Posted by T_Bone on February 27, 2008 at 21:09:58 from (4.240.42.164):
In Reply to: Re: cherry picker posted by Dan-IA on February 27, 2008 at 17:11:45:
Hi Dan,
This type of hoist is a first class lever. If you apply 4000lbs at end of boom connection point, the boom being 8ft long, then you would have 4000x8=32,000lbs at the 3pt connection.
That's alot of weight for a 3pt connection or the boom. Then start moving that load and that load weight can quickly triple(or more) in applied force or well exceed 100,000/lbs or just like having a 100000# hammer beating on the connecting pins.
Be very careful when dealing with distance and heavy weights.
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