIALS APPROVAL. SLIDER DRIVESHAFTS CAN BE USED. YOU CAN RUN REAREND BACK BRACES, SINGLE BACK BRACE ONLY.

15: CHANGING FROM COIL TO LEAF SPRINGS IS NOT ALLOWED. CHAINING OF REAR HUMPS IS NOT ALLOWED. CHAIN OR WIRE FROM FRAME TO FRAME IS NOT ALLOWED.

16: NO ADDING OF METAL TO ANY FRAME, BODY OR SUSPENSIONS ALLOWED (SEE RULE 13 AS TO FRAMES). NO REINFORCEMENT OF FRONT END, REAR END, RADIATOR SUPPORT, FENDERS OR ANYWHERE ON CAR. ANY RUST PATCHING ON BODY PANELS ARE SUBJECT TO TECH OFFICALS APPROVAL. 
 

17: TRANSMISSION COOLERS ARE ALLOWED, BUT NO ELECT FANS ON TRANSMISSION COOLERS ALLOWED. (IF TRANSMISSION COOLER HAS AN ELECTRIC FAN, YOU MUST REMOVE IT COMPLETELY FROM THE COOLER BEFORE YOU ARE ALLOWED TO DERBY, YOU CANNOT JUST CUT THE WIRES) IF TRANSMISSION COOLER IS MOUNTED INSIDE OF CAR IT MUST BE MOUNTED IN A SAFE MANNER BEHIND DRIVER AND SECURED AS TO NOT COME LOOSE DURING DERBY. (BY INSTALLING TRANSMISSION COOLER INSIDE CAR THE DRIVER KNOWS AND ACCEPTS THE RISK OF INJURY OR DEATH AND WILL ACKNOWELDGE THIS ON THE RELEASE OF LIABILITY FORM.) 

18: MAX TIRE SIZE IS 16 IN. NO 3/4 OR 1 TON REAR ENDS ALLOWED. ALL CARS HAVE A 5 LUG BOLT LIMIT. REAR GEARS CAN BE WELDED TO MAKE POS TRAC.

19: NO METAL PLATE OR TUBE CAN BE WELDED ON OUTSIDE OF CAR. A METAL TUBE CAN BE INSTALLED ACROSS DASH AREA.  A METAL TUBE CAN BE INSTALLED BEHIND SEAT. (THE METAL TUBE BEHIND SEAT CANNOT BE MORE THAN 8 IN BEHIND FR DOOR SEAM) A METAL TUBE CAN BE INSTALLED ALONG DRIVER AND PASS DOOR ON THE INSIDE THATS WELDED TO THE DASH AND BEHIND SEAT TUBE. (THE BOTTOM OF THE DOOR BARS MUST BE A MINIMUM OF 10IN FROM THE BOTTOM OF THE INSIDE DOOR SEAM) NO BAR, TUBE OR PLATE CAN BE ATTACHED TO THE FLOOR BOARD OR FRAME. WELDING TUBES OR BARS IS RECOMMENDED. IF THE CAGE OR TUBES ARE BOLTED THE NUTS MUST BE ON THE INSIDE OF CAR. (HEAD OF BOLTS ON OUTSIDE OF CAR - NUTS ON INSIDE OF CAR) A ROLL BAR IS ALLOWED. THE ROLL BAR CANNOT GO TO THE FLOOR PANS , FRAME OR ANYWHERE ON CAR BODY (THE DOWN BARS ON THE ROLL BAR MUST BE A MINIMUM OF 10IN OFF THE FLOOR PANS AND IT IS RECOMMENDED TO BE WELDED ON TOP OF THE BEHIND THE SEAT BAR). THE ROLL BAR CAN GO FROM THE BEHIND SEAT BAR UP OVER DRIVER AND CONNECT TO THE DASH BAR, BUT CANNOT BE WELDED OR BOLTED TO ROOF. ROLL BAR CAN GO FROM BEHIND SEAT BAR UP OVER ROOF OF CAR AND BACK IN TO THE BEHIND SEAT BAR. 


20: FOAM SPRAY IS ALLOWED IN LIMITED USE AROUND RADIATOR ONLY.  NO FOAM SPRAY CAN BE USED IN FENDERS, DOORS, FRAMES, TRUNKS OR HOODS. IF AN OFFICAL THINKS YOU USED FOAM SPRAY IN EXCESS YOU WILL HAVE TO REMOVE IT BEFORE ALLOWED TO ENTER
DERBY.

21: ALL DRIVERS WILL USE A DOT APPROVED HELMET AND USE SEAT BELTS AT ALL TIMES. A fire jacket is MANDATORY (SINGLE LAYER IS OK.) SHOES AND PANTS ARE REQUIRED.  FIRE PANTS ARE RECOMMENDED.

22: ALL CARS MUST HAVE WORKING BRAKES AND ROOF SIGNS WITH YOUR CAR NUMBER ARE MANDATORY.

23: ALL CARS ARE SUBJECT TO HAVING A SMALL HOLE CUT OR DRILLED IN CAR BODY AND/OR FRAME IF TECH OFFICAL HAS REASON TO CHECK AREA IN QUESTION.

24: ONLY ONE PERSON PER CAR ALLOWED AT THE TECH BOOTH AREA WHEN CARS ARE BEING TECHED.  THIS RULE WILL BE STRICTLY ENFORCED. 

25: JUST BECAUSE IT IS NOT LISTED IN THESE RULES DOESN'T MAKE IT LEGAL. IF YOU ARE NOT SURE ABOUT A RULE, CONTACT US BEFORE YOU DO IT. NOT HAVING A COPY OF RULES IS NOT AN EXCUSE.

26: ALL CARS MUST PASS INSPECTION BEFORE BEING ALLOWED TO
DERBY

27: OFFICIALS AND TECH INSPECTORS HAVE FINAL DECISIONS ON ALL RULES!!!!!!!!!


28: BUILDING YOUR CARS TO THESE RULES DOES NOT MAKE DEMOLITON
DERBY'S SAFE.THESE RULES ARE TO HELP MAKE EVERY CAR HAVE A FAIR CHANCE TO WIN. THESE RULES ARE NOT FOR DRIVERS SAFETY. YOU ENTER THESE DEMOLITION DERBYS AT YOUR OWN RISK WITH THE UNDERSTANDING THAT YOU COULD HAVE INJURY, HARM, OR DEATH AND WILL ACKNOWLEDGE THIS ON YOUR RELEASE OF LIABILITY FORM. 

29:  IF YOUR CAR IS FLAGGED AFTER INSPECTION, YOUR CAR IS STILL OPEN TO INSPECTION AT ANYTIME BEFORE, DURING, OR AFTER THE DERBY AT THE DISCRETION OF ANY DERBYMADNESS TECH OR PROMOTER.   

CONTACT FOR MORE INFO: 

MIKE WEATHERFORD
HOME# 731-782-3234
SHOP# 731-642-4992
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Last Updated on Saturday, 08 February 2014 00:42
 
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