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General Rules
1. No imperials, imperial Sub frames, ambulances or hearses.
2. Must have number of car visible on both Sides of car and a tent style or roof
sign with number on it to be visible from both sides.
3. No inappropriate words or symbols on the car.
4. No intentional hitting of the drivers door.
5. All cars must pass inspection and be in the gates ½ before race time.
6. No sand bagging, holding of other cars or pushing or driving out of bounds.
7. Must make aggressive hits and must do in 1 min.
8. No hot roddin' in the pits.
9. No harassing of officials, or other crews. You and your driver may be asked
to leave and not allowed to compete.
10. No alcohol in the pits while the event is on going.
11. Cars are subject to re-inspection if officials see need.
12. All drivers must attend the pit meeting.
13. Fires: 1st one chance to restart if deemed safe 2nd fire you are
disqualified.
14. All rules will be enforced to the best of our ability. Anything not covered
will be discussed and decided by officials and promoters.
15. We reserve the right to refuse any entry
16. ANY harassment of staff warrants disqualification and forfeiture of all
prizes and money of the car and driver associated with and will be removed
immediately from the grounds. .
17. ALL official's rulings are final!
Car Preparation SEMI-STOCK CLASS
1. Remove all glass, mirrors, chrome, and lights. No debris, remove
flammables, carpet, rear seat, etc.
2. Gas tank must be relocated and securely fastened in the back seat and
covered. Must be a safe tank, no gas cans, or factory tanks. (Boat tank
preferred)
3. Batteries must be securely fastened in the passenger compartment and covered.
Max. Of 2 batteries.
4. Cut or mash down any sharp fins or dangerous objects. (Fins)
5. Doors may be welded or chained/wired shut, Max of 3"x 1/4" strap.
You may have a plate on the drivers door may not go past the door seams more
than 6 ". You may have door and dash bars may not extend forward or to the
rear. Dash and Door bars may be welded in. All doors must remain shut.
6. FRAME: Welding of the frame seams from the A arms forward only the top and
only ½ in wide. NO other welding of the frame, you may notch the frame.
7. NO re-enforcing or bracing of the car, No trailer hitches
8. Max. Of 6 hood pins no larger than 1" diameter. Factory hinges do not
count. Max of 4 trunk bolts may go through the frame, washers not to exceed
6"x6" OR may use two strands of wire/chains to secure the trunk lid.
15 feet wire max or 6ft./chain per side, Trunk lids may also be welded, max of
3"x !/4" strap.
9. Bumpers may be welded to the factory mounts and mounts to the frame bumper
shocks may be welded solid NO FILLER ROD OR EXTRA METAL or bumpers may be bolted
wired/chained on with 2 chains with max length of 6 ft. /chain OR 2 strands of
wire 4 loops per side. Max. Bumper height of 29". Automotive bumpers only.
10. Transmission coolers: May have them but must be inside the car and securely
fastened.
11. Tires: Air tires only no solid tires stem protectors allowed.
12. Use rear end of choice, must be 5 lugs. 2 leaf spring clamps per side
(2"wide max) Coil springs may be welded or clamped in to prevent loss. You
may use spacers in coil springs.
13. Motor may be chained or welded down with max of 2 in. attached to frame
straight off of motor; flat 2 in strap (no angle iron) factory mounts may be
welded. Used to keep motor in not to reinforce frame.
14. Radiator must be in stock position. No auxiliary radiators.
15. Must have a 10" hole in the hood for fires.
16. Must be able to look inside the trunk (hole in lid or from where back seat
was)
17. Wagons decks must be fastened down or removed, inspection hole required.
18. Fenders may be cut for tire clearance.
19. Seatbelts mandatory as well as helmet (no football or bicycle helmets)
20. 2 spots with 4 loops of wire per window
21. Must have working brakes.
22. You may make shifter modifications.
23. Body mount bolts may be replaced, but no adding of new ones.
For more information, call Kevin Krull at
712-260-9560.
2007
Combine Demo Derby Rules
Official Rules and Regulations
1. Drivers must be 16 years of age and able to show proof of age along with
parental waiver.
2. All drivers and pit crew members must sign liability waiver agreement.
3. Drivers must wear seat belt, helmet, long sleeve shirt, long pants, and hand
protection. NO SPRING LOADED SEATS unless securely chained.
4. All combines must have a cab or roll cage and be two-wheel drive, and glass
taken out, remove ladder, cab welded or bolted shut.
5. Combine must use a grain table (platform) that is fixed at 18" from the
ground. Maximum platform width is 16' (no less than 10'). Loss of platform will
result in disqualification from the competition.
6. Combine grain table must have reel, guards, sickle, and loose sheet metal
removed. Combine ladder, unloading auger, choppers, and glass must also be
removed. Separator must be inoperable. Driver's door must be welded or chained
shut. Safety bars or shield, at least 36" high, must be added to the front
of the cab area for driver protection. A roll cage made of 2" pipe must be
added if there is no cab. Roll cages must be covered.
7. Participants must reinforce header to maintain 18"-24" header
height. See Combine Reinforcement.
8. All combines to be as originally manufactured (no reinforced parts or shields
allowed) except as outlined in rules 6 and 7 above.
9. Corn heads with snout removed, bean head, or dummy pickup head allowed.
10. No factory fuel tanks. Fuel tank may not be more than 5 gallons. Fuel tank
must be mounted on top of combine (inside grain tank preferred). TANK MUST BE
SECURELY FASTENED.
11. Batteries must be mounted on top of combine. BATTERY MUST BE SECURELY
FASTENED.
12. Tires may be filled with air only; no duels allowed; two-wheel drive only.
13. A stick must be mounted in the vicinity of the driver. The stick must be
broken off when the driver is disqualified or unable to continue.
14. During the competition, no combine shall be raised more than 5' off the
ground.
15. No direct hits to the driver area.
16. 2 minute time limit to restart and make contact.
17. Combines may be decorated, painted, or offer advertising. No profanity or
obscene materials will be allowed. A trophy will be presented to "Best
Decorated Combine,"
18. Radiators may be moved.
19. No rear wheels dished out.
20. Rear axle pivot may be welded.
21. All hydraulic hoses removed.
22. Recommend Fire Extinguisher on Combine.
23. Contestants must stay with combine until removed by derby officials
24. No alcohol allowed in pit or demo area. Immediate disqualification upon
infraction of this rule.
25. Tow Hook required on Combine.
Combine Reinforcement:
Reinforcing iron is limited to ten pieces of iron, any length, located on the
combine, except in areas restricted by the rules. Iron reinforcement is limited
to a maximum gauge of 2" X ¼". This 2" X 2" X ¼" can
be any type of iron, such as angle, channel, or flat. Iron spears or external
iron used for aggressive action is prohibited. There is NO Extra welding on the
cutter Bar Edge. NO Welding Rock Guards and Header Bottom, and No concrete in
the platform auger. NO Well casing can be used as a stiffener. Rub bars can be
placed around the radiator or variable speed wheels, but not the rear axle
parts. There can be no bracing on the headers, beyond the limit of the inside of
the main wheels. Bracing is acceptable inside of the wheels, but this does not
include bracing to keep the headers at the required 18"-24" inch
height. The reinforcing ten piece limit allows for protection, but leaves
machines vulnerable enough to keep them immobilized, but not too soon. The
bracing limit does not include bracing used for hydraulic stops for safety or
any driver protection supports. For safety, any number of iron pieces can be
used.
One piece of iron is allowed to brace the header. On each side of the header,
the piece of iron will be no bigger than ¼" X 2" X 2". The iron
will be fastened inside the front tire out to the header. No other extra header
reinforcements are allowed. MAXIMUM HEADER width is 22 feet (from outside the
header to outside the header). (The minimum header width must be at least as
wide as the outside of the drive tires.) If header falls off, you are
disqualified. Square tubing may not be capped. If square tubing is capped, you
will be required to cut the cap off to verify the thickness of the metal.
Rules of Conduct:
The Jackson County combine demo derby rules and regulations are designed to
assist in the orderly conduct of the event and to establish universally
acceptable minimum requirements for regulation of combine demolition derby
events. No expressed or implied warranty of safety shall result from any Jackson
County Fair publication or exposure to harm, injury, or death to any pit
participant or spectator. The event directors shall be empowered to permit
reasonable and appropriate deviation from any of the specifications herein or
impose any further restrictions that in their opinion do not alter the minimum
acceptable requirements. No expressed or implied warranty of safety shall result
from such alteration or specifications. Any interpretation of these rules is
left to the discretion of the officials and their decisions are final. Please
contact us if you have any questions |
