Lagun Table Mount Install - Thoughts - Escape Trailer Owners Community

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Old 01-22-2018, 09:20 PM   #1
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Lagun Table Mount Install - Thoughts

This month I installed a Lagun table mount in our new (Nov 17) Escape 21 with the U-shaped dinette. I’m a retired structural engineer so I looked at this install primarily with stability and strength in mind. There are certainly many ways to successfully install the table support. Here are some thoughts and a description of how I went about it:

The original construction is basically just a wood frame covered with very thin plywood. It’s conservative to assume the plywood has no real strength and to design the install such that all load from the table (vertical weight and resultant moment, think lever arm) transfers directly to the wood frame structure, which is well designed in the U dinette benches.

I first filled the space within the wood frame with 3/4in plywood then installed a wood plate over this plywood attached directly to the framing. In my case, I used some 3/8” oak I had left over from another project.



Then I installed two steel brackets between the new vertical “wall” of this back bench and the floor of the trailer. I used these:

https://www.wwhardware.com/a-m-hardw...am-black-16252

They are 8in x 12in shelf support brackets made of 1/8in steel by these folks:

High Quality Support Brackets for Countertops, Islands, Workstations, Shelves & Vanities | A&M Hardware

They are much stronger than necessary but, more importantly, they are very stiff. Cheap too, less than $20/pair plus shipping.

I attached these brackets using 1/4in threaded inserts and 1/4in bolts. By far the weakest part of the bracket install is the threaded insert/plywood connection in the trailer floor. A better solution would be to use through bolts but that’s overkill.

The good news is that the 3rd part of the install takes much of the load away from these brackets. I, like others have suggested, installed a 3/4in x 1/8in by 48in long steel angle along the top edge of the back bench “wall” of the U-shaped dinette. If you look at how the structure is built, you can see that now the load is transferred to the rest of the framing in the benches. I see this brace as very important in the Lagun table install as it greatly reduces movement of the Lagun mount and reduces the chance of pulling out any of the screws or bolts used in the brackets.

I installed a temporary table that is about 34.5in x 21in to try out. The length allows the table top to be used as the bed support. We shall see if this table suits us next month on our first real outing – Quartzite, AZ. I am posting a few photos that should help explain my install.

I hope this helps,
Bill
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Old 01-22-2018, 09:28 PM   #2
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Here are photos of my install:

supports.jpg

left.jpg

plate.jpg

completed.jpg
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Old 01-22-2018, 09:43 PM   #3
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Beautiful work, and a nice tabletop as well.
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Old 01-22-2018, 11:55 PM   #4
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Looks great, Bill. Looking forward to seeing your work on this up close at Quartzsite.
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Old 01-23-2018, 12:01 AM   #5
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Nice solid install Bill!
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Old 01-23-2018, 07:45 AM   #6
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Looks good. Is there much 'bounce' on the full sized table. That is my biggest concern, though the sloping of my table with the Springfield is not ideal either. I look forward to checking it out.
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Old 01-23-2018, 08:38 AM   #7
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Really nice work Bill!

My Lagun arrives today. I ordered a pair of brackets from Woodworkers Hardware last night. I had already ordered 3/8" threaded inserts so I will need to drill out the brackets.

I like the 3/8" plywood overlay to tie everything in. How did you attach the overlay? I see screws. Did it overlap the framing at the top? Glue? I was thinking of some construction adhesive.

I see also the lever on the vertical support is on the left away from the power center. Did you have to modify anything to do that?

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Old 01-23-2018, 09:30 AM   #8
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Jim – when the table is locked down, I get about 1/4in flex on the perimeter when I push down with maybe 20lbs or so. Virtually all of this flex is in the Lagun aluminum legs and pivot points, some in my plywood table top, and fortunately not in the base plate support. The table has much less movement than the original table in our 2012 19.

Skiman – I used 3/4in no. 12 self-taping screws, square drive like the rest of the trailer. Adhesive would work but I like to be able to take things apart if I see a future upgrade. The screws are just holding the wood in place and not taking much load. Yes, my wood overlay covers the top wood framework of the rear bench. I had to temporarily move some of the wiring out of the way during the install (be sure to turn off power!). My solar controller is now installed on the 3/8in oak surface.

I did reverse the lower Lagun lever to save my knuckles when tightening. It’s a carriage bolt so 30sec with a Dremel tool modified the round hole in the aluminum.
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Old 01-23-2018, 09:45 AM   #9
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Lagun without u-shaped dinette

Very nice Bill, we are enjoying seeing everyones installs with the Lagun table.

We are working on a plan to install a Lagun table mount without having the factory installed u shaped dinette. Our thoughts are that making a custom u shaped without enclosing the bench area would give us a place to put our dogs dishes safely out of walking area and give her a place for her bed under the table. So our framing support for the new bench and Lagun mount would need to be esthetically pleasing as well as strong since it will be open. We are thinking some sort of center post to both support the table mount and the new bench above along with two steel angle connecting the two side benches for the front and back of the new bench. This would keep the floor under the bench clear for dog dishes except for the center post space. The new bench would also need to be removable (not the frame work but certainly the surface) so that we could access our fuse panel which is near the back end of the side bench.
If anyone else has ideas or has done such an install please chime in.
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Old 01-24-2018, 08:08 AM   #10
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I have not seen the bench structure in the new 19s without the U dinette so I can't be much help. I would first investigate if using bolts installed thru the floor and connecting to the trailer frame underneath is possible. If connecting to the frame is out, then consider using a metal plate underneath to bolt thru spreading the load across a larger area of the fiberglass shell than would be possible with fender washers.

Quote:
Originally Posted by TallyHo View Post

.... We are thinking some sort of center post to both support the table mount and the new bench above along with two steel angle connecting the two side benches for the front and back of the new bench. ....
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