Transcript P

The Hamburger
Team members: Ted Kocak, Will Bullock, Ben Wing
Engineering Fundamentals: Section F2
Teaching Assistant: Shane
December 2nd, 2008
Construction
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Decided to use plastic tubing and make loops
Wanted to avoid using nails to keep the wood from
splintering
Peg board would be the easy means of fixing the
tubing in a consistent shape without using screws
Agreed ball spiraling down funnel would be
interesting and take up time
Use hinges to let the box swing up and utilize more
height and maintain a level of consistency
Roller Coaster
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It starts out as a plastic
tubing with a pretzel
loop
Next the ball goes
though a series of PVC
ramps
The ramps spit the ball
out into a funnel
The ball spirals down
the funnel
The Ball goes into a
spiral of plastic tubing
Energy Stored
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Potential Energy = Mass * Acceleration Due To
Gravity * Height
(0.02835 kilograms) * (9.81 Meters Per Second Per
Second) * (0.8509 Meters) = .237 Joules
The starting potential energy is .237 Joules
Energy is lost due to friction and collisions on the
PVC step downs
Conclusions
The funnel is too variable
 Peg board is very useful
 15 seconds is a very long time
 The easiest way to eat up time is to
go down in a spiral with a slight
incline and not build up too much
speed
 Zip ties are easy to use and
inexpensive
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