Big Bertha Bucket Engineering Fundamentals Final Project.

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Big Bertha Big Bertha Bucket Bucket Engineering Fundamentals Final Project

Transcript of Big Bertha Bucket Engineering Fundamentals Final Project.

Page 1: Big Bertha Bucket Engineering Fundamentals Final Project.

Big Bertha BucketBig Bertha Bucket

Engineering Fundamentals Final Project

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Project; Big Bertha

Project Description

• Design and build a Rube-Goldberg device that will perform a simple task of your choosing. The device should perform this task in three or more distinct steps. Each step should demonstrate an energy conversion process which can be analyzed.

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Group Members

• Will Bunge

• Torry Milam

• Malcolm Rawls

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Big Bertha Bucket

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Overview of Project Big Bertha Bucket

Purpose of Device

To easily load a bucket of sand/gravel at a rate which has been previously calculated for the

ease loading a measured amount.

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Drafting of Big Bertha

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Demonstration

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Summary of Energy Conversions

Energy Conversion #1

Weight of Hot wheels Porsche = .33354 N = W

Angle of Decline = 21 degrees = X

F of car = W/(sin X)

F = .931 N

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Energy Conversion #2

Force of Porsche = .931 N

Tension of String = .931 N

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Energy Conversion #3

Mouse trap

F=kx F= 5 N x= 9 cm

k= .555N/cm

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Energy Conversion #4

F of Mousetrap = 5 N

Force to open shutter = 5 N

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Flow Rate of Sand

V=h(pi)r^6

h= 34 cm

r= 3.81 cm

V= 1550 cm^3

t= 5 seconds

Therefore rate = 310 cm^3/ second

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Conclusion

Now that we know the rate of flow of sand, we may place the bucket under the valve

for a specific amount of time and know the approximate volume of sand/gravel in the

bucket.