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  1. #11
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    As has been said its at your own risk, as gargoyle said being in the middle of the stud and pre-drilling are important for any weight loading on regular studs. Honestly I'd say put an extra stud there so that you can use a washer on the back to spread out the pressure vs having it concentrated.

  2. #12
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    Quote Originally Posted by joehasbeard View Post
    What about between doors? I think this would be awesome in my bedroom but I don't trust the studs, would there be a way to rig it to a door or window frame?
    You would have to set it so that the door is pulled shut, also that is stressing the doorjam and hinges, personally I'd say the studs are stronger. That said it has been done before.

  3. #13
    Member joehasbeard's Avatar
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    How strong is the frame? wouldn't that be as strong as a stud?
    Only the dreamer venoms all his days,
    Bearing more woe than all his sins deserve.

  4. #14
    Señor Member wisenber's Avatar
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    Quote Originally Posted by Divine_Light View Post
    I was thinking about getting rid of my bed, replacing it with a hammock full-time. It would create alot more room for me, room that cannot accommodate a 12'L hammock stand.

    Is it safe for an eye bolt to be put into the wall stud? Would it take 160lbs?
    Has anyone tried this, successfully, before?
    Please get back to me.
    My 14' steel hammock stand disassembles in a couple of minutes and takes up about as much space as a mop and a mop bucket in a closet. Using a stand also affords one the option of setting up in different locations whereas an eye bolt is fixed.

    And remember, the load on the studs is not restricted to your weight. It's geometrical.
    -Basic trig - force on the support is the hypoteneus of a triangle.

    h = (.5 x user weight) / sin(support angle)

    In other words, a 200 pound occupant will exert 200 pounds of force per side with a 30 degree angle, and 400 pounds of force at a 15 degree angle. With a tighter 10 degree angle, that force leaps to 588 pounds on each side. The TYPE of wood the studs are made of makes a big difference in tensile strength as well. Hang at your own risk.
    Last edited by wisenber; 05-29-2011 at 00:21.

  5. #15
    Member joehasbeard's Avatar
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    h = (.5 x user weight) / sin(support angle)
    So the strain on the hook/frame for a person weighing 230 (like myself) would be

    h = .5x230 /sin (30deg) (30 degrees being a general ideal angle)

    h = 240

    So even with that 240lbs is still less than what most of the sites out there say a door frame can handle, plus since the weight is distributed between both of them isn't the load shared?
    Only the dreamer venoms all his days,
    Bearing more woe than all his sins deserve.

  6. #16
    Member joehasbeard's Avatar
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    will exert 200 pounds of force per side
    isn't the load shared?
    Ah! I guess the load isn't shared, thank you sir, i did not know that.
    Only the dreamer venoms all his days,
    Bearing more woe than all his sins deserve.

  7. #17
    Señor Member wisenber's Avatar
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    Quote Originally Posted by joehasbeard View Post
    Ah! I guess the load isn't shared, thank you sir, i did not know that.
    Then there is also the matter of whether the force is in line or not. Pulling diagonally can impact the ability of the stud to support the load as well without either the bolt pulling out or the stud pulling through the wall.

  8. #18
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    Quote Originally Posted by wisenber View Post
    a 200 pound occupant will exert 200 pounds of force per side with a 30 degree angle, and 400 pounds of force at a 15 degree angle. With a tighter 10 degree angle, that force leaps to 588 pounds on each side.
    Do you have a link to a diagram and explanation of that principle.

    I'd like to see what the angles are you are talking about.

  9. #19
    Member joehasbeard's Avatar
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    http://www.youtube.com/watch?v=ZI-gBLyRCHY

    this guy seems to be ok hanging with the door taking part of the load. this looks like an interesting solution to hanging in my bedroom between closet and hallway doors
    Only the dreamer venoms all his days,
    Bearing more woe than all his sins deserve.

  10. #20
    Señor Member wisenber's Avatar
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    Quote Originally Posted by joehasbeard View Post
    http://www.youtube.com/watch?v=ZI-gBLyRCHY

    this guy seems to be ok hanging with the door taking part of the load. this looks like an interesting solution to hanging in my bedroom between closet and hallway doors
    Looks like which way the doors close into the room is key. If it opens into the room, it doesn't look like the force is spread over the frame.

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