Crash.Net User: 107SS2009

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107SS2009

January 20, 2015 12:38 PM

F1 » Honda can develop F1 engine in 2015


Continued, it was acknowledged that FERRARI had the best exhaust dumping system of all three (elimination of exhaust back pressure effect on power output) and that Alonso was a master of making the best use of it mostly at the starts of the race. Mercedes on the other hand for some reason or another did not let their drivers at liberty to use this system. Hope these points were of interst to those reading them.

107SS2009

January 20, 2015 12:05 PM

F1 » Honda can develop F1 engine in 2015


Continued, in this mode all possible back pressure is eliminated, and the maximum output from the engine is obtained, the use of this button is very critical on ES capacity. And here I hope that both Richard and golden oldie will read this because it explains why I call it a “TURBOSUPERCHARGER” exactly because the compressor can be and is driven (on these PU’S) without the use of the exhaust gasses.

107SS2009

January 20, 2015 11:55 AM

F1 » Honda can develop F1 engine in 2015


Continued, “turbo boost pressure”, the current PU’S uses between 2 and 3 bar boost, the higher boost used the higher the exhaust back pressure, the higher the back pressure the more the engine output will suffer, for this reason the following explanation is needed. Unlike KERS which used to be on call by the driver trough a push button ERS is mapped into the throttle pedal, but there is still a boost button on the steering wheel (all cars/teams), remember the cheating arguments Lulu/Rosber using it without being authorized?, this boost button works like this, the turbine (exhaust and impellor (compressor) having to be on the same shaft and rotates at the same speed while the MGU-H being coupled to the shaft and can be declutched (for safety reasons), when the driver uses that boost button all exhaust gasses from the engine are dumped to the exhaust tail pipe (bypasses) the turbo by means of the Waist gate and the compressor is driven at instant full boost by the MGU-H on ES power. To

107SS2009

January 20, 2015 11:16 AM

F1 » Honda can develop F1 engine in 2015


For the benefit of other readers, In addition to the already explained “what makes the strongest combustion” and that regardless of the “injection pressure the volume remains the same” here is some more information regarding valve timing, the most important thing on a forced induction engine is minimising valve overlap to prevent part of the boosted charge going right through from the intake valve to the exhaust valve with the consequence of drop-off in boosted pressure , which otherwise will have to be compensated for by a much bigger volume producing turbocharger. In a forced induction engine where there is no restriction on fuel flow the limit to power output will be what the engine can stand before going bang, while with a fuel restriction imposed the limit is the fuel flow on many a parameter of engine design/function. To be continued.

107SS2009

January 20, 2015 5:18 PM

F1 » F1: Palmer confirmed as Lotus third driver


Taz:
danyboy: This is great news. I enjoyed watching him race last season, he is a quick driver who also has control to go with his speed hopefully PDVSA will get p off with the Venezuelan crash kid and stop their Sponsor leaving the way open for Palmer senior to spend some of his money.
Problem is if they do go Lotus has a $35 million funding shortfall in their budget, he wouldn't be there otherwise.
Taz, From what I read I am amazed PDVSA funding is still forthcoming and yes such a shortfall can push Lotus over the edge.

107SS2009

January 20, 2015 1:09 PM

F1 » Saving Marussia ‘still certainly possible’ – Lowdon


mytyresaregoingoff: 107%% 1) I can see the value to Honda of running an extra 2 cars in 2015 but aren't they contracted to only supply McLaren this year? so even if McLaren set up a junior team can Honda supply them in terms of logistics as they have only planned for an 8 engine season. 2) Reach into your rules knowledge..How much data and technology can be passed between a senior and junior team?
Just remember that a senior team is actually the owner of a junior team. (Red Bull/STR).

107SS2009

January 20, 2015 1:05 PM

F1 » Saving Marussia ‘still certainly possible’ – Lowdon


Marussia were supplied with a complete power train by FERRARI and that included FERRARI soft ware and mapping. A PU supplied to a customer will include the MGU-K and MGU-H (ERS) and also the exhaust system. A PU supplier will have its own PU technicians allocated to its customers and any work on the PU, adjustments and repairs are carried out by them or under their supervision and not by the customer technicians. As I said elsewhere, soft ware and mapping regarding the PU is one of the few places that a manufacturer is near impossible to be beaten by a customer of the same PU. A PU supplier will be in a position to have all the information from the PU he supplies regardless of the customer using that PU. The more PU’S supplied the more the information.

107SS2009

January 20, 2015 10:05 AM

F1 » Saving Marussia ‘still certainly possible’ – Lowdon


Richard, it does look like Honda will be at a disadvantage having just two PU’S running on the grid. Even Stoffel Vandroone said that his only chances of a F1 race-seat could be in the hands of Honda supplying another team. As to the (B) team subject, it is a fact that since the formation of STR, RBR had the advantage of owning and running a (B) team, this was recognised by the other big three and it was understood that they were working on those lines (not as strong a line at FERRARI), but things got on hold by the prospects of customer cars being introduced.


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