All 2011 Flat kart classes at Thunder Hill Speedway:

• ·        Must comply to 2011 IKF body and chassis rules (below), make sure your kart body is legal for IKF use in 2011 before purchasing it, You MUST be able to see drivers feet when looking direct down at kart, many speedway bodies will  not comply to this rule. This is a safety issue.

• This is the 2011 IKF rule and rule number;

• Body work

  105.2.1.18

  Must meet IKF specifications for the given class. Must present no hazard to competitors

  401.14

  Speedway body work / Aerodynamic Regulations

  The intent of the following regulations is to limit aerodynamic devises used on all types of  speedway racing

  401.14.2

  Speedway nose:

  Usage: Nose is required on all 4cycle Speedway racing karts and is optional on 2cycle karts.

  401.14.2.2

  Dimensions:

  Nose cone must be a minimum of 8” high and a maximum of 18” high. Nose piece shall not be inclined  more than 1-14” from vertical at a height of 6” from the ground. Nose piece shall not be wider than 3” per side than the tires / wheels measured at the centerline of the frt axle with the wheels straight ahead. Outside of front tires cannot / shall not be covered, must be exposed. Nose shall not cover drivers feet, i.e. feet and controls must be visible.

  • ·        Nose may not extend rearward of the centerline of the front wheels, unless attached to side panels

  401.14.2.3

  Materials and mounting

  Nose must be constructed of high strength plastic of fiberglass and must be securely mounted to kart. Bottom of nose piece may be mounted flush to bottom side of frame extending back no future than the centerline of the front axle. Top surface of nose piece may not extend rearward of centerline of front axle unless attached to side pods or panels of full body.

  No additional  protection devices such as rub strips, braces, etc are allowed internally or externally on the nose piece. Foaming of the nose piece on the inside is allowed. Patching the nose piece is allowed but is subject to tech. Taping is acceptable repair.

  401.15.2.1

  Side panels:

  Side panels or pods of flat or 90 degree style or CKI style pods maybe used. Must be securely mounted. Side panels and pods must be void of sharp edges. No metal panels or pods allowed.

  401.15.2.2

  Height

  Maximum height will be 14” from the ground measured from a point 12” rearward of the front axle centerline.

  401.15.2.3

  Ground clearance: Minimum height of side panels / pods is ¾” from ground

  401.15.2.4

  Clearance

  90 degree panels maynot cover any part of the drivers body. Distance from the seat to panel 1” minimum, all areas. Minimum opening area forward of seat back to rearward area of front tire is 22” minimum measured with tires straight ahead. Panels maybe connected to nose piece. Panels or pods maybe a maximum of 4” per side wider than the rear tires.

  401.15.2.5

  Length

  If side panel extends rearward  of the rear tires it must not extend past the rear bumper

  401.15.3

  Rub strips

  *Maybe used on side panels or pods, may not be metallic, must be of flexible plastic material

  * May not be thicker than ½”, ends of strip must be beveled or rounded toward flat of side panel

  * Must be attached with button type head screws, max of ¼” diameter, and flat washers or pop rivets

  401.16.1

  Driver fairing

  Maybe installed more than 26” to protect driver, Fairing or steering wheel cannot be installed in such a way that it obstructs driver vision. Fairing shall be no higher than the drivers eye level when sitting in kart in normal manner

  Width: Maximum width allowed is 14” using a cord / string

  Clearance: Must have a minimum clearance of 1” between front of faring and nose piece or side panels, fairing shall not connect to nose piece

  ** Class restrictions:

  Steering column  fairing or windshields are not allowed in any Junior 1 or rookie  / kid kart classes.

  The are the general body rules and cover pretty much everything you asked for I hope. If not let me know and I’ll send more info.

  You also may want to put on your web site the information on the chest protectors required for J1 and Novice.

  Chest protectors:

• All drivers in novice and Junior1 are required to have a chest protector “must have SFI certification 20.1”

• ·        Seat heights will be checked, minimum height is 14” from ground to top of seat when sitting on flat surface, additions to seat are not counted as part of the seat. i.e. number plates etc
• ·        ALL lead weights MUST be painted white and properly secured to kart, all bolts MUST be drilled and safety wired / pined. Sheet lead is not recommended but if used must also be painted white and bolted to seat.
• ·        Chain guards for 2011 must have plate between driver’s seat and engine ( safety issues) And must be properly secured to chain guard.
• ·        THS will not enforce mufflers in any class unless specifically noted
• ·        Additions of rub rails to nose piece NOT allowed, per IKF rules, any additions or reinforcement to nose piece must meet IKF spec for nose piece.
• ·         No internal reinforcement of nose piece allowed per IKF rules, kart is not intended to be a battering ram.