Ships & Wrecks

Pulling up a heavy weight

Man pulling rope   

Task

How can you make it easier to haul a heavy weight up a cliff face?

Make a rigid structure to support a hauling device.

Is it necessary to have the structure overhanging the cliff face?

Can gears be used in some way to reduce the effort?

Lifting Objects up a Vertical Face

Straight forward pulling
Pulling with single pulley or fly wheel
Turning a crank handle onto a drum or reel
Using gears
Make a frame to support a winch

Resources

Dowelling in various lengths and thicknesses

Different sizes cogs

Rope

Cord

Ties for binding

Paper rolling machine

Miscellaneous wood pieces as weights