Posted by urbancase on February 21, 2013 at 19:07:42 from (65.196.192.2):
In Reply to: Jib cranes posted by Animal on February 20, 2013 at 12:04:43:
yes i have one in my shop, i knew i would want one when i was building my shop and i put up a 40 by 45 by 16 tall clear span building. i put up a 1 ton jib that had 16 foot travel, starting out it was enough but soon was finding out that i sized up in tractors it was not enough. when i bured my base for the jib crane i dug a 4'x 4'x 5' deep hole and put the end of the up-right in and fill with cement and i still bent it a few years later at the bottom thust bearing. right now i am in process of putting a 6 ton brige crane in with 2-3 ton elec hoist. if you need help sizing this you can go to a steel supplyer to get your beams sized as they can tell you what you need for the size you want. you also might want to check on line as if you are having to buy all the steel it might not be much more to buy it.
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Today's Featured Article - Hydraulic Basics - Part 2 - by Curtis Von Fange. In the last entry to this series we gave a brief overview of hydraulic system theory, its basic components and how it works. Now lets take a look at some general maintenance tips that will keep our system operating to its fullest potential. The two biggest enemies to a hydraulic system are dirt and water. Dirt can score the insides of cylinders, spool valves and pumps. Wate
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