Strapping a queen mattress box spring on the roof racks? - Toyota RAV4 Forums
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#1 (permalink) Old 01-26-2007, 03:35 PM
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Strapping a queen mattress box spring on the roof racks?

I am going to pickup a queen size mattress and box springs and my dad is going to take the mattress part in his van but the box springs won't fit in his van because they don't bend like a mattress does.

I am planning to strap the box springs to the roof rack on my rav4 and tie them down with a bunch of rope. I also plan to drive this down the highway.

Can the roof racks and roof take the strain of this? I've never had a car with a roof rack before so this is new territory for me...
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#2 (permalink) Old 01-26-2007, 03:51 PM
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The manual says not to exceed 102 lbs on the roof luggage carrier, and do not exceed the vehicle overall length or width. You be the judge and take it from there......

OC
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#3 (permalink) Old 01-26-2007, 04:03 PM
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The box spring probably weighs 30 pounds at the most, they are pretty light. When you factor in air pressure from driving on something like that I'm sure it goes way up...

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Originally Posted by OCInsomniac
The manual says not to exceed 102 lbs on the roof luggage carrier, and do not exceed the vehicle overall length or width. You be the judge and take it from there......
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#4 (permalink) Old 01-26-2007, 09:28 PM
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My gut reaction is, OK, do it (if not more than the weight limit).

But be sure to secure it with plenty of strong rope. Make sure it can't twist off sideways, or go flying if you stop short. The air pressure will not make it appear as more weight, but will try to rip it off the roof. Keep speeds low if you can.
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#5 (permalink) Old 01-26-2007, 10:06 PM
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I personally wouldn't do it at all, but I think you could get away with it at slow speeds. The air resistance goes up with by the 4th power as speed increases, if my brain is working correctly at the moment... The air loads at 65 mph are way WAY higher than at 35. I doubt if the typical stapled splintery pine box spring would even stay together for long when subjected to those forces and strapped down tight. You would most likely end up with a busted box spring or possibly a bunch of kindling and springs in a bag.

Your insurance company "may" give you problems if it comes off and flies through someone's windshield, since carrying a box spring on the roof of a compact car is not generally considered safe or reasonable.

Think about it.

Don't you know someone with a pickup that you can borrow? Or just rent one from Avis for a couple of hours.

John E Davies
Spokane WA USA
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#6 (permalink) Old 01-26-2007, 11:08 PM
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if you go super slow you'd probably be fine. i've bought a couple of beds and had em on top of our minivan old no problem; just secure it good and don't go 65mph - go nice and slow and you should be fine...

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#7 (permalink) Old 01-26-2007, 11:40 PM
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Throw your hazards on and stay under 55mph... you'll be fine. Just strap it down tight... especially the front so you don't look like the guy on seinfeld. -J
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#8 (permalink) Old 01-27-2007, 02:08 AM
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please take pics and post results.
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#9 (permalink) Old 01-27-2007, 09:48 AM
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Quote:
Originally Posted by jmhunter
please take pics and post results.
OK, if I decide to get the mattress I'll let you guys know how it goes.

ALso, I do have a ton of rope and those wench things so I am sure I could secure it safely.
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#10 (permalink) Old 01-27-2007, 05:34 PM
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The air pressure is directly proportional to the square of velocity.

I don't remember if you mentioned going on the highway. That would be a big no no in my book. I transported a boxspring on my ex-Jeep a few months ago. It was wrapped in plastic and by the time I was doing 25 mpg there was some serious wind noise coming from it.

So, if you do do it, just keep it very slow and let folks drive around you as needed.

Or, rent a pick-up truck from Lowes for $20 a day. Right?
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