Jump to content


Bug Report And Fixes


  • Please log in to reply
203 replies to this topic

#106 Sid

Sid

    An unlapsed lapsed GPLer

  • Members
  • PipPipPipPipPipPipPipPipPipPip
  • 100 posts
  • Gender:Male
  • Location:5 miles from Brooklands
  • Interests:Only the 55 mod will tempt me back onto the track.
    Update: The 55 mod has tempted me back onto the track.
  • Sim interest:GPL

Posted May 14 2017 - 03:05 PM

No mention has been made that it's not just the metal of the discs/drums or the brake linings/pads that are failing due to excessive heat, but also the brake fluid. The stuff they used then probably has no comparison with what is available today.  It wouldn't take a great deal of braking to bring it to the boil which introduces bubbles and a very soft brake pedal. And yes I'm old enough too to remember this happening to me in my first car, the handbrake came in very handy.

#107 Bruce

Bruce

    Sir

  • Members
  • PipPipPipPipPipPipPipPipPipPip
  • 172 posts
  • Gender:Male
  • Location:Australia
  • Interests:None
  • Sim interest:GPL

Posted May 14 2017 - 03:12 PM

View Postducwolf, on May 14 2017 - 10:48 AM, said:

Last but not least: Give Yourself some time to learn to handle the patch.
Wolfgang, could you  please advise if the fade effect is also applicable to the AI?
I don't race on-line so if I am to continue using this mod and race against the AI I would like to know if it is a level playing field.

#108 gliebzeit

gliebzeit

    Targa Fan

  • Supporter
  • PipPipPipPipPipPipPipPipPipPip
  • 1,830 posts
  • Gender:Male
  • Location:Florida - USA
  • Interests:Old guy stuff...
  • Sim interest:GPL

Posted May 14 2017 - 03:23 PM

As Lee has mentioned elsewhere:

"The AI cars don't experience brake fade due to brake temperature, but their braking effectiveness is reduced to approximately match the player.  Disregard the brake temperature light for the AI cars as it has no meaning."

For the full discussion see Post #112 here:  https://srmz.racesimcentral.net/inde...ic=11810&st=105

Edited by gliebzeit, May 14 2017 - 03:25 PM.


#109 tramker

tramker

    Martin Krejčiřík

  • Members
  • PipPipPip
  • 19 posts
  • Gender:Male
  • Location:Prague, CZE
  • Interests:Racing
  • Sim interest:GPL

Posted May 14 2017 - 04:10 PM

Re discussion about the brake fade. I was at a historic racing meeting this weekend and there were two Maserati 250F. So naturally I asked one of the crews about the brake fade. They said it was not a real problem for them as the brakes have good cooling and stay good for a duration of a race (about 25 min.) They said it was more of a problem for sportscars which have worse cooling.

Edited by tramker, May 14 2017 - 05:29 PM.


#110 Michkov

Michkov

    Denny Hulme

  • Members
  • PipPipPipPipPipPipPipPipPipPip
  • 772 posts
  • Gender:Male
  • Location:Graz
  • Sim interest:I am here to spam and wish to be deleted after registering

Posted May 14 2017 - 04:57 PM

View PostBruce, on May 14 2017 - 12:14 AM, said:

View Postgliebzeit, on May 13 2017 - 10:30 PM, said:

"...........basically concluded that there was no big difference between drum and disk brake equipped cars for the amount of braking effectiveness at the same brake temperature."
Sorry guys, but you've totally lost me on that one.
"No big difference"?!!
Even solid discs could withstand (and still can today) far greater temps than drums even if the material used in the pads and the shoes was of the same type and because the disc expanded towards the pads, as opposed to a drum expanding away from a shoe, the braking efficiency was significantly higher.

From what I understand the team is saying, the brake performance for a given temperature is the same in both system. But the disks have a better cooling rate than the drums.

#111 Michkov

Michkov

    Denny Hulme

  • Members
  • PipPipPipPipPipPipPipPipPipPip
  • 772 posts
  • Gender:Male
  • Location:Graz
  • Sim interest:I am here to spam and wish to be deleted after registering

Posted May 14 2017 - 05:04 PM

View Posttramker, on May 14 2017 - 04:10 PM, said:

Re discussion about the brake fade. I was at a historic racing meeting this weekend and there were two Maserati 250F. So naturally I asked one of the crews about the brake fade. They said it was not a real problem for them as the brakes have good cooling and thay stay good for a duration of a race (about 25 min.) They said it was more of a problem for sportscars which have worse cooling.

Are we talking disk or drum brakes here? Period brake lining material or modern ones? The problem with historic cars is that they are rarely historic in terms of brakes, tyres and other wearables. So comments on their performance has to be taken with a certain amount of NaCl.

#112 Gartner

Gartner

    Jo Gartner - Helmuth Koinigg - Hermann P. Müller Karl Kling

  • Members
  • PipPipPipPipPipPipPipPipPipPip
  • 111 posts
  • Gender:Male
  • Interests:GP History, Music
  • Sim interest:GPL

Posted May 14 2017 - 05:05 PM

View Postdavef, on May 14 2017 - 09:59 AM, said:

Now that my GPL PC is broken and I'm currently MIA I have been reunited with part of my extensive LP Vinyl collection which I have now disappeared into. :wave:

:kewlpics: Yeah, save the vinyl. And even more, if it was recorded in Mono.:luck: But better avoid songs featuring FADE out   :)

#113 tramker

tramker

    Martin Krejčiřík

  • Members
  • PipPipPip
  • 19 posts
  • Gender:Male
  • Location:Prague, CZE
  • Interests:Racing
  • Sim interest:GPL

Posted May 14 2017 - 05:28 PM

View PostMichkov, on May 14 2017 - 05:04 PM, said:

Are we talking disk or drum brakes here? Period brake lining material or modern ones? The problem with historic cars is that they are rarely historic in terms of

Drum brakes. I didn't ask, but I assume they use modern materials.

#114 Royale

Royale

    Denny Hulme

  • Supporter
  • PipPipPipPipPipPipPipPipPipPip
  • 533 posts
  • Gender:Male
  • Interests:Leaving GPL better than I found it.
  • Sim interest:GPL

Posted May 14 2017 - 06:31 PM

View Posttramker, on May 14 2017 - 04:10 PM, said:

Re discussion about the brake fade. I was at a historic racing meeting this weekend and there were two Maserati 250F. So naturally I asked one of the crews about the brake fade. They said it was not a real problem for them as the brakes have good cooling and stay good for a duration of a race (about 25 min.) They said it was more of a problem for sportscars which have worse cooling.


So imagine a full length GP - three hours in some cases in 1955 - or research the results of a shorter race at Syracuse that year and see what happened to the Masers .
(p107 ---- https://books.google...se 1955&f=false)


and thanks Wolfgang & Mr Herrmann

Edited by Royale, May 14 2017 - 06:33 PM.


#115 Bruce

Bruce

    Sir

  • Members
  • PipPipPipPipPipPipPipPipPipPip
  • 172 posts
  • Gender:Male
  • Location:Australia
  • Interests:None
  • Sim interest:GPL

Posted May 14 2017 - 06:57 PM

View Postgliebzeit, on May 14 2017 - 03:23 PM, said:

As Lee has mentioned elsewhere:

"The AI cars don't experience brake fade due to brake temperature, but their braking effectiveness is reduced to approximately match the player.  Disregard the brake temperature light for the AI cars as it has no meaning."

For the full discussion see Post #112 here:  https://srmz.racesimcentral.net/inde...ic=11810&st=105
Excellent!
Thank you, Greg.

#116 gliebzeit

gliebzeit

    Targa Fan

  • Supporter
  • PipPipPipPipPipPipPipPipPipPip
  • 1,830 posts
  • Gender:Male
  • Location:Florida - USA
  • Interests:Old guy stuff...
  • Sim interest:GPL

Posted May 14 2017 - 07:03 PM

:thumbup:

#117 davef

davef

    Denny Hulme

  • Members
  • PipPipPipPipPipPipPipPipPipPip
  • 2,056 posts
  • Gender:Male
  • Interests:Auto Racing
  • Sim interest:GPL

Posted May 14 2017 - 08:12 PM

View PostGartner, on May 14 2017 - 05:05 PM, said:

View Postdavef, on May 14 2017 - 09:59 AM, said:

Now that my GPL PC is broken and I'm currently MIA I have been reunited with part of my extensive LP Vinyl collection which I have now disappeared into. :wave:

:kewlpics: Yeah, save the vinyl. And even more, if it was recorded in Mono. :luck: But better avoid songs featuring FADE out   :)

These 2 stacks are mostly first issue pressings passed on to me by my dad just like the R&T mags I used to share here. So yes, a lot of Mono issues from the British Invasion. Also period pressings of Hendrix, The Doors, Led Zep, Jeff Beck's Truth, Johnny Winter's Columbia debut &
Mike Bloomfield, Al Kooper and Steven Stills "Super Session" ​ etc, etc...   :band:

Edited by davef, May 14 2017 - 09:05 PM.


#118 PTRACER

PTRACER

    Denny Hulme

  • Members
  • PipPipPipPipPipPipPipPipPipPip
  • 154 posts
  • Gender:Male
  • Interests:Motor racing
  • Sim interest:GPL

Posted May 15 2017 - 01:45 PM

Just did my first race at Buenos Aires. I say "race" - four cars drove off onto the grass like it was the tarmac at Turn 1. Then at some corners the cars almost came to a standstill in the middle of the turns causing me to crash into them. Any revised AI using better lines planned?

#119 gliebzeit

gliebzeit

    Targa Fan

  • Supporter
  • PipPipPipPipPipPipPipPipPipPip
  • 1,830 posts
  • Gender:Male
  • Location:Florida - USA
  • Interests:Old guy stuff...
  • Sim interest:GPL

Posted May 15 2017 - 01:49 PM

PT, the AI at Buenos Aires do not act like that for me.  This is ba55n2 track, correct?  Maybe delete the track re-boot and then re-install the track.

... and this is driving the 55Mod, right?

Edited by gliebzeit, May 15 2017 - 01:50 PM.


#120 PTRACER

PTRACER

    Denny Hulme

  • Members
  • PipPipPipPipPipPipPipPipPipPip
  • 154 posts
  • Gender:Male
  • Interests:Motor racing
  • Sim interest:GPL

Posted May 15 2017 - 02:16 PM

Yep. Adding a "glass wall" modifier like at Spa has helped the problem at T1 on the first lap, but now blue flags are held up all around the track so perhaps I went too far with the setting.

I increased the dlong_speed_adj_coeff too which has helped a lot. The AI are just taking slower lines than me in some corners. The final turn they never come near the grass on the left and seem to slow down on the exit, and in the chicane over at the far side of the circuit they turn in too early and become slow in the right hander. Everywhere else is fine-ish.




0 user(s) are reading this topic

0 members, 0 guests, 0 anonymous users

Sim Racing Links