Cartie Construction Rules

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Brake testing at Catterline
Brake Testing at Catterline.

Construction rules govern the way the soapbox carties are built, and typically cover things such as the maximum length, width, weight, etc, plus any requirements for brakes and steering etc. The main objective of the rules is to promote and enforce safe designs, but also might be used to prevent designs that might give an unfair advantage.

Construction rules are difficult to get right. If they are too strict then you run the risk of making it too hard for teams to build a cart, but if you make it too lax then there is a danger that the carties will be put the drivers and spectators at risk.

It is strongly recommended that you pay particular attention to the brakes and the steering and ensure that every team demonstrates that their cartie can be steered and stopped effectively. It is normal to have a formal safety inspection or "scrutineering"  before racing begins to ensure all carts conform to a minimum standard as far as afety is concerned. The inspection of often carried out a week or two before the race in order to give teams a chance to fix any problems.

Having the scrutineering beforehand also makes the teams have their cartie ready in good time and helps to avoid them "lashing it together the night before". 

Click here for an overview of some of the soapbox rules currently in use

Further Reading:

Rules Overview
A summary of the rules in use at various events.  The "Universal Cartie" is a set of dimensions for a cartie that can run at any event. The "Universal Event" dimensions would allow carties from all events to take part.
Belchford Rules
Catterline Rules
Less restrictive than many. Also used as the basis for the Border Bogie rules. Ideal for fun/novelty events.
Cadwell Rules
Cairngorm Soapbox Extreme
The most stringent requirements in current use as a result of the nature of the course and the speeds likely to be attained.


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