I am going to build a new farm shop. I want to put an overhead crane in there. I also need the floor space for working on large farm implements so a Gantry crane that stands on legs on each end is out. I have seen the type that has a 12" or so pipe against a wall that has an I-beam arm that will swing out 20' or so. This I could install between 2 doors and swing it to the center of either door. I know the lifting capacity will be reduced as I slide the hoist out the the end of the I-beam. I can't find and companies that make such a crane. Any ideas?

I use a jet brand sliding sled type Block. We welded 1/4 x 6 x 6 I-beam between two of the roof beams with 4' gussets at 45* on each end. The Span is 25' with 19' of useable slide from left to right, and lift capacity is 5 tons.

I lifted the ass of my proline twin 4stroke off the bunks to install a thru hull with zero deflection.

http://www.jettools.com/us/en/c/lift...e&fa_760Lo04=5

Hoist....

http://www.jettools.com/us/en/c/lift...r=1&reset=true

Trolley

I was thinking of the type. I guess it's called a Jib Crane.
http://crscranesystems.com/products/jib-cranes/
My shop will be Pole barn construction.

You might want to put a call in to your local steel fabrication shops/contractors. They aren't that complicated to build from scratch. You can get an electric hoist and the trolley through Grainger.

i perfer this style..http://www.overhead-cranehoist.com/c...op-167513.html

you can use it anywhere in your shop..

I think I might have one. Email me your #.

Jib crane is what you described. I had one installed in my old shop. Worked well for its intended purpose

Payton,
Our electric hoist is set up similar to what you described. We have a 15'+/- I beam with a few threaded studs welded on the top of the I- beam to hold the beam up against the 14' clear 2X4 engineered wood joist. A 13' +/- wood 4X4 is permanently mounted under one end of the I-beam at the side wall. When we go the pull the engines with the electric chain hoist, we wedge (couple of kicks at the bottom) a removable 4X4 at the other end of the I-beam. This allows the trolly mounted hoist to be stored up against the wall and out of the way when not is use....99% of the time.