Italian GP 2009 - Monza

[siskue2005]

3.) So you come to parabolica on ur warmup lap...out of the corner you press Kers for 6 sec
4.) the when you cross the S/F the Kers activates again and you can press it for 6secs again
5.) that makes it total 12 odd secs total in the home straight alone

This is not true. KERS is limited in capacity, so you won't be able to use it before you charge it again. Don't be fooled by TV graphics, it's just a timer.
You could use KERS after first chikane.

there is no limitations of how much energy you store
There's an interview with Lauda and Lewis on youtube which he shows KERS details, including how it's displayed on the dashborad.
Mclaren has got batteries for 160% of the storage per recharge
lots of details in that video just search youtube

they can also use reduced amount of power to more than 6.6 sec per lap
the 400KJ of power output can be tailored to emit 200KJ for 12 sec etc etc
it can be used anyway

My guess - they would use most KERS out of Rettifilo and everything left from Parabolica.

thats your guess, but look at what an expert Jenson Button got to say about double boosting on the home straight >>> http://www.autosport.com/news/report.php/id/78225

[wesley123]

you are wrong, KERS is limited to 400Kj per lap, wich is 6 seconds or 80 hp of kers. McLarens kers system is lgiht because they used a smaller battery then is allowed, so they can run like twice 3 seconds.

[adam2007]

kimi or hamilton will win here mark my words

[Giblet]

you are wrong, KERS is limited to 400Kj per lap, wich is 6 seconds or 80 hp of kers. McLarens kers system is lgiht because they used a smaller battery then is allowed, so they can run like twice 3 seconds.

I never heard there was a battery weight minimum. The Williams system doesn't even have a battery.

Where did you hear that? I think it's wrong.

[Saribro]

I think he just meant to say that the battery can only contain less than the amount that is allowed to be released per lap, not that there is any limit (be it min or max) on the battery.

[PlatinumZealot]

Makes sense to me.. Especially if it's a one off lap.

Example.. lets say after Parabolica is not the ideal place. Use it there to get an faster starting speed.. then use it in the ideal straight on the following lap. If it's a one off lap you don't have to worry if it is finished after that, no need to use it for Parabolica again.

[Slife]

Never knew there was a golf course near Monza.

[Fil]

lucky Massa isn't driving, he'd probably cop one in the head

do you think they close the course, or the adjacent holes during the race..?

[Shaddock]

I think he just meant to say that the battery can only contain less than the amount that is allowed to be released per lap, not that there is any limit (be it min or max) on the battery.

The rules don't mention a battery or a minimum weight for KERS.

The limits are: energy released = 400J per lap, max power in or out of KERS at 60W, and with the exception of one fully charged KERS, the total amount of recoverable energy stored on the car must not exceed 300kJ. Any which may be recovered at a rate greater than 2kW must not exceed 20kJ.

KERS will have it's biggest impact on acceleration at lower speeds due to drag. An extra 80hp isn't going to make much difference to a car accelerating past the 180mph due to drag being a square function.

At lower speeds the 80hp, plus the huge amount of torque produced by these motors, will make the biggest difference.

[Giblet]

Nope, mostly right however at lower speeds the car is already traction limited, the tires are able to be spun at almost any moment through 3rd gear, and probably 4th with just the engine. Pushing KERS while on the edge of rear traction would swap ends.

I'm pretty sure someone told me, who could be right or wrong, that KERS won't operate below 100 mph (or maybe it was km/h, can't remember).

[PlatinumZealot]

might be good to use it to reach top speed faster. Like just after turn exits.

[Saribro]

I think he just meant to say that the battery can only contain less than the amount that is allowed to be released per lap, not that there is any limit (be it min or max) on the battery.

The rules don't mention a battery or a minimum weight for KERS.

Perhaps you should learn to read. I never said there was. I was simply trying to explain to Giblet that I believe he misinterpreted wesley123's post.
Nothing in the rules prevents a team from having a KERS-energy storage system that cannot contain 400kJ of expended drivetrain energy. I believe the point wesley123 was trying to make, is that McLaren's KERS is so light because it has a battery that can only hold less than 400kJ.

[Shaddock]

I think he just meant to say that the battery can only contain less than the amount that is allowed to be released per lap, not that there is any limit (be it min or max) on the battery.

The rules don't mention a battery or a minimum weight for KERS.

Perhaps you should learn to read. I never said there was. I was simply trying to explain to Giblet that I believe he misinterpreted wesley123's post.
Nothing in the rules prevents a team from having a KERS-energy storage system that cannot contain 400kJ of expended drivetrain energy. I believe the point wesley123 was trying to make, is that McLaren's KERS is so light because it has a battery that can only hold less than 400kJ.

No you didn't, and I quoted the wrong post

[siskue2005]

the double boosting i talked about is right
see what Martin Whitmarsh has 2 say

Team principal Martin Whitmarsh said: "Monza is notable for being a power circuit, and, with KERS, we should see some incredible speeds – particularly during qualifying when the drivers will double-deploy KERS along the start/finish straight."

http://www.autosport.com/news/report.php/id/78308

[raceman]

yes, you are right.....