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Old 12-10-2015, 08:25 AM   #1
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Ram Dually, High Winds, Heavy Fiver

Sometimes it just doesn't matter how well you are prepared, how good your equipment is and how experienced you are. Bad things can happen. This fiver was on its way to the dealer from the factory when a gust got ahold of it.

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Bruce
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Old 12-10-2015, 08:34 AM   #2
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Dear Mr. and Mrs. Smith, there will be a slight delay in delivery of your Redwood.
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Old 12-10-2015, 08:50 AM   #3
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Sometimes it just doesn't matter how well you are prepared, how good your equipment is and how experienced you are. Bad things can happen. This fiver was on its way to the dealer from the factory when a gust got ahold of it.

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Bruce

Any idea how high the winds were?

I don't mean to flame the transport drivers as a whole, but I travel daily on a 60 mile section of the PA turnpike and I usually come upon RV's being transported a couple of time a week. A fair percentage of those transporters are not the most careful and courteous drivers on the road from what I have witnessed. Also, since most ST tires have a 65mph limit on speed you would think that professional transporters would know and follow that? Not really.
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Old 12-10-2015, 09:49 AM   #4
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I transport trailers for a living. 10 years with mno vehicle or trailer accidents. Yes, I have hit a few deer. I do agree that some drivers are terribly inexperienced and those are usually the ones with the bad attitudes. If the weather is making you uncomfortable. .......find a place to stop!
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Old 12-10-2015, 09:56 AM   #5
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I transport trailers for a living. 10 years with mno vehicle or trailer accidents. Yes, I have hit a few deer. I do agree that some drivers are terribly inexperienced and those are usually the ones with the bad attitudes. If the weather is making you uncomfortable. .......find a place to stop!
"I don't mean to flame the transport drivers as a whole"

I hope you did not take offense? Didn't mean to offer any.

You're not delivering a Rockwood Roo to Pittsburgh today or tomorrow are you?
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Old 12-10-2015, 10:14 AM   #6
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"I don't mean to flame the transport drivers as a whole"

I hope you did not take offense? Didn't mean to offer any.

You're not delivering a Rockwood Roo to Pittsburgh today or tomorrow are you?
Absolutely NO offense taken.
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Old 12-10-2015, 10:26 AM   #7
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This happened on I80 in Montana or Wyoming. High wind warnings were in effect.

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Old 12-10-2015, 10:56 AM   #8
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I've seen the wind flip a few semi's and even a couple of train cars in Wy.

A slightly windy day to those folks is a hurricane to us. :-)
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Old 12-10-2015, 12:35 PM   #9
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if the wind can turn one over standing still (it happens) then rolling down the freeway will make no difference at all.

Mathematically, (using Turbs' new 320RS as an example) you have a length of 38 feet and a height of 12.5 feet. The roof slopes, so lets figure an average height of 11.5 feet. That gives you a skosh over 435 square feet of sail area. With a GVWR of 14300 that works out to 32.75 pounds per square foot, or .22 pounds per square inch of sail area.

Using the conversion of PSF/.00256 (standard PSF to MPH at sea level formula) you can see that to completly offset the weight of the camper you need about 112 MPH. At that point, you probably got bigger problems than worrying about your camper. But it only takes about 61MPH to display 1/3 of that campers weight. 61 MPH crosswinds are common in certain locations. If you hit one, you just side-loaded your truck to the tune of about 4300 lbs. (not including the sail area of the truck itself). Look at it this way. You will now have a GE J85 Turbojet engine in afterburner sitting cross ways on your pin box. You WILL depart your direction of travel. And while I cant calculate the center of mass of the camper, as it is higher than the center of rotation (the road) in the roll axis, you have also generated a significant roll moment. If your center of mass height is over 1/3 the total height, then that would be enough to roll you over on your side.

Driving skill, attention or experience has nothing to do with it.

Tim
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Old 12-10-2015, 12:49 PM   #10
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Wink Wyoming Windsock (located at Nat'l Weather Service Office in Cheyenne, WY)

Welcome to Wyoming!
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