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To determine our final design choice, we started by drawing concepts we had in mind. We created a total of six sketches as a group, of which, we chose our top three sketches through a decision matrix and analysis. Moving forward, we created another matrix to create a sketch of our final design that will be including all the good components we saw from each concept. Then, we created a model in Fusion 360 and scaled it appropriately to fit the materials we plan to use.
The images above document three sketches that we found to be the most effective.
Sketch 1 illustrates a device that would be placed on top of a standard gas stove top. Through the use of motorized platforms, tortillas can be flipped over without any human interaction. Motors would rotate to lift the grate, push down the grate, then push out another grate. In this design there are some issues, a device that is fitted above a stove top seems useful, but this design isn't practical, especially when taking into consideration that this device would take up a forth of the stove top including some of the counter. (assuming that a standard model stove top is used).
Sketch 2 is what ultimately came to be our final design. It is similar to sketch 1 but instead uses nichrome plates as the main heat source which is safer and more practical as it can be plugged in anywhere as opposed to being placed on a stove top.
Sketch 3 is a system the would flip the tortilla effectively, without needing to include another heating plate. Instead only one is needed in this design. The design is similar to the 2nd sketch but has to be moved manually on the rails instead of the system moving it. This could prove itself to be unsafe and may increase the risk of the user getting a burn.
Design Matrix
Design Matrix
Lastly, our final design was mostly based off of sketch 5 but includes some components that can be seen in other sketches. The final design includes the rotating system that is in sketch 5. In addition, it also includes the solution of being able to get the tortilla out without asstance, instead by sliding out in a similar way like sketch 6. Like in sketch 1, the final design will also be designed in a way that includes a system that will put the tortilla onto the heating mechanism without help to increase the safety of the design.
Final Design
Final Design
Final Design sketch
Final Design Model
Please try to read through our build plan.👇
Build Plan DraftAnticipated Difficulties
Some problems we may encounter may be repurposing the toaster and ensuring that it would be safe to plug in and have the aluminum tray hover above without setting fire. The heating mechanisms of the toaster may prove to be very unsafe. We also want to consider how we will be working around the problems that may come from repurposing a toaster. We also will need to program and wire the circuit for the mechanism itself, though this is the least of our concerns at least for now.
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