Combustion and Thermodynamics
The engine, Honda 50cc, is a single cylinder, over head valve and four stroke engine, with the compression ratio of 8:1 and displacement of 48 cc. It delivers net torque of 2.7Nm (at 4500rpm) and 2.5Hp (at 7000 rpm). It has a float type carburetor, forced splash type lubrication and semidry type air cleaning. This engine is very much suitable for our design as it weighs 18 kg with the dimensions of (9.8 in) x (11.3 in) x (7.8 in).
Our fuel system comprises of certified transparent fuel tank feeding fuel to the carburetor simply by gravity. Incorporating the EFI system with the carburetor engine is also under consideration depending upon the time constraints.
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thermodynamics team
Mechanical Design
Designing an urban concept vehicle is a tough task. In the
designing of Panthera, from conceptual drawings to professional 3D
designs, safety and aesthetics was given equal importance. The
vehicle maintains a conventional urban car look as well as
adheres to the design consideration of low drag coefficient.
Advance CFD analysis was used due to the unavailability of large
section wind tunnel. A simple Go-cart steering mechanism is
selected due to its simple and low cost design. Chassis will be
made from hollow aluminum pipes for low weight. Four motor bike
disc brakes have been selected for braking. Front and rear disc
brakes will operate independent of each other as stated in the
official rule book of SEM 2009.
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team
Electronics
Electronics so far incorporated in Panthera help control the simple systems like lighting and ignition. A starter motor has been incorporated to start the engine that orgionally used a kick to get started. More and more innovations will be introduced later to help improve the efficiency and hence the milage of the car. In addition team is also studying if EFI system can be integrated into the selected engine to improve perforamnce.
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