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Old 05-16-2018, 03:05 PM   #1
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Itasca rock guard

I have a 2005 Itasca Meridian with a gigantic, full width mudflap in the rear with chrome “Itasca” signage on it. This thing weighs about 80# and is always in the way when dumping airbags to level up. Over the years, I have added reinforcement at the hanger points to keep it from falling off and added an electric actuator to lift it prior to leveling. I have it off the coach now while I am in the middle of radiator and cac removal but wonder if I really need it back on there. Our toad gets rock chips even with this flap plus Guardian rock shield plus two small mud flaps behind each set of duals. My question is to those who have removed this flap — are you noticing more rock chips? Also are there better mudflaps to replace the ones behind the duals like maybe longer down to the pavement? The stock flaps are 4 to 5” above ground. Thanks Jim
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Old 05-16-2018, 04:12 PM   #2
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After being damaged I removed mine and other than vanity see no need for it. The mudflaps behind the rear tires are necessary in my opinion and do provide protection from flying road debris. The large flap has been discussed before on here and you will probably get a variety of replies.
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Old 05-16-2018, 04:54 PM   #3
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After being damaged I removed mine and other than vanity see no need for it. The mudflaps behind the rear tires are necessary in my opinion and do provide protection from flying road debris. The large flap has been discussed before on here and you will probably get a variety of replies.
I agree with Jerry,
I removed mine on our way to Alaska because the toad was covered with stones everyday. After removing the flap, no more stones.
Over the next 20K plus miles with no flap, no screens, no rock guard, I have still the same OEM windshield in my CRV and zero stone chips on the front end.
The flaps behind the rear duals are all that's required.
You will also notice the toad stays cleaner for an added bonus.
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Old 05-16-2018, 05:27 PM   #4
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Mine is long gone and don't miss it at all. Both post's above x2.
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Old 05-16-2018, 09:15 PM   #5
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Hey that is great news and thanks everyone for the replies, plan to bolt mine to the wall in the barn and see if I can extend the ones behind the duals.
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Old 05-16-2018, 09:58 PM   #6
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Hey that is great news and thanks everyone for the replies, plan to bolt mine to the wall in the barn and see if I can extend the ones behind the duals.
Our coach is almost a sistership to yours. It's an '04 Itasca Horizon 36GD with the C-7 330HP CAT. WITH the full length mud flap, CHIPS. WITHOUT, no chips. It's been hanging alongside my shed now for about 3 years and, we've all but eliminated all chips in both our toads. Every once in a while, I might see one appear. But, nowhere near what we used to acquire with that ultra heavy piece of rubber back there. Very glad I removed it. Should have done it when we bought the coach, about 7 years ago.
Scott
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Old 05-16-2018, 11:28 PM   #7
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Leave. It. Off.
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Old 05-16-2018, 11:31 PM   #8
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I keep hearing the stories of removing the big flap and getting more chips stories, and simply cannot figure out how that can be? Can someone explain the physics of why this is?

To me its a second barrier to keep from kicking things at the car, and so far..... the CRV has no damage whatsoever. I like my flap and would likely replace it if it ever fails. At least theres a stash of them out there hanging in garages..
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Old 05-17-2018, 07:16 AM   #9
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The big long flap actually strikes the ground and all it's associated debris and flicks the debris into the air and onto the toad. (how's that for a long sentence)
Stan
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Old 05-17-2018, 10:43 AM   #10
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I keep hearing the stories of removing the big flap and getting more chips stories, and simply cannot figure out how that can be? Can someone explain the physics of why this is?

To me its a second barrier to keep from kicking things at the car, and so far..... the CRV has no damage whatsoever. I like my flap and would likely replace it if it ever fails. At least theres a stash of them out there hanging in garages..
Jeff,
About 99.99% of the threads/posts I've read all state that LESS to NO chips are encountered after the removal of the big flap. Mine included. I'm without a doubt, no physics or wind-tunnel techno expert by any means. But, I kept reading and reading that folks developed waaaaaaaaay less to zero chips AFTER the removal of their long flap that I had to make a go for it. Well, prior to the removal of it, I had plenty of chips on our truck that we towed.

But, AFTER the removal, the new Jeep we tow and our other toad, the truck, pretty much have received almost zero chips. Of course it's still possible to get some due to inevitability but, the count is seriously down.

Now, just EXACTLY why or how does this removal of the extra large mud/dirt/debris flab cause less chips (as reported by, again, many of us) I have no clue. All I know is, less to almost zero chips.
Scott
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Old 05-17-2018, 06:16 PM   #11
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Jeff,
About 99.99% of the threads/posts I've read all state that LESS to NO chips are encountered after the removal of the big flap. Mine included. I'm without a doubt, no physics or wind-tunnel techno expert by any means. But, I kept reading and reading that folks developed waaaaaaaaay less to zero chips AFTER the removal of their long flap that I had to make a go for it. Well, prior to the removal of it, I had plenty of chips on our truck that we towed.

But, AFTER the removal, the new Jeep we tow and our other toad, the truck, pretty much have received almost zero chips. Of course it's still possible to get some due to inevitability but, the count is seriously down.

Now, just EXACTLY why or how does this removal of the extra large mud/dirt/debris flab cause less chips (as reported by, again, many of us) I have no clue. All I know is, less to almost zero chips.
Scott
If you have ever followed a coach with the big flap you will notice as the coach goes through dips in the Road,the flap will sometimes touch the road surface and cause a spray of debris off the road. Even if the flap doesn't actually contact the Road, just the swirl of air off the flap will throw debris up.
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Old 05-17-2018, 07:26 PM   #12
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If you have ever followed a coach with the big flap you will notice as the coach goes through dips in the Road,the flap will sometimes touch the road surface and cause a spray of debris off the road. Even if the flap doesn't actually contact the Road, just the swirl of air off the flap will throw debris up.
Exactly! Like a fan.
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Old 05-17-2018, 08:46 PM   #13
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If you have ever followed a coach with the big flap you will notice as the coach goes through dips in the Road,the flap will sometimes touch the road surface and cause a spray of debris off the road. Even if the flap doesn't actually contact the Road, just the swirl of air off the flap will throw debris up.
Well,
This is not an argument but merely stating an opinion on your statement. Yes, I have followed many, many RVs with full length mud flaps, including my own coach. Physically, the problem I see with your theory is, the coach is moving forward and, therefore the mudflap is moving forward too. And, so would the air or, turbulence that is around/under that flap. Now to me, somewhat thinking a bit logically, that would mean that, anything like a small rock/gravel etc. that gets moved due to that turbulence, would be somewhat drawn forward, not back backward.

But, even my theory is wrong too because, as I stated in an earlier answer, I reduced the amount of chips in our toads, tremendously due to the removal of that flap. So, maybe you are right. And as has been stated on more than a few threads on this subject, flap = chips, no flap = no chips.
Scott
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Old 05-18-2018, 06:44 AM   #14
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Scott,I think your theory is correct. The coach is moving forward and so is the mudflap, thus the forward moving turbulence is sucking the road debris forward. UP and forward to be precise . Alas, all things must come to an end and so it is with the UP and forward moving debris. MY theory is that when the debris is all done with the fun of riding along, it simply falls back to the concrete AFT of the forward moving mud flap and bounces up and into the suction of the closely following toad.
BUT it's kinda early to be theorizing stuff, so remember that my theory is worth exactly what you paid for it. In other words, my theory and a bus ticket will get you a ride home
Stan
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