F1 » Jenson v Lewis - Challenge #3


McLaren drivers Jenson Button and Lewis Hamilton gear up for a competitive 2012 F1 campaign by taking each other on in a series of pre-season challenges...

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victor - Unregistered

January 15, 2012 9:05 AM

Sunny your awake - off the subject - I take it the active ride height system teams are developing will make the flexi wing redundant - disadvantage RBR along with exhaust blown diffuser.

richard

January 15, 2012 12:47 PM

victor. debatable. the flexi wing acts best at high speed on a straight, whereas the ride height system will work under braking for a corner. it could be that they would COMPLEMENT each other, but it could also be that it is a blind alley. after all, lotus renault are not famed for being successful with new ideas, remember last year, when all other teams were running scared at the fee? what happened? it was a bit of a failure.

107SS2009

January 15, 2012 1:13 PM

The more one come out with new ideas/innovations the bigger the chances of a failure. Explained in simple terms, the less work/things one does the less chance of doing mistakes or of things going wrong.
The front wing is the major aero part of the whole aero package for the simple reason that it's the part that hits the air first and because of that it conditions the air to just about everything sitting behind it, everything behind the front wing is lined up at the most optimum position in relation to it, if the front wing changes position (up/down and tilt “angle”) that optimisation or some of it if not most is lost, this latest anti dive system “my italics” which is being called ride height is deemed a major achievement in keeping the front wing in an optimised position in regards to feeding air to all other parts on the car which are behind it, the most important of which is the rear wing but also the underside of the car.

107SS2009

January 15, 2012 1:27 PM

Of interest to some might be the technicalities and the way it is done.
A hydraulic cylinder (tiny) is fitted to the end of the front suspension pushrod, this hydraulic cylinder is feed hydraulic pressure from the car main hydraulic system, when the driver brake's and depending on the braking force (torque) the hydraulic cylinder at the end of the pushrod is extended in effect lengthening the pushrod which in turn will keep the car level front to back.

jose - Unregistered

January 15, 2012 3:52 PM

The real challenge for me is waiting for Taipan's Post!!
After all this is all about F1..Right!
Hamiltonbutton Fan That I is..(keeping the fire under the pot)

Say what about WDC guy, mr. Vettel?.
Crash about some fair print (video) for the Champ??

Jose

Taipan

January 15, 2012 11:28 PM

Good stuff Sunny. So will this system only be used on the front of the car to prevent "dive" under braking?

The RB6 and 7 always seemed to run more rake than others so would I be right in thinking that front end dive under braking may be less of a problem to them than others?

107SS2009

January 16, 2012 3:41 AM

As I said somewhere else I might be wrong but in my opinion it will be used on the front only as that is the part of the car that effects the aero package the most, there was a lot of accusations that RBR was using a ride hide system last year, but I don't believe that they were using this system, the aero package can be optimised with the car set up at a rake like the RBR runs, but no matter the RBR rake the car will still dive at the front under braking, from what I read there is a real gain in lap time with this system.

107SS2009

January 16, 2012 3:55 AM

On the technical part/post above I left out the following.
Brake torque signal to control hydraulic cylinder extended length at the end of the push rod is effected as follows.
When the brake calliper pads grasps the brake disc the calliper rotates a certain distance around with the disc up to and against a stop, the movement is against a spring which when the brake pedal is released will return the calliper to its original position, it is this calliper movement which determines the extended length of the hydraulic cylinder attached to the end of the push rod and therefore the height of the front of the car under braking.

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