Rube Goldberg Machine Northern Arizona University June 28, 2018 - - PowerPoint PPT Presentation

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Rube Goldberg Machine Northern Arizona University June 28, 2018 Abdulla Almutairi, Fehaid Al-marri, Hamad Al-marri, Naser Ahmad, Mohammed Abu karbal, Yousef Ahmad 2018 Topic 1: Project Description The objective is to create a series of

SLIDE 1

Rube Goldberg Machine

Northern Arizona University June 28, 2018

Abdulla Almutairi, Fehaid Al-marri, Hamad Al-marri, Naser Ahmad, Mohammed Abu karbal, Yousef Ahmad

2018

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Topic 1: Project Description

▶ The objective is to create a series of Rube Goldberg steps that are efficient, reliable, and resettable. ▶ The last step is unidentified until next semester. ▶ To accomplish the goal, the steps should involve engineering aspects. ▶ Focused ideas: Spring, Fluid, Heat, Gears, Aerodynamics, Sensors ▶ There is need to make a prototype for the considered steps by the end of the semester. Naser Ahmad

2 7/12/2018

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Sponsors and significance of the project

▶ The sponsors of the project are Dr. Trevas and the NAU.

▶ Final design should satisfy the needs of the clients. ▶ The Rube Goldberg machine will be used to teach future

students various engineering aspects.

▶ It will be used as a form of brainstorming and leisure

project.

▶ It will mix creativity into Engineering. Naser Ahmad

3 7/12/2018

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Black box Model

Naser Ahmad

4 7/12/2018

Figure.1

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Detailed Decomposition Model

Naser Ahmad

5 7/12/2018

Figure.2

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Topic 2:Designs Considered

Naser Ahmad

6 7/12/2018

Advantages: Resettable, Safety, Reliable Disadvantages: Durability may fail,may not be precise on time Advantages: Safety, Reliable, not expensive Disadvantages: Launching the ball may not be precise, not resettable

Figure.4 Figure.3

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Continued Designs Considered

Yousef Ahmad

7 7/12/2018

Advantages: Resettable, Safety, Reliable, Fun to watch Disadvantages: Timing to pump the water, need a reliable object to pump the water Advantages: Safety, Reliable, Fun to watch, Ressetable. Disadvantages: Energy may fade fast.

Figure.5 Figure.6

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Continued Designs Considered

Mohammad Abu Karbal

8 7/12/2018

Advantages: Restable, Reliable and cost effective Disadvantages: simple and might be not entertaining. Advantages: Entertaining, has a good timing to finish the step. Disadvantages: depends on a fluid source to process, cost intensive.

Figure.7 Figure.8

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Continued Designs Considered

Abdullah Almutairi

9 7/12/2018

Advantages: Creative, Entertaining, attracts audience Disadvantages: The light might delay turning on. Advantages: Entertaining way to end, interesting to watch Disadvantages: Full LED screen might not switch on fully

Figure.9 Figure.10

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Continued Designs Considered

Fehaid Almarri

10 7/12/2018

Advantages: Cost effective. Disadvantages: Takes time to process, not resettable Advantages: Fun factor, cost effective Disadvantages: Takes time to process, not resettable

Figure.11 Figure.12

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Continued Designs Considered

Hamad Almarri

11 7/12/2018

Advantages: safety, it has cheap material Disadvantages: Not resettable Advantages: Safety, different materials makes it fun to watch Disadvantages: Not resettable

Figure.13 Figure.14

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Topic 3:Design Selected

Fehaid Almarri

12 7/12/2018

ER’s:

Engineering requirements Target values Number of steps 20-75 Process duration Less than 2 minutes Size 10 ft x 10 ft Speed & Sound Not loud or harmful to others/ Moderate speed to enjoy Reset time 8 minutes

Table.1

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Decision Matrix

Mohammed Abu karbal

13 7/12/2018

Key:

Table.2

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Continue Decision Matrix

Fehaid Almarri

14 7/12/2018

Table.4

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Continue Decision Matrix

Fehaid Almarri

15 7/12/2018

Table.5

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Continue Decision Matrix

Abdullah Almutairi

16 7/12/2018

Table.6

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Continue Decision Matrix

Fehaid Almarri

17 7/12/2018

Table.7

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Continue Decision Matrix

Abdullah Almutairi

18 7/12/2018

Table.8

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Continue Decision Matrix

Abdullah Almutairi

19 7/12/2018

Table.9

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Pugh Chart

Mohammad Abu Karbal

20 7/12/2018

Table.10

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Pugh Chart cont.

Mohammad Abu Karbal

21 7/12/2018

Table.11

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Topic 4: Schedule

▪ We are currently on schedule

Yousef Ahmad

22 7/12/2018

Figure.15

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Budget

Yousef Ahmad

23 7/12/2018

Available budget $500
Anticipated expenses $210.57
Other Materials refer to

unexpected materials or any

ther object that wasn't

planned on being used.

Table.12

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