Friday, March 25, 2011

eLearning Lesson 1 by Daniel Chan (07)

A Correction Tape uses gears to move tape.
A clock contains gears to move the 2 hands.
A bicycle uses gears and linkages to move wheels.

Problem:Standing Fan in house hard to turn
Solution:Turn bottom part of center stand in to a gear.Add flexible thin flaps at the same height.Upper part of fan can turn,but requires some force.The fan will also not turn loosely due to flaps in between gear teeth.

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