three wheeled vehicle stability design
Dynamics of a Three-Wheel Vehicle withTadpole Design
This is the best example of building a velomobile that I have ever seen.
A 330lb vehicle will be close to 600lbs when it is loaded with the driver and some cargo.
Some basic concepts
Generating electricity with pedal power for the motor:
Open source electric vehicle projects:
/ how to motorize a big vehicle/ Hub Motors / How much power do you really need?