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Old 11-10-2007, 12:08 PM   #15
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Quote:
Originally Posted by thecatsandi
Ok thats great for a small trailer. How about the larger ones? 27 and up.
To answer that question you will need to read the articles (test report) in RV Lifestyle magazine that was done a few months ago. They tested all sorts of different TV's, towing a Hensley equiped 34' Airstream.

The results were an eye opener. Small, lighter vehicles out performed the large heavier ones in emergency lane changes and emergency avoidance maneuvers. Very interesting to say the least.
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Old 11-10-2007, 12:15 PM   #16
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Quote:
Originally Posted by markdoane
". . at the end of the day, there was no comparison.."

I agree with the last line in the video. There was no comparison because they don't provide a link to a written report, explanation of test conditions (other than it was a clear, warm August day), or even show a side view of the sob/tow vehicle hitched up.

I'm a skeptic until I see a written report. To me it's just a cute marketing video.
The SOB sure bounced around on the slalom course. Made me wonder if the weights for each were the same. That would make a difference as to tracking... of course, perhaps that's precisely the point. Just wondering what all we're comparing with all things being equal...

Thanks for the video, gardenofjoy.
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Old 11-10-2007, 12:36 PM   #17
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All I can say is with nearly 6 tons of rig moving 50mph with 100' of space, simply braking was NOT going to do it.

What happened to me was even more pronounced than what was in that video. I can tell you first hand, regardless of what the SOB did, my Safari followed as if it were on rails and I will be very frank here...I'm not one to panic behind the wheel, but I really and truely pushed the envelope with this manuver, no question about it.

When you have a significant sized trailer with some weight behind it, I am uncertain that a lighter more nimble tow vehicle would have been better. I could feel the slight resistance the Safari had on the TV in this manuver, yet the 3/4 ton Suburban kept it on track, though I will be the first to admit, the Airstream's suspension and design also most likely played a significant role as well. I was however, extremely impressed with how nimble the Suburban actually was in this event. Six tons combined moving at 50mph with 100' (about 5 full size car legnths), anti-locks kicking in and a significant steering change....I'm not sure I could have asked for better results and performance from what clearly was going to be carnage.

Folks can go round and round about this video, tow vehicles, etc.... but I am here to tell you all that regardless of what the SOB did, my Safari did exactly what was on that video, even under more robust lane changes than were found in that video.
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Old 11-10-2007, 04:48 PM   #18
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I had the same thing happen to me, last summer, with the same results. (brake slam, quick lane change...no problem-0). I wonder how much credit goes to my dual-cam. as the trailer straightened out behind the truck after the lane change, I though I felt a "thunk", as the bars snapped back into the cams...almost like a pocket knife blade "snaps" into place as its opened. In any case, everything worked as its supposed to.

I wonder if those test vehicles had any anti-sway, and if so, what type?
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Old 11-10-2007, 04:58 PM   #19
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I think some credit for the dual cam is in order too. I took Andy from Inland's advise and with the 3/4 ton, dropped my bars down to either the 600s or 650s. I started with the 1200s I got from the dealer when I got the Bambi when I towed with the Impala and just carried 'em over when I got the Safari and the Suburban. Since going to the burb, I tried the 800lb bars and finally the 600 range, and found that the 600s with my setup seem to be a bit more useful. I really think there is something to the overhitching thing, but for sure, the dual cam setup I'm sure also helped.

Hope I never have to see the trailer behind me in one of these again, but it's nice to know it's there if I need it.w)
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Old 11-10-2007, 09:59 PM   #20
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I don't think anyone even passingly familiar with Airstream would have been surprised by this video. Like others, however, I'd sure like to have seen some comparative data. I wonder about weight, even, "does that cheap box have shock absorbers?", for it would make a significant difference.

There are, I'd imagine, some SOB's with independent suspension and disc brakes, the biggest factor that would narrow the gap. Second, low center of gravity and weight distribution are the Airstreams trump card past this (except with slide-outs; let some of those porky pigs -- including A/S -- do that slalom.

There are some poor, very poor trailers out there and there are some decent ones. There are also good, better and bad Airstreams to put to that test.

For real fun, let's just have Can Am RV set up the hitches -- Hensleys -- on both rigs. That video won't be as dramatic, then. But it will still be accurate overall.

I'm fairly certain a non-slide-out 34' Airstream would be faster through the slalom than my 35' Silver Streak, even though the GVWR on mine is 3,000-lbs less than a current Classic. But I wonder how much slower . . . .

For what it's worth, I can run double lane changes all day and not have the trailer cut loose. But an Airstream could do it at a higher speed. Since I don't run any faster than 62-63 mph it seems moot. I wouldn't run faster with an Airstream.

Still, I plan to look into MOR-RYDE's I/S retrofit, as well as disc brakes. Some things are just flat worth it.
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Old 11-11-2007, 04:35 PM   #21
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Quote:
Originally Posted by Silvertwinkie
All I can say is with nearly 6 tons of rig moving 50mph with 100' of space, simply braking was NOT going to do it.

What happened to me was even more pronounced than what was in that video. I can tell you first hand, regardless of what the SOB did, my Safari followed as if it were on rails and I will be very frank here...I'm not one to panic behind the wheel, but I really and truely pushed the envelope with this manuver, no question about it.

When you have a significant sized trailer with some weight behind it, I am uncertain that a lighter more nimble tow vehicle would have been better. I could feel the slight resistance the Safari had on the TV in this manuver, yet the 3/4 ton Suburban kept it on track, though I will be the first to admit, the Airstream's suspension and design also most likely played a significant role as well. I was however, extremely impressed with how nimble the Suburban actually was in this event. Six tons combined moving at 50mph with 100' (about 5 full size car legnths), anti-locks kicking in and a significant steering change....I'm not sure I could have asked for better results and performance from what clearly was going to be carnage.

Folks can go round and round about this video, tow vehicles, etc.... but I am here to tell you all that regardless of what the SOB did, my Safari did exactly what was on that video, even under more robust lane changes than were found in that video.
i understand... there will be unavoidable scenarios even when thinking three moves ahead...

without hijacking the thread... silver, what was your exact hitch equip/setup with that emergency manuver?

next question... how many of you would attempt these manuvers in an empty parking lot (with your current rigs, of course)

my last and final performance vehicle (when i was a bachelor), i took to MIS to find out the performance specs for myself... even without a G indicator, that was an eye-opener

... a mans got to know his limitations...
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Old 11-11-2007, 05:38 PM   #22
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Originally Posted by REDNAX
For real fun, let's just have Can Am RV set up the hitches -- Hensleys -- on both rigs. That video won't be as dramatic, then. But it will still be accurate overall.
Can Am does very similar testing with various vehicles and trailers. Many of us here in the area have seen the tests on monitors at the annual RV shows. Any towing enthusiast would delight in seeing and reading about these kinds of tests.

Here is a taste of the article that was written in RV Lifestyles magazine a few issues ago. RV Lifestyle - Hitch Hints

It was once written that an Airstream in most cases will slide sideways on dry pavement instead of rolling. In situations where they have rolled investigaters usually determined that the TV rolled first, taking the Airstream with it.
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Old 11-11-2007, 06:51 PM   #23
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Having towed a fair number of SOB's I have never felt that they were ever fully in complete control out back. I've also towed cars many times on trailers and the trailer combo felt secure and as capable as the TV.

The first thing I noticed towing my OLD Airstream home was how it seemed glued to the back of the Trailblazer. I'd never had any SOB feel that way and even with the Trailblazer we'd towed a few.

Behind the '57 Pontiac, which itself is lowered, the trailer is like a slot car right behind the one in front. I've had a couple of very close calls with folks trying to take pictures of the car and trailer going down the highway and suddenly realizing they are about to hit something and over they come and so far (and let's hope this continues to be the outcome) I've been able to steer/brake my way out of it.

And as 2'air notes, he was there to see at least some of what transpired so we know directly from a fellow forum member that they weren't playing games that day.

THIS is the kind of video I just LOVE sending to my SOB loving brother, heh, heh, heh......I greatly appreciate having it. Mucho thanks,

Barry
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