Cargo Carrier

drchuck

Member
:
2015 CX Touring
When this thread first began, I had queried the group for assistance in a carrier for my CX. Evidently they weren't in use, since no one seemed to know much more than I did - meaning we were in pitiful shape on the subject! After much hit and miss research, I bought the Rola carrier, and the Rola waterproof bag. FYI, Rola is an Australian company - and evidently very well thought of by users of its product line, which is extensive.

When studying the various designs, I was disappointed to find that all carriers seem to have one common malady (to me). They all bring your load nearly to street level, and depending on exhaust design, place the load right in front of exhausting gas. If your load isn't permeated with the stench, its beaten up by rocks, sand, water, or whatever the wheel can find to throw at it. Neither of them was an acceptable condition to me.

A final consideration was that every carrier I could find a report on exhibited a tendency to shake, rattle, roll, and rock around. That was also unacceptable.

To get the load off the ground, I decided to try a used 7 inch riser made locally to carry an electric wheel chair carrier with powered chair. The riser brings the carrier several inches above the exhaust, and makes it much easier to load. In the case of the Rola, and some other carriers I saw, there's a couple of inches of rise in the shank of the carrier itself - which gets the carrier backbone up 9 inches higher than hitch-height, using my riser, and then the actual platform about another inch or so higher. Overall the 10-11 inch difference in height really improves serviceability, and appearance.

To eliminate the shake and rocking, I elected to use double anti-rattle devices at each of the two junctions. Where the riser comes out of the hitch, we installed a anti-rattle lock, and to eliminate vertical movement, installed a Curt device with bolt, and lock nut. Together they completely stabilize the mounting.

The Rola bag is limp, and to me that makes it more difficult to load. To solve that problem, I went to a big box, and got PVC pipe and fittings to make an internal cage for the bag. It was easy, and I can tap it apart and store the sections in the bag secured to the carrier when its not being used. The frame was built around the smaller of the two bag configurations, since I knew if the bag had to be used in the expanded mode, the contents would hold the bag shape beyond the PVC frame. Truthfully, a second consideration was my unwillingness to have a half filled floppy bag detracting from the vehicle. The concept of the carrier and bag is sufficient detraction without looking like a hobo in the process.

I got my bag at a discount because the tie down straps were missing. Went to a sporting goods store and bought 1 inch straps with plastic snaps, and wound up with a better strap.

I am going to try and upload some photos over the next couple of responses. Hopefully if anyone else is in the market for a carrier these will help.
 
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The first shot shows the riser, and the two anti rattle devices. Select your riser carefully, the carrier will take 600 pounds, but your hitch tongue weight is probably going to be 400. Make sure the riser is made to handle the load. There are some out there with 100 pound maximum's, and the carrier weighs about 50 pounds by itself!

Second - close up of the anti rattle features installed.

Third - Detail intended to show that the Rola backbone is long enough to allow complete opening of the lift gate, even with the bag in place. Also, handy for us is the ability to stand between the vehicle and carrier, since we travel with dog kennels at the rear of the vehicle, and we need to be able to access them.

In the final shot, you can get a sense of the room between the carrier and the bumper, and see the top set of anti rattle devices on the top connection of the riser.
 

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In the first shot is a sense of the basic carrier as it relates to the vehicle. Its 57 inches across and 23 inches wide.

Second shot (taken before leveling adjustment (darn)) shows the relative size of the package.

Third, is the PVC frame with the bag dropped to show detail. It simply lifts out if not needed, and stays home.

4th is a shot of the PVC frame with the ends knocked off, and collapsed flat for transport if I don't need the bag both ways. The bag can then just be lashed to the carrier empty, or placed in the back of the vehicle, out of the way.

Finally, the package ready for travel, except for moving the tag to the carrier. Provision is made for that with mounting holes on the chrome bar where the center lashing is secured.

Well, OK. That's probably an overload on this project, but if it helps one other member somewhere it was worth doing.
 

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Couple of observations, suggestions, and questions:

1. Why the lift extension when the rack has a riser, and would clear the hatch anyway?

2. Tongue weight is 350lbs. A 600lb rack is overkill unless you have a heavier vehicle to use it on also.

3. ALWAYS reduce your photos before posting them. The one below was 18MB originally. I reposted it after resizing it to 25%, making it 1.1MB but appearing the same when viewed.

.
 

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Relax, I resized them all, can't explain why one was out of whack. I would add that they all passed the forum's size requirement just fine, or they would not have posted up. Personally, I am disappointed to learn that someone on this forum can change the entries of other folks, right or wrong, unless they have moderator status, but I've only been here a month or two, so am still learning this bunch.

The cargo carrier is what it is, I don't foresee replacing it because someone else think's its overkill. Extra beef isn't a penalty, since its weight is in line with other carriers of the "near 60" size."

If you read back through the posts, you see I mentioned the exhaust was a factor without the riser, as was mud, rocks, sand, and whatever the car could throw at it, hence the riser.

I also mentioned previously that the carrier looks like something being dragged along behind on the street without the riser (personal opinion and preference on this one). I also like the elevated height for loading and unloading the carrier. I stand about 6'6" and getting "down and dirty" to load a carrier isn't something I chose to do.

According to Curt, who made the 13575 model hitch, the TW is 400 pounds. The vehicle tongue weight isn't much of a factor with the carrier, because the carrier does not exhibit remotely the same stress characteristics on the back of the vehicle as a towed trailer, as regards the stress rear of the trailing axle (I am all ears if someone can develop the physics to demonstrate this) In the real world, we are simply adding an extra load to the rearmost point of the CX. If we don't exceed the weakest link's capacity (or overload the vehicle) - in this case the hitch - in particular the 8 bolt's shear strength that attach it to the frame; The carrier shank will give way long before they do. the crossover isn't going to exhibit any flawed characteristics other than lighter steering, and that probably wouldn't be noticeable to most of us. I don't see the CX whirling around in traffic like a clown car at the circus (it would be interesting though with a FWD). In addition, I do have the Sport model, and after driving it for two months, I surely hope everyone else's is sprung a little more softly. This carrier sure isn't going to stress this thing.

Thanks for your input, because it did make me think back through the mathematics of adding the "mythical" 400 pounds 4-5 feet behind the axle. Tongue in cheek - by the time I put the two occupants in the front seat - we offset the weight - (aging is for the birds) - Chuck
 
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I think it looks very nice. I wonder if cops ever pull people over for having the rear license plate blocked while driving with it on there? I imagine not often, but I suppose it could happen. I like it. The only downside to me would be security of the bag. On long drive vacations, we tend to stay overnight at a hotel for one night to break it up for the kids. I take my valuables into the hotel with us, but I don't like having to unpack the entire car just to sleep for one night. I would be concerned over someone cutting the bag open with a knife. I suppose even a hard top with a lock could be broken into, but it's a little more of a deterrent. For straight through trips though, I like it. Nice work.
 
I'm relaxed. I was just pointing out a few things and asking questions. No criticism.

Your reason for adding the extension makes perfect sense. And if that one was the best you found for looks and features, then the extra weight capacity doesn't matter. I just wanted to make sure the group understood that they shouldn't exceed tongue weight, just because a rack can handle more.

It's a very nice looking unit. It's too bad you had to raise it, since our CX9s require very little space for the liftgate to open.
 
Thank you for the comments. I. like you, would be concerned leaving the bag on the carrier unattended. My thoughts were to pack fold-over suitcases, etc into the bag, where it could be unloaded and removed in a matter of a couple of minutes. Another thought is that everyone could have their own plastic tote in the carrier bag, and each guy grab his own on the way in - driver dismounts the bag, and throws it in the back of the CX. This is one of those things where the more you use it, the more uses you find for it.

The provision for the plate on the carrier will remove the question of license, but I am not looking forward to the pain of moving it. In Texas, my guess is a state trooper might have a problem with the hidden plate if they stopped you for something else. I've found most of those guys and gals are pretty reasonable - unless we give them a reason to become unreasonable. However, the law is the law, and one could be cited. I would hope there is a difference in hauling mulch home from Lowe's, and hauling this bag down the highway from San Antonio to Minneapolis. Then there is the issue of once moved, the tag needs to be lit up . . . and on and on, and on.

Thanks again for your kind words - Chuck
 
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I'm relaxed. I was just pointing out a few things and asking questions. No criticism.

Your reason for adding the extension makes perfect sense. And if that one was the best you found for looks and features, then the extra weight capacity doesn't matter. I just wanted to make sure the group understood that they shouldn't exceed tongue weight, just because a rack can handle more.

It's a very nice looking unit. It's too bad you had to raise it, since our CX9s require very little space for the liftgate to open.

Yes, you're absolutely right about exceeding the TW. Its easy to start justifying that tongue weight is like bridge loads, about 150% conservative. We just have to understand the weakest link's maximum and load from there. Again, raising the unit was my preference, not a mandated mechanical function.
 
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Looks good!

Is this the factory hitch or is it one you installed? We have the factory hitch and it is only 1 1/4" hitch, not the 2" hitch. I'll have to look and see if they offer this in the 1 1/4" size.
 
Looks good!

Is this the factory hitch or is it one you installed? We have the factory hitch and it is only 1 1/4" hitch, not the 2" hitch. I'll have to look and see if they offer this in the 1 1/4" size.

My hitch is the Curt, and is a Class III. As Sportowner pointed out the rack is available in both size configurations. There are others that will fit also, but I sure like the 1/8th expanded metal in the Rola. Go look at the width of the deck ribbons in my shot of the carrier on the vehicle without the bag, and you'll see what I'm speaking of..

This was never a crusade like "got a Mazda, get a carrier" but I knew there had to be some folks that wondered about having one. I also knew that when you Google the subject all you get is people trying to sell you something they've never used!

The good news is that if you have the hitch you're already wired, and the carrier lights mimic trailer lighting exactly as far as the hookup is concerned.

Thanks for your post.
 
One Component Change

When I last posted to this thread, I was using a home-made riser, for which we had no load bearing specifications. Things like that make me a little twitchy, so I surfed around until I found what is (for me) a better solution. As you can see in the photo, the new one has two 2" vertical towers, and they are welded together on both sides, as well as being welded completely around the unions top and bottom. It's rated for 500 pounds tongue weight, which exceeds the vehicle and hitch limitations. Be advised that if you happen to order one for the CX-9, you'll need the over-length model to clear the curve of the bumper. As it happens, this one is an 8 inch rise, which is a pretty negligible increase over the original. This one was made by Night Shift Auto - in the USA! Once again this configuration is all class III, but one could do essentially the same thing with the stock hitch. I posted this change because nearly 1200 people have looked at it, and that indicates at least a passing curiosity on the subject.
 

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Cargo Carrier Revisited

We just finished a 1000 mile Thanksgiving trip with this carrier, and the Rola bag. By measurement the carrier was loaded with 112 pounds of boxed books we were taking to one of the kids. There was absolutely no difference in my mileage, however, I believe I could feel a slight - as in very slight - lightening of the steering. To be honest here, I'm not sure if I could feel it, or if I was expecting to feel it, and "made it happen." At any rate, it was a great way to carry extra goodies. Since it was the first time to really use it as intended.

It drew a lot of attention, especially from those with carriers up top on SUV's, who realized that getting items out didn't require mountain climbing skills as do the top mounts.

By the way I did use it with the PVC frame, which worked great.
 
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Thanks for answering him Wisconsin. I would have thought opening the photos would have answered that. By the way, I have used this enough now that I can't imagine how in the world I ever got along without one of these carriers. They sure save a mess inside the vehicle when carrying thing's like one or two bags of concrete, or mulch and potting soil for the boss. I also found a great place to store it is suspended from my garage ceiling. It's totally out of the way.
 
a few questions:

1) what are the model numbers of the anti-rattle devices that you use?

2) where did you buy the night shift auto hitch riser (having a hard time locating it)?

3) did you go with the stock oem wiring harness?

thanks to your thread i think i'm going to pretty much try to duplicate your setup.
 
Thanks for your questions, here are the answers you asked for, hope they help. Be sure and post photos of your completed work when you get it finished. Night Shift Auto, Inc., PO Box 861, 129 N. Kentucky, Iola KS. 66749: Ph: 620-365-7714 Toll Free 800-933-3372 Fax: 620-365-7488

Anti rattle (2 required on mine) see eBay auction 150644566119 (5 days left). I also used anti rattle pins top and bottom, so I have vertical and horizontal anti-rattle. The hitch pin model is: Trimax Anti-Rattle Hitch Pin TAR300

Wiring harness made by Kurt Mfg. Widely available at any hitch shop, or on eBay. Be advised of the special considerations within the thread regarding the requirement to have a hot lead directly from the battery, due to the low wattage provided to the tail lamp looms due to the use of LED's rather than bulbs.

Let me know if I can help somehow.
 
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drchuck,

thanks a lot for the information. i was actually pressured for time (leaving for a trip tomorrow), so i had to order my items without the benefit of your post. here's what i ended up getting:

  1. Neiko 3/8-Inch 10-80 Foot-Pounds Automatic Torque Wrench
    https://www.amazon.com (commissions earned)
  2. Curt Manufacturing 13575 Class III Receiver
    https://www.amazon.com (commissions earned)
  3. Curt Manufacturing 22272 2 Inch Trailer Hitch Receiver Cover
    https://www.amazon.com (commissions earned)
  4. Mazda OEM MAIN HARNESS KIT
    http://www.worldimpex.com/parts/mazda-main-harness-kit_3037189.html
    (i ordered it from my dealer, not online)
  5. Roadmaster High-Low Hitch Adapter - 8" - 10,000 lbs GTW 400 lbs TW
    http://www.etrailer.com/p-RM-048-8.html
    (i originally ordered the 10" riser, but it was back ordered)
  6. 2 x Tow Ready 63232 Silver Locking Silent Hitch Pin for 2" Receivers
    https://www.amazon.com (commissions earned)
    (this looks more like yours than the item you listed)
  7. 2 x Roadmaster Quiet Hitch for 2" Trailer Hitches
    http://www.etrailer.com/p-RM-061.html
  8. Rola 59502 2" Steel Cargo Carrier - 2 Piece
    https://www.amazon.com (commissions earned)
  9. Rola 20174 Red Cargo Carrier Light Kit
    https://www.amazon.com (commissions earned)
    (i didn't see the led light kit at etrailer until later. oh well, this was $20 bucks cheaper).
  10. LED Trailer License-Plate Light w/ Mounting Bracket, 2 Wire, 5 Diode - Clear
    http://www.etrailer.com/p-LPL55CB.html
  11. 3M SCOTCHLOK Quick Splice Wire Connector - Blue Gel - 14-18 AWG Qty 1
    http://www.etrailer.com/p-804C.html
    (for splicing license plate light into cargo carrier light wire)
  12. Rola 59102 Expandable Hitch Tray Cargo Bag
    https://www.amazon.com (commissions earned)
  13. 4 x EverTUFF 1/2 in. x 10 ft. CPVC Pipe
    http://www.homedepot.com/Plumbing-P...splay?langId=-1&storeId=10051&catalogId=10053
    (i chose cpvc for the internal bag frame because it came in a smaller size than the smallest standard pvc pipe)
  14. 8 x NIBCO 1/2 in. CPVC Pressure 90-Degree Slip x Slip Elbow
    http://www.homedepot.com/Plumbing-P...Id=10051&catalogId=10053&superSkuId=202905013
  15. 12 x NIBCO 1/2 in. CPVC Pressure Slip x Slip x Slip Tee
    http://www.homedepot.com/Plumbing-P...Id=10051&catalogId=10053&superSkuId=202904936

so far, i have:

  • built the internal frame for the bag
    i should have bought one of these

    https://www.amazon.com (commissions earned)

    to save some time and my back, sawing all of those cpvc lengths
  • installed the curt hitch
    i don't know how everyone did this in 30 minutes--it probably took me a good 90 minutes. then again, i did it by myself and without raising the backend at all.

    i spent awhile trying to figure out how to get it into place without bending the heatshields (which i did end up bending anyway). then i had to use both arms, a knee, and other various body parts to get that thing in place.

    also, this was the first time i'd ever used a torque wrench. man, 65 lb-ft is a lot of force. the first couple of bolts, i kept thinking, "is this cheapo torque wrench working right?" i was really expecting the head of the bolt to twist right off.
  • assembled (partially) the rola cargo carrier
    wow, this thing is heavy. i couldn't tighten all of the bolts completely because i only have a metric socket set. i'll have to finish that tonight after getting an sae socket set.

all i have left to do is the wiring. i'll try to get some pictures up after i finish (maybe not until after i come back from my trip).
 

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