rec.autos.simulators

Help with GPL Kyalami

Jeff Rei

Help with GPL Kyalami

by Jeff Rei » Mon, 02 Oct 2006 16:18:36

My goal is to get a sub 1:20.50, but my best so far is a 1:20.75, and I seem to vary betwen low 1:21's to 1:22's.
Looking for help or advice. I using a setup very similar to the GH1 setup for Kyalami.  I've been messing with this for
about 3 days and seem to have hit a wall. It's a struggle just to get low 1:21's.

Here is a link to a zip of my setup, the fast lap replay, and a typical practice run (where best lap is 1:21.29).

http://www.racesimcentral.net/

Tony Rickar

Help with GPL Kyalami

by Tony Rickar » Mon, 02 Oct 2006 18:47:25


> My goal is to get a sub 1:20.50, but my best so far is a 1:20.75, and I seem to vary betwen low 1:21's to 1:22's.
> Looking for help or advice. I using a setup very similar to the GH1 setup for Kyalami.  I've been messing with this for
> about 3 days and seem to have hit a wall. It's a struggle just to get low 1:21's.

You don't say which car (I haven't seen the replay)

The biggest gain I ever got in GPL was after several years of league
racing to take a year or so out doing FDs and F2s. On return to F1s I
took a chunk of time out of my PBs having spent ages *** away at
them before. My Ferrari times went from low 21s to high 19s at Kyalami
running the same setup.

I couldn't tell you what I did differently though. I think it is
possible that once you have become really familiar with a track it is
hard to unlearn it and do anything different. After driving the lower
powered cars you have to relearn braking, turn in and gear change points
and when you can get back on full throttle. For it to work I guess it
needs to become second nature in the other formulae first.

Not the quickest solution though!

Cheers
Tony

Jeff Rei

Help with GPL Kyalami

by Jeff Rei » Mon, 02 Oct 2006 18:55:29

Lotus.

Ok, so maybe after several years, I'll get this. Was hoping for something
shorter.

Pete

Help with GPL Kyalami

by Pete » Mon, 02 Oct 2006 20:05:28


says...

Have you had a look at some of the hotlap replays (if they're still
around).  Plus, there used to be a program (forget its name) that used
to allow you to compare 2 or more saved laps together.  This could then
show you where you're losing the most time compared to say an alien
hotlap, or even a different one of your own.  It's surprising sometimes
how an overall slower lap can have been faster in some corners than your
best lap.

--
Pete Ives
Remove All_stRESS before sending me an email

Jeff Rei

Help with GPL Kyalami

by Jeff Rei » Mon, 02 Oct 2006 20:52:34

I'm using replay analyzer, comparing my laps and the reference lap. My
main problem is the last 35% of the lap.

In the replay of the 1:20.751 lap, I get a good (for me) 25% and 50% time,
mostly because at the end of the straight, I get the next two rights
good, especially the 2nd one, where I brake late and hard right into a
good line and speed for that second right. Then I get a good run on the
next left where you use all of the track.

After dozens of laps, I'm getting better on the last part of the track,
so it's just a case of combining the best parts of various laps into
a single lap, or "miracle happens here". As I learn the trak, I'm
braking further into the the corner entry, but I don't really trail
brake, instead I just use the coast side differential, sometimes
downshifting to control entry speeed, then upshifting to exit.

Tony Rickar

Help with GPL Kyalami

by Tony Rickar » Mon, 02 Oct 2006 20:56:48


>> The biggest gain I ever got in GPL was after several years of league

> Ok, so maybe after several years, I'll get this. Was hoping for something
> shorter.

The point being the gain was made after several years of F1 by switching
to FD/F2 and then back. *Immediately* after switching back I was over 1
sec faster. It is the switch rather than the several years that is
important :)

Cheers
Tony

Jeff Rei

Help with GPL Kyalami

by Jeff Rei » Mon, 02 Oct 2006 21:25:24

Ok, I never tried those cars. I'm starting to get more consistent in getting low
1:21's, and if I can just put the best parts of different laps into a single lap,
I'll get there. For me improving my time at Nurburg Ring (Nordschleife) was a bit
easier, because I've used that track on so many other games, and it only took a
few days to join the 500 second club, with a 8:15.32, which accounts for about
1/2 of my negative GPL Rank of -12.

Jeff Rei

Help with GPL Kyalami

by Jeff Rei » Tue, 03 Oct 2006 13:00:40

Making some progress, a 1:20.90, then a 1:20.79, with a more conservative
approach, trying to get the apexes, especially the last 30% of the track.

May get a sub 1:20.50 within a week, depending on how much time I have.

Byron Forbe

Help with GPL Kyalami

by Byron Forbe » Tue, 03 Oct 2006 18:59:06

    Lowering the acc ramp and raising the decelleration ramp makes you go
faster. Takes a little getting used to but lap times come down.


Jeff Rei

Help with GPL Kyalami

by Jeff Rei » Wed, 04 Oct 2006 01:09:20

A few more sub 1:21's but still losing almost 1/2 second to the
reference replay after about the 50% point. Looking at merged
replays, the reference car takes the turns just after the hairpin
a bit faster. I can do hotlaps for about 1/2 hour or so, then
I start getting worse, not sure what's going on. Anyway,
I updated my zip file with the setup and 4 of my sub 1:21 runs.

http://jeffareid.net/gpl/jrkl.zip

Andreas Davou

Help with GPL Kyalami

by Andreas Davou » Wed, 04 Oct 2006 03:47:52


> > You don't say which car (I haven't seen the replay)

> Lotus.

> > The biggest gain I ever got in GPL was after several years of league

> Ok, so maybe after several years, I'll get this. Was hoping for something
> shorter.

Kya is regarded as the toughest benchmark time. Take your time. :)

/Andreas

--
A: Because it fouls the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing on usenet and in e-mail?

Jeff Rei

Help with GPL Kyalami

by Jeff Rei » Wed, 04 Oct 2006 10:26:24

I'm already negative, but just barely. Was just trying to shave
another .25 off my old time, but so far it's just .004.

Jeff Rei

Help with GPL Kyalami

by Jeff Rei » Wed, 04 Oct 2006 13:40:30

I raised coast ramp, was running 85/45/5, switched to 85/60/5, time down
to a 1:20.61, so at least an improvement.

Byron Forbe

Help with GPL Kyalami

by Byron Forbe » Wed, 04 Oct 2006 17:48:58


    The target to shoot for at any track is 30/85 with 1 clutch.

    The 85 decelleration ramp with 1 clutch allows maximum turn in
capability - this is obviously dependent on your control/driving ability

    The 30 acceleration ramp makes the rear end work as one piece (almost).
This makes the car turn better (test thru Escari at Monza for example). The
other huge benifit of this is that you dont spin the inside tire coming off
corners (like Parabolica). This does make the car a little more prone to
snap oversteer but once again, how good are you? :)

Greg Campbel

Help with GPL Kyalami

by Greg Campbel » Wed, 04 Oct 2006 23:43:02



>>I raised coast ramp, was running 85/45/5, switched to 85/60/5, time down
>>to a 1:20.61, so at least an improvement.
>     The target to shoot for at any track is 30/85 with 1 clutch.
>     The 85 decelleration ramp with 1 clutch allows maximum turn in
> capability - this is obviously dependent on your control/driving ability
>     The 30 acceleration ramp makes the rear end work as one piece (almost).
> This makes the car turn better (test thru Escari at Monza for example). The
> other huge benifit of this is that you dont spin the inside tire coming off
> corners (like Parabolica). This does make the car a little more prone to
> snap oversteer but once again, how good are you? :)

30 drive is gross overkill for many tracks.  Trying to navigate
something like the Mexico esses with that level of spool induced
understeer is silly.  If you need a 30 to make the pig turn, the car's
chassis is way underbalanced, IMO.

Agree with the 85 coast, although some tracks, like the Ring, really
want the extra stability of a 60.

Jeff, try a smaller step, and aim for something like 60/60/1.  Move the
brake bias forward if you're loosing the rear on corner entry.

-G


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