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#Post#: 4250--------------------------------------------------
Re: Setup Workshop Series - Part 1 - Advance TAB
By: Tech G Date: September 1, 2017, 1:41 pm
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This could be equipment related and also maybe how you have your
brake pedal setup in the control section. I have standard G27
pedals, but generally run anywhere between 53-47 to 49-51 brake
balance (I think I am at 51 on Imola, but also this varies
depending on how much rubber has been laid down). I also have
the sensitivity turn down, so the initial breaking is softer and
gradually ramping up.
The rear wing and coast diff can help braking stability, but my
driving style I rarely stamp on the brake and like to be able to
use them to help with turning the car.
#Post#: 4257--------------------------------------------------
Re: Setup Workshop Series - Part 1 - Advance TAB
By: Rick Adams Date: September 2, 2017, 10:03 am
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You want to run the brake bias as far to the rear as you can. Go
too far and you will get bad results in a hurry. What I do to
run more rear bias once I have a decent setup under me is mess
with power/coast/preload, and engine braking power. For engine
braking the settings are 0-4. 0 gives you the most engine
braking power, which will loosen you under braking/turn in. 4
gives you the least engine braking power. I usually run mine
between 3-4.
Power, coast and preload. Power comes into play when on
throttle, so I won't discuss it here. Coast comes into play
while off throttle. Higher coast values make the car
tighter/under steer, lower coast values makes the car
looser/over steer.
Preload setting controls the response time of the power and
coast settings. The higher the number the faster the response,
the lower the number the slower the response. I have found that
higher numbers tend to help tighten the car up.
My current power/coast/preload setting for Imola on the Corvette
are 45/35/9. My brake bias is at 53/47. I have buttons mapped to
change this during the race. Sometimes I find that the rear end
gets a little too squirrelly when the car gets light on fuel.
When this happens I bump the bias up more to the front.
#Post#: 4259--------------------------------------------------
Re: Setup Workshop Series - Part 1 - Advance TAB
By: Chad Brown Date: September 2, 2017, 10:59 am
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So the Brake bias is Front:Rear? I actually thought the layout
was Rear:Front I generally left the brakes near 50:50 cause I
wasn't sure. Silly me. This is why I suck at setups.
Unfortunately this revelation will slip from my memory within 5
minutes of closing this web page. I have a memory like Cheese
Cloth.
#Post#: 4260--------------------------------------------------
Re: Setup Workshop Series - Part 1 - Advance TAB
By: Tig_green Date: September 2, 2017, 11:13 am
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I the first number is under 50 then you are more rear bias. I
don't think it's wise to go under 50. I have 54.
#Post#: 4261--------------------------------------------------
Re: Setup Workshop Series - Part 1 - Advance TAB
By: Rick Adams Date: September 2, 2017, 1:56 pm
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First number is front, second number is rear. You always want
the front more than the rear. On your every day street car i
think they are set default at 60/40.
#Post#: 4263--------------------------------------------------
Re: Setup Workshop Series - Part 1 - Advance TAB
By: Guiga Date: September 2, 2017, 7:09 pm
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What's a common power/coast value for GTs? I am so used to low
grip, powerful open-wheelers with 10% power and 15-25% coast, in
GTs I often lower them by a lot.
#Post#: 4266--------------------------------------------------
Re: Setup Workshop Series - Part 1 - Advance TAB
By: Rick Adams Date: September 2, 2017, 10:02 pm
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It varies and depends on the person driving.
#Post#: 4267--------------------------------------------------
Re: Setup Workshop Series - Part 1 - Advance TAB
By: Chad Brown Date: September 3, 2017, 12:53 am
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Near as I can tell they are both generally lower than 50 usually
around 20-40.
#Post#: 4275--------------------------------------------------
Re: Setup Workshop Series - Part 1 - Advance TAB
By: red bullet Date: September 3, 2017, 2:49 pm
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We're all learning apparently. :D
My diff settings are 60% power and 55% coast (for Imola). Last
week I only used 35% on coast.
As I see here, that is probably too high.
I increased the number on engine braking to 2 (from 0) and it
felt better on Imola.
#Post#: 4291--------------------------------------------------
Re: Setup Workshop Series - Part 1 - Advance TAB
By: Tig_green Date: September 6, 2017, 2:16 am
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Interesting thread about tire pressure effects in rf2:
HTML https://forum.studio-397.com/index.php?threads/why-do-low-tire-pressures-improve-lap-times.57735/
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