Problem Statment

Design a cart that is safe, resilient, low-cost, low-weight, and user-friendly. The cart will be resilient by being strong and durable that can perform in multiple environments, extreme temperatures, absorbs impact and safely clears the ground. It will be user friendly by having free spinning wheels and will have a safe and efficient way to slow down and stop the cart. It will be light weight enough to be easily lifted, transported and collapsible. It will be safe enough for the riders, the dogs, and the bystanders. It will be single operant and be able to hold 2 average-weight people while being able to travel at speeds up to 30 mph.

Wednesday, March 27, 2013

Finalizing the Design

The team set limits for components in order to prepare for narrowing the options of components in an attempt to finalize the design. Below is what the team established:


=


where,

  1. Tires
  2. Length of frame
  3. Double barrel lever disk brakes
  4. Height of frame
  5. Steering
  6. Suspension 
  7. Digger brake
  8. Hitch
The Decisions that were made were made the week of the (3/18/13) were:
  • Tires
    • Buy
    • Size: 12-16 inches (in diameter)
  • Frame (length & height)
    • Build frame
    • 6ft. x 3.5ft. x 3ft.(L x W x H) in approximation
  • Brakes
    • Buy
    • Double barrel lever (disk brakes)
    • On all four wheels
  • Steering
    • Make handlebars
    • Buy handlebar grips
    • Front steering
  • Suspension
    • Buying
    • Front suspension
  • Digger Brake
    • Make
  • Hitch
    • Make
    • Hook to carabiner
To be determine in the Following weeks:
With certain areas of the design still in a grey area, the team will work together to fully complete the design by establishing how the suspension will work together with the steering. The steering will also be looking into, currently the idea is to create a four-bar linkage that connect from the back to the front, in order to steer from the back. Finally the team will also finalize whether the cart will have both front and back suspension or just front suspension.

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