[WIP] CART Factor
- Thread starter zerocool
- Start date
DiggerHawk
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Looking at the files the rF2 version only has road tyres (soft/wet). I wonder if the AMS1 oval tyres could be added?
Obviously in real life these cars didn't race at Indy thanks to the split so it would be hard to know for sure if they would of run flat out. As far as this mods concerned a lift and coast in to the corners is the way to go.
As I understand it, changing the AI logic to 2 disables the "flexible superspeedway driving line". So would that keep the AI on the single racing line?
The fuel usage is a tricky subject as for my mod I have reduced the AI fuel usage to better match the player on road courses. But you are suggesting that it should be the opposite for the ovals. Maybe a compromise is needed or maybe a different setting for each is possible.
In terms of the gear shifts have you seen BeGee's update on page 13 of this thread? He has amongst other things switched the gear box to a sequential with auto-blip, which is how it worked in real life at this time. This change thanks to BeGee will also be included in my future updates.
That's actually a bit funny you say that about the ai logic disabling the SS driving line.... I thought putting 2 in was a mode for ovals, but it is actually the opposite looking at the description.
Having said that i still like it at 2 for ovals.
The reason why i like the setting at 2 for ovals is that at least in my case it stops the AI from crashing into me all the time. For example when i pass an AI at the backstraight at Indy the AI will try to take back the position right away IN turn 3, which makes no sense. Result at a setting other then 2 is that i will have a lot of contact with AI cars.
With the setting at 2 they try to stay in the 'one driving line' and not try to pass me back right away regardless of what their track position is, but actually set up the pass a lap later at a less risky spot.
I then us the AI Limiter to get a setting where the AI is passing but faster drivers who should be in front (in terms of talent files) are in front.
I will dive into BeGee's update, thnx for the heads up.
Having said that i still like it at 2 for ovals.
The reason why i like the setting at 2 for ovals is that at least in my case it stops the AI from crashing into me all the time. For example when i pass an AI at the backstraight at Indy the AI will try to take back the position right away IN turn 3, which makes no sense. Result at a setting other then 2 is that i will have a lot of contact with AI cars.
With the setting at 2 they try to stay in the 'one driving line' and not try to pass me back right away regardless of what their track position is, but actually set up the pass a lap later at a less risky spot.
I then us the AI Limiter to get a setting where the AI is passing but faster drivers who should be in front (in terms of talent files) are in front.
I will dive into BeGee's update, thnx for the heads up.
tchachalowski
Registered
are these tires the right compounds for oval?
are these tires the right compounds for oval?
are these tires the right compounds for oval?
PatientRF2fan
Registered
I have also been looking at tires.
It appears that both the goodyears and firestones use the same TBC file data but use different TGM
The Goodyears use the ALT (SOFT) ISI TGM FILE
The Firestones use the Primary(MED) ISI TGM FILE
I setup upgrades to use the ShortOval and Speedway ISI TGMS.
I plan to do some testing and experiment with the number on both the TGM and TBC.
I am also looking for a general description for Short Oval and Speedway tires attributes?
I imagine short ovals are more durable that a road tire and the speedway are harder plus maintain their shape at speeds over 200.
Anyone else know?
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davehenrie
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I would think oval tires generate heat more from longitudinal rotation than from lateral friction. Most of the CART Short ovals were flat or nearly so, that would suggest the short oval tire should be more similar to the roadcourse tire. Short flat ovals are really just a two turn road course.
Hi what do you mean with "the ShortOval and Speedway ISI TGMS."?
I've now raced a bunch of ovals (including some of @tchachalowski tracks) and i dont think the tires are right.
I have no issue regarding grip and wear compared to ai on rc's, but on the ovals i have limited grip (on tge speedways, not the short ovals) andhuge tire wear issues (both ss as short ovals). Basicaly my tires wear within 60%-80% of the stints of the ai.
PatientRF2fan
Registered
image space incorporated ISI before studio 397 took over
Had default open wheel tires that were used on most open wheel mods. They had a Alternative Primary Short Oval and Speedway
Seems to be the only place to download them now.
http://meetme.bplaced.net/rF2_onlineTools/
Had default open wheel tires that were used on most open wheel mods. They had a Alternative Primary Short Oval and Speedway
Seems to be the only place to download them now.
http://meetme.bplaced.net/rF2_onlineTools/
PatientRF2fan
Registered
It involves unpacking editing lines and files then repacking. Then manipulating and testing numbers repacking every time. Give me some time and I will get back to you.
USCTrojan4JC
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Just a quick FYI that in 1998 drivers could upshift without lifting, but still had to manually blip the throttle when downshifting.
Here is a video from 2002 of Adrián Fernández working the pedals in his car.
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USCTrojan4JC
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I had been away from this thread for 6+ months. Just wanted to say wow and great work, @BeGee and @DiggerHawk!
PatientRF2fan
Registered
Nice catch USCTrojan,
https://auto.howstuffworks.com/champ-car.htm#pt6
A Champ Car uses a six-speed sequential transmission that is more similar to a motorcycle's transmission than to a typical automobile's. Shifting is done by the driver using a small lever to the right of the steering wheel:
Another feature of a Champ Car's engine and transmission is called Shift Without Lift, or SWOL. The engine control unit allows the transmission to shift gears without the driver lifting off the accelerator. The driver can therefore upshift without using the clutch or letting off the gas, and this maximizes acceleration. The SWOL feature is also available during downshifting, but the driver must match engine rpm with the gear choice during the downshift.
Great insight buddy! Thanks for sharing this info.
DiggerHawk
Registered
Thank you for finding this information. I believe looking at the HDV files it would just require a change to the "SemiAutomatic=1" line to "SemiAutomatic=2" as according to the annotated skipbarber HDV file that would mean upshifts are semiautomatic but downshifts would be manual. I don't know if anything else would need adjusting, @BeGee was the one who started looking at the HDV's, maybe he could advise on the way forward.
On an other note does anybody have a picture that shows what the rain light looked like on the rear end of the Penske PC-27? I have found some that give a reasonable view of the other chassis but the one image of the Penske I could find it didn't have one fitted. Were the rain lights fitted at all times or was it only on the road/street tracks?
davehenrie
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I would assume on road courses only. Like Nascar, I don't think the tire companies were comfortable letting folks circulate on the the big ovals in the wet. Smaller venues, like perhaps Nazareth, Phoenix, Milwaukee....perhaps those....tracks that required braking even in the dry.
USCTrojan4JC
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Do we have a winner here? https://www.flickr.com/photos/39471412@N02/17235535038/in/dateposted/
Although after zooming in, I still can't make out much.
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USCTrojan4JC
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If someone is in the U.K., maybe they could go to Donington and shoot some reference photos? 
https://www.flickr.com/photos/doctor_dave/12929678233/
https://www.flickr.com/photos/doctor_dave/12929678233/
DiggerHawk
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Do we have a winner here? https://www.flickr.com/photos/39471412@N02/17235535038/in/dateposted/
Although after zooming in, I still can't make out much.
Great find with that pic!
From what I can make out the rain light is that rectangle part that spans the rear wing supports. Comparing it to a pic I found of the car at Donington there is a difference in this area. The Donington car has a thin symmetrical aerofoil spanning the rear wing supports apposed to that rectangle shape. The fact the Donington car is in oval spec suggests that they didn't carry a rain light on ovals (one less part to replace in an accident maybe? Considering it wasn't needed on ovals).