Sgeorge wrote:
My Keystone has the tank suspended in the frame and I have traveled many many miles of roads in Baja California with a full tank of water with zero issues. If you know anything about Baja, it is a stretch to even call them roads. My point is that there are hundred of thousands of TT going down the rod with full tanks of water with a very few in actual numbers of tanks falling out. The point being it is a very small percentage. Do I believe that people should look at their setup, Yes. The internet tends to make small issue look huge because the people with problems post and the majority of people that don't have issues do not post. This skews the topic towards the bad. By the way the majority of the posts on this thread that have had issues are from the same few people.
Nothing is skewed......look at the subject of the post. The OP asked about Rockwood and Flagstaff, not Keystone, Northwood, or anything else. Also people commenting who have rigs of the 2010 model year or earlier is not applicable, as after 2010 Lipperts inroads into the RV frame monopoly grew exponentially. Rockwood and Flagstaff use standard Lippert tank supports for the fresh water tanks. Lippert part numbers 251695,242650, or 218501 as do many other Forest River brands, certain Keystone brands, Grand Design, Heartland and quite a few other.
Lipperts design is a piece of 14 gauge plate bent into an angle with 1-1/4" legs. Two of these span from frame rail to frame rail. One is welded into place, the other attached with cheap tek screws. Spanning from each of these cross members are some lighter 1" angles that simply clip into slots punched in the crossmember pieces and are meant to support the tank bottom. The cross members are too light for the job and under weight of a filled tank deflect downward. When that happens the tie pieces come out of the slots and either go bouncing down the road or end up laying on top of the underbelly. Once they come loose this allows the main members to not only deflect downward but also deflect laterally, and that's when the real issue happens.
Go to the manufacturer specific boards and you can find plenty of examples. Most have one thing in common, Lippert Components. Most people who own these things never visit a forum, or have never looked at their sagging underliner when the tank is full. They certainly have never looked above that liner. Make light of it all you want. That's your prerogative even though it's clear you know nothing about the issue.
