Cars are such a marvelous machine in the history of the human being. They transform our way of living over the past century. Due to globalization and increasing trans
REVOLUTION The Micro Car
Cars are such a marvelous machine in the history of the human being. They transform our way of living over the past century. Due to globalization and increasing transportation, the demand for cars began to rise. This trend starts to follow in both developing and non-developing economies. Since developed countries have the infrastructure for automobile manufacturing, the demand is low as compared to their supply. On the other side in developing countries like Pakistan to high prices, an average person can't buy cars.
In the last few decades, a new trend of mini and subcompact cars began to follow in Europe and other developed countries. Since these cars are compact. They prove to be very economical and easy to maneuver in the city. Due to high tax duty, these cars are difficult to afford or ordinary Pakistan. The primary source of transportation in Pakistan are bikes and rickshaws. Bikes have a seating capacity of 2 people. But overloading is very common on the road that causes several accidents. Rickshaws on the other are also means of public transport but these to the medium cannot take place of public transport due to discomfort and safety issues.
Our goal in this project is to make a microcar that can replace the conventional bikes and rickshaws at a comparative cost. We call this project “Revolution” that brings toward the current automotive era. We will build cars for small families that don't have enough resources to buy expensive cars at affordable cost and safety features.
There is a sudden boom in today's world about the world transition toward electric vehicles. The reason is simply that these vehicles are smokeless means they are eco-friendly for the environment. But on the dark side, batteries are the most toxic component for the environment because they cannot be disposed of and recycled. Batteries are expensive to replace. They have a short life span. It will take some time for this technology to become readily available. Meanwhile, this microcar can accelerate this process towards a clean future.
This project can be completed in two phases. In phase one we will develop the chassis of the car while in the second phase we will work on the bodywork and the final shape of the car.
Following is the list of tasks completed that can be accomplished in phase 1 of this project.
First of all the chassis of the car is made by using a 2” by 2” mild steel pipe. This pipe is used to build the mainframe of the car on which the other components can be attached
After the chassis, we attached the back differential with the mainframe.
After taking proper calculation the engine mounting of the car is built on the chassis.
Wishbone arms are attached on the front side of the chassis mounting.
The front two coil-over spring shocks will be attached with the front mounting of the chassis.
The rear two shocks are attached to the chassis body that supports the whole frame.
Are four wheels along with the tire hubs are attached to the mainframe.
The engine is placed on the mounting of the chassis.
Once the rolling chassis is completed we attached the Steering and rack and pinion system on the front side.
After that front, two seats will be attached with the mainframe
At last, we riveted an 18mm mild steel sheet on the floor to complete the chassis part of the car
The following steps will be accomplished in phase 2 of this car.
First of all, we made the template of this car on a wooden sheet.
Then the template is mirrored to obtain the other side of the car.
Next, the pattern of the car is prepared with the help of wood.
This pattern is used to make the mold of this car
Once the mold is finished we can use it to make the body of the car with the help of fiberglass.
The microcar is beneficial in terms of both safety and economic point of view. Following is a list of some benefits of this project.
Following are some technical details of our micro car project
| Engine | 4 stroke air cooled 70cc displacement |
| Starting system | Self start ignition system |
| Transmission | 4-speed forward transmission with reverse gear |
| Top speed | 50km/h |
| Fuel consumption | 40-45L/km |
| Drive train | 3:1 Differential |
| Braking system | 4 wheels hydraulic braking system |
| Steering system | Rack and pinion system |
| Suspension | Coil-over spring |
| Payload | 400kg |
| Setting capacity | 4 persons |
| Wheelbase | 62" |
| No of doors | 2 |
| Elapsed time in (days or weeks or month or quarter) since start of the project | Milestone | Deliverable |
|---|---|---|
| Month 1 | Propose the design of the car | Specify the parameter like wheelbase and track for the car. |
| Month 2 | Specify the design parameters | Prepare the 2d sketch and dimension of different components |
| Month 3 | Prepare the list of all tools and materials | Gather the tools and materials |
| Month 4 | Rolling chassis frame | Build the chassis from mild steel pipes and attach tyres and steering system with it. |
| Month 5 | Power train | Attach engine and transmission system with chassis. |
| Month 6 | Instrumental control and dashboard | Attach lever system and dashboard instruments |
| Month 7 | Testing of Rolling chassis | Test the rolling chassis on real road test and analyze the issue to fix them |
| Month 8 | Body work | Finalize the shape of upper body and prepare its template |
| Month 9 | Start working on upper body | Use template to prepare the wooden pattern and perform sheet metal work |
| Month 10 | Fixing body with chassis | Obtain fiber glass body from mold and attach it with chassis frame |
| Month 11 | Testing and finishing | Body paint and performing trails on final product. |
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