Class Specs--2009
Open Wheel

Body--EDM, Sprint, or Buggy body
  • East Coast Dirt Modified Style-- Maximum Overall Length of body is 22". Maximum Height of body at highest point is 8.0" (All height measurements are from bottom of chassis unless otherwise noted)
  • Maximum width of Body/inner panel is 8". Inner panel must have a hood at least 2" wide that extends from front of inner panel to at least the leading edge of the roof and must be a minimum of 1/2" above inner panel. Bodies must have at least 1/3 of right rear tires exposed when viewed from front, top and rear of car.
  • Maximum width of Roof is 7", roof width must be at least .5" narrower than inner panel width where attached to doors. Minimum roof height is 5.0". Maximum roof length is 6.5 inches.
    * You may use a home made roof with a bend added to the front for strength but that bend will be bent flat and included in the roof length of 6.5 inches.
  • Front and Rear windows must be removed; any clear portion is included in max roof length dimension. Side windows and a pillar must attach to side panels at top edge of door and must also contact the entire length of roof. (ie no large gap between roof and top of windows). Side windows must be clear and no portion of side window may overlap side or sail panel. Roof, windows, side and sail panels must be symmetrical.
  • Maximum Side panel length is 17" and no part of the side panels can extend forward of the front axle. Entire side panel must be on one plane and both side panels must be parallel to each other. Front edge of sail panel can not extend more than 1" forward of rear tire leading edge and can not overlap side windows. No additional lips or flaps are allowed with the exception of a 1/4" bend at top and bottom of Side and Sail panel no more than 45 degree.
  • An additional front body panel is allowed on the front of the car but may not be wider than 4.5"or longer than 4".
  • Rear spoiler chord maximum is 3".A 1/2" roof rear spoiler is allowed and is not included in 6.5" max length restriction.
  • Maximum front bumper width is 6", must be mounted flat and may not be angled up to act as a Wing. (Exception: With some production chassis the front bumper must be mounted to the kickup plate which will angle the bumper).
  • Any material added for the purpose of bracing or supporting the body must be a maximum of 1/2" wide and 5" long.
  • No rear wheel cutouts are allowed on the horizontal plane of the inner panel.

Minimum Weight
Minimum 3 1/4 lbs. (52 oz.)

Tires
2.0 to 2.2 rubber street tread or foam tires
All foam tires must be wiped clean of any traction compound before setting the vehicle down on the track or pit lane. Tires will not be allowed to leave tracks on the racing surface or pit lane. One warning will be issued before disqualification for the day.
No mini pins or ribbed tires

Batteries
Any production 7.4V NiCd, NiMH, or LiPo battery designed for RC racing.
NiCd and NiMH
must be 6-cell packs
Lithium-Polymer (LiPo) batteries must be 2-cell series only and can be soft or hard cased.
Charging sacks are strongly encouraged.

Motor
Any brushed or brushless stock or modified motor produced for 2wd RC racing (05 size)
Including Novak, LRP, Orion, Peak, Tekin, Trinity or Castle Creations brushless motors

6 x 6 Roof Wing (Sprint Only)
Center section and side panels must be made from at least 3 separate pieces of polycarbonate, carbon or aluminum material. All corners and edges must be rounded and free of sharp edges. Main and Front wings must be mounted so that they are centered on cage, no offset wings. Wing center sections must have all 4 corners set at 90 degree angles, no canted or angled panels. Wings must also be mounted level from side to side. Center section of wing may not extend beyond leading or trailing edge of side panels. Side panels must have braces that hold side panel rigid at 90 degrees to center section during race conditions. Two braces are required from top of the center foil to the left sideboard and one brace is permitted below the center foil to the right side board. Braces can be a maximum of .750" wide and front edge of front brace must be no more than 1.5” back from side panel leading edge. Side Panels may have front, back, top and bottom turnouts of no more than .375" and are included in max dimension. Flat foil center sections will be allowed a .250” turndown at the leading edge. The 7 x 7 rubber tire wing will not be allowed regardless of the tires used.

See 6 x 6 Wing Diagram

Front Wing (Sprint only)
Maximum top surface area is 4" x 2" with max side panels of 3" long and 1.5 " high, max of 1" above horizontal wing surface. See 6 x 6 Wing Diagram
.

  Modified May 27, 2009
Staub Brothers' RC Speedway©