Quick Detachable Jack - Fiberglass RV


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Old 02-07-2013, 04:40 PM   #1
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Name: Pete
Trailer: Casita 17 ft Spirit Deluxe
Virginia
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Quick Detachable Jack

With our new F-150 came the ability to carry all the gear we’ll probably never use. Of course the only problem is accessing that gear before unhitching since the Casita jack interferes with Ford tailgate. Knowing this ahead of time and not being prepared to live without a new truck or with this situation I needed a solution.

Since I only have basic hand tools with which to fabricate steel and no easy way to bend or make large holes I concluded that a quick detachable jack system using only off the shelf components that would need minimal modification was the way to go. Welding would have to be subbed out but there would be no expensive outside experimental fabrication.

The resulting mod consists of a flanged female threaded assembly bolted to the trailer and a male threaded assembly welded to the jack. All the fabrication other than welding was done with a vise, hacksaw, files, a HD pistol drill and a few other common hand tools and took about 3 hours.
The system works really well. No tools are needed to set it up or take it down. Because of the straight coupling the jack spins easily down to the stop and because it can be removed from the trailer as soon as it is raised enough for the foot to clear the ground a lot of cranking is eliminated.

The basic bill of materials consists of:
(1) 2-1/2 x 6 sch. 80 pipe nipple
(1) 2-1/2 straight thread ridged conduit pipe coupling
(1) 3/8 pipe half coupling
(1) 3/8 x 3 pipe nipple
(1) 3/8 pipe cap
(1) 2-1/2 USS flat washer
(18”) .063 wire
(3) 3/8 x1 grade 5 bolts & nuts

Total: $45- $50 + Welding: $25

If anyone has any interest in doing this mod I’ll write up detailed instructions and post them.

Pete
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Old 02-07-2013, 04:43 PM   #2
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That is brilliant!
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Old 02-07-2013, 05:12 PM   #3
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I'm curious why you would need a weight distribution hitch for towing with an F150? The tongue weight surely is less than 500# which I assume the truck can handle without any issues?
Other than that, it is brilliant solution to a common problem. I bought another jack with a removable handle to solve my clearance issues.
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Old 02-07-2013, 05:26 PM   #4
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Great Idea..... I currently have to remove the jack on my Hunter (3 nuts) when towing as it sticks down and hits on the slightest dip. I like your idea even better.
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Old 02-07-2013, 05:27 PM   #5
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I recently acquired a side-crank swivel jack that's removable from the trailer tongue simply by pulling the position-fixing pin. Its mounting position doesn't interfere with W/D hitches, and it looks much like the jack shown below:



Francesca
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Old 02-07-2013, 06:25 PM   #6
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Without the long shank and head of the wdh, Pete's tailgate might be hitting the tank fairing also, Jim. And it's only a little single-bar trailer-wagger anyway so where's the harm. I assume there's a cap or tonneau cover on the p'up which makes the t/g operation so important.

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Old 02-07-2013, 07:00 PM   #7
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Name: Pete
Trailer: Casita 17 ft Spirit Deluxe
Virginia
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Quote:
Originally Posted by cpaharley2008 View Post
I'm curious why you would need a weight distribution hitch for towing with an F150? The tongue weight surely is less than 500# which I assume the truck can handle without any issues?
Other than that, it is brilliant solution to a common problem. I bought another jack with a removable handle to solve my clearance issues.
Jim,
Prior to getting the F-150 I towed with a Chevy Trailblazer. I've only had the truck 6 weeks and only towed locally to set things up. Like you, I assume the wd hitch may not be necessary Next week we're heading to Myrtle Beach and on the trip I'll be experimenting and will decide whether to use it or not. I set it up for the photo to demonstrate the available space on the Casita tongue.
Pete
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Old 02-07-2013, 07:14 PM   #8
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Understandable, a throwback to the old tug, thanks for explaining. You mentioned detailed pictures/instructions, can you post prior to leaving, thanks. Pete, I think we camped with you guys last year @ Myrtle Beach in February with the Frogmore Stew. I did not see anything on the the calendar or I may have made plans. If I have the wrong Pete, I apologize.
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Old 02-07-2013, 07:25 PM   #9
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Virginia
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Jack,
There's a cap but the jack's the only interference. I paid for the tailgate and I want to use it! If the cap weren't there I couldn't reach in there anyway it's so high.
Pete
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Old 02-07-2013, 07:26 PM   #10
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Right Pete
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