Oct 10 2018 explore bob defoor s board pulley systems followed by 165 people on pinterest.
Equipment pully attic.
When screwing the pulley lift system into place avoid laminated rafters at all costs.
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They may be weakened severely and potentially lead to property damage or worse still serious personal injury.
Thread your para chord through the pulleys in accordance to the diagram i have provided.
See more ideas about pulley block and tackle mechanical advantage.
When you are ready to use the hoist bring the free pulley downstairs.
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This featured diy project is a simple build that works for those with pull down attic ladders that have straight side rails.
Heres a video of an attic pulley system that i set up today.
All the components were purchased at home depot for about 20.
97 1 74 oz 54 97 54 97.
In order to provide mechanical advantage this pulley needs to remain unattached to anything but the rope that is connected to the fixed pulley.
This is the 3 pulley system.
Rope was 11 and the two pulleys.
Attach your small pulley to the para chord in the front.
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You don t want them to fall out.
Some common sense and following the stipulated restrictions of the materials needs to be taken into account.
Set the free pulley on the attic floor off to the side of the door.
Attach your larger pulleys well to a stable board built inside your attic.