Crash.Net User: Sasha

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Sasha

February 27, 2014 7:18 AM

F1 » Who is testing when at the final Bahrain test?


We won't know where everyone is until the end of the first race. And the guy on that forum may be spinning, may be not. On the other side I wonder how much inside info you have to say the complete opposite. I don't care if Renault is in deep **** or not this season as I don't own anything Renault, don't drink Red Bull, don't have a Caterham or whatever and even if I did I would not care. Also ask yourself, what is the point of spinning on one discussion on a forum read by a couple of thousand around the world of whom not even 10% make a buying decision on what they read there. If they fail big time in Australia, the world consumers will see it. Until then I guess we are all trying to build up to the first race here.

Sasha

February 26, 2014 1:03 PM

F1 » Who is testing when at the final Bahrain test?


End -------------- So by the look of it Renault has made significant changes and can homologate its engine. Mainly software work now to make it all work together and get the most out of the power unit. And the teams have to work with beta software until the start of Melbourne, so probably all will be unable to show true speed and test all to its max. We will know for sure when Renault teams can do long runs at this test. I imagine that despite testing lag you would like to have one race simulation.

Sasha

February 26, 2014 12:57 PM

F1 » Who is testing when at the final Bahrain test?


to an air cooled heat sink. This strategy proved ineffective in certain environments and a more coventional wastegate is now being used to supplement the H. Due to both the change in K gear ratio, boost control strategy and the energy store, most of the software relating to the charge and discharge cycling has been modified daily and continues to be refined. There are still issues relating to turbine speed control via H but these are mostly to do with fine tuning of the control software and the syncronisation between H control and wastegate control. There has been swift progress and software related driveability now appears to be the main issue.

Sasha

February 26, 2014 12:57 PM

F1 » Who is testing when at the final Bahrain test?


Somebody posted this at another forum (autosport): enotsne, on 26 Feb 2014 - 08:19, said: For those interested. Here are some of the changes Renault have made since Jerez. Change of battery cell provider. The individual cells that make up the Energy Store have individual over-charge and over-discharge protection. These were proving unreliable due to thermal/vibration issues. Whilst the energy store is sealed in our fitment, I am informed the cells are now supplied by Panasonic. Change to MGU-K to Crank drive gearing. The original torque multiplication factor was calculated to give a wider spread of torque on acceleration. Track testing found that this was causing traction dificulties and overloading the gearset and causing failure of the crank casing. Change to turbocharger wastegate function. Renault had originally intended for the H to regulate Turbine speed in 95%+ of normal running. They facilitated this by allowing the H to pull charge (when the energy store was at capacity) t

Sasha

February 25, 2014 10:45 AM

F1 » Ferrari 'maximises' time at BIC


Considering that the race pace will be much slower than qualifying because of the fuel limits, it is not strange to not use the 107% rule for a while. Maybe at Bahrein they can qualify with a 1.32 but if the fuel limits the average lap to a 1.40 than it will be all about the fuel economy of the engine and aero package. Others may be able to run well within 107% of the fastest man or run just as fast and run out of fuel.

Sasha

February 24, 2014 2:35 PM

F1 » Ferrari 'maximises' time at BIC


There is an article about the brake by wire over at thejudge13 site. Basically because of the heavy braking force from the energy recovery system linked to the backwheels the driver cannot feel good brake balance anymore. So he applies normal brake power to the front wheels and the computer calculates the brake power needed by the rear brakes, simply put: level of grip on the rear = braking grip, that minus energy recovery braking force = level of hydraulic brake force. The latter apllied by a servo and controlled by the computer. Essentially it is also a sort of ABS on the rear. But go to the site mentioned, read the article and all will be clear.


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