Our plain bike with only the motor.
Our whiteboard when we started with some ideas on circuitry and box designing.
We are changing the width of our original mdf mold so it would fit when we plastic formed it with the abs plastic.
Making our own wood filler.
The mdf mold with our glue put on
We are applying our own wood filler.
These are the two mdf molds we have.
The beginning of the plastic forming process.
This is part of the plastic forming process while we are waiting for the plastic to heat up.
Waiting for the plastic forming machine to heat up
Plastic forming machine
Cooling down the plastic mold
Shaping the plastic mold after it cooled
Part of the plastic rim and the batteries we plan to use.
This is the plastic rim to go around the two plastic caps we made.
Bending the plastic for our own fit
A special liquid to melt the plastic and remelt it together
Leveling out the plastic
Sanding down the edges
The entire plastic container
Our whiteboard in the middle of the project with what we still have to do.
One side of the plastic compartment
Two parts of the plastic compartment
Fixing one of the corners with the liquid
Lining up drilling holes with tape
Battery box with the first attempt to hold both sides together
The battery box held together
Original compartment for the batteries
Machining a holder for the batteries
Machining a case to hold the batteries in the box
The battery box in the bike
Battery box in the bike compartment
The battery box with the motor controller held inside
The battery box with the wires hooked up
The battery box in the bike with the wires coming out
One side with the newly painted logo
Final Product
The finished battery box in the box with the spray paint
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EVT Electric Bicycle

We turned a regular bike into an electric bike. The bike components we had to incorporate were 4 batteries, a motor controller, a motor, and a custom built housing for the parts. This project is currently in progress.

Murali Prasad
Electrical Engineering Student Ipswich, MA