BRCA 1/12th National Banger
Construction Rules

General Construction Rules 2012

1) No car shall be constructed so as to be dangerous to persons or cause damage to competitor’s cars or to the track surface. No sharp or protruding objects are allowed on the cars.

2) Body and chassis must be securely joined at the start of race and must remain on car during the race. When initially entered at a meeting the body shell must be neatly finished and complete.

3) Steel whip aerials and rollover masts are not allowed.

4) Radio control receivers carried in the car can have either two devices connected, (normally the steering servo and the speed controller) or 3 channel (can be used for flashing lights for club level or superstars for national level). Receiver battery packs are allowed.

5) Tyre’s must be foam or rubber , you can change them from kit suupiled and use sleeves, Tyre additives are not allowed.

6) The use of multiple speed transmissions (gearboxes) is not allowed, only 32dp pitch gears will be allowed. White delrin spur gears (32DP) and holders are allowed, range from 47-54 teeth

7) MOTORS. Only one drive motor is allowed per car.

All Classes to use Mardave G2 motors only.

These must remain unopened, and unmodified – External motor bearings are NOT allowed.

Motor cleaning fluids / additivies are allowed.

Pinion gears; size (number of teeth) is free.

8) BATTERIES. Cells to be sub-C sized , 1.2v nominal.

Stockcars & Saloon Stox = 6 cell, 7.2v Nominal.

Mini Stox, Hotrods & Bangers = 4 cell, 4.8v Nominal.

9) Any commercially available speed controller may be used, Mechanical to £30 max., Electronic £65 max to be used in Stock cars, Hotrods, Saloons and Mini’s. Bangers MUST use mechanical speed controller only.

10) For drivers wishing to develop or modify cars, this should be done and tested at club level. The next stage maybe to test at National level, with the consent of the committee. Any testing at Nationals, will lead to the driver going to the last position after qualifying ie if there are 20 drivers competing, after qualifying the testing driver will be deemed to be 20th. No testing driver will pick up any points for the series or receive any trophies.

11) Ball raced Axles, Rear only allowed. (exception: see stockcar rule 11)

12) There is a minimum ground clearance of 3mm, this includes any protruding screws, 1mm clearance for spur gear.

13) Servo savers, track rods and track rod ends can all be uprated from kit supplied.

14) Limited slip devices and differentials of any kind are not allowed, solid rear axle only.

15) All cars must have reverse fitted and working at the start of the race.

16) If you intend to alter your car in any way that is not covered by the rules, you must check with the class scrutineer, for approval. We expect all drivers to use common sense when modifying cars and to enter into the spirit of the sport.

Banger Construction Rules

1) Use the Hot Rod (V12) chassis or Mini or Rebel, as supplied in the kit; alternatively one made from GRP (max 2mm

thickness) may be used. Dimensions are, maximum length 270mm, width 90mm, no additional strengthening allowed.

2) Only V12, Mini, Rebel parts may be used in construction.

3) Body shells

a) Body shells to be of ABS moulding. Windows must be completely removed as per the original car. If moulding has window outlines then these have to be used : No portholes or half windows.

b) Any commercially approved 1/12th shell.

c) Roof fins may be fitted, no further forward than the middle of the roof, no more than 2 fins allowed plastic only. Fins to be no more than 3cm wide, 5cm long and 3cm high , no metal fins allowed, they must not possess any sharp edges, and must have the drivers racing number on both sides of the fin. No wings or aero-foil’s allowed.

d) Strengthening & Repairs are allowed, you may use glue sticks, tape, cable ties, joining plates may be used (metal plates not allowed) in conjunction with nuts and bolts, no screws allowed. All sharp edges must be filed, and any protrusions must be on inside of the body shell.

e) Name and Number of the driver must be clearly visible on both sides of the body shell at all times.

f) Body shell preparation should be neatly presented, no unsightly rude or offensive slogans, gestures are allowed.

g) Body mounts - you may use 3 or 4 mounts, made from plastic no more than 10mm in diameter and must not protrude more than 10mm through the body shell. All body clips must be flush with the body shell, there must be at least 1cm (10mm) clearance between shell and chassis front and rear of the car.

h) Roof grade markings must cover the whole of the roof area.

4) No internal or external bumpers are allowed.

5) No additional ballast allowed on the car.

6) Transponder must be fixed onto the car and not the body shell.

7) Limos - Maximum width 90mm, 3mm thick, length to suit body shell providing the chassis does not protrude beyond the wheels. All other rules apply the same.