Hensley Arrow: How does it REALLY work?
There have been several discussions on this hitch that have become somewhat 'controversial'. I am NOT trying to stir this controversy/bashing back up. Instead, I'd like to see a good, intelligent di...
Forum Discussion
The diagrams on the page you link to
primarily only address the Apparent Pivot Point. Part of the reason it's called the "apparent" pivot point is because it's not a true pivot point in every sense.
True, it's handy for illustrating how the TT will track behind the TV in a turn, but the forces involved in pivoting behave much differently than with a conventional ball.
The way the linkage is configured inside the Hensley's hitch head causes forces induced from the TT to be reacted on differently than when forces are induced from the TV. That's because the forces involved in pivoting are actually transmitted through the links connected by the 4 pivot points within the hitch head. For the forces involved (as opposed to the Apparent Pivot Point), you actually have to start talking about something called the instantaneous center of rotation.
The ramifications of these two concepts are far from simple, and perhaps that's why it seems that discussions seem a bit controversial.
Am I on the right track?
primarily only address the Apparent Pivot Point. Part of the reason it's called the "apparent" pivot point is because it's not a true pivot point in every sense.
True, it's handy for illustrating how the TT will track behind the TV in a turn, but the forces involved in pivoting behave much differently than with a conventional ball.
The way the linkage is configured inside the Hensley's hitch head causes forces induced from the TT to be reacted on differently than when forces are induced from the TV. That's because the forces involved in pivoting are actually transmitted through the links connected by the 4 pivot points within the hitch head. For the forces involved (as opposed to the Apparent Pivot Point), you actually have to start talking about something called the instantaneous center of rotation.
The ramifications of these two concepts are far from simple, and perhaps that's why it seems that discussions seem a bit controversial.
Am I on the right track?
