Quote:
Originally Posted by gumby79
If the hitching U-joint is mounted High Enough the pendulum effect will make it always want be belly down due to center of gravity.
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The hitch will be mounted half way up. The trailer front will be a hemisphere sitting in a shroud which has a circular cut in it to snug the trailer front into. (See Illustration below)
Quote:
Originally Posted by gumby79
The only downside to this is as the car pitches side to side it will force the tire to scrub left and right the distance based on the separation of the U joint and the tire. This is really insignificant as far as fuel economy goes ,as usually a driver is going under 10 mph when these type of terrain situations are encountered.
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Dips in roads at speed need to be accommodated. The hitch will act just like a ball hitch to allow pitch and yaw changes freely, but like a solid shaft to allow no roll.