Catapult ProjectCatapult Project

By: Nicole WorytkoBy: Nicole WorytkoAvani PatelAvani Patel

Brian ProhaskaBrian ProhaskaKyle HughesKyle Hughes

AgendaAgenda

1. Team Development 9. Select Approach

2. Problem Statement 10. Design Proposal

3. Background/Justification 11. Prototype

4. Scope 12. Test and Monitor

5. Brainstorming 13. Refine

6. Research and Generate Ideas 14. Lessons Learned

7. Criteria and Constraints 15. Summary

8. Explore Possibilities

RolesRoles• Leader: Brian Prohaska

• Scribes: Avani Patel & Nicole Worytko

• Time Keeper: Kyle Hughes

ConstitutionConstitution

– Stay Focused

– Respect others

– Be open to new ideas

– No idea is a bad idea

– Listen to others while they are talking

TimelineTimelinePlan Date Act. Date Responsibility Task

Start Comp Start Comp

03/29 03/29 03/29 03/31 Team Brainstorming

04/02 04/02 04/12 04/12 Avani Explore Possibilities

04/05 04/05 04/13 04/14 Team Select Approach

04/06 04/14 04/12 04/19 Brian/Kyle CAD Drawings

04/16 04/26 05/01 05/15 Team Build Catapult

04/29 05/04 05/17 05/18 Team Test & Monitor

05/05 05/07 05/18 05/18 Team Refine

03/18 05/14 03/18 05/20 Avani/Nicole Tech Report

04/01 05/14 04/20 05/17 Nicole/Avani PowerPoint

05/19 05/20 05/19 05/20 Team Review

Problem StatementProblem Statement

Our group is working for Middle Ages military manufacturer in Europe. Have been asked to design catapult that will throw tennis balls further than any

other. For King’s safety, catapult will be operated from distance of at least four feet.

BackgroundBackground

– Occurring in Middle Ages (1450 A.D.)– In Europe– Military manufacturer– Assigned by King– Needs to throw tennis ball at least 30 ft.– Operate from at least four ft.

CustomersCustomers

• Mr. Pritchard

• King

ScopeScope

– Design, build and test a catapult

– Deliverables:Final reportPower PointCatapult

– Resources: Mr. Pritchard, Internet, and Parents of members

(Cont.)(Cont.)

- Materials:

• Wood

• Screws

• Bungee cord

• Screw with hook

• Tennis ball

• Metal and Wood Rod

Deliverables Deliverables

• Technical Report

• Power Point

• Catapult

BrainstormingBrainstorming

- Catapult’s function

- Catapult types

- Wood types

- Base types

Research and Generate IdeasResearch and Generate Ideas

• Function- Used during attacks - Flung giant boulders at enemies

• Types- Trebuchet (deals with balance)- Onager (uses wire/tension to fire arm)

(Cont.)(Cont.)

• Wood Types- Whitewood, oak, pine, birch and maple

• Base Types - Hollow square base- Full base- A triangle base

Criteria and ConstraintsCriteria and Constraints

- Throw from 4 ft.

- Throw at least 30 ft.

- Can’t be taller than 24”

- Base can’t be more than 24 x 24”

- User safety

Nicole’s SolutionNicole’s Solution

Pros+ Cons-

+ Trajectory angle drawn+ Dimensioned+ Parts describe what they do+ Scale drawn

- Hard to follow- Hard to build