Engine Gantry pics and materials
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Engine Gantry pics and materials

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    Senior Member kurtis500's Avatar
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    Default Engine Gantry pics and materials

    I about to build my own engine gantry. I have the hoist and all the tools needed (welders and etc) Do you guys have any pictures of the gantrys you use or how heavy of material the frame is made from? Ive seen some portable units at the races and they seem fairly lightweight and do well. I dont plan to lift anything more than a BBC or hemi motor and tranny with the unit. The top beam size and etc would be good to know. I would like to be able to collapse the unit and store it also.

    Thanks
    Last edited by kurtis500; 10-13-2012 at 08:22 AM.

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    Senior Member shan's Avatar
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    I have a Spanco 1A1010B I could measure. You can find the specs here about 1/4 of the way down the page under "A Series Adjustable Height Gantry Cranes 1-3 Tons.

    Cranes
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    Half a bubble off jrork's Avatar
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    Great timing! I'm in process of building one too. Are you planning a movable one or fixed? Im making mine so I can lift the hull off the trailer as easy as possible. My uprights are likely overkill but its what I found cheap at work. Much of my searches for the crossbeam suggest 6x12.5 which the actual demensions are 3.33" wide by 6" tall.

    Check engineeringtoolbox.com There's enough info on beams to make your head hurt....... Goodluck!...........john
    Last edited by jrork; 10-13-2012 at 09:52 AM.

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    Senior Member kurtis500's Avatar
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    Quote Originally Posted by jrork View Post
    Great timing! I'm in process of building one too. Are you planning a movable one or fixed? Im making mine so I can lift the hull off the trailer as easy as possible. My uprights are likely overkill but its what I found cheap at work. Much of my searches for the crossbeam suggest 6x12.5 which the actual demensions are 3.33" wide by 6" tall.

    Check engineeringtoolbox.com There's enough info on beams to make your head hurt....... Goodluck!...........john
    I actually think Im going to go a little bigger to do just what your talking about. I have a flatbottom and hydros I can lift off the trailer to work on the trailer if needed. I'll look at that link and see what the numbers are. What are you using for a hoist?

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    Half a bubble off jrork's Avatar
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    I'm torn between electric and a manual chain hoist (1 ton). I've heard that a chain hoist is smoother and less risk of being jerky. my uprights are 5" square tubing 3/16" thick and has 1/2" thick 6" x 6" angle feet. Like I said, likely overkill but they were free so I jumped on them. I'm using 3/4" expansion bolts to bolt them to the floor and then tie them loosely to the walls to add to the stability. Reason for "loosely" is I want to add stability but not rely of the wall where I tie it to for strenth.

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    Senior Member shan's Avatar
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    Quote Originally Posted by kurtis500 View Post
    I actually think Im going to go a little bigger to do just what your talking about. I have a flatbottom and hydros I can lift off the trailer to work on the trailer if needed. I'll look at that link and see what the numbers are. What are you using for a hoist?
    Mine's a 1 ton w/ a chain fall. Electric would be nice, but man are they pricey. I bought this one in an auction and it was too cheap to pass up. It's mobile and the attraction for me was to be able to pull the engine in the cruiser. It's to tall to use a cherry picker. Plus, I hate shagging the engine out of the flat bottom with a cherry picker right over the side of the boat.
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    Highaboosta Unchained's Avatar
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    I've been in the overhead crane business for 30 + years.

    Sometimes even building it yourself it's hard to beat the pricing of some of the manufactured units like Spanco or Gorbel. Look on ebay.
    If some one needs some beam sizes for a capacity over a certain span I have charts that give those beam sizes and will be happy to pass it along.

    http://i621.photobucket.com/albums/t...assembly-1.jpg

    Twin Turbo 1800 HP V-Drive lake boat

    http://s621.photobucket.com/albums/t...t=MAH05771.mp4

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    They have these at the local HF. I would change the top I beam and put in a bigger aluminum one and go wider at the same time. These suckers are solid, other than the top I beam being a bit to small, for me any way. Gantry - Harbor Freight Tools



    And if you use a 20% off coupon you will save some coin. Casters alone will set you back $200.00, for good ones.
    Last edited by Cobra1; 10-13-2012 at 04:42 PM.

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    Half a bubble off jrork's Avatar
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    Quote Originally Posted by Cobra1 View Post
    They have these at the local HF. I would change the top I beam and put in a bigger aluminum one and go wider at the same time. These suckers are solid, other than the top I beam being a bit to small, for me any way. Gantry - Harbor Freight Tools



    And if you use a 20% off coupon you will save some coin. Casters alone will set you back $200.00, for good ones.

    I looked hard at these but the one I measureed was too narrow for my Daytona and trailer.




    Mark, thanks very much for the offer. I'll send you a pm..........john

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    Banne'd Cobra1's Avatar
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    Quote Originally Posted by jrork View Post
    I looked hard at these but the one I measureed was too narrow for my Daytona and trailer.





    That's why you change the I beam on top. Go with a 5"x 10", and it will give you more than enough lifting strength, and get it 10-12 feet long. That would give you enough room to flip a boat.

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