engineering design and research welcome to engineering design and research. upon entering the class...
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Engineering Designand Research
Welcome to ENGINEERING DESIGN Welcome to ENGINEERING DESIGN AND RESEARCH. Upon entering AND RESEARCH. Upon entering the class please have a seat the class please have a seat towards front of the class (towards front of the class (Do not Do not move chairs from one table to move chairs from one table to anotheranother))..
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Course_OverviewEngineering Design offers students the opportunity to understand and apply knowledge / skills required to create & transform ideas + concepts into a product that satisfy specific requirements.
Students will experience design engineering in the creation, synthesis, iteration, and presentation of design solutions. This course will maintain a focus on:
the history (and future) of engineering,
how engineers apply mathematical, scientific, creative, and technical knowledge / skills in creation (refinement) of technical products/systems.
A key approach will be the employment of a sequential, and iterative design and development process to solve authentic engineering tasks/problems.
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The following major ‘topics’ or ‘chapters’ will be included to organize instruction of appropriate standards and benchmarks and reflect contemporary engineering industry practices:• Principles of Design• Engineering Resources• Engineering Design Process• Project Management
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Major projects =
Rockets - Team America Rocket Challenge – Work in a team to develop a rocket that can launch an uncooked egg 700 feet in air, deploy recovering system to safely land egg as close to 45 seconds as possible.
Green Energy Design – Research & design a ‘concept’ Green Home that is off ‘the grid’– Develop floor plans, Build ‘to scale’ model
Topic Investigations – Research specified area of engineering to create a presentation that includes written report, power point presentation and informative video .
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*Portfolio/Journal: To document and support participation and progress in the class students will submit a project portfolio/Journal documenting the student’s work. Portfolio format – The portfolio should be presented in the following format.Title Page - Include name of challenge, team name and logo, name of student and mod number.Table of ContentsBody – Design Brief, Class notes (Class reading, video, or computer research lesson), data, design sheets, and modifications.Conclusion – Was solution successful? Recommended modifications
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LAB SAFETY – It is imperative students practice proper lab safety and refrains from horseplay in the technology lab. Students not following lab safety will not be permitted to work in the lab setting and will be assigned alternative lessons.Absolutely no horseplay.
Wear safety glasses during lab activities.
Do not distract students using power tools, cutting tools, hot glue guns, or electronic devices.
Use tools / equipment only after proper instruction from teacher.
Use tools / equipment correctly, after receiving teacher permission, and only when teacher is in classroom.
Report all accidents and safety concerns immediately to instructor.
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ENGINEERING DESIGN RESEARCH
Proposed Outline – The proposed outline indicates one lesson (lasting more then one class period) per week.INTRODUCTION – Engineering, Technology, Society and the Environment
Engineering & Technology – Chapter 1 pp. 3 – 43
UNIT 1 Principles of Design – Part 1
Lesson 1 Design - A Formal Process Basic Drafting Review, CAD,
Selected text from Mechanical Drawing Books, & Google Sketch up,
Lesson 2 Design Requirements and Prioritizing Constraints – Rocket Design Challenge & Rocket Modeler, Fundamental rocket design principles from Rocket Modeler Text: Engineering & Technology Chapter 2 pp 49 – 88
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ENGINEERING DESIGN RESEARCHProposed Outline – The proposed outline indicates one lesson
(lasting more then one class period) per week.UNIT 2 Engineering ResourcesLesson 1 Technology Systems – Unit2 Lesson1
T-drive: Advanced Tech – Eng Dsgn Rsch ( Lesson Plan) Discuss Technical Systems – Spin-offs from NASA Construct & Test first rocket
Lesson 2 Mathematics – Text: Engineering Design: Math & Science Applications pp. 429 – 467 Construct & Test second rocket Text: Eng Dsgn Chpt 3 pp.. 62-85 Dsgn Team
Lesson 3 Material Science – Text: Engineering and Technology Chapter 4= Materials & Materials Processing – pp
131 – 177 Intro: Team America Rocket Challenge Intro: Rocket Sim
Create Rocket design teams and designate responsibilities, Begin design process
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ENGINEERING DESIGN RESEARCH
Proposed Outline – The proposed outline indicates one lesson (lasting more then one class period) per week.UNIT 1 Principles of Design part II
Lesson 3A Human Factors Affecting Design – Ergonomics Packet – Capsule design – team members
design their rocket system/ component Lesson 3B Environmental and Industrial Factors
Affecting Design - Text: Engineering and Technology Chapter 1 – Sections 4 Technology and Society
and Section 5 Technology and the environment
– Begin construction of rocket components
Lesson 4 Research and Market Profit Influence on design – Engineering Your Future – Chapter 5 pp125 – 143 – Complete construction of first TARC rocket
Lesson 5 Refining Design - - Text: Engineering Design - Chapter 8= Testing and Evaluating
– pp 206 - 220 – Analyze initial TARC designs Begin secondary design & construction of modified rocket components
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ENGINEERING DESIGN RESEARCHProposed Outline – The proposed outline indicates one lesson (lasting more then one class period) per week.UNIT 1 Principles of Design
Lesson 1 Design - A Formal ProcessLesson 2 Design Requirements and
Prioritizing ConstraintsLesson 3A Human Factors Affecting DesignLesson 3B Environmental and Industrial
Factors Affecting DesignLesson 4 Research and Market Profit
Influence on designLesson 5 Refining Design
UNIT 2 Engineering ResourcesLesson 1 Technology Systems - Building
Blocks and Technology TransferLesson 2 Material ScienceLesson 3 MathematicsLesson 4 Patent Process
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ENGINEERING DESIGN RESEARCHUNIT 3 Engineering Design Process
Lesson 1 Trade Offs vs. Creativity in Design - Reverse Engineering Info Packet and Product to take apart
Lesson 2 Design Principles and Problem Clarification
Lesson 3 Modeling TechniquesLesson 4 Communicating Results
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ENGINEERING DESIGN RESEARCHUNIT 3 Engineering Design Process
Lesson 1 Trade Offs vs. Creativity in Design
Lesson 2 Design Principles and Problem Clarification
Lesson 3 Modeling TechniquesLesson 4 Communicating Results
UNIT 4 Project ManagementLesson 1 Managing Engineering DesignLesson 2 Quality Assurance and
Product Development Engineering & Technology Chapter 5= Manufacturing – pp 184 - 220
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LAB SAFETY – It is imperative students practice proper lab safety and refrains from horseplay in the tech lab.
Students not following lab safety will lose lab privileges and be assigned alternative lessons.
- Absolutely no horseplay.- Wear safety glasses during lab activities.- Do not distract students using power tools, cutting tools, hot glue guns, or electronic devices.- Use tools / equipment only after proper instruction from teacher and after receiving teacher permission.-Report all accidents and safety concerns immediately to instructor.-Wear safety glasses when using power equipment-No tools or equipment to be used when instructor is out of class
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Info Packet – Engineering & Technology
Chapter 1 – Engineering, Technology, Society, and the environment
Sections 1 - 3 pp.4 – 25
In your notes title a sheet Technology history Write and answer questions 1 – 5 as you read
sections 1 - 3
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Engineering Design Research L2 Introduction of Topic Investigation Assignment
DRILL: Identify two historic engineers who lived in the 1400’s and made contributions that changed
society
Please obtain ‘Engineering Your Future’ Text and turn to page 15.
Read A CASE STUDY OF TWO ENGINEERS
pp. 15 – 20
Identify two engineers discussed and contributions to society
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Identify two engineers discussed and contributions to society
Leonardo Da Vinci
Envision mechanized innovations including weapon design , flying machines,
Johannes Gutenberg
First mass producing printing press
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Go to Engineering Design and Research Topic Investigation power point at H:\
EngineeringDsgn&Rserch\EDR TopicInvest- Inventor-Engineer.ppt
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Engineering Design & Research L3 –
Visualization and Graphics •OBJECTIVE : Improve visualization ability and become familiar with several common graphical communication techniques
•DRILL: Explain the concept of visualization and how it might help an engineer
•Text : Engineering your Future – pp 230 - 278
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Engineering Design & Research
•Please turn in your Topic Investigation Proposal–Only two topic Investigations will be permitted for any one engineer or invention
–We will List the Topic Investigations–Once two of the same have been achieved no more for that topic will be accepted.
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•Text : Engineering your Future – pp 230 – 278
•Complete Research packet
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Engineering Design & Research L4 –Drafting Review
•OBJECTIVE : Identify common measuring tools to measure linear distance as we review text to prepare to set up first drafting drawing
•DRILL: How has technological advancement of the last twenty years aided in research efficiency?
•Review Mechanical Drawing Text
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Introduction to Drafting• Basic Drafting
tools include:– T-Square
– 30/60 Triangle
– 45 triangle
– Drafting Scale
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Borders and Title BlocksDraw top of title block
1/2
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Borders and Title BlocksDraw borders to following measurements
½ inch
¼ inch ¼ inch
1/4 inch
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Borders and Title Blocks
3” 1” 1” 1” 1”
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Title Block – Lettering Guides: Draw two light horizontal lines, one line 1/8” from top
of title block and one line 1/8” from bottom.
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Drafting Scoring ToolExample
__/ 2 Line work .__/ 2 Lettering . __/ 2 Dimensioning__/ 3 Accuracy .
*values may change according to drawing
• Be sure to use light construction lines as you are laying out (constructing) the drawing.
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Refer to pages 62 -68 of Mechanical Drawing textbook for
information pertaining to Orthographic Projection
Refer to pages 130 - 135 of Mechanical Drawing textbook
for information on dimensioning.
P. 130 Dimensioning 11.2P. 130 Lines and symbols 11.3
P. 130 Dimension lines 11.4P. 130 Arrowheads 11.5p.130 Extension Lines
P. 133 Placing dimensions… 11.2 Unidirectional
P. 134 Theory of dimensioning 11.13
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For the drafting review you are to measure a visualization
block’ and draw it as an orthographic, oblique, and
isometric drawing.
Only the Orthographic drawing needs to be dimensioned.
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Engineering L5 – Intro to CAD –Using Google Sketch-up
Drill: What does the acronym CAD stand for?
•Objective: Experiment with various ’Sketch-up’ tools as we complete a set of tutorials in order to gain Fundamental understanding of CAD
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L5 – Intro to CAD –Using Google Sketch-up
Go to ‘my computer’ -> Student Drive -> ‘tech’ folder ->
‘Sketchup_tutorial video’ folder.
Using the ‘Google Sketch-up tutorial handout’ as a guide
complete the described activities to gain an understanding on how to use this simple CAD program. After completing the tutorial use
‘Sketch-Up’ to complete and orthographic and isometric view
of your ‘drawing block
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Engineering Design and Research L6 – Safety ReviewSafety VideoSafety test
•OBJECTIVE : Safety
•DRILL: Identify three important safety rules to follow while working in the Technology Lab
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How many of the following rules did we get?
• When working around machines with moving and/or spinning parts be sure to secure dangling jewelry, long hair, loose clothing, and remove accessories that might get caught.
• When working with equipment focus on what you are doing. Do not speak to people operating machines.
• Stay out of machines ‘Safety Zone’ (3 foot perimeter) if you are not directly involved in operation.
• Immediately report all accidents/ injuries to instructor.
• Report any ‘unsafe’ conditions to instructor• Use tools / equipment only as directed and after
instruction• Do not carry hand tools etc. in your pockets
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A few more important safety items• Tools for cutting should be sharp…Dull
tools cause injuries• Wear safety glasses• Return tools and equipment to proper
location as soon as you are finished using it!
• Do not carry long stock by balancing it in center.
• Wear an apron to protect / secure clothing• Do not put sharp tools or hot items near
neighbors, face, or handle carelessly.• Do not use electrical tools or items in such
a way that is likely to cause shock.• Always leave class with same number of
body parts that you entered with.
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SAFETY VIDEOThe following video deals with
safety in the Tech Ed lab, as well as general safety rules to follow outside of class. As there is so much information
presented in video you will not be asked to take notes. You are
expected to pay attention
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SAFETY QUIZPlease be sure to immediately fill in
name, period and date.Do not write on question sheet.
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• Consider these two images. One is a serene setting found throughout the globe. The other is an example of technological beauty. However, in order to have the convenience and beauty of a bridge, there will be considerable tradeoffs with respect to ethical, political, and economic constraints.
• Create a note sheet titled Engineering Tradeoffs and Constraints and
• 1) Identify Ethical, Political, Economic, and Ecological tradeoffs / constraints that must be considered in bridge design and location
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Engineering Design Research L8
Design Requirements and Prioritizing Constraints Text: Engineering & Technology Chapter 2 pp 49 – 88
Objective: Prioritize Design Constraints to Avoid Conflict Between
Economic, Ethical, Safety and Political Issues.
DRILL: Explain how Economic, Political, and Ethical issues can arise in trying to create a car to meet the
challenges of high gas prices and pollution concerns.
What other issues might arise in the car design?
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Engineering Design Research L8
Design Requirements and Prioritizing Constraints Text: Engineering & Technology Chapter 2 pp 49 – 88Read pages 48 – 52
As you read please answer feedback questions 1 & 3 on page 53.
Look at figure 2.3 and read the supporting text. How did the variations between designed and constructed walkways cause the failure
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Kansas City Hyatt Regency Hotel
Walkway Collapse
Background
The Hyatt Regency Hotel was built in Kansas City, Missouri in 1978. This hotel consisted of a 40-story hotel tower and conference facilities,
which were connected by an open concept atrium. Inside the atrium, there were three walkways that connected the hotel to the
conference facilities on the second, third, and fourth floors. The atrium was 145 feet long, 117
feet wide and 50 feet high.
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The Hyatt Regency Walkway Collapse
Presented By: Jonathan Foster
4/9/02
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An Engineering Disaster
Kansas City, Missouri - 1981
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July 17, 1981
• Approximately 2000 People Came for a Dance Competition
• At 7:05 pm a large crack was heard and two walkways collapsed
•Leaving 114 Dead and Left over 200 injured
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Gillum-Colaco International Inc. (G.C.E. Inc.)
Proposed Design for the Walkways
• wide flange beams were to be used on either side of the walkway which was hung from a box beam
• a clip angle was welded to the top of the box beam which connected to the flange beams with bolts
• one end of the walkway was welded to a fixed plate while the other end was supported by a sliding bearing
• each box beam of the walkway was supported by a washer and nut which was threaded onto the supporting rod
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Proposed Design
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The Revised Design
• one end of each support rod was attached to the atrium’s roof cross beams
• the bottom end went through the box beam where a washer and nut were threaded on
• the second rod was attached to the box beam 4" from the first rod
• additional rods suspended down to support the other levels in a similar manner
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Actual Design
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The Fourth Floor Connection
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Reasons For Disaster
• Lack of Communication
• Interpreting Preliminary Drawings as Finalized Drawing
• Insufficient Review of the Final Design
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Kansas City Hyatt Regency HotelWalkway Collapse
Timeline
The project began in 1976 with Gillum-Colaco International Inc. (G.C.E. Inc.) as the consulting structural engineering firm. They were contracted in 1978. The construction on the hotel began in
the spring of 1978. In December of 1978, Havens Steel Company entered the contract to fabricate and erect the atrium. The
following February, Havens changed the design of the connection for the second and fourth floor walkways from a single to a double rod. During construction in October 1979, part of the atrium roof collapsed and an inspection team was brought in to investigate
the collapse. G.C.E. vowed to review all the steel connections in the atrium. In July 1980, the hotel was open for business. On July 17, 1981 at 7:05 p.m., a loud crack was heard as the second and
fourth floor walkways came crashing down to the ground level. There were about 2000 people gathered in the atrium for a dance contest. After the collapse, 114 people were dead and left more
than 200 were injured.
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Kansas City Hyatt Regency HotelWalkway Collapse
Main Reasons for Collapse
The failure of the Hyatt Regency walkway was a combination of things. The most important cause was the design in the walkways.
The proposed design of the walkways was:
A wide flange beams that was used on either side of the walkway which hung from a box beam.
A clip angle that was welded to the top of the box beam which connected the flange beams with bolts.
One end of the walkway was welded to a fixed plate, whereas the other end was supported by a sliding bearing
Each box beam of the walkway was supported by a washer and nut which was threaded onto the supporting rod.
Due to disputes between G.C.E. and Havens, the design changed from a single to a double hanger rod, simply because Havens did not want to thread the
entire rod in order to install the washer and nut.
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Kansas City Hyatt Regency HotelWalkway Collapse
The actual design consisted of:
One end of each support rod was attached to the atrium's roof cross beams The bottom end of the rod went through the box beam where a washer and nut
were threaded on The second rod was attached to the box beam four inches from the first rod
Additional rods were suspended down to support the second level in a similar manner
Due to the addition of another rod, the load on the nut connecting the fourth floor segment was increased. The original load for each hangar rod was to be
90kN, but the alteration increased the load to 181kN. The box beams were welded horizontally and therefore could not hold the weight of two walkways. During the collapse, the box beam split and the bottom rod pulled through the
box beam resulting in the collapse.
Another problem was the lack of communication between G.C.E. and Havens. The drawing prepared by G.C.E. were only preliminary sketches that Havens
interpreted to be the finalized drawings. Another large error was G.C.E.'s failure to review the final design which would have allowed them to catch the error in
increasing the load on the connections.
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Kansas City Hyatt Regency HotelWalkway Collapse
Who's to Blame?
An investigation took place to determine the exact cause of the accident and who was responsible for the accident. The investigation determined that the
flaw was contained in the design and the construction techniques were not at fault.The construction was sound according to the imperfect design. G.C.E was
credited with the complete fault of the collapse of the walkways.These conclusions were arrived at by conducting an extensive investigation of the walkways. First, they determined how the walkways collapsed. The fourth floor collapsed first, directly onto the second floor, which in turn caused it to
collapse. It was also determined that the design prints had been changed with G.C.E. approval. The investigation found out that both designs of the walkways were well below the required safety stress required by the Kansas City Building
Code.
The engineers at G.C.E. were found of gross negligence, misconduct and unprofessional conduct in the practice of engineering. Consequently, the
engineers lost their licenses and many supporting firms went bankrupt. The results proved that engineers are held responsible for the public's safety in the design of their projects and must be held accountable if anything goes wrong.
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Kansas City Hyatt Regency Hotel
Walkway Collapse
Background
Proposed walkway design Constructed Walkway
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Engineering Design Research L8
Design Requirements and Prioritizing Constraints Text: Engineering & Technology Chapter 2 pp 49 – 88Read pages 53 - 63
As you read please answer feedback questions 1 – 4 on page 63.
Look at figure 2.3 and read the supporting text. How did the variations between designed and constructed walkways cause the failure
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Engineering Design Research L9
Introduce Rocket Modeler
http://www.grc.nasa.gov/WWW/K-12/airplane/rktsim.html
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Scroll down the screen to the informative reading.Read the first paragraph, then click design variables.
Answer questions as you read…Click the safe button when finished
Designvariables
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Study the illustration, read the 7 paragraphs and answer the questions related to rocket safety. When finished click the
BACK button twice to return to the Design screen.
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Engineering Design Research L10
Design Requirements and Prioritizing Constraints Text: Engineering & Technology Chapter 2 pp 63 – 88
Objective: Prioritize Design Constraints to Avoid Conflict Between
Economic, Ethical, Safety and Political Issues.
DRILL: In engineering what are the differences between the physical system and the mathematical
model of the system?
(answered during section 3 reading today)
Next slide
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Engineering Design Research L10
Design Requirements and Prioritizing Constraints Text: Engineering & Technology Chapter 2 pp 63 – 88Read pages 63 - 75
As you read please answer feedback questions 2 on page 74 as your drill response
Answer question 3 page 75 as a continuation in notes– 4 Read pages 75 - 79
As you read please answer (in sentence form) feedback questions 1 & 2 on page 79 as a continuation in notes
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Following are two of Newton’s three Laws of Motion, fill in the blanks with the key words.
NEWTON’S LAWS OF MOTION
LAW 1 : AN OBJECT REMAINS AT _____ OR MOVES WITH CONSTANT ____ IN A STRAIGHT LINE UNLESS ACTED ON BY
AN OUTSIDE _____.
LAW 2: THE ACCELERATION OF AN OBJECT OF CERTAIN _______ IS DETERMINED BY THE _______ OF THE FORCE
ACTING AND THE DIRECTION IN WHICH IT ACTS.
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LAW 1 : AN OBJECT REMAINS AT REST OR MOVES
WITH CONSTANT SPEED IN A STRAIGHT LINE
UNLESS ACTED ON BY AN OUTSIDE FORCE.
LAW 2: THE ACCELERATION OF AN OBJECT OF
CERTAIN MASS IS DETERMINED BY THE SIZE OF THE FORCE ACTING AND THE DIRECTION IN WHICH IT
ACTS.IN YOUR “NOTES” SECTION COPY THE FOLLOWING:LAW 3: FOR EVERY THERE IS EQUAL AND
_________ REACTION.
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LAW 3: FOR EVERY ACTION THERE IS EQUAL AND OPPOSITE REACTION.
SO WHAT DOES THIS HAVE TO DO WITH ROCKETS?A ROCKET ENGINE IS A REACTION ENGINE. The
CHEMICALS INSIDE THE ENGINE BURN WITH THE EXHAUST BEING FORCE THROUGH A SMALL
OPENING AT THE END (ACTION). THE EXHAUST EXITING THE END CREATE A REACTIVE FORCE THAT
PROPELS THE ROCKET UP (REACTION) ACTION REACTION
EXHAUST FORWARDMOTION
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LAW 2: THE ACCELERATION OF AN OBJECT OF CERTAIN
MASS IS DETERMINED BY THE SIZE OF THE FORCE
ACTING AND THE DIRECTION IN WHICH IT
ACTS.
So, which rocket do you think would travel further A or B…
Why?
A B
ENGINE
EXHAUST
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LAW 1 : AN OBJECT REMAINS AT REST OR MOVES WITH CONSTANT
SPEED IN A STRAIGHT LINE UNLESS ACTED ON BY AN
OUTSIDE FORCE.
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Engineering Design Research L11
What are some generalizations you observed yesterday in design characteristics of a rocket achieving the greatest height?
Using the Rocket Modeler program or the info packet titled ‘Rocket Principles’ and answer the two accompanying questions.Explain the importance of Center of pressure and Center of Gravity in rocket design.How can you determine CP and CG of your physical model?
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Engineering Design Research L11
Design a model rocket to achieve the greatest height using an A8-3 Engine.
Be sure to fill in the Rocket design specs of tested rockets on Design sheets.
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ROCKET DESIGN AND MODIFICATION CHALLENGEFollowing the specifications listed below design a rocket that
will achieve the greatest height.. As you design better performing rockets you are to use the ‘Print Screen’
command to record your information on a Power Point Slide.• SPECIFICATIONS• Body Length = 16 – 33cm• Body Diameter = 1.8cm• Nose Cone = 4 – 12cm• Fin Width = 1.5 – 5cm• Fin Length = 2 – 6cm• Fin Height = 0 – 6cm• Rocket Engine = A8-3
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Engineering Design Research L12
Design Requirements and Prioritizing Constraints Text: Engineering & Technology Chapter 2 pp 49 – 88Challenge & Rocket Modeler, Fundamental rocket design principles from Rocket Modeler Rocket Design
Objective: Prioritize Design Constraints to Avoid Conflict Between
Economic, Ethical, and Political Issues.
DRILL: Explain how Economic, Political, and Ethical issues can arise in trying to create a car to
meet the challenges of high gas prices and pollution concerns.
What other issues might arise in the car design?
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Engineering Design Research L13
Design Requirements and Prioritizing Constraints Power Tool Safety – Band Saw, Drill Press, Lathe
Objective: Demonstrate correct and safe power tool use as we participate in Safety
demonstration
DRILL: How can we use the construction of a prototype rocket to demonstrate safe tool use.
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How can we use the construction of a prototype rocket to demonstrate safe tool use.
Use band saw to cut out silhouette of proposed rocket to determine center of pressure.
Use Lathe to ‘turn’ nose cone
Use drill press in construction of Engine Lug
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Engineering Design Research L6
Design Requirements and Prioritizing Constraints Text: Engineering & Technology Chapter 2 pp 49 – 88
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Engineering Design Research L3
Objective: Prioritize Design Constraints to Avoid Conflict Between
Economic, Ethical, and Political Issues.
DRILL: Explain how Economic, Political, and Ethical issues can arise in trying to create a car to
meet the challenges of high gas prices and pollution concerns.
What other issues might arise in the car design?
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Engineering Design Research L2
Objective: Identify significant events in evolution of human engineering as we read discuss technology and history.
DRILL: Identify two historic engineers who lived in the 1400’s and made contributions that changed
society
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Engineering Design Research L3Design is the result of a formal, sequential process
• Define the Problem• Brainstorm Possible Solutions• Research and Generate Ideas
• Identify Criteria and Constraints• Explore Possibilities• Select an Approach• Develop a Design
• Construct a Prototype• Test the Design
• Refine the Design• Manufacture Final Product
• Communicate Results
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For cases dealing with design: consider the importance of a product, its viability, its marketability, and its substitutability from a managerial as well as engineering perspective. The following questions should be addressed in these cases.
-- Is this product essential?-- Is designing, manufacturing or marketing this product this way
the only option?-- What are the economic, political and ethical side effects of this
product?-- What are the environmental side effects of this product?-- What tradeoffs were made between economical, ethical, political
orenvironmental issues?-- Is there another viable approach to this design that would more
effectivelyaddress the resulting political, ethical, and economic issues?
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Engineering Design Research L2
Complete ‘Reverse Engineering Models’ assignment (described at bottom of chapter 13 handout).
Be sure to re-assemble model with all parts in correct location.
Accurately sketch a diagram of all of the parts and illustrate how they fit together to make the
device operate (exploded view).
List at least three ways you feel the device could be improved.
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Engineering Design Research REVERSE ENGINEERING
Objective: Analyze a common object as we de-construct then reconstruct the object.
Propose modifications that might be applied to improve design.
DRILL: Identify three separate engineering fields (example: structural engineer)
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Engineering Design Research L2
Complete ‘Reverse Engineering Models’ assignment (described at bottom of chapter 13 handout).
Be sure to re-assemble model with all parts in correct location.
Accurately sketch a diagram of all of the parts and illustrate how they fit together to make the
device operate (exploded view).
List at least three ways you feel the device could be improved.
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Text: Engineering Your Future
Chapter – Engineering Design pp. 351 – 377
Answer handout questions then complete ‘Reverse Engineering Models’ assignment
(described at bottom of handout).
Be sure to take notes (sketch or written) documenting method of taking object apart so
object can be re-assembled.