Hey all, I'm a bit of a rally nut, I often play the rally simulator "Richard Burns Rally" or RBR for short.
I've been buying cars in GT5 which are in RBR and matching the GT5 settings and specs to the ones in RBR as best I can but I have a question about LSD set ups.
I don't know if this is going to make any sense to anyone but some people might enjoy a good brain teaser
so here goes! ...
In RBR there are 2 sections in which you can modify the LSD lock values and they are...
Differential Maps; The strength of torque at which the front, rear and Center LSDs lock to under graduated percentages of acceleration and or braking. There are also settings for left foot braking, and speed but they do not apply, I am referring only to acceleration and deceleration locks for only 1 diff (the rear).
Differential Torque; The maximum locking pressure of the differential. (Measured in Nm, is usually modified in units of 50Nm at a time.)
I am trying to match these settings up with the Initial torque, acceleration and deceleration sensitivity in GT5 But I'm not sure what's what.
In RBR, under Differential Torque, the setting for the LSD is 350Nm, with the minimum possible value being 0Nm and the maximum 500Nm. I am assuming this is the equivalent of "Initial Torque" in GT5
Here is what I have been trying, but I am not sure if it's correct.
In the RBR setup under "Differential maps" my TA22 Celica's LSD gradually goes to 100% locked at 50% acceleration input. (60% lock at 30% throttle, 80% lock at 40% throttle etc.)
It is 0% locked at 0-100% braking (always open).
This is where I do some math...
For each of the 3 LSD settings in GT5 we have 55 adjustments from 5-60, I am going to pretend 0, 1, 2, 3 and 4 are there so that I can divide 60 instead of 55.
I am going to just use maximums and minimums as a reference because each game would use different amounts of torque for their maximum and minimum values, this way I keep a ratio which should retain the effect from RBR but at a faster/slower rate in GT5.
If the maximum diff torque setting in RBR is 500Nm, then 350Nm is 70% of 500Nm.
Here I find that 70% of 60 is 42 so I am setting the Initial torque in GT5 to 42.
The differential map in RBR Locks it up at 50% throttle so I set acceleration sensitivity to 30 to represent that.
The diff is always open under deceleration so I set Deceleration Sensitivity to 5.
What I am hoping is happening in GT5 is that only when the initial torque applied meets the value 42 does it lock my diff under the condition that I am also applying 50% or more throttle. It should also be opening it completely at any throttle position below 50% as well as keeping it open under decelleration regardless of whatever "initial torque" is being applied to the Differential.
Is this correct or do the settings in each game contradict the other?
I have the feeling that RBR can be open under low torque, locked as the torque rises and then opened again when it reaches the defined differential torque value but I can't understand how it is explained in various sources.
Please refer to page 18 through 20 of this guide for RBR to see if you can understand it:http://www.e-rajdy.pl/download/rbr_support/rbr_manual_eng2.pdf
I've been buying cars in GT5 which are in RBR and matching the GT5 settings and specs to the ones in RBR as best I can but I have a question about LSD set ups.
I don't know if this is going to make any sense to anyone but some people might enjoy a good brain teaser
so here goes! ...In RBR there are 2 sections in which you can modify the LSD lock values and they are...
Differential Maps; The strength of torque at which the front, rear and Center LSDs lock to under graduated percentages of acceleration and or braking. There are also settings for left foot braking, and speed but they do not apply, I am referring only to acceleration and deceleration locks for only 1 diff (the rear).
Differential Torque; The maximum locking pressure of the differential. (Measured in Nm, is usually modified in units of 50Nm at a time.)
I am trying to match these settings up with the Initial torque, acceleration and deceleration sensitivity in GT5 But I'm not sure what's what.
In RBR, under Differential Torque, the setting for the LSD is 350Nm, with the minimum possible value being 0Nm and the maximum 500Nm. I am assuming this is the equivalent of "Initial Torque" in GT5
Here is what I have been trying, but I am not sure if it's correct.
In the RBR setup under "Differential maps" my TA22 Celica's LSD gradually goes to 100% locked at 50% acceleration input. (60% lock at 30% throttle, 80% lock at 40% throttle etc.)
It is 0% locked at 0-100% braking (always open).
This is where I do some math...
For each of the 3 LSD settings in GT5 we have 55 adjustments from 5-60, I am going to pretend 0, 1, 2, 3 and 4 are there so that I can divide 60 instead of 55.
I am going to just use maximums and minimums as a reference because each game would use different amounts of torque for their maximum and minimum values, this way I keep a ratio which should retain the effect from RBR but at a faster/slower rate in GT5.
If the maximum diff torque setting in RBR is 500Nm, then 350Nm is 70% of 500Nm.
Here I find that 70% of 60 is 42 so I am setting the Initial torque in GT5 to 42.
The differential map in RBR Locks it up at 50% throttle so I set acceleration sensitivity to 30 to represent that.
The diff is always open under deceleration so I set Deceleration Sensitivity to 5.
What I am hoping is happening in GT5 is that only when the initial torque applied meets the value 42 does it lock my diff under the condition that I am also applying 50% or more throttle. It should also be opening it completely at any throttle position below 50% as well as keeping it open under decelleration regardless of whatever "initial torque" is being applied to the Differential.
Is this correct or do the settings in each game contradict the other?
I have the feeling that RBR can be open under low torque, locked as the torque rises and then opened again when it reaches the defined differential torque value but I can't understand how it is explained in various sources.
Please refer to page 18 through 20 of this guide for RBR to see if you can understand it:http://www.e-rajdy.pl/download/rbr_support/rbr_manual_eng2.pdf
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