Mercedes-Benz F300 Life Jet

14 Июн 2015 | Author: | No comments yet »

2004-2005 Senior Project

San Jose State Department of Mechanical Aerospace

Project: Build a 3 wheel vehicle for urban use.

Lupe Ramirez, Ricky Danny Ng, Henry Calero,

Tien, Adrianne Kelly, Seekao, Doug Chin

Advisors: Dr. Furman and Dr. Yee

Coach: Davis

Project Concepts:

We are a of senior mechanical engineering designing and building a concept We would like to explore the of this vehicle to address issues associated with These issues include in supply of fossil fuel poor air quality and pollution due to emissions, rising costs of ownership, and growing urban due to increasing numbers of automobiles on and highway infrastructure. The project for this vehicle is the Grand Racer or GTR .

To address the above our design approach is to move a smaller, narrower vehicle maintaining most of the benefits with a standard car, as comfort and handling. In order to the vehicle smaller, we make a compromise by limiting the maximum of the vehicle to no more than two or one occupant and some additional for cargo. This design is justified on the basis that a percentage of automobiles are used by one occupant for most daily

There is a category of automobiles fit the above criteria. Most three wheels, either two wheels in front and one in back, or one in and two in back. A good example of the type is the Mercedes Benz car called the F300 Life Jet 1), or the Corbin Motors Sparrow 2). An example of the latter is the Carver by van den Brink and Harry Kroonem 3), or the BMW Feet First Concept (Figure 4).

Figure 1 Figure 2

3 Figure 4

Some of these are based on a concept called a Three Wheel Vehicle. type of vehicle is best as a cross between a motorcycle and a The Tilting Three Wheel is like a motorcycle in the sense it is small, narrow, has a maximum of two, and leans into This tilting or leaning gives added stability to the reduced stability of using wheels as compared to using wheels in standard vehicle The Tilting Three Wheel is like a car because it has an interior to the occupants from the elements and provides all the comforts associated a typical car.

Our proposed design is based on the three-wheel concept but it is unlike any thus far. Our design be an electrical vehicle with the of producing a hybrid and fuel version of the vehicle in future The chassis design lends well to migration toward and with these other two of energy transfer.

We also to provide a means to lock or the tilting functionality of the GTR so that the is more like a standard wheel vehicle. In this way we may what additional benefit in the tilting functionality provides. It may be desirable, in some instances, to the tilting function because the performance it provides is not needed. For when very long stretches of road are traveled.

A preliminary CAD design has been of the chassis and suspension systems far. Different views of the CAD are shown in figures 5, 6, 7, 8, and 9. Intrinsic in the is a very low center of gravity the center of the vehicle (where the reside). This should aid in

Figure 5 Figure 6

Figure 7 8

Figure 9

To provide an idea of the GTR might look like, models of potential body are shown in figures 10, 11, 12, and 13.

Mercedes-Benz F300 Life Jet

Figure 10 Figure 11

Figure 12 13

To demonstrate proof of concept, a model of the basic design is in figures 14, and 15

Figure 14 Figure 15

might argue that the smaller dimensions of the proposed as compared to a standard vehicle, may the safety of the occupants. Indeed, plays a major roll in safety. However, this not imply that a small can’t be safe. Indy cars for example, which at 100+ miles an hour, are safe due in part to the steel designed to distribute impact around the occupant. Hence, times, the drivers of these experience collisions and walk from the incident unharmed. is often relative to what is on the road. In general terms, type of vehicle most falls somewhere between the of a small car and that of a motorcycle.

With the basic ideas the design of the GTR vehicle understood, at point a more thorough of the benefits of this design can be As mentioned earlier, this will address current issues associated with and environmental pollution. These restated are the eminent reduction in of fossil fuel resources, air quality and pollution due to automotive rising cost of automobile and a rise in urban congestion due to traffic on road and highway

By being a smaller and narrower the GTR will be lighter and more than a standard car. half the width of a standard it should have approximately the drag of a standard car. should make the vehicle efficient, thus reducing the on existing supplies of oil. since the initial design be electric, no hydrocarbon-based charging could be employed such as and solar.

The electric-powered design of the GTR also address air quality in urban areas, since an vehicle emits zero at the point of use. The fuel version of this car would emit zero emissions as the by product of the fuel cell is The hybrid version of this would potentially produce small amounts of emissions due to the use of the hydrocarbon fuel. For example, if a such as China were to a policy of building an infrastructure to and use more vehicles like as opposed to the current types of available, the benefit to China’s air as well as for the entire world be significantly better as the numbers of within China grows

The GTR could potentially be produced for cost and have a lower of ownership than existing due to its design. Cost of material to the car is less by virtue of the smaller The GTR has a drive train to power one wheel, as opposed to two back which reduces cost. The team will experiment a fixed ratio drive from motor to rear with no transmission for multiple further reducing the cost. The for this decision is based on the that electric motors very good torque at low speeds. Also, the maintenance on an vehicle, as opposed to an internal engine vehicle, is less: no oil fewer moving parts, The useful life of the vehicle also be better than a car as an electric engine normally longer than an internal engine. The efficiency factors of the GTR make it less costly to than a conversional vehicle.

is another benefit that be realized with the GTR when in contrast with other Consider that in many a multi-car family is common. The GTR serve a niche role in scenario. The GTR could potentially be for most daily commuting, and also be the least costly to buy and The traditional cars that the owns could be used for family trips and long travel. This would the result of putting fewer on the traditional vehicles, thus the traditional vehicles last for the family. Given the traditional would be more expensive, by the GTR into the mix, the family reduce their automotive If for some reason petroleum-based were in short supply, the GTR be the only vehicle the family that does not rely on to operate. This would the family a fallback vehicle to This added redundancy become very important in conceivable scenarios.

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