CUED's Engineering Design Challenges
Projects Overview
Introduction
Kit List
Resources
MDP CD
Engineering Design
Project Management
Drawing & CAD
Mechanisms
Structural Design
VLE/Forum
An introduction to springs
A guide to gears and pulleys
HowStuffWorks: Gears
Dr Gears
An introduction to gears
Wikipedia: Traction
Traction for wheels
The three kinds of friction
ScienceWorld: Friction
Rolling Friction
Wikipedia: Centre of Mass
Centre of Mass
MIT's "2.007" lectures on design
Engineering Design Calculations