Originally Posted by Inland RV Center, In
My records show that your Airstream should have 4000 pound axles with 12 inch bakes.
Sorry Andy your records are incorrect. The trailer was manufactured with 2,800 lbs axles and the ones I replaced, and bought from you, are 3,200 lbs.
By definition Pivot point, the center point of any rotational
There can only be one pivot point within a system. You can choose to select a different point while evaluation a mechanical system, but can only be working with one at a time. The force to maintain the system in equilibrium about a given point will still be the sum of the force times distance. Again it is a mathematical impossibility to reach the so called 1/3, 1/3, 1/3 relationship unless the combination was specifically designed with that in mind. Highly unlikely when dealing with so many variables involved here.
The pivot point we should be focused on here is the rear axle of the TV. A WD hitch is employed to reduce some of the trailer tongue load off that axle by transferring weight to the other axles, TV front and trailer. One should accept that the distances between the TV rear axle and the TV front axle and the trailer axles is not likely to be the same. Given that you should see that the above ratio is impossible to accomplish.
Now lets get away from 40 year old urban myths and deal with today's reality.