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Bike Rack Project

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Bike Rack Project

Unread postby pwall on Sat Jul 10, 2010 11:15 pm

Started a new project today......putting a bike rack on the rear bumper of the TT.
Of course, the concern is the strength of the bumper and what the 'bouncing' of the bikes while travelling may do to it.
I've seen so many trailers on the road with rear bike racks, so it's gotta be do-able.

Picked up a 4-bike rack at Canadian Tire today, and steel square tubing at Princess Auto. My son will start the welding tomorrow. First thing he wants to do is to re-inforce the bumper.
I'll try to get some pictures to post once it's done, because as we all know, a thread is useless without pictures. ;)
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Re: Bike Rack Project

Unread postby Limey on Sun Jul 11, 2010 12:19 am

Pat - I wouldn't have a bike rack attached to a trailer bumper unless it had MAJOR reinforcement.

I have personally witnnessed several failures of this type of setup, on the freeway, and it wasn't pretty!

If you want a bike rack on the back of the trailer, please consider having a hitch installed and then use one of the hitch mounted racks. Trailer bumpers are rarely designed to allow for the bouncing that bike racks can cause, and unless the installation is really sturdy you could be in for problems.

JMHO, and as I have a hitch on my trailer for towing the boat I already have the ideal thing. I would strongly recommend you go that route instead of tring to beef up the bumper!
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Re: Bike Rack Project

Unread postby pwall on Sun Jul 11, 2010 10:19 am

Yeah, that's been on my mind.
All the welds on the bumper are all being redone to ensure they're good, the bike rach 'hitch' is being welded as well (so it'll have to stay with the trailer after I upgrade to a 5ver). And he's welding on several pieces of steel square tubing.
All in all, the bike rack won't simply be attached to the bumper, but will become part of the frame itself.

With all that said, if I find it's not working, it'll be removed. Safety first.
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Re: Bike Rack Project

Unread postby mikhen on Sun Jul 11, 2010 11:46 am

Hey Pat,
May I make a suggestion? After your project is done, load the bikes on it and take it for a cruise, highways, hills, bumps everything, WITH someone following you, preferably with a video camera. Watch for twisting and shakiness.
The only reason I'm saying this is that just a few months ago, wife and I were behind a TT with a bumper mounted rack. We could literally see the bumper twisting and the bikes bouncing all over. I'd have to second what Limey said about the hitch mount racks.
Good luck.
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Re: Bike Rack Project

Unread postby Ontariofarmer on Sun Jul 11, 2010 2:27 pm

Pat, it sounds like your son has the right idea about adding supports etc, just so long as he's adding them to the frame, not the bumper. I'm a welder too, and I'm going to make a hitch that will use the frame not the bumper and add it to the 5er for my bike rack.( the bumper on my 5er is only good enough to hold the sewer hose ) That's the right way to do it.
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Re: Bike Rack Project

Unread postby pwall on Sun Jul 11, 2010 2:47 pm

He's using steel tubing (2inch I think.....), welded to the frame. The hitch will be welded to the bumper and the new crossbar across the frame. Plus the bumper will be re-enforced with angle-brackets and the old welds redone.
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Re: Bike Rack Project

Unread postby Zinger on Sun Jul 11, 2010 8:51 pm

I have one on mine bought the curt 4" bumper reciever very nice but it scares me makes the bumper endcaps come off so I dont use it right now need to rethink the whole thing a bit.. be careful you could lose a fortune in bikes and have a major accident behind you..
Have a good one
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Re: Bike Rack Project

Unread postby Limey on Sun Jul 11, 2010 10:32 pm

Zinger wrote:I have one on mine bought the curt 4" bumper reciever very nice but it scares me makes the bumper endcaps come off so I dont use it right now need to rethink the whole thing a bit.. be careful you could lose a fortune in bikes and have a major accident behind you..


Yup - it was the major accidents behind the two that I saw that made me post my comments earlier. Can't be too careful! :cry:
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Re: Bike Rack Project

Unread postby canadian redneck on Thu Jul 15, 2010 7:43 pm

A friend of mine mounted his to the bumper of his new trailer and on the first trip the bumper (which the salesman said was reinforced) was twisted and the bikes almost fell off. He cut off the damaged bumper and welded on a new one made of heavy walled tubing. I have followed him on a few trips and there is still some up and down bounce but a lot of side sway in the bike rack itself. The last trip he used a ratchet strap from each corner of the bumper and it did remove most of the movement.

Just a little info that might come in handy.
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Re: Bike Rack Project

Unread postby pwall on Wed Aug 04, 2010 10:49 am

The bike rack project is finally finished. Tested out this weekend and all went well. That is, we left home with 4 bikes, we retuned with 4 bikes. The first thing after arriving at the campground and the bikes were removed, my son inspected all the welds and all was fine. :D

Here is what was done:
1. all factory welds were re-done as they weren't the best
2. factory bumper was re-inforced in several areas (just as a pre-caution)
3. 2" square steel tubing was welded underneith to the frame of the trailer (the frame itself and not the bumper 'frame').
4. 12" hitch was welded to the 2" square tubing and to the factory bumper and re-inforced with 2" angle brackets all the way thru
5. Hooks were placed on each end of the frame to allow straps to be fastened to the bike rack and frame to prevent side-to-side movement

In the end, this thing doesn't move. I have to say that my son did a fantastic job. It was looked at by several people familiar with welding, receiving favorable comments. I must admit, it's nice to have a welder living at home.

And of course, as we all know, a thread is useless with pictures! I can take more detailed pictures and post if there is interest. ;)

Patrick.
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Re: Bike Rack Project

Unread postby Ontariofarmer on Wed Aug 04, 2010 5:06 pm

Looks very nice and neat.....not a hackers job

Very well done
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Re: Bike Rack Project

Unread postby cwit on Thu Aug 05, 2010 6:33 am

Nice job well done. I don't think you will have any problems with his work.
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Re: Bike Rack Project

Unread postby pwall on Thu Aug 05, 2010 8:56 am

Yeah....if I do, he isn't getting his allowance! :mrgreen:
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Re: Bike Rack Project

Unread postby kilbrider on Fri Aug 06, 2010 12:06 pm

Next time you come home to NL bring him with you. He can do mine next!!
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Re: Bike Rack Project

Unread postby pwall on Fri Aug 06, 2010 12:37 pm

Funny you should say that....heading home (Grand Falls-Windsor) next Thursday! :)
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Re: Bike Rack Project

Unread postby Limey on Sun Aug 08, 2010 7:23 pm

Pat - looks like he did a slap-up job! Looks really good!
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Re: Bike Rack Project

Unread postby SCCamper on Mon Aug 09, 2010 12:18 am

Wow, looks great!
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