DonSoreno wrote:I want to add, that in ordinary cars you often have 2 overlapping windscreen wipers. In 4d, the window is approximately shaped like a rectangular prism. You could then have a planar windscreen wiper in the (left-right) middle which sweeps the 3d volume of a cylinder(axis of cylinder parallel to the ana-kata axis) . You could then have another windscreen wiper whose plane is always parallel to the first, but who is positioned on the left bottom edge of the windscreen. Then both windscreen wipers could sweep in parallel, like they do in real life.
quickfur wrote:DonSoreno wrote:I want to add, that in ordinary cars you often have 2 overlapping windscreen wipers. In 4d, the window is approximately shaped like a rectangular prism. You could then have a planar windscreen wiper in the (left-right) middle which sweeps the 3d volume of a cylinder(axis of cylinder parallel to the ana-kata axis) . You could then have another windscreen wiper whose plane is always parallel to the first, but who is positioned on the left bottom edge of the windscreen. Then both windscreen wipers could sweep in parallel, like they do in real life.
Aha, in other words, it's an extrusion of 3D wipers into 4D, right?
gonegahgah wrote:I was then also thinking about the windscreen shape...
Apart from the forward direction it could basically just form a cylinder to provide maximum view.
I then though maybe the sideways orientation of the driver wouldn't matter...
... but then I realised the driver would still need to have instruments close to each hand.
So would the windscreen be somewhat triangular then? Or, still cylindrical in the sideways direction?
The indicator would probably allow for different directions to be indicated so that you could indicate to turn into a particular sideways direction.
One hand could control that with a joystick style indicator.
The windscreen wipers would also be controlled by a separate hand; just like we do.
But what would an extra hand do? I'm guessing drivers would have preferred orientations to these controllers.
Seats we sit on tend to have a little hill between the legs for greater comfort so I guess there would still be a little hill between each of the legs of a 4D person.
The feet would have accelerate, brake, but perhaps also rotate?
PatrickPowers wrote:[...] There would remain plenty of ordinary intersections, as this is unbeatably compact and cheap and is safe enough for low traffic/low speed locations.
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