P17046: The Overcomer - Lower Extremity
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Detailed Design

Table of Contents

Team Vision for Detailed Design Phase

Bringing sports to a wider audience through user friendly design.

Goals for Phase:

Progress Report

Completed Tasks:

Updated Documents

Engineering Specs

Prototyping, Engineering Analysis, Simulation

Spring Selection

Spring Selection

Gear Selection

Gear Selection

Inputs
Target Velocity 30 MPH
Radius of Soccer Ball 4.325 in
Mass of Soccer Ball 430 g
Initial Spring Length 7 in
Final Spring Length 12 in
Factor of Safety 1.15
Purchased Spring Constant 22.00
Purchased Motor Torque 600 oz-in
Purchased Motor Speed 44 RPM
Diameter of Motor Shaft Gear 1 in
Results
Spring Energy 47.54 ft-lbs
Minimum Spring Constant 22.82 lbf/in
Max Spring Load with SF 131.2 lbs
Middle Gear Diameter 2.93 in
Rack and Pinion Gear Diameter 2.12 in
Gear Ratio 2.12
Output Speed 20.75 RPM

Selected Spring

Selected Motor

Matlab Code

Feasibility Analysis

Drawings & Schematics

Bowling
Bowling Assembly Isometric

Bowling Assembly Isometric

Bowling Assembly Screw Detail

Bowling Assembly Screw Detail

Bowling Assembly Screw Detail

Bowling Assembly Screw Detail

Bowling Assembly Side View

Bowling Assembly Side View

Bowling Assembly Side View

Bowling Assembly Side View

Bowling Assembly Component List

Bowling Assembly Component List

User Interface - Soccer

Interface Assembly Isometric View

Interface Assembly Isometric View

Interface Assembly Panel View

Interface Assembly Panel View

Interface Assembly Back Isometric View

Interface Assembly Back Isometric View

Interface Assembly Back Isometric View

Interface Assembly Back Isometric View

Interface Assembly Component List

Interface Assembly Component List

Soccer

Isometric View

Isometric View

Isometric View with Transparent Top

Isometric View with Transparent Top

Top View

Top View

Back View

Back View

Wiring Diagram

Wiring Diagram

Mounting Frame

Isometric View

Isometric View

Combined Assembly Isometric View

Combined Assembly Isometric View

Bill of Material (BOM)

 Bill of Materials

Bill of Materials

 Cost Totals

Cost Totals

Bill of Materials

User Interface - Stock Parts Drawings

Bowling - Stock Parts Drawings

Soccer - Stock Parts Drawings

Test Plans

Our test plans are currently very rough due to unknowns in approval from the IRB, testing facility capabilities and support as well as final prototype design and concerns. However an outline of anticipated testing activities can be found below.

Testing Plan

Design and Flowcharts

Information Flow Chart

Information Flow Chart

Flow Chart

Risk Assessment

New and Updated Risks

New and Updated Risks

Phase 4 Risks

Design Review Materials

Design Review Documents

Planning

Current Phase

Next Phase

MSD II Phase I Plan

MSD II Phase I Plan


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