1.1 ENGINEERING DESIGN
DEEP DIVE VIDEOS
- What was the problem the engineers at IDEO were asked to solve?
The engineers at IDEO were asked to redesign the shopping cart to help solve some of the inconveniences that shoppers and store owners face regularly.
- Name two constraints that they had to deal with.
They had a very short deadline of 5 days and the engineers at IDEO were not experts in design or construction.
- What were two of the major concerns/issues the teams discovered from their research?
The teams found out that the carts are a danger to children and can cause them to be hospitalised. They have also found out that the shopping carts are very prone to the wind accelerating them to high speeds.
- IDEO uses several methods, processes and ideas to generate alternative solutions. What two principles or approaches appealed to you the most? Why?
Collating every single idea that anyone produces and then combining them according to trial and error appeals to me the most. By collating every idea, more key features will be produced into the final product. Through comparing ideas with one another, or trail and error, problems with an idea can be fixed with another idea.
- How were the possible solutions prototyped and tested?
Each team was given a feature to work on under a tight schedule, they were required to build a prototype of their trolley and the time constraints forced them to focus on the topic.
- Was there a redesign step in the IDEO project? What was the final outcome?
There was a redesign step in the IDEO project where they combined the key features of all the prototypes into their final product. The final outcome was a working model that consisted of all the best points of each prototype.
1.2 Assignment of roles
Project Manager
Jeff Lee
Drivetrain Engineer
Tham Chun Leong
Wheel Engineer ,Chassis Engineer
Tng Renjie
1.3 Brainstorming
Engineering Goals
Develop a MouseTrap Car with the following specifications:
- Uses only the MouseTrap provided as the only energy source
- Has a maximum length of 30 cm, with of 10 cm, and a height of 10 cm
- Can travel a minimum distance of 5 meters carrying an egg (the egg will be provided by the teacher)
- All time-lines have to be adhered
1st Idea
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2nd Idea
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3rd Idea
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5.7 Bibliography
Brian, E. (2013, November 04). Son of ratracer: Mouse car. Retrieved from http://netninja.com/2013/11/04/son-of-ratracer-mouse-car/
Charles and maria's mouse trap car. (2005, December 06). Retrieved from http://mariau99.tripod.com/
Brian, E. (2013, November 04). Son of ratracer: Mouse car. Retrieved from http://netninja.com/2013/11/04/son-of-ratracer-mouse-car/
Charles and maria's mouse trap car. (2005, December 06). Retrieved from http://mariau99.tripod.com/
How to adapt a mousetrap car for distance. (2009, November 14). Retrieved from http://www.wikihow.com/Adapt-a-Mousetrap-Car-for-Distance
1.4 Decision Making Matrix
1.5 Design rationale and notes
Wheels
CD
Lever arm
chopstick
Chassis Material
mousetrap
Chassis Shape
Square shape
Location of Mousetrap
Used as the body
Axles
Chopsticks
String type and attachment
Nylon string (tying and taping)
1.6 Materials used
1.7 Preliminary Sketch (Using Google Sketchup)
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