Current SpecialistsConor Ritz, Nic Sabo, Arrow

Walker, Brian Weekly

Onderdonk’s Box

Engineering 215 Fall 2012

Purpose

Design and implement an apparatus that teaches series versus parallel

wiring.

Incorporate mystery within the apparatus.

Designed for use by students grade 7-12.

Criteria Weight

Safety 10

Fixable 8

Durability 7

Educational Value 7

Mystery 7

Cost 2

Description of Final Design

Onderdonk

How Criteria Was Met

Safety - Low Voltage, Low Current, Low Risk

Fixability – Inexpensive Components, Easy Access, Simple

Durability - Polycarbonate, Plywood, Protective Coating

Educational Value - Versatile, Lessons Evolve, Small Learning Curve

Mystery - Slider, Adaptable

Cost - Project cost $$$

CostsItemized Cost of

Materials

Material Quantity Cost

Spray paint 2 $12.38

E10 Lamp Base 4 $8.60

#13 miniature bulb 6 $2.34

#407 miniature bulb 6 $2.64

Alligator Clips 20 $6.78

Polycarbonate (12”x18”) 1 Donated

Wood Glue 1 Donated

½ inch plywood (4’x8’) 1 Donated

Copper Terminals 14 Donated

Shipping - $13.40

  Total $46.14

Annual Maintenance

Item Maintenance Cost

Light Bulbs $4.98

Batteries $3.99

Total $8.97

Hours Spent On Project

Phase 1 Problem FormulationPhase 2 Literature ReviewPhase 3 Alternative SolutionsPhase 4 DecisionPhase 5 Specification

8

40

26

33

58

Summary

Contracted

Designed

Built

Implemented