Need some help!! ( pulley's - block and tackle) (1 Viewer)

soul_VL

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Jun 13, 2005
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syd
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2006
hey guys,
well im underway with the MDP( design and technology) project.
i just need some help
im making a motocycle lift using a bottle jack ,pulleys and cable.
my question is how do i multiply the lift?
like using a triple pulley system to get 6 times the lift..


for example

100mm force = 600mm distance? by using triple pulleys
or
100mm force= 400mm distance...by using double pulleys...

since i cant explain it, here is an illustration to help..
would it work... any help or guidance would be super! :)
 

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