From a 90dB event on Monday. It was my first time on track with the P1, and we got 14 laps of track time. Despite the 2.3 sec of lost time between T5 and T6 due to noise restrictions, it's already looking very very good


Limiting factor right now is definitely the tires; the chassis and brakes in particular are ready for more. Driving the P1 on Trofeo's is like driving a race car on worn-out slicks, and I expect to see this car's laptimes tumble as better tires become available.

 

Epic, thanks for sharing! Is there enough regeneration to keep the batteries charged and thus the power unit at full chat for an entire session?

 

Interesting question. The video I posted was from lap 6 of the session. Looking at the video, the prior 2 laps were both within 0.4 secs, so the car had reached a steady state of sorts by lap 4. I didn't have a video recording the dash to monitor charge state; I'll add that to my list for next round.

 

Some people have said that the Trofeos don't give much more grip than the legacy PZero Corsas (not the new PZero Corsa System on P1) but wear a lot faster. This review in particular. Any truth?

http://www.tyrereviews.co.uk/Tyre/Pi...ero-Trofeo.htm

 

It talks about it at 20:40 in this MT video. Basically if you're not getting past 250kph on straights it maintains charge. Beyond that you may(unknown?) not have the full beans at the top end for repeated laps, however you would still have it up to 250kph, which is the important part of acceleration for putting area under the vt graph faster. Beyond 250kph, you might be stuck with a mere 737hp and 500hp/ton I guess. I believe 'boost mode' and manual IPAS allow you to deploy it tactically.


Looking at the actual scale on the graph the battery never gets below 80% of max, so even with much longer straights you're probably looking at many laps to wear it down. It also starts near 70% charge and still makes it to 100%, so the narrow width of the graph is likely making it difficult to tell how sharp those max charge peaks really are. Clearly if it starts at 70% and makes it to 100%, then starting from a trough of 80%, it must get to 100% and stay there for a while. Even though it doesn't recharge from the wheels during braking, the engine is still recharging it during braking and during corners and during TCS intervention, basically any time WOT isn't used. The real issue is that it uses more gas to do it this way but the relatively small, lower revving 3.8L V8 likely uses less gas than bigger higher revving engines when not recharging and not having a KERS system saves weight and improves brake feel.

 

I can't say as I've never run Corsas on the P1. The Trofeos looked only mildly worn after 20 laps at Laguna and I expect to run several more sessions on them, so my experience was clearly different from the poster cited above.

 

Interesting. Thanks! Clearly a lot of different information going around about Trofeos.

 

Awesome video! The P1 looks and sounds amazing, it must be a blast to drive....

 

Amazing video, thank you for the share!!!