Post by Lucky 13 on Nov 24, 2009 18:59:22 GMT -6
Modified Division Rules
BODY:
1. The main body structure must be made of wood.
2. Car Specs:
A. Width - Not to exceed 2 3/4 inches
B. Length - Not to exceed 7 inches
C. Weight - Not to exceed 5.0 ounces on a scale accurate to 1/10
D. Center rail width clearance - No less than 1 3/4 inches
E. Bottom Clearance - Car must be built to clear the track center rail. The height of the center rail on the track is 1/4" tall.
F. Height - Not to exceed 2 3/4 inches
G. Wheelbase - No wheelbase restrictions
3. The car design may be enhanced by the addition of other stable materials such as plastic or metal. Any additions must be firmly attached and meet Car Size Requirements.
4. No part of the car body, wheels or attachments may protrude in front of the starting peg.
5. The following items are PROHIBITED:
A. Springs
B. Starting devices or propellants
C. Electronic or lighting devices that interfere with the race electronics.
D. Liquids, wet paint, oil, sticky substance, or powders of any kind (other than axle lubrication)
E. Glass or excessively fragile parts
F. Wheel bearings
G. Loose objects on car
H. Magnets
I. No part of any car, or attachment to any car, that is metal, pointed, sharp, and/or jagged may be capable of contacting any part of the track.
WHEELS:
6. Wheels for the Modified Division must conform to the following specifications:
A. Wheels not to exceed a Maximum 31mm diameter.
B. Wheels must be constructed of plastic, rubber, or polyurethane.
C. Wheel hubs may be made of metal, but may never come in direct surface contact with the track.
7. The wheels must be attached directly to axle and spin freely.
AXLES:
8. Nail, pin or solid rod type axles are allowed with an overall diameter of no less than .084 inches. Some polishing and/or modification is allowed as long as overall diameter is not reduced. grooves are allowed, the depth of the groove(s) is not limited so long as the journal portion of the axle (the part the wheel rides on) is no less than the stated minimum diameter.
9. Axles must not be connected to any device that mechanically alters rotation and spin.
10. Axles must be mounted into the wood sections of the car. Drilled holes or slots can be used.
11. Over-application of lubricant which results in excessive shedding onto the track is not allowed. Approved lubricants include (but are not limited to) graphite, Teflon, Nyloil, and Krytox.
12. Cars may be reclassified or disqualified if they are determined by the race officials to not meet these requirements.
BODY:
1. The main body structure must be made of wood.
2. Car Specs:
A. Width - Not to exceed 2 3/4 inches
B. Length - Not to exceed 7 inches
C. Weight - Not to exceed 5.0 ounces on a scale accurate to 1/10
D. Center rail width clearance - No less than 1 3/4 inches
E. Bottom Clearance - Car must be built to clear the track center rail. The height of the center rail on the track is 1/4" tall.
F. Height - Not to exceed 2 3/4 inches
G. Wheelbase - No wheelbase restrictions
3. The car design may be enhanced by the addition of other stable materials such as plastic or metal. Any additions must be firmly attached and meet Car Size Requirements.
4. No part of the car body, wheels or attachments may protrude in front of the starting peg.
5. The following items are PROHIBITED:
A. Springs
B. Starting devices or propellants
C. Electronic or lighting devices that interfere with the race electronics.
D. Liquids, wet paint, oil, sticky substance, or powders of any kind (other than axle lubrication)
E. Glass or excessively fragile parts
F. Wheel bearings
G. Loose objects on car
H. Magnets
I. No part of any car, or attachment to any car, that is metal, pointed, sharp, and/or jagged may be capable of contacting any part of the track.
WHEELS:
6. Wheels for the Modified Division must conform to the following specifications:
A. Wheels not to exceed a Maximum 31mm diameter.
B. Wheels must be constructed of plastic, rubber, or polyurethane.
C. Wheel hubs may be made of metal, but may never come in direct surface contact with the track.
7. The wheels must be attached directly to axle and spin freely.
AXLES:
8. Nail, pin or solid rod type axles are allowed with an overall diameter of no less than .084 inches. Some polishing and/or modification is allowed as long as overall diameter is not reduced. grooves are allowed, the depth of the groove(s) is not limited so long as the journal portion of the axle (the part the wheel rides on) is no less than the stated minimum diameter.
9. Axles must not be connected to any device that mechanically alters rotation and spin.
10. Axles must be mounted into the wood sections of the car. Drilled holes or slots can be used.
11. Over-application of lubricant which results in excessive shedding onto the track is not allowed. Approved lubricants include (but are not limited to) graphite, Teflon, Nyloil, and Krytox.
12. Cars may be reclassified or disqualified if they are determined by the race officials to not meet these requirements.