Task/Activities Responsible Team Member(s)
1 Project Planning
2 Obtain Customer Needs (continuous) All
3 Define Engineering Specifications All
4 Create Preliminary Plan Julie
5 Define Possible Risks (preliminary) Caroline / All
6 Create / Define Team Norms & Values Chris
7 Choose Team Leader All
8 Benchmarking / Research
9 Physics of Sound Julie / Ted
10 Sound Measurement Julie
11 Internal Combustion Engine Chris
12 Current Noise Reduction Methods Caroline
13 Concept Generation (Noise Reduction)
14 Contact Acoustics Experts (D-R & Dr. Wyffels) Julie / Caroline
15 Validate Assumptions Chris
16 Become Familiar with Sound in Mufflers Julie
17 Research Absorption Materials - Muffler Design Caroline
18 Research Anti-Phase Design Ted
19 Create List of Design Options All
20 System Analysis
21 Feasibility Study of Available Designs All
22 Risk Assessment - Updated All
23 Obtain Actual Sound Exhaust Recording & Measurements Caroline / Julie
24 Create Visual Aids - Exhaust System Layout (black boxes) Chris & Julie
25 Compile Presentation & Practice All
26 Perform System Level Design Review All
27 Engine Characterization
28 Define Process & Inputs Ted / Julie
29 Look at Current Formula car Chris / Caroline
30 Determine Sensors & Equipment need Chris / Caroline
31 Acquire Sensors & Other Equipment (if needed) Chris / Caroline
32 Set-up Formula Car for Testing Chris, Julie, Caroline, Ted
33 Obtain Data from Formula Car Chris, Julie, Caroline, Ted
34 Analyze Data - Create "Map" of engine Chris, Julie, Caroline, Ted
35 Mid-Project Scope Evaluation
36 Finalize Scope All
37 Update Needs, Specs, Plan, Risks All
38 Detailed Design Analysis
39 Develop Absorption Mechanical Option Caroline
40 Finalize Design 0
41 Create Drawings 0
42 Create BOM 0
43 Calculate Cost 0
44 Develop Resonator Mechanical Option Julie
45 Finalize Design 0
46 Create Drawings 0
47 Create BOM 0
48 Calculate Cost 0
49 Develop ANC Design Ted
50 Create System Layout 0
51 Develop Packaging 0
52 Develop / Obtain Test Rig for Engine Chris
53 Final Design Analysis 0
54 Update Risk Assessment Chris
55 Formalize Engine Characterization results Chris & Julie
56 Compile Data & Information for EE's Ted
57 Perform Detailed Design Review All
58 Project Review 0
59 Update Risk Assessment 0
60 Perform Project Review All
61 Complete & upload all documentation on EDGE Julie & Caroline
62 MSD II Preparation / Planning Caroline
63 Create specification sheet and summary for EE's 0
64 Create WBS and plan / schedule 0
0 0 0
65 Buy pressure level meter Caroline
66 Obtain Materials for Absorption Muffler Designs Caroline
67 Buy two perforated pipes for designs 1 and 3 0
68 Buy perforated sheet for design 2 0
69 Buy rock wool 0
70 Buy steel wool - three weights 0
71 Obtain fiberglass from Formula team 0
72 Buy steel sheets for outer tubes and end caps 0
73 Manufacture Absorption Muffler Designs Caroline
74 Bend inner tube for design 3 into sine curve Caroline
75 Cut and weld the inner tube for design 2 Caroline
76 Cut outer tubes, end caps, and flange sections Caroline
77 Weld flanges Caroline
78 Weld together outer tubes, end caps, inner tubes, flanges Caroline
79 Design Resonator Demo for ImagineRIT Julie & Chris
80 Create Design - Concentric Tube Resonator Julie
81 Create Drawings - Concentric Tube Resonator Julie
82 Create BOM - Concentric Tube Resonator Julie
83 Create Design - Helmholtz Resonator Chris
84 Create Drawings - Helmholtz Resonator Chris
85 Create BOM - Helmholtz Resonator Chris
86 Design Attachment Section to Engine Chris
87 Obtain flanges Chris
88 Obtain 1" pipe Chris
89 Weld 1" Pipe to Engine Exhaust Chris
90 Weld a Flange to 1" Pipe Chris
91 Obtain Gaskets to Seal Interface Chris
92 Obtain Parts and Materials for Resonator Demo Chris
93 Register for ImagineRIT Chris
0 0 0
94 Team Meeting All
95 Meet with EE Team All
### #REF! #REF!
### #REF! #REF!
96 Construct Resonator Demo Julie
97 Create Helmholtz Resonator Demo Julie
98 Create Concentric Tube Resonator Demo Julie
99 Update EDGE Julie
100 Meet with Hanzlik All
101 Complete Manufacture of Absorption Designs (if needed) Caroline
102 Update EDGE Julie
103 Meet with Hanzlik All
104 Update EDGE Julie
105 Meet with Hanzlik All
106 Build ANC Design Ted & EE Team
107 Build housing/mount speakers & sensors Ted
108 Install and test DSP Ted
109 Complete system and mount to engine Ted & EE Team
110 Update EDGE Julie
111 Meet with Hanzlik All
112 Complete all attachment sections between mufflers & engine Chris & Caroline
113 Create Engine Test Stand for ImagineRIT Ted
114 Obtain table Ted
119 Mount engines to table Ted
120 Testing & Debugging All
121 Exhaust End Cap Testing Chris
122 Hybrid System Testing Chris & Caroline
123 ANC system (with EE team) Ted
124 Update EDGE Julie
125 Meet with Hanzlik All
130 Update EDGE Julie
131 Meet with Hanzlik All
132 Update EDGE Julie
133 Meet with Hanzlik All
134 Absorption Design Selection for ImagineRIT Caroline
135 Update EDGE Julie
136 Meet with Hanzlik All
137 Update EDGE Julie
138 Meet with Hanzlik All
139 Prepare for ImagineRIT All
140 Acquire supplies for booth (TV, canopy, etc) Julie
141 Obtain and dissect car mufflers Caroline
142 Make sure registration is okay Chris
143 Practice all absorption muffler tests Caroline
144 Practice with the Resonator Demo Julie & Chris
145 Examining visual techniques to show noise cancellation Ted
146 Update Risk Assessment All
147 Create Schedule for the day Julie
148 Create posters Julie
149 Run through presentation with EEs All
150 Ensure engine/exhaust systems are ready Caroline and Ted
151 Set-up booth (morning day of) All
152 ImagineRIT fair All
153 Write Technical Paper All
154 75% Paper due All
155 100% Paper due All
156 Create Project Poster All
157 Project Review Presentation All
158 Create Presentation All
159 Practice Presentation All
160 Perform Review All
161 Improve Designs All
162 Update EDGE Julie
163 Meet with Hanzlik All
164 Update EDGE Julie
165 Final Project Review All
166 Create Presentation all
167 Practice Presentation all
168 Perform Review all
169 Final EDGE Update Julie
170 0 0
171 0 0
172 0 0
173 0 0
174 0 0
175 0 0
0 0 0
0 Rev: H 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
Comments
Task Done
Risk - make sure all assumptions are valid before proceeding
Risk - car not available
Risk - may take awhile to get needed equipment
Risk - car not in condition to test
September October November March
ID Task Name Duration Start Finish
10 17 24 1 8 15 22 29 5 12 19 11 18
1 Project Planning 15 days Fri 9/10/10 Fri 9/24/10 x x x
2 Obtain Customer Needs (continuous) 8 days Fri 9/10/10 Fri 9/17/10 x x
3 Define Engineering Specifications 8 days Fri 9/17/10 Fri 9/24/10 x x
4 Create Preliminary Plan 1 day Thu 9/23/10 Thu 9/23/10 x
5 Define Possible Risks (preliminary) 1 day Thu 9/23/10 Thu 9/23/10 x
6 Create / Define Team Norms & Values 1 day Thu 9/23/10 Thu 9/23/10 x
7 Choose Team Leader 1 day Thu 9/23/10 Thu 9/23/10 x
8 Benchmarking / Research 7 days Fri 9/10/10 Thu 9/16/10 x x
9 Physics of Sound 7 days Fri 9/10/10 Thu 9/16/10 x x
10 Sound Measurement 7 days Fri 9/10/10 Thu 9/16/10 x x
11 Internal Combustion Engine 7 days Fri 9/10/10 Thu 9/16/10 x x
12 Current Noise Reduction Methods 7 days Fri 9/10/10 Thu 9/16/10 x x
13 Concept Generation (Noise Reduction) 10 days Fri 9/24/10 Tue 10/5/10 x x x
14 Contact Acoustics Experts (D-R & Dr. Wyffels) 2 days Mon 9/27/10 Tue 9/28/10 x x
15 Validate Assumptions 2 days Mon 10/4/10 Tue 10/5/10 x
16 Become Familiar with Sound in Mufflers 12 days Fri 9/24/10 Tue 10/5/10 x x x
17 Research Absorption Materials - Muffler Design 2 days Wed 9/29/10 Thu 9/30/10 x x
18 Research Anti-Phase Design 7 days Fri 9/24/10 Thu 9/30/10 x x
19 Create List of Design Options 4 days Fri 10/1/10 Mon 10/4/10 x
20 System Analysis 5 days Mon 10/4/10 Fri 10/8/10
21 Feasibility Study of Available Designs 3 days Mon 10/4/10 Wed 10/6/10 x x
22 Risk Assessment - Updated 1 day Wed 10/6/10 Thu 10/7/10 x x
23 Obtain Actual Sound Exhaust Recording & Measurements 2 days Mon 10/4/10 Tue 10/5/10 x x
24 Create Visual Aids - Exhaust System Layout (black boxes) 1 day Wed 10/6/10 Wed 10/6/10 x x
25 Compile Presentation & Practice 2 day Wed 10/6/10 Thu 10/7/10 x x
26 Perform System Level Design Review 1 day Fri 10/8/10 Fri 10/8/10 x
27 Engine Characterization 7 days Mon 10/4/10 Thu 10/14/10 x x x
28 Define Process & Inputs 2 day Mon 10/4/10 Tue 10/5/10 x
29 Look at Current Formula car 1 day Fri 10/8/10 Fri 10/8/10 x
30 Determine Sensors & Equipment need 1 day Tue 10/5/10 Tue 10/5/10 x
31 Acquire Sensors & Other Equipment (if needed) 5 days Tue 10/5/10 Sat 10/9/10 x x
32 Set-up Formula Car for Testing 1 day Thu 10/21/10 Thu 10/21/10 x
33 Obtain Data from Formula Car 1 day Thu 10/21/10 Thu 10/21/10 x
34 Analyze Data - Create "Map" of engine 2 days Thu 10/21/10 Fri 10/22/10 x
35 Mid-Project Scope Evaluation 10 days Tue 10/12/10 Thu 10/21/10 x
36 Finalize Scope 8 days Tue 10/12/10 Tue 10/19/10 x x
37 Update Needs, Specs, Plan, Risks 2 days Wed 10/20/10 Thu 10/21/10 x
38 Detailed Design Analysis 14 days Fri 10/22/10 Thu 11/4/10 x x x
39 Develop Absorption Mechanical Option 14 days Fri 10/22/10 Thu 11/4/10 x x x
40 Finalize Design x x x
41 Create Drawings x x x
42 Create BOM x x x
43 Calculate Cost x x x
44 Develop Resonator Mechanical Option 14 days Fri 10/22/10 Thu 11/4/10 x x x
45 Finalize Design x x x
46 Create Drawings x x x
47 Create BOM x x x
48 Calculate Cost x x x
49 Develop ANC Design 14 days Fri 10/22/10 Thu 11/4/10 x x x
50 Create System Layout x x x
51 Develop Packaging x x x
52 Develop / Obtain Test Rig for Engine 14 days Fri 10/22/10 Thu 11/4/10 x x x
53 Final Design Analysis 7 days Wed 11/3/10 Thu 11/4/10 x
54 Update Risk Assessment 1 day Thu 11/4/10 Thu 11/4/10 x
55 Formalize Engine Characterization results 2 days Wed 11/3/10 Thu 11/4/10 x
56 Compile Data & Information for EE's 2 days Wed 11/3/10 Thu 11/4/10 x
57 Perform Detailed Design Review 1 day Fri 11/5/10 Fri 11/5/10 x
58 Project Review 3 days Wed 11/17/10 Fri 11/19/10 x
59 Update Risk Assessment 3 days Wed 11/17/10 Thu 11/18/10 x
60 Perform Project Review 1 day Fri 11/19/10 Fri 11/19/10 x
61 Complete & upload all documentation on EDGE 3 days Mon 11/15/10 Wed 11/17/10 x
62 MSD II Preparation / Planning 7 days Mon 11/15/10 Wed 11/17/10 x
63 Create specification sheet and summary for EE's 2 days Tue 11/16/10 Wed 11/17/10 x
64 Create WBS and plan / schedule 6 days Fri 11/12/10 Wed 11/17/10 x
65 Buy pressure level meter 3 mo Mon 11/29/10 Mon 2/28/11
66 Obtain Materials for Absorption Muffler Designs 1 mo Mon 11/28/11 Tue 12/20/11
67 Buy two perforated pipes for designs 1 and 3
68 Buy perforated sheet for design 2
69 Buy rock wool
70 Buy steel wool - three weights
71 Obtain fiberglass from Formula team
72 Buy steel sheets for outer tubes and end caps
73 Manufacture Absorption Muffler Designs 2 mo Mon 1/10/11 Mon 2/28/11
74 Bend inner tube for design 3 into sine curve
75 Cut and weld the inner tube for design 2
76 Cut outer tubes, end caps, and flange sections
77 Weld flanges
78 Weld together outer tubes, end caps, inner tubes, flanges
79 Design Resonator Demo for ImagineRIT 3 mo Mon 11/29/10 Mon 2/28/11
80 Create Design - Concentric Tube Resonator 26 days Mon 11/29/10 Fri 12/24/10
81 Create Drawings - Concentric Tube Resonator 17 days Wed 1/5/11 Fri 1/21/11
82 Create BOM - Concentric Tube Resonator 17 days Wed 1/5/11 Fri 1/21/11
83 Create Design - Helmholtz Resonator 26 days Mon 11/29/10 Fri 12/24/10
84 Create Drawings - Helmholtz Resonator 17 days Wed 1/5/11 Fri 1/21/11
85 Create BOM - Helmholtz Resonator 17 days Wed 1/5/11 Fri 1/21/11
86 Design Attachment Section to Engine 3 mo Mon 11/29/10 Mon 2/28/11
87 Obtain flanges
88 Obtain 1" pipe
89 Weld 1" Pipe to Engine Exhaust
90 Weld a Flange to 1" Pipe
91 Obtain Gaskets to Seal Interface
92 Obtain Parts and Materials for Resonator Demo 36 days Mon 1/24/11 Mon 2/28/11
93 Register for ImagineRIT 3 days Mon 1/17/11 Wed 1/19/11
94 Team Meeting 1 day Tue 3/8/11 Tue 3/8/11 x
95 Meet with EE Team 1 day Wed 3/9/11 Wed 3/9/11 x
96 Construct Resonator Demo 15 days Fri 3/11/11 Fri 3/25/11 x x
97 Create Helmholtz Resonator Demo 15 days Fri 3/11/11 Fri 3/25/11 x x
98 Create Concentric Tube Resonator Demo 15 days Fri 3/11/11 Fri 3/25/11 x x
99 Update EDGE 1 day Thu 3/10/11 Thu 3/10/11 x
100 Meet with Hanzlik 1 day Fri 3/11/11 Fri 3/11/11 x
101 Complete Manufacture of Absorption Designs (if needed) 5 days Mon 3/7/11 Fri 3/11/11 x
102 Update EDGE 1 day Thu 3/17/11 Thu 3/17/11 x
103 Meet with Hanzlik 1 day Fri 3/18/11 Fri 3/18/11 x
104 Update EDGE 1 day Thu 3/17/11 Thu 3/17/11 x
105 Meet with Hanzlik 1 day Fri 3/18/11 Fri 3/18/11 x
106 Build ANC Design 32 days Mon 3/14/11 Fri 4/15/11
Finalize Bipole box design for engine x
107 Build housing/mount speakers & sensors 15 days Mon 3/14/11 Fri 4/1/11
108 Install and test DSP 8 days Fri 4/1/11 Fri 4/8/11
109 Complete system and mount to engine 12 days Mon 4/4/11 Fri 4/15/11
110 Complete all attachment sections between mufflers & engine 32 days Mon 3/14/11 Thu 4/14/11
111 Create Engine Test Stand for ImagineRIT 32 days Mon 3/14/11 Thu 4/14/11
112 Obtain table 11 days Mon 3/14/11 Thu 3/24/11 x
113 Mount engines to table 18 days Mon 3/28/11 Thu 4/14/11
114 Testing & Debugging 46 days Mon 3/14/11 Thu 4/28/11
115 Absorption Ideal Density Testing x
116 Absorption Geometry comparison testing x
117 Resonator 1/4 & 1/2 wave length testing x
118 ANC Engine System Testing
119 Exhaust End Cap Testing 32 days Mon 3/14/11 Thu 4/14/11 x
120 Hybrid System Testing 18 days Mon 3/28/11 Thu 4/14/11
121 ANC system (with EE team) 18 days Mon 4/11/11 Thu 4/28/11
122 Update EDGE 1 day Thu 3/24/11 Thu 3/24/11
123 Meet with Hanzlik 1 day Fri 3/25/11 Fri 3/25/11
124 Update EDGE 1 day Thu 3/31/11 Thu 3/31/11
125 Meet with Hanzlik 1 day Fri 4/1/11 Fri 4/1/11
126 Update EDGE 1 day Thu 4/7/11 Thu 4/7/11
127 Meet with Hanzlik 1 day Fri 4/8/11 Fri 4/8/11
128 Update EDGE 1 day Thu 4/14/11 Thu 4/14/11
129 Meet with Hanzlik 1 day Fri 4/15/11 Fri 4/15/11
130 Absorption Design Selection for ImagineRIT 4 days Tue 4/19/11 Fri 4/22/11
131 Update EDGE 1 day Thu 4/28/11 Thu 4/28/11
132 Meet with Hanzlik 1 day Fri 4/29/11 Fri 4/29/11
133 Update EDGE 1 day Thu 5/5/11 Thu 5/5/11
134 Meet with Hanzlik 1 day Fri 5/6/11 Fri 5/6/11
135 Prepare for ImagineRIT 41 days Mon 3/28/11 Sat 5/7/11
136 Acquire supplies for booth (TV, canopy, etc) 25 days Mon 3/28/11 Fri 4/29/11
137 Obtain and dissect car mufflers 20 days Mon 4/11/11 Thu 4/28/11
138 Make sure registration is okay 3 days Wed 4/20/11 Fri 4/22/11
139 Practice all absorption muffler tests 11 days Mon 4/25/11 Wed 5/4/11
140 Practice with the Resonator Demo 11 days Mon 4/25/11 Wed 5/4/11
141 Examining visual techniques to show noise cancellation 11 days Mon 4/25/11 Wed 5/4/11
142 Update Risk Assessment 11 days Mon 4/25/11 Wed 5/4/11
143 Create Schedule for the day 11 days Mon 4/25/11 Wed 5/4/11
144 Create posters 11 days Mon 4/25/11 Wed 5/4/11
145 Run through presentation with EEs 11 days Mon 4/25/11 Wed 5/4/11
146 Ensure engine/exhaust systems are ready 11 days Mon 4/25/11 Wed 5/4/11
147 Set-up booth (morning day of) 1 day Sat 5/7/11 Sat 5/7/11
148 ImagineRIT fair 1 day Sat 5/7/11 Sat 5/7/11
149 Write Technical Paper 37 days Wed 4/6/11 Fri 5/13/11
150 75% Paper due 1 day Fri 4/29/11 Fri 4/29/11
151 100% Paper due 1 day Fri 5/13/11 Fri 5/13/11
152 Create Project Poster 17 days Wed 4/20/11 Fri 5/6/11
153 Project Review Presentation 7 days Sat 5/7/11 Fri 5/13/11
154 Create Presentation 5 days Sat 5/7/11 Wed 5/11/11
155 Practice Presentation 1 day Thu 5/12/11 Thu 5/12/11
156 Perform Review 1 day Fri 5/13/11 Fri 5/13/11
157 Improve Designs 5 days Mon 5/9/11 Fri 5/13/11
158 Update EDGE 1 day Thu 5/12/11 Thu 5/12/11
159 Meet with Hanzlik 1 day Fri 5/13/11 Fri 5/13/11
160 Update EDGE 1 day Wed 5/18/11 Wed 5/18/11
161 Final Project Review 1 day TBA TBA
162 Create Presentation 5 days
163 Practice Presentation 1 day
164 Perform Review 1 day
165 Final EDGE Update 1 day Fri 5/20/11 Fri 5/20/11
166
167
168
169
170
171
172
173 Rev: H
174
175
March April May
25 1 8 15 22 29 6 13 20 Person
Concrete Date
All Topic
All Task
Julie complete task x
Caroline / All
Chris
All
Julie / Ted
Julie
Chris
Caroline
Julie / Caroline
Chris
Julie
Caroline
Ted
All
All
All
Caroline / Julie
Chris & Julie
All
All
Ted / Julie
Chris / Caroline
Chris / Caroline
Chris / Caroline
Chris, Julie, Caroline, Ted
Chris, Julie, Caroline, Ted
Chris, Julie, Caroline, Ted
All
All
Caroline
Julie
Ted
Chris
Chris
Chris & Julie
Ted
All
All
Julie & Caroline
Caroline
Caroline Concrete Date
Caroline Topic
Task
complete task x
Caroline
Caroline
Caroline
Caroline
Caroline
Caroline
Julie & Chris
Julie
Julie
Julie
Chris
Chris
Chris
Chris
Chris
Chris
Chris
Chris
Chris
Chris
Chris
All Concrete Date
All Topic
x Julie Task
x Julie Completed Task x
x Julie
Julie
All
Caroline
Julie
All
Julie
All
Ted & EE Team
x x x x Ted
Ted
Ted
Ted & EE Team
Chris & Caroline
Ted
x Ted
Ted
All
x x x x x x Caroline
x x x x x x Caroline
x x x x x x Julie
Ted & EE team
x x x x Chris
x x x Chris & Caroline
Ted
x Julie
x All
x Julie
x All
x Julie
x All
x Julie
x All
x Caroline
x Julie
All
Julie
All
All
Julie
Caroline
x Chris
x Caroline
Julie & Chris
Ted
All
Julie
Julie
All
Caroline and Ted
All
All
All
x All
All
All
All
All
All
All
All
Julie
All
Julie
All
all
all
all
Julie
Preliminary 3-week Breakdown Structure
Person Role Week 0->1 Tasks Week 1->2 Tasks
Research internal combustion
Christopher Team Leader /
Become familiar with project. engines and sound generation
Morehouse Mechanical Engineer
sources.
EDGE Manager / Research physics of sound and
Julie Maier Become familiar with project.
Mechanical Engineer measurement options.
Research current sound
Caroline Bills Mechanical Engineer Become familiar with project.
reduction methods.
Ted Zachwieja Mechanical Engineer Become familiar with project. Research physics of sound.
Project Objectives:
1. Investigate the physics of sound generation and transmission.
2. Identify the sources and causes of major noise contributors in an internal combustion engine.
3. Analyze and model the noise generation of an internal combustion engine.
4. Propose design for noise reduction mechanism.
5. Provide sufficient background to EE team for potential active noise cancellation system.
6. Provide noise reduction demonstrator for Spring 2011 Imagine RIT.
Person Role Definition
Christopher Engine noise, system level integration, floater (help
Morehouse where needed)
Mechanical Options for Noise Reduction, Sound experts,
Julie Maier
Sound, EDGE documentation
Mechanical Options for Noise Reduction, sound
Caroline Bills
measurement and recording
Anti-phase Noise cancellation option - design &
Ted Zachwieja
package/layout, report for EE team, what EE team needs
Week 2->3 Tasks
Create one page summary. Help define
customer needs and engineering specs.
Review all documentation before Friday
meeting.
Create plan and preliminary WBS. Help
define customer needs and engineering specs.
Help define customer needs and engineering
specs. Put them into a logical format.
Compile risk list.
Help define customer needs and engineering
specs. Start work on team norms and values.
Create presentation for Friday.
Design 1: CC
Design 2: 1 to 3 to 1 bulb (131)
Design 3: SIN
IT inner tube / OT outer tube / CC concentric cylinders / SIN sin wave / 131 bulbous
Absorption muffler plan
Buy 1" ID, 12" long, 16-22 gage, steel pipe for CC All ITs: 40-60%
Buy 1" ID, 12" long, 16-22 gage, steel pipe for SIN
Buy perforated steel sheet for 131, 16-22 gage 131: 12" x 3pi" max + screw ups and excess = 12"x10" + excess =
15"x15"
Buy rock wool
Buy steel wool - 3 weights
Steal fiberglass from Formula team - try different packing densities
Total: 12 x #REF!
For ends CC: D 5" with 1" center hole 5 x 5"
SIN: D 6" with 1" center hole 6 x 6"
131: D 7" with 1" center hole 7 x 7"
Bend the SIN IT into desired shape
Cut and weld the two 131 IT halves
Cut the three OTs, end caps, flange flat sections, and flange pipe sections
Weld flanges
Weld together OTs, end caps, ITs, and flanges
Run sound tests on all shapes vs all materials and densities
Determine which designs will be displayed at IRIT
Run through all tests as they will be at IRIT
Concrete Date
Topic
Task
x
complete task
Risks -Absorption Prevent If it happens
Cannot buy materials needed. Change budget
Create comprehensive BoM anddesigns. before ordering parts.
Run out of money. Change budget before ordering parts.
Create comprehensive BoM anddesigns/reduce number of designs.
Cannot bend the inner tube for design 3. Change design.
Discuss design with shop prior to work order.
Cannot build the inner tube for design 2. Change to work
Discuss designs with shop prior design. order.
Cannot weld together parts correctly. Change designs.
Discuss designs with welders prior to work order.
None of the mufflers work. Explain why.
Materials/mufflers are destroyed/ruined during testing. Buy excess material. Buy more material.
WE HAVE to guess which muffler is going to work best. Why?
WE HAVE to order/make a back pressure level meter.
make separate tab for MSD 2
and excess = 12"x10" + excess =
#REF! #REF!
19.63 25
28.27 36
38.48 49
esigns/reduce number of designs.