The diagonal split comes from the interpretation that two of the wheels must be
able to be locked.
2002 rules, page 30 of the pdf: same wording as 2003, shown below
2003 rules, page 52 of the pdf:
"51.2 Brake Test Pass/Fail Not Scored
Mini Baja vehicles must be capable of braking in a straight line with at least
two wheels locked.
The brake test will consist of a team member driving the vehicle to the highest
speed that can be obtained in a specified brake acceleration area then
immediately applying the brakes to lock the wheels.
If lock- up of at least two wheels is not demonstrated, or if the vehicle
deviates from an approximately straight line, then the team must adjust or
modify the brake system and have the vehicle re-tested until lock-up and/or
straight braking is achieved."
" 34.1 Foot Brake All vehicles must incorporate a foot operated braking system
which is capable of braking at least the front or rear wheels and which is
capable of locking the wheels on dry pavement. This braking system must be
capable of stopping the vehicle within a distance of 15.24 m (50 feet) from any
maximum speed as measured by radar, timing lights or organizers discretion."
Other year rules:
2004 rules, page 38 of the pdf, page number 31:
"34.1 Foot Brake
The car must be equipped with a braking system that acts on all wheels and is
operated by a single foot. The brake system must be capable of locking ALL FOUR
wheels in a static condition and dynamically on pavement.
34.2 Independent Brake Circuits
The vehicle must be have at least two independent hydraulic systems such that
in case of a leak or failure at any point in the system, effective braking
power shall be maintained on at least two wheels. Each hydraulic system shall
have its own fluid reserve either through separate reservoirs or by the use of
a dammed, OEM-style reservoir."
2005 rules, page 37 of the pdf, page number 29:
exactly the same wording as 2004
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