Shopping on line can be easy, simple and save you lots of money. It can also take a lot of your time, frustrate you, and result in unwanted purchases. Now the same can be said for regular high street shopping, but with the vast opportunity presented by the Internet it will pay you to spend a few minutes reading this and understanding how to better optimize your Driver Visibility shopping experience:
1. Compare - without doubt the biggest advantage that the Driver Visibility offers shoppers today is the ability to compare thousands of Driver Visibility at a time. This is a great thing, but not necessarily all the time! Too much can be daunting at times so take advantage of the great comparison sites and where possible let them do the hard work for you.
2. Research - if it has been said it will be on the internet. Ignorance is no longer a justifiable reason for buying the wrong thing. Take the time to research in detail everything that you could possible want to know about
3. Testimonials - don't know anybody that has bought a Driver Visibility? Wrong! If the Driver Visibility is good the internet will let you know. Use the Internet as a friend and get testimonials before you buy.
4. Questions - Got a question about Driver Visibility then search the Forums, FAQ's, Blogs etc. Don't be afraid to ask .....
5. Reputation - Never heard of the company selling Driver Visibility? Don't worry, no reason why you should know every company in the world, but you know someone that does! Use the internet to find out what people are saying about Driver Visibility and build up a picture of their reputation for sales, returns, customer service, delivery etc.
6. Returns - still worried that even after all of the above your Driver Visibility wont be what you want? Check out the returns policy. There is so much competition now that someone, somewhere is bound to offer the terms that you are comfortable with.
7. Feedback - happy with your Driver Visibility then let people know, after all you are depending on others people input in your buying decision, so why not give a little back.
8. Security - check for the yellow padlock on the Driver Visibility site before you buy, and the s after http:/ /i.e. https:// = a secure site
9. Contact - got a question about Driver Visibility, or want to leave a comment then check out the sites contact page. Reputable companies have them and respond.
10. Payment - ready to pay for your Driver Visibility, then use your credit card or PayPal! Be aware of companies that don't accept them, there may be genuine reasons but given the huge amount of choice you have when buying online there is no reason at all not to buy via credit card or PayPal.
bars reduce driver visibility
In
transport,
driver visibility is the maximum distance at which the driver of a
vehicle can see and identify prominent objects around the vehicle.http://www.op.dlr.de/ne-oe/ir/fasimod.html Visibility is primarily determined by weather conditions (see
visibility) and by a
automotive design.http://www.gizmag.com/go/7081/ The parts of a vehicle that influence visibility include the windshield, the dashboard and the pillar (car). High driver visibility is essential to
road-traffic safety.
Reflection
image:Automobile dashboard reflection.PNG
In the windshield reflection
It is best if the dashboard and the inside of the A-pillar has a non-reflecting dark colored surface.http://esvc000873.wic017u.server-web.com/iPublish/archives/1/080.010.020/83/fs_nx_general_pack_8.pdf
Dashboard reflection
Flat windshield angle
It is best if the windshield angle is not too flat.
With a flat windshield, the big
dashboard reflects on eye height in the windshield.The visibility of the driver is not clear.
Windshield and A-Pillar upright angle
- The windshield and pillar have a upright angle.
- The dashboard is small and the Hood (vehicle) is normal size.
- The sunlight on the smaller dashboard gives some reflection (physics) on the lower part of the windshield.
- But the visibility of the traffic by the driver is normal and clear.
Light through roof reflection
Some new model cars have a "pannorama" windshield. This is not a windshield that gives a horizontal view but a windshield that sweeps up and continues into the roof-window. Sometimes the light through the roof lights up the dashboard and gives a reflection in the windshield.
A-Pillar
Windshield and A-Pillar Flat angle
Some modern car designs have an extremely flat windshield and A-pillar. The angle of the windscreen may be less than 40°. This does have some advantages in reducing the overall drag coefficient, but a flatter windshield reduces driver visibility.
If the A-pillar is flatter, it must also be thicker. A flatter, thicker A-pillar creates a blind spot (automobile), reducing overall visibility.
Height of the driver
Driver height can also affect visibility.
An A-pillar that is split up and haves a smal tringle window can give a short driver visibility problems.
Some cars the windshield is fillet with the roofline with a big radius.A fillet round A-pillar can give a tall
driver visibility problems.
Also the B-
pillar (car) can block the vision of a tall driver in small 4 door cars.
Upright degree angle A-Pillar
If the windshield and pillar have a upright >40° angle, the visibility of the driver is normal.
Most popular cars have a >40° diagonal A-pillar design.
Popular cars that have been years on the market and have been sold in millions.
Visibility in a cabrio
The A-pillars of a convertible automobile have to be stronger and even more thicker, but with the top down there are no B or C pillars, improving driver visibility.
Vertical A-pillars
having small blind spots
The visibility for the driver is best if the A-pillar is thin and has as vertical a position as possible.
It is difficult to design air-streamed small car with a vertical A-pillar; it takes too much space from the door opening.
Some cars have a vertical A-pillar and a side bend windshield; this system gives the driver the best visibility.
Some Cars with an almost vertical A-pillar :
Old big cars:
- Almost all Cadillacs from 1954-1959
Modern cars:
- Honda Step Bus Concept
- Saab 900
With this windshield angle the sunlight or street-lighting do not reflect the dashboard or a-pillars in the windshield.The American School bus
A-pillar reflection
In a flat windshield you can get
A-pillar reflection.http://www.autoexpress.co.uk/news/autoexpressnews/202148/blind_spot_offenders_named.htmlIn that case it is the best if the A-pillar has an anti-reflecting dark surface.
The vertical A-pillar does not reflect in a bent windshield, The visibility is clear.
Other disadvantages of flat windshield angle
- Other traffic can not see through the reflection if the driver can see them.
- The heater needs more time to heat the bigger window surface.
- The flat windshield angle does not let snow slide off easily.
- The driver cannot reach the whole flat window to clean it easily.
Object visibility elimination
Head support visibility elimination
When passengers are not carried, the passenger seat head-support can be set in a lower position to improve visibility.
See also
References
External links
- Volvo SCC (Safety Concept Car)
- Driver visibility in a Schoolbus
- Mercedes Uses Virtual Reality to Study Driver's worldview and visibility problems with the pillar (car). (22 jun 2007)]
- "No vehicle may be equipped with more than two 'A' pillars..." (DOC (computing))
- Vehicle Safety Site
- European safety ratings
- European vs US roof strength
- 2003 visibility test popular European car models
- American safety ratings
- There is no regulation for minimum driver visibility jet
- National Transportation Safety Board (USA)
bars reduce driver visibility
In transport,
driver visibility is the maximum distance at which the driver of a
vehicle can see and identify prominent objects around the vehicle.http://www.op.dlr.de/ne-oe/ir/fasimod.html Visibility is primarily determined by weather conditions (see visibility) and by a automotive design.http://www.gizmag.com/go/7081/ The parts of a vehicle that influence visibility include the windshield, the dashboard and the
pillar (car). High driver visibility is essential to
road-traffic safety.
Reflection
image:Automobile dashboard reflection.PNG
In the windshield reflection
It is best if the dashboard and the inside of the A-pillar has a non-reflecting dark colored surface.http://esvc000873.wic017u.server-web.com/iPublish/archives/1/080.010.020/83/fs_nx_general_pack_8.pdf
Dashboard reflection
Flat windshield angle
It is best if the windshield angle is not too flat.
With a flat windshield, the big dashboard reflects on eye height in the
windshield.The visibility of the
driver is not clear.
Windshield and A-Pillar upright angle
- The windshield and pillar have a upright angle.
- The dashboard is small and the Hood (vehicle) is normal size.
- The sunlight on the smaller dashboard gives some reflection (physics) on the lower part of the windshield.
- But the visibility of the traffic by the driver is normal and clear.
Light through roof reflection
Some new model cars have a "pannorama" windshield. This is not a windshield that gives a horizontal view but a windshield that sweeps up and continues into the roof-window. Sometimes the light through the roof lights up the dashboard and gives a reflection in the windshield.
A-Pillar
Windshield and A-Pillar Flat angle
Some modern car designs have an extremely flat windshield and A-pillar. The angle of the windscreen may be less than 40°. This does have some advantages in reducing the overall drag coefficient, but a flatter windshield reduces driver visibility.
If the A-pillar is flatter, it must also be thicker. A flatter, thicker A-pillar creates a blind spot (automobile), reducing overall visibility.
Height of the driver
Driver height can also affect visibility.
An A-pillar that is split up and haves a smal tringle window can give a short driver visibility problems.
Some cars the windshield is fillet with the roofline with a big radius.A fillet round A-pillar can give a tall driver visibility problems.
Also the B-
pillar (car) can block the vision of a tall driver in small 4 door cars.
Upright degree angle A-Pillar
If the windshield and pillar have a upright >40° angle, the visibility of the driver is normal.
Most popular cars have a >40° diagonal A-pillar design.
Popular cars that have been years on the market and have been sold in millions.
Visibility in a cabrio
The A-pillars of a
convertible automobile have to be stronger and even more thicker, but with the top down there are no B or C pillars, improving driver visibility.
Vertical A-pillars
having small blind spots
The visibility for the driver is best if the A-pillar is thin and has as vertical a position as possible.
It is difficult to design air-streamed small car with a vertical A-pillar; it takes too much space from the door opening.
Some cars have a vertical A-pillar and a side bend windshield; this system gives the driver the best visibility.
Some Cars with an almost vertical A-pillar :
Old big cars:
Modern cars:
With this windshield angle the sunlight or street-lighting do not reflect the dashboard or a-pillars in the windshield.The American
School bus
A-pillar reflection
In a flat windshield you can get A-pillar reflection.http://www.autoexpress.co.uk/news/autoexpressnews/202148/blind_spot_offenders_named.htmlIn that case it is the best if the A-pillar has an anti-reflecting dark surface.
The vertical A-pillar does not reflect in a bent windshield, The visibility is clear.
Other disadvantages of flat windshield angle
- Other traffic can not see through the reflection if the driver can see them.
- The heater needs more time to heat the bigger window surface.
- The flat windshield angle does not let snow slide off easily.
- The driver cannot reach the whole flat window to clean it easily.
Object visibility elimination
Head support visibility elimination
When passengers are not carried, the passenger seat head-support can be set in a lower position to improve visibility.
See also
References
- European Transport Safety Council (ETSC)
- Federal Motor Carrier Safety Administration (FMCSA)
- Pedestrian Safety Through Vehicle Design
- Traffic safety
- Vehicle inspection
- Pininfarina PF Sigma (1963)
- Driver visibility, Volkswagen Beetle GL (1999)
- The Truth About Cars /Chevrolet HHR 1LT
- Research: Front-End Blind Spots Cause Accidents
External links
- Volvo SCC (Safety Concept Car)
- Driver visibility in a Schoolbus
- Mercedes Uses Virtual Reality to Study Driver's worldview and visibility problems with the pillar (car). (22 jun 2007)]
- "No vehicle may be equipped with more than two 'A' pillars..." (DOC (computing))
- Vehicle Safety Site
- European safety ratings
- European vs US roof strength
- 2003 visibility test popular European car models
- American safety ratings
- There is no regulation for minimum driver visibility jet
- National Transportation Safety Board (USA)
Driver visibility - Wikipedia, the free encyclopedia
edit] Introduction. In transport, driver visibility is the maximum distance at which the driver of a vehicle can see and identify prominent objects around the vehicle. [1 ...
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