A-frame

An A-frame is a basic structure designed to bear a load in a lightweight economical manner. The simplest form of an A-frame is two similarly sized beams, arranged in a 45-degree or less angle, attached at the top. These materials are often wooden or steel beams attached at the top by rope, welding, gluing, or riveting.

Because they have only two "legs", A-frames are usually set up in rows so that they can have good stability. A saw horse is a good example of this structure. More complex structures will have a crossmember connecting the two materials in the middle to prevent the legs from bowing outwards under load, giving the structure the appearance of the capital letter A.

Other structures that use A-frames

  • A-frame house
  • A-frame contour measuring spirit level
  • A frame camping tent
  • A-frame complex, a motif in chemistry
  • Folding ladder
  • Double wishbone suspension (cars)
  • Some suspension bridges
  • Some swing bridges
  • At the stern of ships for fishing or research
  • The main building of Florida's Disney's Contemporary Resort, in which the Walt Disney World monorail has a station
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    Tough But Fair

    by: I Farm

    "The time has come," the Wiener said,
    "To talk of many things.
    Of popes and dope and kings.
    And why the sea is boiling hot,
    And whether cops have wings."
    Remember five long years ago?
    Those were good times that may never come again
    Now everything is justified
    Is that tough but fair?
    The time has come to look me in the eye
    And tell me all the things
    That I have told you
    You can claim to have invented them
    It might even be true
    I guess we failed, at least we tried
    Things could be worse, we might have died




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