Team Tasks

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The Team Tasks

Since the main objective of this project is making the car fit for the journey through the desert, we set a number of tasks for the modification of the car, divided among our engineering team.

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Roof Rack

This structure serves as a storage area to transport a large number of supplies. As the trunk is primarily used to carry humanitarian supplies for the 4L Trophy, the roof rack will hold the supplies needed to survive the rally. The construction is divided into two parts. The front part is intended to store the spare wheels and create an aerodynamic shape for the vehicle. While the rear section serves as the main storage area for supplies. Finally the roofrack will be mounted on to the rollcage.

 

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Engine Monitoring System

In modern cars, the vital functions of the engine are monitored using a large number of sensors. However, this is not the case with the Renault 4. It is very important to be able to monitor the vitality of the engine and to anticipate if something goes wrong before the engine fails. Since we are driving through a rough environment with dirt roads, sand and high temperatures, we need to be informed about the well-being of the engine at all times.

Herefore the following will be installed.

  • Fully integrated aluminum dashboard
  • LCD Touch panel
  • Oil pressure sensor

  • Oil temperature sensor

  • Coolant temperature sensor

  • Engine RPM sensor

  • Lambda (Air to Fuel ratio) sensor

  • Battery voltage sensor


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Adapted Suspension

The vehicle’s suspension is one of the most important systems that directly influences the dynamic behavior and driving stability. Achieving the right balance of handling, performance and comfort depends on the correct suspension setup. In general, the stiffer the suspension, the better the vehicle’s handling, while a softer suspension provides a more comfortable ride. The following aspects are taken into account during this assignment:

– Damper stiffnes
– Ride high by adjusting torsion bars
– Reinforcement of front and rear trailing arms
– Sway bars

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Roll cage

The roll cage is of great significance for the safety of the driver and co-driver of the Renault 4. The roll cage will act as an extension of the chassis. The main goal is to prevent serious injury in the event of a rollover. The choice of materials and dimensions of the construction are important for the strength of the cage. With this in mind, their biggest challenge is to build a lightweight structure.

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    Skidplates

    The Skid plate(s) serve as protection layer to protect fragile vehicle components such as the engine, transmission, fuel tank and rear torsion bars which must be sealed from any impact by road debris and rocks. The main objective of the skid plates design is to construct a lightweight, strong and solid plate what ensures minimal deformation. The manufacturability and the mount/remove-ability of the plates are crucial as well.

     

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      Winch housing

      The winch housing is a new construction compared to the project in 2019. From the experiences of last time, we concluded that a winch can come in handy. The winch could be extremely usefull during the rally and, especially when driving in groups because then we can assist other teams. The rough terrain can quickly cause the vehicles to dig themselves into the sand and get stuck. To help ourselves and others during the rally the implementation of a winch can make things a lot easier.  

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        Electric throttle control

        The main goal of this construction is to eventually implement a cruise control for the long journey. The development of an electric throttle control is therefor the first step. The assignment consists of implementing a small electric motor that operates the throttle valve on the carburetor. A new throttle body must be developed which operates the motor but also needs to be easily switched to mechanical throttle control in case of electrical failures. An electric control will be programmed to let the throttle and electric motor communicate with each other by means of a two-step verification.