Title

Hybrid Tricycle

Lead Author Major

Mechanical Engineering

Format

SOECS Senior Project Demonstration

Faculty Mentor Name

Kyle Watson

Faculty Mentor Department

Mechanical Engineering

Abstract/Artist Statement

The purpose of this project is to design and fabricate a hybrid tricycle that is powered by both an electric motor and a gas engine for maximum fuel economy. The focus of this design is based on the need for a relatively inexpensive and efficient type of transportation that can also be used for recreational purposes. The vehicle has a user-friendly control system that is safe to operate and requires low maintenance. The vehicle achieves a top speed of 20 mph with a minimum range of 40 miles. In order to accommodate both power sources, a Schwinn 26-inch Adult Tricycle was selected as the vehicle chassis. The electric motor power source is a 800W 36V hubcentric motor that is fitted to a 26-inch wheel with a thumb control throttle. The gas engine power source is a 2-stroke 80cc engine. The tricycle’s main drive shaft is modified to fit the chain-driven system of the 80cc engine. Finally, the vehicle is modified and tested to optimize ride-comfort and full functionality of the control systems while production costs were below $1,000.

Location

School of Engineering & Computer Science

Start Date

7-5-2020 2:30 PM

End Date

7-5-2020 4:00 PM

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May 7th, 2:30 PM May 7th, 4:00 PM

Hybrid Tricycle

School of Engineering & Computer Science

The purpose of this project is to design and fabricate a hybrid tricycle that is powered by both an electric motor and a gas engine for maximum fuel economy. The focus of this design is based on the need for a relatively inexpensive and efficient type of transportation that can also be used for recreational purposes. The vehicle has a user-friendly control system that is safe to operate and requires low maintenance. The vehicle achieves a top speed of 20 mph with a minimum range of 40 miles. In order to accommodate both power sources, a Schwinn 26-inch Adult Tricycle was selected as the vehicle chassis. The electric motor power source is a 800W 36V hubcentric motor that is fitted to a 26-inch wheel with a thumb control throttle. The gas engine power source is a 2-stroke 80cc engine. The tricycle’s main drive shaft is modified to fit the chain-driven system of the 80cc engine. Finally, the vehicle is modified and tested to optimize ride-comfort and full functionality of the control systems while production costs were below $1,000.