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Old 02-11-2010, 08:34 PM   #1 (permalink)
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Gen1 Magnetorheological struts?

Been hearing alot lately about new shocks/strut types coming into high end mid-engined cars (and others) lately and thought us mid-engined owners might want to start discussions on this newest engineering idea for the suspension.
I was keen on this system in that it allows the use of flimsy (lightweight) sway bars which add to a more tempered ride when your on the street but, when competition demands a instant response the (MR) system will make the car ready instantaneously for a "full bore race prepared" car condition if called upon.
Yes, I realize these (MR) units will be beyond most of our price ranges currently, but with American ingenuity and several years down the road everything becomes cheaper.
So what's your thoughts? (other than price) are you ready for the next leap of faith in suspensions? Do you want "old school"? Are you ready to add yet a more complicated system to your car? Is it worth it for you?
Well? what's your read on this?
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Old 02-12-2010, 12:40 AM   #2 (permalink)
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This is the 1st time of heard of this type strut? Do you have any more info on them? A link maybe?
Sounds very interesting.
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Old 02-12-2010, 12:46 AM   #3 (permalink)
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As far as I'm aware those types of "MR" fluids require an electric field to function, so my biggest concern would be mounting shocks that require electrical input. How much electricity do they require and what does that mean to a car's electrical output? How much complexity are you adding to your vehicle by mounting MR shocks. I'd definitely want to read up a lot more about those shocks before even considering them. New technology is a great thing, but sometimes being on the cutting edge becomes an expensive, time-consuming proposition.
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Old 02-12-2010, 01:02 AM   #4 (permalink)
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Oh wow! I had no idea they were something that complex.
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Old 02-12-2010, 06:56 AM   #5 (permalink)
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i've seen that technology, but not on a car.

i'm more old school, i guess. if i were to go to something like this, i'd do it on a (currently) less historic car. for example, on me/my dad's 65 Mustang, the original antennae hole (on the front passenger side) has been sealed and a hole was drilled in the rear passenger side. since historically the antennae were moved to achieve a sportier look, we have decided to leave the antennae in the rear since it was sort of time period-correct (as far as mods go). so, i guess i feel the same way with something like this. plus, i don't really think my MkI is too stiff or uncivillised for the street. just my opinion.
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Old 02-12-2010, 01:35 PM   #6 (permalink)
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New ear shocks/struts

Quote:
Originally Posted by MR2Jedi View Post
This is the 1st time of heard of this type strut? Do you have any more info on them? A link maybe?
Sounds very interesting.
Hey Bro,

I've not run across any links but it was mentioned as Standard on the 2010 Ferrari 458 Italia in the 2/2010Motor Trend.

Hitting Wikipedia you find out the dynamics of this system.

What blasted me was the amount of high end cars now using this system.

Read up and tell us what you think. Like everything nowadays it's complicated to be cutting edge.

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Old 02-12-2010, 01:49 PM   #7 (permalink)
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"MR" shocks/struts

Hey Duster,

The output is not from the engine per se but from sensors in various aspects of the cars complete systems. Buttons on the console, transmission selection modes,sway bar sensors, other inputs?

I'm still learning about this too.

Mostly because I set up my Mark1 SC racecar with fluid struts (non adjustible!) and altho the Mrs (the Pit Crew Chief) was able to learn to drive the car with confidence from race to race and year to year, I always wanted a adjustibility but my "budget racers" 3 kids prevented big race expenditures.

Being able to fine tune the susp from the cockpit is a very interesting option.




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As far as I'm aware those types of "MR" fluids require an electric field to function, so my biggest concern would be mounting shocks that require electrical input. How much electricity do they require and what does that mean to a car's electrical output? How much complexity are you adding to your vehicle by mounting MR shocks. I'd definitely want to read up a lot more about those shocks before even considering them. New technology is a great thing, but sometimes being on the cutting edge becomes an expensive, time-consuming proposition.
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Old 02-16-2010, 11:56 AM   #8 (permalink)
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I've seen these taken apart and explained on some sort of super car special that has aired a number of times, but was not aware that many cars were using it. The technology is pretty incredible, with amazing adjustability, and response times. But for the money they go for I suppose they should.
I doubt the prices would come down anywhere near our price range before most of the cars become antiques, and by then they just wouldn't bother to offer it for us due to the small number of customers.
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Old 03-12-2010, 02:14 AM   #9 (permalink)
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Currently, the Audi R8 5.2 FSI Spyder uses MR struts made by Delphi. Having variable dampening is a nice innovation, but the tech is still quite expensive.
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Old 03-12-2010, 04:56 PM   #10 (permalink)
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USA MR struts

Jason,

The way I read this is that the new tech becomes the old tech quickly in this rapidly advancing New World.

Just the thought of Delphi, an American company, produces these, means patents soon expire and the information and it's technology will become available to Americans.

The sooner we understand how and what makes this work and understand the technology behind it the sooner us smart ass Americans can copy it for ourselves.

I wanna know more how about you?


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Currently, the Audi R8 5.2 FSI Spyder uses MR struts made by Delphi. Having variable dampening is a nice innovation, but the tech is still quite expensive.
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Old 04-29-2010, 07:35 PM   #11 (permalink)
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Yeah, I'm an old geek too.

But once these items start hitting the "yards" near me I'll be in a fast learning curve on how to adapt them.

If they are electrically controlled then right next to my brake balance knob will a a reostat for the front and rear suspension.

My 95 race Camaro had cockpit adjustible air suspension, this system is faster so for me it's just the next step.

I look at this new tech as just the next step, like 4WS and anti-lock, traction control.

Americans can do the impossible right?
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