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Test and Evaluate

-Change height of rack and pinion

-Add 1 rack gear

-add a nut to widen Cam

-add stoppers near end of rack

-Add Cam & Follower

Improve Design

Choose the Best Idea

We took the best elements of all of our ideas and put them into one project.

-We added 1 rack to the rack and pinion

-We lowered the rack and pinion

-We added one nut to widen the Crank and Slider

-We added stoppers at the end of the rack so it doesn't go off

Define the Problem

Model/Prototype

This is a picture of our prototype before the changes were made.

Make three mechanisms that are able to pump water, grind grain, and cut wood. All three must be on 10 by 10 by 10 platform and have one input.

Brainstorming

Develop Ideas

How to pump water

(Crank and Slider)

Criteria

Criteria

Research

Must all be connected to one input

Only have one input.

One machine to perform all three tasks.

No larger than 10x10x10

.

Aaron Schulist

Ethan Wooster

Josie Lindstedt

Different mechanism for each device.

This is another mechanism that performs the same 3 tasks

How to grind the grain

(Simple gear train with idler)

Three mechanisms must preform all three tasks

This is a picture of a water pump, we tried using this idea but used a Cam instead

Constraints

How to cut the wood

(Rack and Pinion)

Limited material

5 days of construction

Needs to move all at once

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