Bigfoot FB21 receiver at rear bumper - Fiberglass RV


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Old 08-14-2021, 10:37 AM   #1
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Bigfoot FB21 receiver at rear bumper

I have an '07, 25B21FB with a 2" receiver hitch at the rear bumper that has been used at some point. My question is...whta is the wait carrying capacity. Is it the weight capacity of the receiver hitch?
Must one then add enough water to your fresh water tank to counterbalance?


Experiences, good ot bad will be much appreciated


Greg
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Old 08-14-2021, 12:26 PM   #2
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Isn’t the water tank in the rear under the bed? Adding more weight wouldn’t be practical. Bigfoot could answer your capacity question. Age makes a big difference in load. Before I replace my bf bumper, not much.
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Old 08-14-2021, 03:47 PM   #3
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FB denotes the Front Bed, and yes the water tank id under the front bed. My concern is that if I add 200 lbs at the rear bumper it seems like I should balance that with a like weight in fresh water at the front???????


OOPS!!!!!!!my bad
I just fixed the original post to say FB
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Old 08-14-2021, 08:32 PM   #4
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Is the receiver just bolted to the bumper tube or is it welded to the frame of the trailer makes a big difference.

If you measure from the rear bumper to the center between the tires then from there to perpendicular with the ball you can get a basic idea of the percentage of length behind and in front of the axles. eg if axle was dead center 5# added to bumper will remove 5# of tongue weight like a teeter totter, with tandem axles the effect may be even less.
It is recommended to have 10-15% of trailer weight on the ball to minimize sway, less than that can contribute to sway, not something you want to experience.
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Old 08-16-2021, 09:31 AM   #5
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Thanks Martin
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