Good Sam Club Open Roads Forum: Rear Bumper Storage - how bad is it?
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 > Rear Bumper Storage - how bad is it?

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vtraudt

Brighton, MI

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Posted: 09/08/21 06:44am Link  |  Quote  |  Print  |  Notify Moderator

The easiest place to make more room for stuff is the rear of the trailer. I used a large platform on all my Class C RV.

But now with travel trailer, any mass added 'back there' is not just reducing the tongue weight (which could be compensated by relocating items).

But adding mass so far away from the center adds a LOT of inertia to the trailer. I am wondering how much it can or will impact the towing stability and sway tendency.

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mleekamp

Washington, IL

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Posted: 09/08/21 07:01am Link  |  Quote  |  Print  |  Notify Moderator

When we had a TT (several actually), I always added a spare tire and bike rack. I could tell the difference, though not a huge one, when having 4 bikes back there vs. none. Never really towed w/o the spare.

I will note that in the front basement of our TT, near the hitch, I had a grill, hammock stand, all kinds of stuff...so with 4 bikes it did balance it out. So like you said, relocating items (my grill was originally stored in the back, but I moved to front) is a common fix.

As far as sway, we used a standard friction sway bar, and we had no issue. I think overall, in general terms, your initial set up is critical to an enjoyable tow. I'm talking 1st time with truck and trailer, loaded. I'm sure you know that. Personally, I'd be carefull adding too much weight back there.

BTW, our current Class C, I added a spare tire carrier and spare...the carrier alone was HEAVY -- solid steel -- to carry the 200lb (guestimate) spare tire. The carrier also allows me to still tow a car flat down or trailer. On the C, on a 450 chassis, I don't notice it at all. You probably experienced the same on a C...


2019 Jayco Redhawk 29XK Class C, Ford V10 E450 with Roadmaster Hitch Mounted Spare Tire holder, Bigfoot Hydraulic Leveling

GrandpaKip

Flat Rock

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Posted: 09/08/21 07:21am Link  |  Quote  |  Print  |  Notify Moderator

We carry between 60 and 100 pounds on the cargo carrier. With 100#, we are at 13% on the tongue. No sway or any other issues.
The carrier is frame mounted. I wouldn’t trust the standard “bumper” to hold more than a spare tire.


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Seon

Lake Camanche, CA

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Posted: 09/08/21 07:27am Link  |  Quote  |  Print  |  Notify Moderator

I added an aluminum tool box at the rear then added larger propane tanks, two batteries and a 2k generator up front to balance the weight.

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vtraudt

Brighton, MI

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Posted: 09/08/21 07:49am Link  |  Quote  |  Print  |  Notify Moderator

Seon wrote:

I added an aluminum tool box at the rear then added larger propane tanks, two batteries and a 2k generator up front to


Not afraid about the weight balance (I plan to add storage up front as well) or overall weight (we travel fairly light, plenty off weight 'room' to get to our 7500 lb trailer weight limit).

Obviously, under floor storage (near axle, or further to the front) would be ideal, but inconvenient (will add some 'shelf' down there for storing boards, battery relocation, spare tire and other stuff not often needed).

Only concerned about the increased sway tendency from the added mass so far away from center.

vtraudt

Brighton, MI

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Posted: 09/08/21 07:53am Link  |  Quote  |  Print  |  Notify Moderator

mleekamp wrote:


BTW, our current Class C, I added a spare tire carrier and spare...the carrier alone was HEAVY -- solid steel -- to carry the 200lb (guestimate) spare tire. The carrier also allows me to still tow a car flat down or trailer. On the C, on a 450 chassis, I don't notice it at all. You probably experienced the same on a C...


On my first class C, I mounted a HUGE wooden box (on wheels, serving as outdoor storage in the winter) to the rear frame (Chevy class C chassis, 25 ft, huge rear overhang). It was SO heavy, that going through road 'dips' it felt (or actual?) the front wheels came OFF THE GROUND. Also: front brakes locked up like CRAZY during emergency braking (no weight!). In retrospect: I was a nutty setup!

valhalla360

No paticular place.

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Posted: 09/08/21 07:59am Link  |  Quote  |  Print  |  Notify Moderator

If you mount it solidly to the frame and you keep the hitch weight up in the 12-15% range when the rack is loaded, I wouldn't worry too much.

The problems usually arise when someone starts with maybe 12% hitch weight and then they load up the back end resulting in something on the order of 8% and it becomes a carnival ride going down the road.

The bigger the trailer, the more likely you can absorb a couple hundred pounds on the stern while keeping a good hitch weight.


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profdant139

Southern California

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Posted: 09/08/21 09:40am Link  |  Quote  |  Print  |  Notify Moderator

One other issue is metal fatigue -- by mounting stuff in the far back, you increase the "lever effect" of the load. So as the back of the trailer shakes from side to side and up and down, there is a lot of stress on the place where the hitch receiver meets the chassis. Cumulatively, that stress can result in metal fatigue and structural failure.

This issue is not a deal killer -- just make sure that the components are sufficiently beefy and that the welding is done by someone with the necessary skills. Also, make sure that the frame of the RV is competent to handle the load -- the whole rear storage arrangement is only as strong as its weakest link.


2012 Fun Finder X-139 "Boondock Style" (axle-flipped and extra insulation)
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Lwiddis

Monterey, California

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Posted: 09/08/21 09:45am Link  |  Quote  |  Print  |  Notify Moderator

Adding weight to the rear of a TT isn’t the best idea…even frame supported IMO.


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B-n-B

Colorado

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Posted: 09/08/21 04:16pm Link  |  Quote  |  Print  |  Notify Moderator

These Lippert under chassis storage boxes cost a pretty penny, but they offer a solution other than the rear bumper.

https://www.etrailer.com/s.aspx?qry=lipp........railer+storage&furl=-pg-RV_Cargo_Carrier


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