rec.autos.simulators

GPL: Secret to traction?

Yousuf Kha

GPL: Secret to traction?

by Yousuf Kha » Mon, 05 Feb 2001 17:15:05

Okay, what's the secret to getting traction in GPL? I mean apart from
stepping on the gas gingerly. I get the distinct feeling that there is
something I'm missing in the setups, because I see the computer racers
getting their power down and outdragging me in the straightaways, whereas
I'm modulating the gas pedal so gingerly that I might as well be standing
still. Any tips about setting the limited slip differential settings? What
about using the computer throttle help? (Yeah, I know using the trottle help
is cheating, but I'd like to know if anyone uses it to go faster?)

    Yousuf Khan

Schwa

GPL: Secret to traction?

by Schwa » Mon, 05 Feb 2001 22:41:26

I'm just starting to fool around with setups, so I can't answer your
questions. But I think the following links should be able to, if you haven't
seen them already:

Alison 'Eagle Woman' Hines page. Click on 'Help'
http://www.simracing.com/alison/gpl/

Richard Nunnini's GPL Foolishness
http://website.lineone.net/~richardn/

I downloaded some setups from Alison Hines page and suddenly the car was
driveable. Hope this helps.


Maxx

GPL: Secret to traction?

by Maxx » Mon, 05 Feb 2001 23:16:14

On Sun, 04 Feb 2001 08:15:05 GMT, "Yousuf Khan"


>Okay, what's the secret to getting traction in GPL? I mean apart from
>stepping on the gas gingerly. I get the distinct feeling that there is
>something I'm missing in the setups, because I see the computer racers
>getting their power down and outdragging me in the straightaways, whereas
>I'm modulating the gas pedal so gingerly that I might as well be standing
>still. Any tips about setting the limited slip differential settings? What
>about using the computer throttle help? (Yeah, I know using the trottle help
>is cheating, but I'd like to know if anyone uses it to go faster?)

Yousef.

No, using throttle help will not make you go faster. The AI do not
drive with the same physics as you do, so don't try and copy
what they do (braking points etc.).

Theres no secret top traction that I know of. The best you can do is
make sure your tires are up to temp/pressure. Do a lap or two from
cold, press Esc, seelction Car Setup and look at the boxes on your
right, they show tire temps (3 readings per tire) and PSI.

You want to be running at around 25-26 PSI and at about 200-250deg
on average (I think so, sure I'll be corrected if I'm wrong).

Maxx

Yousuf Kha

GPL: Secret to traction?

by Yousuf Kha » Tue, 06 Feb 2001 04:08:49


Yeah, I've gone to Alison Hines' webpage before too, downloaded some setups.
I can't seem to match the way she tosses the cars into a corner with the
tail*** out without going barrelling off the road or hitting an outside
wall, or going into the inside curb sometimes. Not with any consistency
anyways.

    Yousuf Khan

markgam

GPL: Secret to traction?

by markgam » Tue, 06 Feb 2001 06:29:12

Try these:
http://www.racesimcentral.net/

I am a very poor driver with lousy reactions and the attention span of a
dead otter. Yes, I'm sure the setups of Alison Hine and Gregor Huttu are
great if you are able to handle them, but they are no fun for me. So using
the information presented in the GPL Race Engineer (GRE), which is available
at http://www.racesimcentral.net/, I built a set of basic chassis
setups. I used them at *all tracks*. Yes, I'll wait while you purists pick
yourselves up off the floor...

I never have been good in any of the racing games with setups and I don't
have the patience to go through endless training sessions to see if changing
the fugglestat a quarter of a micron has improved my times. I just want to
race!! So I use the same setup at each track with the exception of the
gearing.

To use my setups, you have to modify them to have the right gearing for each
track. To get the right gears, do this: 1) start GPL and make sure you have
the right chassis selected, 2) go to the track you want to race on and load
the default setup, 3) reduce the fuel to, say, five gallons (plenty for
novice races, which is all I do), and 4) save this new setup with some
catchy name like "default_5gal". Then exit GPL.

If you have not already done so, install the "mg_GREroadcourses.xx" setups
in the setup folder of your player (EG C:\SIERRA\gpl\players\"your drivers
name"\setups), but not in any of the track folders in there; I put them one
level up, directly in the "setups" folder. Now start up GRE and open the
"mg_GREroadcourses.xx" setup appropriate for the chassis you want to use.
Then save it in the right setup folder appropriate for the track you
selected with any name you want. Then use the gearbox copy feature of GRE to
copy over the gearbox settings from the "default_5gal" setup.

The above steps sounds like a lot of work, but you only have to do it one
time for each chassis at each track. Once you have worked with the GRE for a
while you will find it an excellent tool. The advantage of course of having
the same chassis for all the tracks is that once you learn the ins and outs
of that setup you can go to each new track and just race instead of spending
hours tweaking a brand new setup.




> > I'm just starting to fool around with setups, so I can't answer your
> > questions. But I think the following links should be able to, if you
> haven't
> > seen them already:

> > Alison 'Eagle Woman' Hines page. Click on 'Help'
> > http://www.racesimcentral.net/

> > Richard Nunnini's GPL Foolishness
> > http://www.racesimcentral.net/~richardn/

> > I downloaded some setups from Alison Hines page and suddenly the car was
> > driveable. Hope this helps.

> Yeah, I've gone to Alison Hines' webpage before too, downloaded some
setups.
> I can't seem to match the way she tosses the cars into a corner with the
> tail*** out without going barrelling off the road or hitting an
outside
> wall, or going into the inside curb sometimes. Not with any consistency
> anyways.

>     Yousuf Khan

markgam

GPL: Secret to traction?

by markgam » Tue, 06 Feb 2001 06:35:53

Shoot, I also forgot to mention the other secrets to traction:

1) AITweak. If you slow down the other guy magically you will seem to have
more traction!

2) Guardrails and walls. Gosh, you do have GPL set to "No damage", don't
you?

3) Your opponents. Remember, eight wheels grip better than four.

Sorry, just had to get those out of my system!

Brett C. Camma

GPL: Secret to traction?

by Brett C. Camma » Tue, 06 Feb 2001 10:02:36

On Sun, 04 Feb 2001 19:08:49 GMT, "Yousuf Khan"


>> I downloaded some setups from Alison Hines page and suddenly the car was
>> driveable. Hope this helps.

>Yeah, I've gone to Alison Hines' webpage before too, downloaded some setups.
>I can't seem to match the way she tosses the cars into a corner with the
>tail*** out without going barrelling off the road or hitting an outside
>wall, or going into the inside curb sometimes. Not with any consistency
>anyways.

The consistency is a combination of experience and good hardware.  If
you have a consistent 36 frames-per-second display rate you'll do
better than if you only are managing 24 FPS.  Much under 30 and it's
like driving slightly inebriated.  You are always reacting a few
milliseconds too late.

The biggest epiphany I ever had was the the car will stick really well
when you go through a corner with the throttle in a neutral position
where the engine is not really driving the wheels nor vice versa.
This unlocks the rear differential and stops making the rear wheels
travel the same distance when cornering.  I usually will play the
throttle to set the tail out with a touch of a lift before going to
neutral through the middle 1/2, steering for a good exit to start
laying on the power.

Most of this all comes with sufficient investment of time.  A good
force-feedback steering wheel helps, too.

Regards,
Brett C. Cammack

(remove the DOTs from my return address to reply privately)

Disgruntled Go

GPL: Secret to traction?

by Disgruntled Go » Tue, 06 Feb 2001 10:30:42



From reading Steve Smith's "Four Wheel Drift" strategy guide, this is
pretty much all the teams of 1967 did as far as "setup" went.

DG

Yousuf Kha

GPL: Secret to traction?

by Yousuf Kha » Tue, 06 Feb 2001 15:35:56

After I picked myself off the floor from laughing, I said, "shoot, we must
be thinking alike".

            Yousuf Khan


Yousuf Kha

GPL: Secret to traction?

by Yousuf Kha » Tue, 06 Feb 2001 15:46:30



Tbird-1000, 256MB of PC133, GeForce 2 GTS with 32MB of DDR.

That hardware should do the trick, but sometimes I see little skips in the
action. It doesn't happen all of the time, maybe one skip in three laps, but
it's like watching a video tape with a rumple in the tape.

Works if you got a nice constant camber corner, but most corners aren't like
that in this game.

I got an MS FF wheel. I can't get the thing to gently nudge me as opposed to
try to twist my computer desk into splinters. I've tried setting the
max_steering_torque setting to as low as possible, and it doesn't seem to
accept it:

[ Joy ]
allow_force_feedback = 1                 ; Use FF if device has it
force_feedback_damping = 40.000000       ; force feedback damping
coefficient
force_feedback_latency = 0.085000        ; force feedback latency (secs)
max_steering_torque = 45.000000         ; steering torque in N*in giving max
device force

Mario Petrinovi

GPL: Secret to traction?

by Mario Petrinovi » Tue, 06 Feb 2001 15:53:53

The lower, the stronger.

: I got an MS FF wheel. I can't get the thing to gently nudge me as opposed
to
: try to twist my computer desk into splinters. I've tried setting the
: max_steering_torque setting to as low as possible, and it doesn't seem to
: accept it:
:
: [ Joy ]
: allow_force_feedback = 1                 ; Use FF if device has it
: force_feedback_damping = 40.000000       ; force feedback damping
: coefficient
: force_feedback_latency = 0.085000        ; force feedback latency (secs)
: max_steering_torque = 45.000000         ; steering torque in N*in giving
max
: device force
:
:
:

Yousuf Kha

GPL: Secret to traction?

by Yousuf Kha » Tue, 06 Feb 2001 22:09:43

Why would a lower setting make it stronger?

    Yousuf Khan


Ruud van Ga

GPL: Secret to traction?

by Ruud van Ga » Tue, 06 Feb 2001 23:23:48

On Mon, 05 Feb 2001 13:09:43 GMT, "Yousuf Khan"


>Why would a lower setting make it stronger?

Because it states the torque from the virtualized car, at which point
the maximum force feedback is given.
So at only 45 N.in (from the physics calculations), you get the max
feedback. Try setting it at 450, or higher.

...

Ruud van Gaal, GPL Rank +53.25
Pencil art    : http://www.marketgraph.nl/gallery/
Car simulation: http://www.marketgraph.nl/gallery/racer/

Brett C. Camma

GPL: Secret to traction?

by Brett C. Camma » Wed, 07 Feb 2001 12:30:46

On Mon, 05 Feb 2001 06:46:30 GMT, "Yousuf Khan"


>That hardware should do the trick, but sometimes I see little skips in the
>action. It doesn't happen all of the time, maybe one skip in three laps, but
>it's like watching a video tape with a rumple in the tape.

Change your swap file (virtual memory) settings from "Let Windows
Manage It" to "I'll Manage It".  Set your Max and Min sizes the same
at around 2 or 4 times your memory size. (experiment).  Make sure
nothing's running but Explorer and Systray before starting GPL.  Also,
check to see what you have your graphic aperture size set to in your
CMOS setup.  Try 64 megs and others until you lose the stuttering.

That's right, but if you don't grasp the concept and apply it, these
things understeer like pigs because the rear wheels are locked
together trying to push the thing straight ahead.  I feather the
throttle most every corner once I've turned in until I'm lined up for
a clean exit.   Did you mean camber or radius?   Suffice to say if the
engine is not matched in revs to the car's speed in any gear at coast,
the differential is locked to a greater or lesser extent and that
reduces the ability to carve a corner well.   It may only be a
transitory phase of taking a corner, but is quite important
nonetheless.

Are there settings in the Windows Control Panel under Game Controllers
also for overall settings?  The Logitech FF wheel has a place there
where you can set the baseline values for all games.  Instead of just
three figures to***around with, I have four.  It just extends the
amount of time necessary to find what you like.  A tedious, but
rewarding endeavor.

Regards,
Brett C. Cammack

(remove the DOTs from my return address to reply privately)

themightyp..

GPL: Secret to traction?

by themightyp.. » Wed, 07 Feb 2001 15:41:22



Damn, I just had that epiphany tonight. Haven't played much--hardly at
all lately--and decided to try a few laps at Rouen. Of course having
the epiphany and executing are two different things. I did manage to
shave 2 secs off my dismal Rouen PB and I haven't touched this game
since November :-)

Chris

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