BYU Capstone. Nick Barnwell, Andrew Marshall, Matt Steward. April 15, 2014. Components. Hoist. Safety Strap. Electrical Reel. Pulleys. configurations. . Structural support. . One way. . Two way. . ID: 147882
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Temple chandelier Hoist Support System
BYU CapstoneNick Barnwell, Andrew Marshall, Matt StewardApril 15, 2014Slide2
Spatial and design RequirementsSlide13
One way Pulley, Bottom MountedSlide14
One way PulleySlide15
Two way Pulley, Bottom MountedSlide16
Two way PulleySlide17
three way Pulley, Top Mounted (Front)Slide18
three way Pulley, Top Mounted (side)Slide19
three way Pulley (front)Slide20
three way Pulley (side)Slide21
Electrical take-up ReelSlide22
Cables and StrapsSlide25
Hoist-pulley distance requirements
Depending on how far the chandelier needs to drop will determine the required minimum distance between the hoist and the first pulley.
As a rule of thumb, if the distance is greater than or equal to 10 feet the distance requirement will always be met. If a shorter distance is desired calculations* will need to be done to find the minimum distance allowable.
the appendix of the hand
Structural support DesignSlide27
Dynamic Load Factor
*Dynamic Load Factor
in the appendix of the hand outSlide28
The mounting plate was designed for worst case scenarios and against all expected failure modes.
A minimum required thickness was determined from these calculations* and rounded up to 0.5”. The plate width and length may be adjusted according to which system components will be attached to it. The chandelier hoist, electrical reel, and safety strap will all fit on a 3’ x 3’ plate.
design calculations in the appendix of the hand outSlide29
*Beam design calculations
in the appendix of the
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