Cobb GoblinsOvenly Inferno

Liam Gunst, Sara Newell, Claire Noonan, Evan Rehn

ENGR 215 Fall 2012

Overview

• Objective

• Project Criteria

• Final Design: Location and Specifications

• Cost: Design Hours, Implementation, Operation &

Maintenance

• Conclusion: Results

Objective

Low embedded energy, natural, beautiful way to cook pizza

Drawing by Sara Newell

Criteria

Safety

Construction Time

Effectiveness

Durability

Usability

SustainabilityAesthetics

Student InvolvementCost

Final DesignOverview of Site

SW corner of school

Parking lot substructure

Photos by Liam Gunst

Final Design

Thermal Layer

Sand Form

Photos by Sara Newell

Final Design

Additional Elements Countertop Wood Storage Chimney Door

Drawing by Sara Newell

3 40

19

21149

232 Total Hours

Phase I: Problem Formulation

Phase II: Problem Analysis & Liter-ature Review

Phase III: Alterna-tive Solutions

Phase IV: Decision Phase

Phase V: Decision, Specifications, and Construction

Implementation Costs & Design Time

Operation & Maintenance

• Oven usage: Once a week, 25 weeks a year 1 cubic foot of wood to

preheat the oven $0 to $150 annually

depending upon on wood price and quantity

• Plastering: Re-plaster every 5 years and patch as needed $70

• Total estimated annual cost $14 to $164, depends on

usage and source of fuel

http://www.flickr.com/photos/thedesertecho/7170079606/

http://www.geocities.ws/mosesrocket/page4.html

http://www.howtobaker.com/recipes/project-food-blog-challenge-1/

ConclusionResults Student involvement Sustainability: utilized reclaimed and

local materials Effectiveness• Heat up time: 2 hours• Cooking rate: 3 minutes per pizza

www.appropedia.org/Laurel_Tree_Ovenly_Inferno

http://www.laureltreelc.org/

Thank You For Your SupportBecca Schuler and her Physics class

Brenda SutterMalila & Sierra

Kimberli HudsonKiko DenzerJames Muir

G.R. Sunderson, Inc.Primary Benchspiration

Lonny Grafman