CO2 Car Specifications Rules and Regulations

Dragster Body DB1: One (1)-piece, all-wood construction. Any type of lamination will result in disqualification. Two (2) or more like or unlike pieces of wood glued together are not considered one (1)-piece, all-wood construction. No add-ons such as body strengtheners, fenders, plastic canopy, exhausts, or air foils may be attached to or enclosed within the vehicle. Fiberglass and shrink wrap are considered body strengtheners and cannot be used on the car body for any reason. Decals may be used for decoration only. They may not be used to gain an aerodynamic advantage, i.e., decals cannot cover the exterior axle holes or be used to cover open areas of the body.

Dragster Body Length DB2: Min 200mm Max 305mm

Dragster Body Height with Wheels DB3: Max 75mm

Dragster Body Mass (without Co2) DB4: Min 45 G Max 55 G

Dragster Body Width at Axles Front & Back DB5: Min 35mm Max 42mm

Dragster Vehicle Total Width (including Wheels) DB6: Max 90mm - -90mm

Axle per Car A1: Dragster must have two (2) axles per car, no more.

Axle Hole (Position above the bottom of the Car) A2: Min 5mm Max 10mm 5-10mm

Axle Hole From front and Rear of Car A3: Min 9mm Max 100mm

Wheelbase A4: Min 105mm Max 270mm

Bearing Bushing and Lubricants A5: Bearings, bushing and lubricants may be used

Spacer Washer S1: Spacer Washer, Maximum: 10

Power Plant Hole The power plant hole must be at the farthest point at the rear of the car and must be drilled parallel to the racing surface to assure proper puncture of the CO2 cartridge. A minimum of 3mm thickness around the entire power plant hole must be maintained for safety. DO NOT PAINT INSIDE THE CO2 CARTRIDGE HOLE.

Power Plant Hole Depth P2: Min 45 mm Max 55 mm 45mm – 55 mm

Power Plant Housing Thickness P3: Min 3mm

Power Plant Chamber Diameter P4: Min 19mm Max 20mm min. 20mm max.

Chamber Diameter to Race Surface P5: Lowest point of chamber diameter to race surface (With Wheels) 26mm – 40mm 26mm – 40mm

Screw Eye Inside Diameter ES2: Min 3mm Max 5mm 3-5mm

Screw Eye Distance Apart ES3: Min 150mm Max 270mm 150mm-270mm

Wheels W1: A dragster must have exactly four (4) wheels, each of which separately must meet the regulations in W2 and W3 below. All four (4) wheels must touch the racing surface at the same time. All wheels must roll. Wheels must be made entirely from plastic. Dimensions must be consistent for the full circumference of the wheel.

Wheels All wheels must be located on the exterior of the body.

Wheels Diameter W2: Min 30mm Max 40mm

Wheels Width W3: Min 2mm Max 18mm 2mm-18mm