Cornhole Game – Spring 2016,ENGR 101 Final Project – Hamrick


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Cornhole Game – Spring 2016,ENGR 101 Final Project – Hamrick

Cornhole is a fun game played at tailgates, but it’s usually a multi-player game.  There is little or no practice opportunity or single player options.  In order to create a single player option, you are asked to create a model of a launcher that would allow a single player to compete against a calibrated launcher.

OBJECTIVE OF PROJECT

The objective of this project is to design and build launcher for a commercially available game. The launcher must be tested and calibrated with a target built or procured by the team.  The launcher must be designed to toss from 2 distances (adult and child throw lines).  As part of the evaluation of the design, teams must conduct a comprehensive calibration of their launcher and show their result/findings in Excel spreadsheet similar to those covered in class. A sketch or drawing of some part of the design is also required.

RULES OF THE PROJECT

  1. The model must be safe in its construction and use, and may not create a mess.
  2. There are no limits as to the materials that can be used, however, material costs cannot exceed $40. All materials must be supplied by the group.
  3. Energy sources for the projectile shooter may be springs, elastic, or potential energy. Ignition and compressed air are not permitted. The shooter may be any mechanical device that “throws” the projectile.  (ie slingshot, catapult, crossbow). It must be designed to launch the projectile from 2 distances from the target (launch distances must differ by a minimum of    18 inches). It must be something that can be set or pulled to a line, stop, or setting. A freely held shooter is not permitted.
  4. Analysis must include a table of angle and/or force settings based on height and distance of the desired target using projectile motion equations. Launcher calibration results (actual versus theoretical) must be incorporated into an Excel spreadsheet. This analysis must appear on both your tech report and poster in the form a graphs and/or tables.
  5. The projectile must be a soft object such as stuffed animal, hacky sack, bean bag or pillow. Maximum weight of the projectile is 6 oz. Hard or sharp objects that would harm a person are strictly prohibited. Multiple weights and sizes are permissible.
  6. The model is intended to be a table-top scale model for demonstration purposes, not a full size game. It should fit on a 32 x 60 inch table top. A “target” must also be provided as part of the model as well as the launcher.

GRADING AND EVALUATION 

Your grade for the project is based on a combination of your design, how well you do in the demonstration and poster presentation, the final technical report. The handling of planning and control of the project during design and construction will be graded separately as homework.  For full credit:

  • Your model must adhere to the rules.  The model must be professional looking, well planned and well executed.  (40%)
  • Create a technical poster and elevator pitch based on the guidelines from this course.  It should neat, well organized, and informative, and your poster presentation should be professional.  (20%)
  • Generate a formal technical report using the guidelines from this course. It should explain the design and function of your model, how it was conceived, designed, and executed, and include the required analysis.    (40%)

Poster Presentations will be conducted Monday, April 25 in the ESB, 5-9 pm

DELIVERABLES – Note that the weekly submission requirements change:

I will not collect meeting minutes for this project, but expect you to keep them for each meeting. I may ask you to show them to me at any time. All team members should have copies. You should use the 5-step design process discussed in class, and it should be reflected in your weekly summaries.  Each of these is a one-per-team assignment except as noted.

Mar 16 Team charter, Gantt chart, executive summary of your planned approach.  This should include your team’s plan to tackle the problem (when to meet, how to assess designs, etc), not a design. Hard copies.

Mar 30 Executive summary progress report and updated Gantt chart. Include proof of concept designs and/or analysis of at least TWO possible designs to complete the project. (hard copy)

April 6  Executive summary progress report and updated Gantt chart. Individual Assignment: Include a draft of the Background section of the tech report that includes the theory behind how your design works. You must include at least two relevant sources.  This is an individual assignment, so each team member must provide his or her own version, and the team should not have all of the same sources. (hard copy)

April 13 Executive summary progress report and updated Gantt chart. Include a draft of the Introduction, Problem Statement, and Objective of the tech report.  (hard copy)

April 20: Create and be able to show a first draft of your poster. Show the required orthographic projection and isometric or oblique drawing that you intend to use in your tech report. See the Tech report requirement below.

April 25 in the ESB, 5-9 pm: Poster and model presentations.  Exact times for your team to be there will be determined before the date. This is a required event, for which you will get no credit if you are not there. If you have a time conflict, you must make prior arrangements with me. 

Apr 27: Technical report. Hard copy in class AND one team member must upload to ecampus.  The technical report must include all of the analysis, and it must include at least one orthographic projection and either oblique or isometric drawing of a part from your design. The Background section must include at least five properly cited sources, and should be a re-written version of all of the team’s individual work. It must not be one after the other of the individual assignments, but must be combined into one cohesive section. All students should plan to come to class that day.  That will be our last class meeting, as there is no written final for this class.

 

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