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Old 11-03-2014, 05:56 PM   #1
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Another bumper hitch question

So I know from everything that I have read here that it probably isn't a good idea to attach a bike rack to the square bumper on the back of a TT. But I was wondering about putting my 42 gallon empty tote there.

The tote weights about 40lbs empty and I figure another 10lbs in metal for the u-bolts and bars that would be used as a mount.

I was thinking of an L shaped mount attached to the bumper with u-bolts. The tote would slide between the brackets and the back wall of the TT itself, attached with bungie cords.

Thoughts????
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Old 11-03-2014, 06:25 PM   #2
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I don't know about the weight. I would be concerned about chafing the rear wall.

A service rep at our dealer told me they repair a lot of damage caused by things that are mounted on the back of TTs and shouldn't be. Chairs and waste totes on ladders can cause damage, but I see a lot of that. Is there a way you could attach to the frame?
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Old 11-03-2014, 06:35 PM   #3
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I see where you are with this, I could easily make sure that it didn't rub up against the back wall by tying it close to the brackets. I am mostly concerned with the weight. The bumper is welded pretty well to the frame and the spare tire is already attached to it.
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Old 11-03-2014, 08:28 PM   #4
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I don't see any issue with you plan. The issue with bikes is the dynamic forces because a bike rack essentially becomes a lever pulling on the bumper.
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Old 11-03-2014, 08:56 PM   #5
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Quote:
Originally Posted by clubhouse View Post
I don't see any issue with you plan. The issue with bikes is the dynamic forces because a bike rack essentially becomes a lever pulling on the bumper.
Agree, the majority of the weight is still going to be pretty much still on the bumper. I am fortunate that I have a welder and can manufacture the brackets myself, and simply attach using U-brackets
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Old 11-04-2014, 09:34 AM   #6
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I had 2 25 gallon totes on back there and after 3 years the bumper fell off.. so I would not reccomend it.
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Old 11-07-2014, 10:02 AM   #7
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Have you seen these? Supposedly they reinforce the back bumper to prevent breakage at the welds.... I am considering putting storage there as well.

https://www.mount-n-lock.com/index.p...=38&Itemid=545
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Old 11-07-2014, 12:34 PM   #8
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Don't waist your money on those things, there is not enough metal on them to be sufficient for more load capacity. They are only good for not having your bumper falling off in its present situation. Get a good hitch installed on the back of the trailer with 2" receiver channel going across bolted on the trailer chassis.
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Old 11-07-2014, 11:00 PM   #9
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Yes, a bolted hitch with a 2" receiver is great...for $300. But for $50, you can get the metal braces that will provide enough extra strength to hold some storage.

I have done some stress analysis on this set-up. As you can see in the pictures (bumper A - no brace , bumper B - brace), adding the braces moves the stress points away from the bumper welds (where it fails and the bumper falls off).

As someone pointed out, it's the stress on the welds that kick the bumper loose and drop off. So, the braces would be a cheap solution to get additional strength for simple storage.

(I don't sell that product, I am just interested in the design and will probably cut my own version of it.)
Attached Thumbnails
Bumper_A-01.jpg   Bumper_A-02.jpg   Bumper_B-01.jpg   Bumper_B-02.jpg  
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Old 01-05-2015, 11:12 PM   #10
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After some research (and a little design "borrowing"), I settled on using this tote from Tractor Supply:

http://www.tractorsupply.com/en/stor...-chest-toolbox

I will fabricate the bumper reinforcements and the bolt-on supports. Then I will bolt the tote in place. This should give me plenty of additional storage....I'll post some pics TEX1961 once I get everything in place...
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