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Belchford Downhill Challenge 2012

Sporting regulations




Competitors’ vehicles will have at least 4 wheels, each having a minimum diameter of 200mm.  The wheels must be fixed to a minimum of two axles.  If stub axles are used these must be employed in opposed pairs.


The vehicle will have braking on at least 2 wheels, which must be fitted on the same axle.  The brakes must be capable of holding the vehicle, any ballast and the driver stationary on a 30 slope.


Maximum length of the vehicle will be 2500mm.  The maximum width will be 1500mm. The track width (the distance between the outer edges of wheels on the same axle) will be between 750mm and 1100mm.  The minimum wheelbase (the distance between foremost and rearmost axles) will be 1300mm.


The maximum weight of the vehicle, any ballast and driver combined will not exceed 175kg.


The driver will ride alone, feet first with his or her eye line at least 700mm above the ground.


The steering will be such that the vehicle will run straight and true without driver input (i.e. it should not veer off when it hits a bump in the road).


There will be no sharp edges or protrusions either inside or outside the vehicle.  Any steering column, brake lever or other protrusion must be designed so that puncture injuries cannot happen, either by being deformable, or being adequately padded.


All bodywork and controls must be arranged such that they do not impede the driver in exiting the vehicle unaided.  Any door catches must be readily operated from both inside and outside the vehicle without the use of tools.


All ballast, whether removable or not, must fixed such that it is no lower than 75mm above the ground and no higher than 500mm above the ground.  It must also be located between the axles both longitudinally and laterally and within the track of the vehicle.


The only removable ballast allowed will be water or sand, which must be contained in one or more closed plastic containers.  The maximum capacity of any single removable ballast container is 5 litres


Any ballast used must be fixed securely to the vehicle in such a manner that it cannot work loose.


All competing vehicles must be fitted with two towing eyes, one to be fixed to the front, the other to the rear, to facilitate transporting them to the top of the course after each run.


Drivers shall wear motorcycle safety helmets for running on the course.  It is recommended that they be clothed in robust clothing (either purpose designed such as motorcycle clothing or karting overalls, or strong overalls over jeans or similar). They will also wear gloves and robust footwear.


There will be a mandatory inspection of all entered vehicles.  This will take place on a date before the competition, to be determined by the organisers.  The purpose of the inspection will be to ensure that entered vehicles comply with the above safety regulations and are soundly constructed.  Any vehicle not presented for inspection, or deemed unsafe will not be allowed to compete.


Competition numbers will be allocated by the organisers on the day of scrutineering.  These numbers must be displayed prominently on competing vehicles.  A suitable area of bodywork of A4 size, with the short side horizontal, must be provided on the front of the vehicle for this number to be attached


In all matters relating to these rules the decision of the organisers will be final and no appeal will be allowed.


A diagram showing important dimensions is printed on the next page of these rules.

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