Repairing structure element

Converting Cargo Trailers into TTTs

Repairing structure element

Postby Wrecit » Tue Feb 22, 2022 1:58 pm

Yea I know, damn this guy is posting alot lol. Well when the conversion is a 36 year old trailer there are alot of issues.

The rear most deck support/bumper is a mangled mess from years of God knows what. It is actually not currently structural but with my new design it will need to be. My question is current measurement is 3 1/4 inch. I am thinking go with either 3x3 box tube or 3x3 C chanel. The square tube will definitely be stronger but the C will be a little weight savings.

What are your thoughts. Also wall thickness on sides is 3/4 inch studs. Would you use square tube or c chanel for window openings.
You hide your conversion and call it stealth. I put mine out in the open and give it a beer.

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Re: Repairing structure element

Postby Wrecit » Mon Feb 28, 2022 10:29 pm

No one wants to play structural engineer lol?
You hide your conversion and call it stealth. I put mine out in the open and give it a beer.

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Re: Repairing structure element

Postby tony.latham » Mon Feb 28, 2022 11:32 pm

Wrecit wrote:No one wants to play structural engineer lol?


Try posting some photos. Otherwise, folks aren't going to understand the problem.

:thinking:

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Re: Repairing structure element

Postby onehoser » Tue Mar 01, 2022 9:17 am

yep, pictures, squirrels and shiny things always get my attention. ;)
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Re: Repairing structure element

Postby Wrecit » Tue Mar 01, 2022 1:47 pm

Ok if a picture is worth 1000 words then this should be worth a 4 page essay lol. Looks like I can't direct upload pix and am to lazy right now to get a pic site account open.

https://youtube.com/shorts/3sy0jjokMV0?feature=share
You hide your conversion and call it stealth. I put mine out in the open and give it a beer.

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Re: Repairing structure element

Postby tony.latham » Tue Mar 01, 2022 7:14 pm

Wrecit wrote:Ok if a picture is worth 1000 words then this should be worth a 4 page essay lol. Looks like I can't direct upload pix and am to lazy right now to get a pic site account open.

https://youtube.com/shorts/3sy0jjokMV0?feature=share


I'd probably weld in a piece of 2" x 3" .063 steel tubing. I'd be curious to see what the rest of the frame looks like since that piece looks awful thin.

:thinking:

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Re: Repairing structure element

Postby Wrecit » Tue Mar 01, 2022 10:35 pm

tony.latham wrote:
I'd probably weld in a piece of 2" x 3" .063 steel tubing. I'd be curious to see what the rest of the frame looks like since that piece looks awful thin.

:thinking:

Tony


I will be honest for an old school steel trailer I am a bit disappointed by the floor joist thickness. They are in great condition for their age but you can flex them a little if you grab the center. The trailer was a landscapers sometime in the past so assuming there were many high curbs in that rears past
You hide your conversion and call it stealth. I put mine out in the open and give it a beer.

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Re: Repairing structure element

Postby hankaye » Wed Mar 02, 2022 7:59 am

Wrecit, Howdy;

One thing that was kind of a 'Standard' thing when I worked in aviation structural maint.
was to build back as strong or stronger if possible. Have a talk with a local metal fabricator
probably get the best advise there.

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Re: Repairing structure element

Postby twisted lines » Wed Mar 02, 2022 11:30 am

Normal attachment methods may be a challenge without seeing farther back, start digging before you go buying.
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Re: Repairing structure element

Postby Tomterrific » Fri Mar 04, 2022 10:21 am

A square tube is stronger but a C channel will not rust out as fast.

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