Hey, McLaren, WTF were you thinking? It wasn't that difficult. Beef up the F1's V12, add some electronic updates, make the interior a little nicer, make some small styling changes, and sell it for $2M.
Driver in the middle or not?
If not then no F1 successor.
Is that a double defuser?
You think a company is going to release an expensive supercar that's just a small update to a 20 year old car? Show me one manufacturer that's done that?
that looks to be a double diffuser, but i wonder why they don't feed the pipes into it.
Because that doesn't work. There's no way to control exhaust flow so that you get a predictable amount of downforce given your speed.
lamborghini, rolls royce, bentley, caterham, i'd include land rover, jeep and hummer too
it's not about a refresh of gordon murray's design, it's about the ultimate gt car today with a central driver position. i got to climb over 1 once - the bonnet is held up with a nissan econobox trunk tube
You think a company is going to release an expensive supercar that's just a small update to a 20 year old car? Show me one manufacturer that's done that?
Has it been confirmed if the sitting position is in the middle or on the side?
Even if the engine RPM is right, the exhaust velocity is dependent on throttle. You certainly wouldn't be going WOT until the later part of the turn, right? How does the downforce stay constant from braking to WOT?of course you can. these guys have already mastered it and are now prohibited from using the knowledge developed for racing. there are several techniques when used together will create massive, controlled downforce from blowing the diffuser - the simplest is proper gearing so that you corner with the engine near redline.
Even if the engine RPM is right, the exhaust velocity is dependent on throttle. You certainly wouldn't be going WOT until the later part of the turn, right? How does the downforce stay constant from braking to WOT?
This.
It's dependent on throttle, and it's not smooth flow even with constant RPM and throttle. Even timing will change flow.
What is a blown diffuser?
On road cars, the engine exhaust exits are normally located at the rear of the car. On a Formula One car they are deliberately located in front of the rear wheels so that the hot, fast flowing exhaust gases can be channelled towards the car’s rear diffuser. This increases airflow through the diffuser and in turn increases the amount of downforce the diffuser produces. This is perfectly legal under current F1 regulations.
What is an off-throttle blown diffuser?
Normally the engine will only produce exhaust gases when the driver is on the throttle. This means when the driver lifts off, the blown diffuser is suddenly robbed of the additional airflow. To get around this, some teams have modified their engine mapping so that when the driver lifts off, although fuel supply and ignition are cut, airflow through the exhaust - and hence to the diffuser -continues. This technique has become known as ‘cold blowing’ - the exhaust is still ‘blowing’ into the diffuser, but that airflow is now ‘cold’ since no fuel or ignition is involved.
What is ‘hot blowing’?
Some teams have taken things a step further. To make the off-throttle ‘blowing’ as similar - ie as hot and fast flowing - to the on-throttle ‘blowing’ as possible, they cut the ignition when the driver lifts off the throttle, but continue to inject some fuel through the engine’s valves into the exhaust. This fuel ignites on the hot exhaust, increasing the amount, speed and temperature of the airflow exiting towards the diffuser.
Even if the engine RPM is right, the exhaust velocity is dependent on throttle. You certainly wouldn't be going WOT until the later part of the turn, right? How does the downforce stay constant from braking to WOT?
None of those cost a million dollars. But a lambo diablo from the early 90's and an aventador of today? Style wise there's some similarity but that's it.
Has it been confirmed if the sitting position is in the middle or on the side?
Hot blowing sounds like antilag.http://www.formula1.com/news/features/2011/6/12186.html
this stuff is banned now because they're too good at it. mclaren and mercedes pioneered cold-blowing technology. there was some increased fuel usage related to this, maybe to cool the valves, but it was less than renault's hot-blowing.
Hot blowing sounds like antilag.
Latest info -
2 seater
Carbon fibre monocoque
Adaptive suspension
Active aerodynamics
Combined horsepower ~1000bhp (Hybrid TT V8 and electric motor)
0 - 60 ~ < 3 sec
Top Speed ~ 239 mph
Price tag ~£1,000,000
http://www.formula1.com/news/features/2011/6/12186.html
this stuff is banned now because they're too good at it. mclaren and mercedes pioneered cold-blowing technology. there was some increased fuel usage related to this, maybe to cool the valves, but it was less than renault's hot-blowing.
I hate to be a wiseass, but aren't all of those characteristics, other than horsepower, top speed and price, also true of the MP4-12C? I know that at this point even "normal" supercars are achieving acceleration numbers that are hard to surpass by any significant amount, but still . . .
That requires a totally different engine than you'd see with a road car. There's no way to cold blow, as no road car can keep throttle 100% open when pedal is lifted off, regardless of whether it's using a mass air flow or vein pressure system to manage it. Hot blowing is even further along.
Actually Nissans VVEL holds the TB open and actively changes the valves lift.