Ruby Goldberg Machine - Improvements/Ideas

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SUMMARY

The discussion focuses on creating a Rube Goldberg Machine with the specific goal of washing a Hot Wheels car. The proposed ideas include using a sprayer activated by a fan-driven rubber band mechanism and a pulley system to draw water from a container. The participant seeks feedback on their initial concepts and a structured plan to develop the project further. The discussion highlights the importance of collaboration and constructive feedback in project development.

PREREQUISITES
  • Understanding of basic mechanical principles, such as levers and pulleys.
  • Familiarity with Rube Goldberg Machine concepts and designs.
  • Knowledge of simple machines and their functions.
  • Basic skills in project planning and execution.
NEXT STEPS
  • Research various Rube Goldberg Machine designs and mechanisms.
  • Explore the principles of mechanical advantage in pulleys and levers.
  • Learn about the physics of motion and forces involved in project execution.
  • Develop a step-by-step project plan outlining each component of the machine.
USEFUL FOR

This discussion is beneficial for students, educators, and hobbyists interested in engineering, physics, and creative problem-solving through Rube Goldberg Machines.

ChromoZoneX
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Hey there,

We have a project to make a Ruby Goldberg Machine due in a month.
Due to the complexity of the project we have started early. This would be my first time making something like this and I need help connecting and improving my ideas.

The objective we have decided upon is to give a Hot Wheels car a car wash. My ideas are as follows,
1. Having sprayer spray water on a book so it drops on something
The sprayer will be connected to a rubber band which will be pulled by the force of air from a fan.

Another objective I had in mind was to draw water from a container.

The Idea - Have a pulley and string. One attached to a string that is fixed to a small bucket submerged in water. Two see-saw like devices are assembled so that when a weight falls on one of them, the bucket is raised.

What i need is my start and about 10 steps...I have already started thinking but would like to know your viewpoints too.

A grade 11 student.
 
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My only advice is to at least get the guy's name right.
 
phinds said:
My only advice is to at least get the guy's name right.

I.E.

It's http://en.wikipedia.org/wiki/Rube_Goldberg" .
 
Last edited by a moderator:
anything more constructive?
 
I had to go on Wikipedia to understand what a Rube Goldberg project is.
Now, everything is done in the company where I work seems a Rube Goldberg machine.
 
The book claims the answer is that all the magnitudes are the same because "the gravitational force on the penguin is the same". I'm having trouble understanding this. I thought the buoyant force was equal to the weight of the fluid displaced. Weight depends on mass which depends on density. Therefore, due to the differing densities the buoyant force will be different in each case? Is this incorrect?

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