Rally2 (ex-R5) News

[Mirek]

There is absolutely no need for more power in R5 cars. They are already around the level of first WRC cars in late 90'. And as Liposh said any further increase won't be for free.

[dimviii]

Good thing: the 32 hp extra power that has the Ford Fiesta R5 Evo allows you to move from one end of 178 km / h to 189 km / h.

Iván Fernández ‏@fernischumi

Buen dato: los 32 CV de potencia extra que tiene el Ford Fiesta R5 Evo le permite pasar de una punta de 178 km/h a 189 km/h. #WRC #ERC

[aykutbilir]

I wonder what will be the technical updates of DS3&208 R5? I didnt have the press release yet about it..


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[Mirek]

Good thing: the 32 hp extra power that has the Ford Fiesta R5 Evo allows you to move from one end of 178 km / h to 189 km / h.

Iván Fernández ‏@fernischumi

Buen dato: los 32 CV de potencia extra que tiene el Ford Fiesta R5 Evo le permite pasar de una punta de 178 km/h a 189 km/h. #WRC #ERC

We have the power curve from M-Sport. Those +32 Hp is not at the peak power and therefore had no direct effect on top speed. That huge rise of power is around 4000 rpm only. The peak power grew around 7 Hp. Anyway M-Sport didn't use any joker for gearings and they have the same two top speed options as before. The longer gearbox existed since early 2015 I think but was rarely used due to already mentioned lack of torque. Therefore I would say it a bit different way. The stronger engine doesn't bring higher top speed itself but allows to use already existing long gearbox effectively.

Br21 may correct me if anything what I wrote is wrong

[dimviii]

havent see the dynoplot,but if they have just 7 hp at high revs yes,would be difficult to raise the top speed by 11 km/h.

[Mirek]

Here is the dyno from M-Sport:


Anyway the top speed isn't limited by the power but only by gearing as the top speed is always on rpm limiter (given by rules). Otherwise I managed to make over 190 km/h GPS even with 1.2TSI 63KW Rapid which I once got for a business trip

[Sulland]

Toyota will not start their R5 project until after their WRCar is launched according to eMotorsport.se

[dimviii]

Anyway the top speed isn't limited by the power but only by gearing as the top speed is always on rpm limiter (given by rules).

didn t know that from the rules the top speed must be on limiter.
So in this occasion yes not higher top speed with same gearing.Only faster to reach the top speed.

[br21]

Mirek is right of course. Already with normal engine in some situations longer gearbox was not worse than shorter one, so now with stronger engine it should be main option.
Regarding the PSA cars update is expected in March and will cover most those known relability problems (cooling, etc) plus some suspension, engine, steering things. Also Fiesta should receive some suspension upgrade in March probably.

[Mirek]

didn t know that from the rules the top speed must be on limiter.
So in this occasion yes not higher top speed with same gearing.Only faster to reach the top speed.

No, I may have written that in a confusing way. The top speed may be wherever on the curve but it can hardly happen that the power on rpm limiter is so small that it's can't be reached on top gear What is given by the rules is rpm limiter at 7500 rpm.