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Old 02-02-2014, 08:13 AM   #1
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1963 28' Ambassador
Danielsville , Georgia
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Body lift question

hey I am looking for pics of supporting mono coupe through the windows I have seen them on here some where. I am getting close to lifting body off of the frame.
63 ambassador gutted and working my way around the bottom removing rivets and bolts or what were bolts. i have seen where they frame it up a bit inside to lift it from frame but 28 ft is a lot to ask of four windows to rest on while repairing trailer and floor anyone know where that post is?
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Old 02-02-2014, 03:26 PM   #2
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I lifted mine through the roof vents and wrapped the lift straps around 2X6's running most of the trailer length to distribute weight.

http://www.airforums.com/forums/f305...ml#post1345708

Post #80 is liftoff
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Old 02-02-2014, 03:52 PM   #3
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Same kind of thing here, I framed mine out (probably way too heavily) and jacked it off the floor with a car jack then lifted higher and supported on saw horses by the framework not actually by any part of the shell. If you need a pic my thread was called shell off transmogrification which should make it an easy find :-)
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Old 02-02-2014, 03:56 PM   #4
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I have lifted the jack (truck and trailer) as high as the jack will go.
The weight bars go on really easily with little more than hand effort.
We live in the Mississippi Delta, though. Flat land means nothing will roll away, but trailer wheels are chocked and the rear wheels of the pickup never leave the ground. That ole leaf spring suspension just stretches out.
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Old 02-02-2014, 03:57 PM   #5
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Disregard that post- it was meant for "Weight bars- how do you lift them".
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Old 02-02-2014, 06:28 PM   #6
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Thanks all! And Craig I believe ill go with the gantries i can make them and it makes sense i think i can borrow some chain hoists. I am too far in to stop now like most projects. It will take longer than i expected and way more cash !!
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Old 02-02-2014, 06:57 PM   #7
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I bought my hoists at Harbor Freight in Fayetteville. They were the cheapest I could find and I planned for a single use.
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Old 02-03-2014, 11:24 AM   #8
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For our 20' Silver Streak Sabre, we framed in supports forward and aft, used floor jacks to separate shell from frame, and placed on saw horses. This method has worked well for us and has held the shell without issues for over 3 years now.

If interested, detail is documented in our blog. Click here.
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Old 02-03-2014, 11:54 AM   #9
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I built gantries (as pictured above), and pulled the shell via a beam running the length of the roof, with lifting points at the vent holes. I used a couple of HF 1 ton chain hoists, and they did the job just fine. Make sure you make your gantry frames tall enough that you can lift the shell clear of the wheel wells.

The real value in the gantry method is that you can then use the gantry frames to flip your frame during painting, repair, and bellypan reinstallation. If I had had to do all the work I did lying on my back with crap falling in my face, I would have given up long ago.

After reinstalling the shell on the frame, I was then able to use the gantry frames as scaffolding for all the roof work (ie, installing patches, replacing the AC, etc.). Got lots of use out of those things.

Good luck.
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Old 02-03-2014, 03:20 PM   #10
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Great pictures there :-)
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Old 02-03-2014, 06:31 PM   #11
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+1 for Gantries...

Got the suggestion from Colin Hyde, and then I copied Belegedhel's design (Thanks Belegedhel!!!). If you've got the room, its a really nice way to go.

Note: Someone who works with CAD files actually put the specs of those gantries into a .pdf on another thread so you can have accurate plans to build them.

Not only was lifting the shell a breeze by myself, but as you can see in the previous post, they come in handy for working on the frame, and gently setting the shell back on is extremely precise. In fact, I used exactly the same rivet holes on the entire perimeter connection to the c-channel.

Now I'm using them as scaffold to remove old stuff on the roof, polish, and put new stuff back on... not sure how I could do what I'm doing without them. The AC just went on this past weekend and I sure could not imagine trying to do that without the setup I have...

Good luck!
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Old 02-03-2014, 07:13 PM   #12
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body lift

Thanks for the help great info great pics ill look for the pdf for gantries
they look like 12 footers. when i figure it out ill post a pic or two .
and a shout out to thevap.com podcast for air streamers but y'all probably know of it all ready thanks again
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Old 02-03-2014, 08:56 PM   #13
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Here is the link to the thread with the Gantry .pdf. Post 32
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Old 02-03-2014, 09:01 PM   #14
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Here it is... Forgot I downloaded it.

That thread is still a good read on the subject though...
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Old 02-03-2014, 09:02 PM   #15
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Oops! And here is the link:

http://www.airforums.com/forums/f36/...ns-104015.html
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Old 02-04-2014, 02:51 AM   #16
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Your shell weights about 400 pounds. It does not take a heavy set up as many think. Most people over brace with tons of wood weighing more than the shell does. I do not even brace when I lift using my gantry.
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Old 04-07-2014, 05:33 PM   #17
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I've made one of two gantries it's in place. Thanks for the help! One more to build and lift off hopefully this weekend .

working through life: Photo
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Old 05-10-2014, 07:54 AM   #18
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How did you secure your 2x4 ladder framing to the rails of the airstream. Curious how your going to take it off the jacks and move it. I'm about to do the same. I heard its also best to keep the inner skins on as it makes the structure more rigid but I removed mine already. Fun project.
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Old 05-10-2014, 07:56 AM   #19
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Is it best to leave the inner skins on before the lift? I heard it makes it more rigid.
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Old 05-10-2014, 08:44 AM   #20
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There is absolutely no need to "reinforce" the shell with any framing. Reinforcement will just make it heavier. Same for the inside skins. The shell is very strong when you lift it off.
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