Why Don T Sedans Have Rear Window Wipers

Clearly Im not the only person who has thought of this because theres precedent for rear wipers on sedans and coupes.

Why don t sedans have rear window wipers. My 1990 Nissan Skyline GT-R had a rear wiper even though it was a normal coupe with a normal trunk. My idea was that the rear window of a car with a trunk is upright enough and far enough away from the rear wheels and the bumper of the car that it doesnt get as dirty in storms and on unpaved roads as hatchbacks which are more slanted and. Rear wipers are essentially meant for vehicles with an upright. Why dont sedans also have rear-windshield wipers.

But there have been some exceptions. Those only exist on cars where the rear window gets dirty from the air flow behind that means wagons and hatchbacks an MB wagon would have the wiper. Station wagons and SUVs have rear wipers because of the aerodynamics you claim to know about. Went from a crv to a work Malibu and miss that rear window wiper.

A wiper on those vehicles would only be needed at a stop or in stop and go traffic and would cause extra drag at higher speeds. The aerodynamics essentially known as the way of the air flowing over the right angle where the rear window meets the roof - creates a low-pressure area that collects much nasty dust in then deposits it into the windshield surface. For years the Mitsubishi Lancer Evolution had a rear wiper despite being a normal sedan with a normal trunk. The rear windows which is like mostly vertical doesnt get that much rain because youre driving FORWARD.

In my opinion rear window wipers are ugly and make the car cleaning difficult. New comments cannot be posted and votes cannot be cast. Station wagons and SUVs have rear window wipers. This is all because of their aerodynamics.

Greater spray is created via an SUV or hatchback by using fact they dont have long trunk factors previous the rear wheels. The rear of. Now what I thought I knew about why some cars have back windshield wipers and some dont. This is because the airflow is more turbulent at the rear over a hatch than a sedan.

Many evenings I first have to wipe my rear window with a. The rear window on these vehicles is out of the high speed airflow. This means air can also travel across the windscreen and remove water sitting on the surface so theres no need for a rear wiper blade. Generally the airflow over the rear window of a sedan or coupe will keep the window clean.

Air flow is smooth in the case of sedan. There have probably been studies which show that most people never use the rear wiper. On a sedan the rear windshield is raked angled so water flows precise off of it and into the channels alongside the trunk for drainage. Many hatchbacks have rear wipers.

The reason sedan dont have rear wipers is because of aerodynamics. Sedans and coupes have almost never had rear wipers. I thought the obvious answer was it would be too difficult to put rear windscreen wipers on sedans because sedans have rear windscreen that are at an angle while hatches and suvs had straight vertical windscreens so it was easy to add wipers to them. Why dont sedans have this issue.

It is another crucial reason why hatchback cars need rear window wiper and sedan does not. The turbulence generated by the upper edge makes everything stick to the rear of the car road dust rain snow etc while youre driving. This thread is archived. Sedans have to do the same manoeuvring as hatchbacks.

Due to the designing of sedans and hatchbacks sedan cars hardly need a wiper. Adding a wiper on a sliding rear window will create more aerodynamic drag thus creating more fuel consumption. Why dont sedans have them. Why dont sedans have rear wipers.

I am not a smart man. Posted by 5 years ago. The same as hatchbacks do. I would definitely want to avoid one.

Quite simply because their rear ends taper off more smoothly the airflow can travel across the surface of the car much more easily and directly. Vans SUVs and station wagons have often had rear wipers. Yet another excuse is the top of the motor vehicle. I guess my common sense was wrong.

My Hyundai SUV has one but my Elantra does not. I doubt if they would be very expensive and they would sure be useful in bad weather. Thus to clean the rear windshield a rear wiper is provided mostly on all hatchbacks. Do you know why car manufacturers dont put rear window wipers on sedans.

There is much turbulence on the rear of hatchbacks hence accumulation of dust on the rear. No much turbulence on the rear.

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