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35.4.1 Spill Prevention Mounting
Mounting the drip pan and/or splash shield(s) directly to the fuel tank with a connection only around the
fuel cap is insufficient and will not be allowed. Drip pans must be mounted using sound engineering
practices. Drip pans must be graded or inclined such that all spilled fuel drains from the drip pan – fuel
must not pool anywhere in the pan.
35.4.2 Spill Prevention Draining
The fuel must drain from the drip pan through a drain line composed of pipe or tubing that carries the
fuel to the bottom of the car and releases it under the car. (In competitions involving a water hazard, the
fuel must not be deposited onto floatation material, but must instead be directed around or through the
floatation by the drain line.) At no point in the drain system (the drain lines and any associated fittings)
will the inner diameter be constricted to less than 9.53 mm (.375 inch) – this includes bolts with a hole
drilled in the center used as a fitting. At least one drain line is required; multiple drain lines are allowed
for the purpose of redundancy or to alleviate the pooling of fuel in different parts of the drip pan.
35.4.3 Spill Prevention Drain Material
The drains must be either fuel line material, other pipe or tubing suitable for transferring fuel. Tubing,
fittings, or sealing materials that are weakened or dissolved by fuel are unsafe for this application and
will not be permitted. If tubing is used, it is highly recommended that a threaded and barbed fitting be
used at the point where the drain line connects to the drip pan.
35.5
Splash Shields
Splash shields are required to prevent fuel from accidentally being poured directly on the engine or
exhaust while refueling or preparing to refuel the car. The splash shields must be mounted in the correct
position at all times. Teams cannot make them adjustable or something the driver must put into the
correct position to insure proper coverage during fueling.
Note: (BELOW) The following are examples of approved spill/splash shields:
Note: (BELOW) The following spill/splash shield is NOT acceptable:
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2010 Baja SAE Rules