Once upon a time on usenet keefy wrote:
> On 04/04/18 02:22, ~misfit~ wrote:
>> Once upon a time on usenet keefy wrote:
>>> On 03/04/18 01:00, ~misfit~ wrote:
>>>> Once upon a time on usenet News wrote:
>>>>> As discussed.
>>>>> Note the claim HAM denied having it, but Toto confirms having it.
>>>> Horner's a whiney little bitch. "It", so called 'party mode' (the
>>>> phrase was coined by Hamilton, not Horner / RBR) is simply the
>>>> highest of many engine modes and is nothing special (hence
>>>> Haimlton's denial of a special mode). All Toto confirmed was that
>>>> Hamilton called the high setting 'party mode' on the radio and in
>>>> one interview. All manufacturers have various settings but Mercedes
>>>> did the best job of building a PU. Because RBR don't have the most
>>>> powerful PU they want to cripple it. The whole article smacks of
>>>> sour grapes and does F1 no favours.
>>> These modes confuse me. Having never heard or read what they
>>> actually consist of I think they would be different fuel and
>>> ignition mappings. Such data is normally stored in the ECU to the
>>> best of my knowledge, but we are told F1 uses a standard ECU. So
>>> that would suggest that all modes are available to all teams. And
>>> yet the knowledge I have about ICEs tells me that each different
>>> one requires different fuel and ignition mappings anyway. So what
>>> am I missing? Is it related to ERS? But would those settings not be
>>> stored within the ECU as well?
>> Yes yes and yes. They have standard ECUs but the software / firmware
>> that the Mercedes PUs run on that ECu is different to what the
>> Ferraris run (for instance). (Previous to this year the software was
>> different between teams also, supplied with the PU but not the same
>> as the manufacturer ran. This means that full beans for Mercedes
>> (aka "party mode") is exactly the same as full beans for Williams.)
>> The settimgs that can be changed are, as you say fuel and ignition.
>> However there are also boost levels and how much of the electrical
>> energy is used to pre-spool the turbo to keep boost up as opposed to
>> delivered to the back wheels via the MGU-K. Also there is little
>> harvesting (and it is done differently) on a flying qually lap. They
>> start the lap with a full ES so over that lap they effectively have
>> considerably more power than the PU can sustain over a race at their
>> disposal. Etc. This explains it quite well; https://youtu.be/bCNf0JzHtME
> Thank you, that has filled in some gaps for me.
> I suspected but did not know that the PU manufacturers can install
> their own software to the ECU. So it sounds like it is only the hardware
> of the ECU that is standard.
"Humans will have advanced a long, long way when religious belief has a cozy
little classification in the DSM*."
David Melville (in r.a.s.f1)
(*Diagnostic and Statistical Manual of Mental Disorders)