Post Midterm Presentation for Portable Hockey Goal

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Post Midterm PresentationforPortable Hockey
Goal

• February 18, 2004
• W.A.R.
• Andrew Clarke Sean Moseley
• Tyler Lowe Adam Waddle
• Nick Maser Davison Wilson
• ME 4182-C
• Professor Harvey Lipkin

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Agenda

• Class suggestions/comments
• Solutions
• Revised Design

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Hinges/Locking Mechanisms

• Suggestions/Comments
• Locking mechanisms on the hinges
• Second central back post that two cross bar
  members slide down
• Solutions
• Hinges are in development
• Springs will provide more support
• Snap mechanism to secure cross bar

4
The Net

• Suggestions/Comments
• Net attachment/detachable net
• Net tangling when goal opens
• Net tangling when goal is stored with other
  objects
• Net material
• Solutions
• Use Velcro, snaps, elastic bands to attach net
• Caps on the poles to allow net to slide past them
• Goal with come with a canvas-like storage bag
• Nylon netting with heavy strip for the goal
  backstop

5
Material of Construction

• Suggestions/Comments
• Metal tubing bending, denting, weight
• PVC deflection, fracture
• Foam filled PVC
• Solutions
• Test foamed filled PVC
• Aluminum, steel, PVC, copper will be evaluated
  during the engineering analysis
• Plastic hinges

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Collapsed Size

• Suggestions/Comments
• Dimensions of the collapsed size
• Possibility of folding 4 ft. dimension again to
  reduce size to 2 ft.
• Solutions
• Collapsed dimensions will be 4 ft. long and 1
  ft. in diameter

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Spring Mechanisms

• Suggestions/Comments
• Spring strength to open the goal
• Difficulty closing the goal
• Spring and damper to create slow, smooth opening
• Solutions
• Springs will be designed with proper strength to
  allow goal to open and close with ease

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Price

• Suggestions/Comments
• Is the price comparable to the 60 second goal?
• Large number of parts could make the goal
  expensive
• Solutions
• 60 second goal - 150
• Carrying bag w/o wheels - 30
• Cost of goal will be comparable to 60 second goal

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Top Shelf

• Suggestions/Comments
• Typical hockey goals have a top shelf
• Solutions
• Only official requirement for a hockey goal is
  the front face dimensions
• Our goal will NOT have a top shelf

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Revised Design
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Revised Design