No more Cam Shaft in BMW's

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lifewithbmw

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#1
BMW is starting with a new technology for lifting valves. No more Cam Shaft ever in the engine. Valves will be open and close by an super high powerfull electronicaly controled magnets. Lot more horsepower, Quiter Idle and reving better fuel economy and best of all the ebgine will run for milions of miles!!![thumb] [thumb] [thumb]
 

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PuShAkOv

PuShAkOv

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How on earth a magnet could get strong enough power from an engine to give better torque and HP... that must be one hell of a magnet.

At least I wouldn't have to save up coins for the laundry... I could just open the engine and peel one coin from it ... that magnetic force will make me rich!! [hihi]
 
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ooo000HITMAN000ooo

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Isnt that called VVT. If it is...It has been out since 2002. And i have VVT on my car..This mustbe some kind of new spaceage technology they got back when they sent bangle home to mars to get some new desighns from aliens with really big asses, Then they gave him an engion with this new technology....
 
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epj3

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ooo000HITMAN000ooo said:
Isnt that called VVT. If it is...It has been out since 2002. And i have VVT on my car..This mustbe some kind of new spaceage technology they got back when they sent bangle home to mars to get some new desighns from aliens with really big asses, Then they gave him an engion with this new technology....
Click to expand...
VVT just changes the cam shaft's timing (or adjusts the valves position in some sort of way)
 
xLibelle

xLibelle

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#10
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#10
Lets not call them magnets, call them solenoids.

That is actually a great idea! Easy to get them to work like they should.
Dont understand why other companies havent done this yet.
 
wileycoyote

wileycoyote

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Springs provide the primary force to open and close the valves, and to reduce the required power of the EVA. The Electromagnetic Valve Actuator (a special type of soleniod, which is a device that uses an electromagnet, so your all correct or all wrong) is relatively low power.

The technology has been around a while, pioneered by a company in El Segundo CA. Formula 1 racing looked into, but it's biggest bennefit is realized at RPM below 8K, F1 engines run about 15 to 17K RPM.

Coupled with Direct Fuel Injection, all aspects of engine performance (fuel efficiency, power, emmissions, etc.) would improve about 15 to 25 percent by most estimates.

Reliability has always been a problem, as well as power consumption (requires a 48 volt system, which many MFG are considering due recent significant increases in power demanding devices i.e. DVD, Navigation Systems)
 
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ooo000HITMAN000ooo

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#19
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#19
gusgar said:
Here in Colombia, the Mazda 6 has a l4 with 2.2 engine. How is it in the States?, how fast is?, It has an pretty and agresive look.

Gustavo
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I love my mazda 6. Mine has the i4 2.2 with vvt. Its a great motor that can really pull. Its a very good handeling car. I love the look of it mine its white with the sport package wich means it has side skirts dif. front and rear sport bumpers, and it has a spoiler, it also has the 17 inch wheels. The interior is very nice to it has the sport seats and satin trim dash. Its a great looking car and you are right they are pretty and agresive at the same time. I also have the sport shift trans wich i love because you can rev it alot higher when driving and the cars duals sound great when you get in the higher rpms. Zoom Zoom [:D]
 
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