| Re: [GMCnet] Airbag loading question [message #127759] |
Sat, 28 May 2011 11:59  |
Oldrvguybcg
Messages: 100
Registered: September 2008
Karma:
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Senior Member |
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Essentially the bogie arm is a variant of a 2nd Class lever. The reason the
Airbag doesn't see the full load of the entire side is because the lever
offers a mechanical advantage. Because of the laws of physics, the amount of
work required is the same because ultimately you are lifting a 4,000 lb.
load. The actually force on the airbag will vary depending on where you are
in the wheel's travel path. The ratio of the distance from the hub to the
pivot and the distance from the hub to the Airbag end is what gives toy the
mechanical advantage. The longer you make the distance from the hub to the
Airbag, the lower the force required to move the hub that has 2,000 lbs. of
weight on it. However, the lower the force required, the larger the
distance the arm will have to move to achieve the same vertical height.
Brian Gleissner
74 Sequoia
Woodbury, CT 06798
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