the POSse- MW 10:30

 

Team Members:

Rubin, Steven, Nick, Jacob

We will build a stage with a curtain that raises to reveal two dancing pieces of poo, based on Rubin’s Foam Away project. The curtain and the “dancers” will be run by motors.

Engineering Design process

  • Need: To tell a story about a piece of poo named Ford, who falls in love with Miley Cyrus
  • End product need to be inexpensive, presentable, and appeal to the audience
  • Curtain opens and poo spins(dances), possibly lights
  • “dancers” will be operated by a motor on each dancer. The curtain will be raised by a separate motor which will be slowed by a gear.

The function of our product will be to entertain the audience with a fun show.

Our product will be able spin the dancers at a variable speed; between 1 revolution per second and 4 revolutions per second. The dancers will be slowed down by using a single AAA battery per dancer. The curtain will rise, revealing the dancers. The curtain will be raised with a motor at 1 ft/second. The motor for the curtain will be slowed by using a single AAA battery, rather than the provided 9V. The stock motor can spin at up to 6600 RPM with 12V, we will slow it down by using a single 1.5V AAA battery, slowing it to approximately 825 RPM, but the motor will have about 3-5 oz of foam or cloth attached to it, giving us the correct speed.

Materials:

  • We will need foam to build the dancers
  • 12″ of 5/8″ PVC pipe
  • 1/2″ Wooden dowel rods 12″ long
  • stacked foam for the stage; foam will be layered to build the base of the stage. 4 layers of .17″ blue foam for the base. 
  • 1ft^2 of cloth for the curtain
  • 3 DC Motors
  • 3 AAA batteries
  • 2 Speed controls

Most of the materials will be supplied materials or very cheap, we want to keep our cost to less than $10 per person.

Our stage will be less than 1ft by 1ft by 1ft, including all electronics and motors.

We will need 1 AAA battery per motor.

Our product, due to its simplicity, will be very reliable.

01
ryekennedy
September 23rd, 2013 9:22 am

Dear POSse,
I love a good challenge… making poo presentable.

-How fast is the dancer spinning? revolutions/min, radians/sec ??
-How heavy is the curtain? grams, kilograms, pounds, slugs?
-How bright are the lights? lumens, candle power??

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