Try www.sciplus.com and www.herbach.com, two good surplus houses.
1 Answers · Science & Mathematics · 09/01/2011
just treat it like a simple lever problem with an over hung load. then divide the area of the cylinder to get the pressure required.
2 Answers · Science & Mathematics · 06/11/2007
...boom length of 275 feet, and up to 551 feet with a luffing fly jib extension.” There is a chart in every crane cab that will tell you what...
2 Answers · Science & Mathematics · 28/01/2013
... Also the Boom angle is critical. And Jib length and por soil conditions under the outriggers. ie insufficient...
2 Answers · Science & Mathematics · 23/04/2010
... people think they can handle larger loads than portable jib cranes. This is not the case. The advantage of a tower...
2 Answers · Science & Mathematics · 07/08/2008