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Old 06-09-2014, 08:33 PM   #31
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Nope - you can't use a ladder mounted bike rack either. Just wait the comments will come.

The pics posted show two pieces of butt welded rectangular tubing welded together with no weld on the bottom and probably no weld on the top. Then add two flimsy brackets with a bit of a spot weld. It is interesting to me it is again a failure at what appears to be the jack location and the crack indicates an upward stress.

The diagram I furnished of my trailer is completely different. The the i-beam is notched with the bumper resting in the notch and it is welded all the way around and it is a 7 1/2 i-beam. Try a few pics of it. Do you see imminent failure?

Apples and oranges.
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Old 06-09-2014, 08:49 PM   #32
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I'll just let the OP do his own reading:

https://www.google.com/search?q=bike...com&gws_rd=ssl
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Old 06-09-2014, 08:52 PM   #33
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As others have said, your "I"beam is not a structural steel beam. It is 3 pcs of steel welded together. They do this to save weight. Your bikes WILL bounce and produce undo stress on your welded frame. Your bumper may not fail. Your frame, may not fail. But it's not designed for what you are wanting to do. You can put your trust in an engineer, or you can do what you think your welded beam will hold. It's your camper, but I doubt you will get a majority here that will agree with putting a bike rack on the back. We all wish you good luck, though.
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Old 06-09-2014, 09:13 PM   #34
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As others have said, your "I"beam is not a structural steel beam. It is 3 pcs of steel welded together. They do this to save weight. Your bikes WILL bounce and produce undo stress on your welded frame. Your bumper may not fail. Your frame, may not fail. But it's not designed for what you are wanting to do. You can put your trust in an engineer, or you can do what you think your welded beam will hold. It's your camper, but I doubt you will get a majority here that will agree with putting a bike rack on the back. We all wish you good luck, though.
X2 Timmy from another 'retired' design engineer.
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Old 06-09-2014, 10:03 PM   #35
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Those of us who have done it successfully (2" receivers with beefed up framing - NOT just something stuck on the bumper) have been beaten into submission by most everyone posting above.

Notice they given you pics, but have NOT told you what they actually had loaded onto their bumper, if anything - as one person said: jacking problem, maybe?? You don't know if they had one 25lb bike, or a 200 lb generator loaded up. In spite of my requests for such info, it's never been forthcoming, with the only exception being the guy with the storage rack/generator who just posted above (and we don't really know if it would have been too much, since he took it off right away). And to me that load he's got is a far cry from a bike rack. But no one will tell you what they were carrying. What's up with that?
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Old 06-09-2014, 10:24 PM   #36
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Both bikes are about 40 pounds plus the weight of the hitch.
It did have a spare tire and mount bolted to it.
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Old 06-09-2014, 10:29 PM   #37
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Both bikes are about 40 pounds plus the weight of the hitch.
It did have a spare tire and mount bolted to it.
Good luck, only time will tell. I'd keep a close watch on the top welds on the 4" tube.
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Old 06-09-2014, 10:36 PM   #38
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Good luck, only time will tell. I'd keep a close watch on the top welds on the 4" tube.
Oh I have and shall, but as I have posted before, no worries.
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Old 06-10-2014, 08:18 AM   #39
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I have considered taking the spare tire off the rear bumber and mounting a bike rack in the back. The bikes would weigh less than the tire and the tire rack.
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Old 06-10-2014, 08:29 AM   #40
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Originally Posted by rockfordroo View Post
Those of us who have done it successfully (2" receivers with beefed up framing - NOT just something stuck on the bumper) have been beaten into submission by most everyone posting above.

Notice they given you pics, but have NOT told you what they actually had loaded onto their bumper, if anything - as one person said: jacking problem, maybe?? You don't know if they had one 25lb bike, or a 200 lb generator loaded up. In spite of my requests for such info, it's never been forthcoming, with the only exception being the guy with the storage rack/generator who just posted above (and we don't really know if it would have been too much, since he took it off right away). And to me that load he's got is a far cry from a bike rack. But no one will tell you what they were carrying. What's up with that?
3 kids bikes
1 spare tire
1 bike rack

Pictures?
I really need to provide pictures from 10 years ago?
I think my word is good enough.

Here's a pic.


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