WD and Sway Bar

There's a name for that slosh effect, I don't remember what it is, but I think the general opinion is it isn't something to worry about in a pod.  First of all, if the tank is half full, half the water is already on one side of the trailer so if all of the water ended up on the same side all at once, which is practically impossible, it would be 60 pounds.  If the tank was 2/3 full 10 gallons would already be on one side so again, in a only theoretical situation, there's only 10 gallons on the other side of the tank and it won't all fit on the other other side.

Then there's the fact that the tanks are almost at axle level.  If you had all this water slamming aroung on top of the pod, it would probably matter.  Not so much at axle level.

No proof here, but move 200 pounds up and inside the pod the the form of a person riding in the back.  I don't think you'd particularly notice if he was bouncing back and forth from one side of the pod to the other.  You might notice but I doubt you'd be worried about him causing a wreck.

If you're going to flip your trailer, I can see how this might be a tiny contributing factor, but I'd say you were most likely going to flip anyway.  That weight so low might even add to your stability.

TT

The "Free Surface Effect". That is why tanks on ships and tanker trucks have baffles in the tanks. Simply says tanks should be full or empty to prevent effect.

Stephen,

I don't have an issue with the Free Surface effect either, that's because I have a 178, and don't travel with a full water tank. I keep minimal water in it for emergency potty stops.

Yep, another non 178 owner, BTW I don't think the Free Surface effect is pertinent, that is what it called which answers TARS post. Which was my intent.