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Old 07-19-2022, 01:25 PM   #1
wiredgeorge
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Interesting gizmo to avoid blow out damage?

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Old 07-19-2022, 02:31 PM   #2
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https://www.keystoneforums.com/forum...highlight=Blow
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Old 07-19-2022, 03:44 PM   #3
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Quote:
Originally Posted by chuckster57 View Post
I do recall this thread you have pointed out. The reason I posted the video is that it shows the effect of a blowout while in use. I recall there was some reluctance by some of our more astute members regarding the ability of this gizmo to actually provide significant protection during a blowout.
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Old 07-19-2022, 05:53 PM   #4
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Here's the link to the original "RV De-Fender" thread: https://www.keystoneforums.com/forum...ad.php?t=51017
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Old 07-19-2022, 07:13 PM   #5
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Originally Posted by JRTJH View Post
Here's the link to the original "RV De-Fender" thread: https://www.keystoneforums.com/forum...ad.php?t=51017
Did you look at the video as they demonstrate their gizmo during an actual blow out. Wasn't the general response initially that this gizmo would do no good?
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Old 07-20-2022, 05:34 AM   #6
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Originally Posted by wiredgeorge View Post
Did you look at the video as they demonstrate their gizmo during an actual blow out. Wasn't the general response initially that this gizmo would do no good?
No, I don't think it was an overall "This would never work", rather there was concern with the potential damage a "flopping, high speed tread" would do to sheet metal, potentially making the "swinging part" bigger, heavier and doing more damage, if the tire tread wraps around this gizmo, rips it off and causes it to start doing damage as well.

To me, tire cages used in tire shops are "steel/pipe cages" designed to contain the "explosion" from a blown tire. In those cages, which are built much stronger than this device, the tire is not turning or "slapping the trailer wheelwell", rather in the cage, the tire is stationary.

The question, at least for me, is whether the rotating tire with tread still attached would be contained or whether the RV Defender would contain the "in motion tread" and/or be damaged and possibly add to the trailer damage.
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Old 07-20-2022, 05:54 AM   #7
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$1800 for four of them
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Old 07-20-2022, 09:01 AM   #8
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$1800 for four of them
That's significantly less than an $8000 repair bill, but SIGNIFICANTLY more than a $500 deductible.... Personal choices and personal decisions, eh ???
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Old 07-20-2022, 09:05 AM   #9
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$1800 for four of them
If it makes you feel better, put in your will that someone has to remove them from your camper and stuff them in your coffin with you. Geesh, for a wealthy guy $1800 is nothing. For a guy like me, it would double the value of my trailer !
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Old 07-22-2022, 02:53 PM   #10
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I'd rather spend money on quality tires at the appropriate intervals.
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Old 07-22-2022, 07:46 PM   #11
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I'd rather spend money on quality tires at the appropriate intervals.
Same here!
That $1800 equals 3-4 sets of quality tires that last typically 5 years per set so conceivably 15-20 years worth of tires. Or 2 sets/10 years worth of tires & a good quality TPMS that last forever.
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Old 07-22-2022, 09:05 PM   #12
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Originally Posted by travelin texans View Post
Same here!
That $1800 equals 3-4 sets of quality tires that last typically 5 years per set so conceivably 15-20 years worth of tires. Or 2 sets/10 years worth of tires & a good quality TPMS that last forever.
Quality tires for $125 ea? Not sure about that!
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Old 07-23-2022, 08:23 AM   #13
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Quality tires for $125 ea? Not sure about that!
Maybe not! My point was I wouldn't pay $1800 for those doodads!
I think they would do a good job at lower speeds, which that appears what they're doing in the video, let's see it in action at 65-70 mph.
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Old 07-23-2022, 08:37 AM   #14
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But isn't something better than nothing? It seems to me that anything mounted between the tire and trailer would help to limit damage to some degree. I've thought about getting some basic, metal trailer fenders and figuring out how to mount them as preventive maintenance. I also have a roll of sheet metal that I've thought about screwing up above the wheels to help prevent a blowout from shredding the material up there...although it wouldn't do anything to protect the trailer skirting.

I have Sailuns but there's never a full guarantee that one won't just blow out some day so I've been thinking about doing something proactively. I wouldn't spend that amount of money for RV Defenders, but the idea isn't a bad one...IMHO
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Old 07-23-2022, 10:41 AM   #15
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Of course, negative members will be negative. I didn't recommend this product only pointed out it could provide some protection in a blow out. When initially shown on this forum, there were no videos of a blow out. Does anyone think that with premium tires (Sailun, Carlisle, Goodyear) there is no chance of a blow out even if the tire is fairly new and has been inflated properly and using a TPMS? If a tire blows, it WILL cause damage and we have seen many posts where this damage can be very expensive.

I use premium tires and a TPMS but would like to see a product of this sort in a more reasonable price range. Would it help save damage if I were towing 80 mph and a tire blew? Not sure but I personally would feel better than with nothing more than the OEM fender liner. If you don't think this product will work, push come shove, then don't buy them.
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Old 07-23-2022, 11:10 AM   #16
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Wouldn't say there's negative members, but there are those that look beyond to see what could happen.
There are only 4 -5 3/8 size bolts holding that gizmo to the brake backing plate, all I can visualize is it getting hung up in a tire carcass & ripping the whole mess off then you've got rubber & metal chunks flopping around.
Yep! There's no guarantee that any brand of tire won't blowout!
Yea I'm also one of those that think a 35lb 5th wheel hitch, although have never used one, is a bit too lightweight for a 16500lb 5er & I can also see with this blowout gizmo the biggest benefit is to the company selling them for $1800.
But you're exactly correct it's my choice & I won't/wouldn't buy the flimsy hitch nor these overpriced gizmos.
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Old 07-23-2022, 12:45 PM   #17
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Some baits catch fish. Some catch fishermen.
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Old 07-23-2022, 12:53 PM   #18
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Some baits catch fish. Some catch fishermen.
I like that..... Probably that's why there's such a HUGE assortment of "purdy baits" hanging in every tackle store. There's the ones "everybody uses" and there's the ones that "catch your eye and make it to the checkout counter", get put in tackle boxes <for when the good ones aren't working> and I think we've all got "half a tackle box full that have never been wet"..... YMMV
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Old 07-23-2022, 01:49 PM   #19
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As far as those tire protectors go I've had a blowout; tire goes flat and frazzles out and I've had a separation where the tread completely comes off the tire, distorts and begins tearing everything to shreds...literally.

I'm not convinced this defender would do much good in the latter situation and if it broke off and started flinging itself around, oh boy. Probably if a person could see them up close and feel them but looking at them they look too flimsy. That last example however did appear to possibly be a tread separated from the carcass. If so it did a pretty good job.

I'm thinking I'll stick with the uhmw liners inside the wheel well for primarily water protection but hopefully to mitigate damage from a blowout.....and SO much cheaper!
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Old 08-11-2022, 09:59 AM   #20
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so with all the blow out talk....

why not put regulars passenger truck tires (i have not had a blow out ever) on the trailer ???
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