Specifications

Article 41: Exhaust System
• The exhaust gases must be evacuated outside the vehicle body.
• Exhaust pipes must not extend beyond the rear of the vehicle body.
• All vehicles are expected to comply with reasonable environmental
standards, e.g. amount of smoke and odour emitted.
Article 42: Sound Level
The sound level for a Prototype vehicle must not exceed 90dB when measured
4 metres away from the vehicle.
Maximum sound levels will be measured and recorded at the start
line and teams exceeding the permissible level will be notified with a
request for correction within a reasonable timeframe.
Article 43: Emergency Shut-down mechanism
An emergency shutdown mechanism, accessible from the exterior, must be
permanently installed on all vehicles (not part of the detachable bodywork used
to allow driver access). A red arrow at least 10cm long and 3cm wide at the
widest point must be positioned on the vehicle body to indicate clearly the
position of this emergency shutdown mechanism from the exterior. This system
must stop the engine and isolate the battery.
Article 44: Additional Inspections
• After passing the technical inspection, the replacement and / or alteration of
engine or vehicle part must be re-approved by the Technical Inspectors.
• After any significant incident on the track the vehicle will be subject to a re-
inspection as well
• At any time, the Organisers may perform unannounced inspections on the
vehicles.
3B - UrbanConcept Group
Article 45: Definition
Under the name “UrbanConcept”, Shell offers an opportunity to design and
build fuel-economy vehicles that are close in appearance to today’s production
type passenger cars. UrbanConcept vehicles must comply with the specific rule
of the Shell Eco-marathon for this group. One particular feature of this group is
that vehicles competing in this group will require “stop & go” driving.
Article 46: deleted
Article 47: Vehicle Design
During vehicle design, construction and competition planning, competitors must
pay particular attention to all aspects of safety, i.e. Driver safety and the safety
of other participants and spectators.
• UrbanConcept vehicles must have exactly four wheels, which under
normal running conditions must be all in continuous contact with the road. A
fifth wheel for any purpose is forbidden.
•
Aerodynamic appendages, which adjust or are prone to changing shape
due to wind whilst the vehicle is in motion, are forbidden (e.g. no shrink
wrap allowed).
Shell Eco-marathon ® Official Rules 2011 – Chapter 1
16
• Vehicle bodies must not include any external appendages that might be
dangerous to other Team members; e.g. sharp points must have a radius of