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A sim racer's journey to the tracks of the 2008 Formula1 season

Personal Hotlap - 2:05.611 - Sepang International Circuit, Malaysian Grand Prix

Posted on January 4, 2008 16:50 by ScottDrake

This hotlap is from my third session at Sepang. Getting better with the line and with braking at an appropriate time. Still working out the line. I've got some work to do on the back corridor including corners 5-8. Those are extremely important for fast lap times because they are high speed.

The other thing I'm discovering is the curbing at this track is rough. You can put two wheels on it with no problem, but don't drop a wheel off the other side on most corners or it will wreck you.

Still like this track.

Overhead View

In-car View

Personal Hotlap - 2:06.957 - Sepang International Circuit, Malaysian Grand Prix

Posted on January 3, 2008 12:48 by ScottDrake

This hotlap is from my second session at Sepang. I'm not dissatisfied with it, but it illustrates some classic mistakes that are hard habits to break. The primary mistake I'm making is focusing on entry speed instead of exit speed. In a lot of the corners, you will see me shoot past the racing line and the car I'm chasing start to pull away when exiting the corner. At this stage of my learning, I need to be focusing on the line and exit speed, not on how late I can brake.

But it's a start.

Overhead View

In-car View

How to reduce head shake in rFactor

Posted on January 3, 2008 10:52 by ScottDrake

I'll post a few tips about rFactor occasionally. One of the things I've done to improve the driving experience is reduce the amount of head shake in the game.

To do this, you need to locate the plr file for your player and change one setting. Here are the steps:

  1. Find your rFactor install folder. In my case, it's c:\Program Files\rFactor
  2. Click into the UserData folder
  3. You will see a folder for each user profile you have created in rFactor. In my case, I have Scott, AI Player, test 1, test 2, etc.
  4. I open the Scott folder
  5. There will be a file name <profile name>.plr. In my cass, Scott.plr
  6. Right-click the file and choose open with > Notepad
  7. Press keys <ctrl>+f and type or paste Cockpit Vibration Mult1
  8. You'll like land on the line Cockpit Vibration Mult1="1.00000". Change this value to 0.50000, as well as the value for Cockpit Vibration Mult2 to 0.50000.
  9. Save the file and restart rFactor.

See if that makes it better. If not, set the value lower all the way down to 0. I prefer to leave some head shake as I feel it adds to the immersion.

 

 

First Impressions of Sepang International Circuit, Malaysian Grand Prix

Posted on January 3, 2008 10:26 by ScottDrake

I like this track. It's challenging in different ways than Albert Park. Being a purpose-built track, it's wider and generally has a lot more of a runoff area. It has a decent amount of vertical change which adds more challenge to finding the right balance of the car while driving. It has a lot of corners that are long, sweeping, and fast which you will find more challenging.

I don't like how the AI enters and exits the pit lane. On entry, it is in the racing line and then veers wildly to the pit lane crossing the outer lane of traffic. Not sure how it will react if another car is out there. On entry to the track, it again veers wildly back into the racing line. I have yet to be hit by one, but I have seen other AI cars get hit by one re-entering the track.

I drove about 60 laps today and rode along with the AI for another 20 or so. I've gotten up to speed pretty quickly on this track after my initial analysis. I'm still finding it hard to put together complete laps, but I feel like I'm further along after this many laps than I was with Albert Park.

Attached is a hotlap from the AI, as well as a screen shot of each corner.

AI Hotlap, In Car

AI Hotlap, Overview

This lap was completed in 2:04.709 (124.163 seconds).

The gear, RPM, MPH, and time between corners are measured at the point the RPMs begin to increase when exiting a corner. The screen shots are also from the point of acceleration from the corner.

Let’s take a look at a lap.

Corner 1

Corner 1 is a tight hairpin leading quickly into a left-hander.

2nd gear, 4679 RPM, 47 MPH
13.667 seconds from start
22.163 seconds from corner 15
5.396 seconds to corner 2

Image 1: Corner 1 Midpoint

rFactor, Sepang International Circuit, Malaysian Grand Prix, Corner 1

Corner 2

Corner 2 is a slightly downhill left-hander immediately after the turn 1 hairpin.

2nd gear, 4333 RPM, 43 MPH
18.733 seconds from start
5.066 seconds from corner 1
17.767 seconds to corner 4

Image 2: Corner 2 Midpoint

rFactor, Sepang International Circuit, Malaysian Grand Prix, Corner 2

Corner 3

Corner 3 is a sweeping right-hander that is taken full out.

Corner 4

Corner 4 is an uphill right hander.

3rd gear, 4604 RPM, 60 MPH
36.500 seconds from start
17.767 seconds from turn 2
9.8 seconds to turn 5

Image 3: Corner 4 Midpoint

rFactor, Sepang International Circuit, Malaysian Grand Prix, Corner 4

Corner 5

Corner 5 is the first of two high-speed corners along this corridor.

5th gear, 5525 RPM, 109 MPH
46.300 seconds from start
9.8 seconds from turn 4
4 seconds to turn 6

Image 4: Corner 5 Midpoint

rFactor, Sepang International Circuit, Malaysian Grand Prix, Corner 5

Corner 6

5th gear, 5488 RPM, 107 MPH
50.300 seconds from start
4 seconds from turn 5
7.5 seconds to turn 7

Image 5: Corner 6 Midpoint

rFactor, Sepang International Circuit, Malaysian Grand Prix, Corner 6

Corners 7 and 8

Corner 7 is a flat, fairly high-speed right hander that leads almost immediately into the Corner 8 which is also a right-hander.

Corner 7: 4th gear, 5645 RPM, 93 MPH
57.800 seconds from start
7.5 seconds from turn 6
12.867 seconds to turn 9

Corner 8: 4th gear, measured acceleration

Image 6: Corner 7 Midpoint

rFactor, Sepang International Circuit, Malaysian Grand Prix, Corner 7

Corner 9

Corner 9 is one of the bigger breaking zones outside of the hairpins. It is a tight, uphill, left-hander.

2nd gear, 4438 RPM, 45 MPH
70.667 seconds from start
12.867 seconds from turn 7
9.033 seconds to turn 11

Image 7: Corner 9 Midpoint

rFactor, Sepang International Circuit, Malaysian Grand Prix, Corner 9

Corner 10

Corner 10 is a right-hander that trickles into corner 11.

Corner 11

Corner 11 is a fairly high-speed right-hander that falls away and leads to a short downhill shoot.

3rd gear, 5349 RPM, 70 MPH
79.700 seconds from start
9.033 seconds from turn 9
8.267 seconds to turn 12

Image 8: Corner 11 Midpoint

rFactor, Sepang International Circuit, Malaysian Grand Prix, Corner 11

Corner 12

Quick left-hander.

5th gear, 5728 RPM, 113 MPH
87.967 seconds from start
8.267 seconds from turn 11
7.133 seconds to turn 14

Image 9: Corner 12 Midpoint

rFactor, Sepang International Circuit, Malaysian Grand Prix, Corner 12

Corners 13 and 14

Continue acceleration from corner 12 into corner 13 before beginning braking for corner 14. Corner 14 is a long sweeping right-hander that is at least two corners built into one. It falls away and seems to go on forever before opening up to one of the two straight-aways enclosing the main grandstands.

Corner 14: 3rd gear, 4535 RPM, 59 MPH
95.100 seconds from start
7.133 seconds from turn 12
20.783 seconds to turn 15

Image 10: Corner 14 Midpoint

rFactor, Sepang International Circuit, Malaysian Grand Prix, Corner 14

Corner 15

Corner 15 is the second hairpin and leads back onto the front straightaway.

2nd gear, 4908 RPM, 50 MPH
115.833 seconds from start
20.783 seconds from turn 14
22.163 seconds to turn 1

Image 11: Corner 15 Midpoint

rFactor, Sepang International Circuit, Malaysian Grand Prix, Corner 15

Hot-lapping at Albert Park Grand Prix Circuit, Australian Grand Prix

Posted on December 26, 2007 12:17 by ScottDrake

This is a breakdown of my personal-best hot-lap at Albert Park. Video of it can be found on this post. The lap was completed in 1:54.926 (114.926 seconds).

The gear, RPM, MPH, and time between corners are measured at the point the RPMs begin to increase when exiting a turn, or the point that I start to unwind the steering wheel. The screen shots are also from the point of acceleration from the corner.

Let's take a look at this lap and compare it to the AI hot-lap analyzed in a previous post.
 

Corners 1 and 2

Corners 1 and 2 are located at the end of the long front straight.

Corner 1: 3rd gear, 5357 RPM, 70 MPH
6.334 seconds from start
15.367 from corner 16
15.533 to corner 3

Corner 2: Measured acceleration but if you get turn 1 correct, it should be full acceleration.

AI:
Corner 1: 2nd gear, 3700 RPM, 40 MPH
6.933 seconds from start
17.063 from corner 16
16.074 to corner 3

Corner 2: Full acceleration

Notes: I'm back on the gas much quicker and even though I'm covering more ground from midpoint to midpoint, I shave more than ½ second off the time of the AI.

Image 1: Corner 1 Midpoint


Corner 3

Corner 3: 2nd gear, 5028 RPM, 50 MPH
21.867 seconds from start
15.533 from corner 1
4.133 to corner 4

AI:
Corner 3: 2nd gear, 4206 RPM, 44 MPH
23.067 seconds from start
16.074 from corner 1
5.833 to corner 4

Notes: I'm much deeper into this corner on braking than the AI car. Since it's a short shoot to corner 4, there's little to be gained by maximizing exit speed so hold as much speed as you can deep into the corner.

Image 2: Corner 3 Midpoint

 

Corner 4

3rd gear, 5663 RPM, 74 MPH (I'm back on the gas at this point but it is measured)

26 seconds from start
4.133 from corner 3
5.267 to corner 5

AI:
3rd gear, 5485 RPM, 72 MPH,
28.900 seconds from start
5.833 from corner 3
5.169 to corner 5

Notes: Through this point in the track, I have shaved nearly 3 seconds from the AI's time by focusing on exit speed through corners 1 and 2, and braking deeper in turn 3.

Image 3: Corner 4 Midpoint  

 

Corner 5

4th gear, 6207 RPM, 101 MPH
31.267 second from start
5.267 from corner 4
9.1 to corner 6

AI:
4th gear, 6137 RPM, 100 MPH
34.069 seconds from start
5.169 from corner 4
8.331 to corner 6

Notes: I generally take a wider line through turn 5 and clip the grass near my turn in point. Can't say I'm gaining a great deal by doing this but it gives me a wider arc.

Image 4: Corner 5 Midpoint  

 

Corners 6, 7, and 8

Corner 6: 2nd gear, 5781, 58 mph
40.367 seconds from start
9.1 from corner 5
14.867 to corner 9

Corners 7, 8: full acceleration

AI:
Corner 6: 3rd gear, 4532 RPM, 60 MPH
42.400 seconds from start
8.331 from corner 5
14.667 to corner 9

Corners 7, 8: full acceleration

Notes: This corner remains probably my biggest struggle on the track. It looks like I lost a second in this corner but that's a bit misleading since I measure midpoints and mine was much later than the AI. Still, this corner remains tricky for me.

In the big picture, this corner is not good for passing so it serves little value and as long as you can hold your position, there's little to be gained or lost here in racing. 

Image 5: Corner 6 Midpoint 

 

Corners 9 and 10

Corner 9: 2nd gear, 5005 RPM, 51 MPH
55.234 seconds from start
14.867 from corner 6
15.833 to corner 11

Corner 10: should be full acceleration.

AI:
Corner 9: 2nd gear, 4760 RPM, 49 MPH
57.067 seconds from start
14.667 from corner 6
16.663 to corner 11

Corner 10: full acceleration

Notes: I messed myself up on this corner and turned in way too early. I ended up carrying plenty of speed but was a bit out of shape in corner 10. I was on the gas a bit too hard and about lost the rear and had to let up slightly which threw me off. Probably lost a 0.5-1 second on this combination of corners.

Image 6: Corner 9 Midpoint 

 

Corners 11 and 12

Corner 11: 4th gear, 5385 RPM, 87 MPH
71.067 seconds from start
15.863 from corner 10
3.037 to corner 12

Corner 12: 4th gear, 6339 RPM, 101 MPH
74:104 seconds from start
3.037 from corner 11
12.696 to corner 13

AI:
Corner 11: 3rd gear, 5776 RPM, 75 MPH
73.700 seconds from start
16.663 from corner 10
2.963 to corner 12

Corner 12: 4th gear, 5320 RPM, 87 MPH
76:663 seconds from start
2.963 from corner 11
13.737 to corner 13

Notes: This is by far my favorite combination of corners on this track both for hot-lapping and racing. The AI does a very poor job in this corner and it can be taken much faster.

Image 7: Corner 11 Midpoint 

Image 8: Corner 12 Midpoint 

 

Corner 13

3rd gear, 5136 RPM, 67 MPH
86.800 seconds from start
12.696 from corner 12
5.867 to corner 14

AI:
2nd gear, 6057 RPM, 59 MPH
90.400 seconds from start
13.737 from corner 12
6.593 to corner 14

Notes: Again, another corner that can be taken a gear up on the AI.

Image 9: Corner 13 Midpoint   

 

Corner 14

4th gear, 5166, 86 MPH
92.667 seconds from start
5.867 from corner 13
8.533 to corner 15

AI:
4th gear, 5217 RPM, 86 MPH
96.993 seconds from start
6.593 from corner 13
6.89 to corner 15

Notes: I'm not gaining anything on the AI in this corner but am not losing much either. Fairly low value corner.

Image 10: Corner 14 Midpoint

 

Corner 15

2nd gear, 4421 RPM, 44 MPH
101.200 seconds from start
8.533 from corner 14
4.667 to corner 16

AI:
2nd gear, 4436 RPM, 45 MPH
103.883 seconds from start
6.89 from corner 14
4.15 to corner 16

Notes: AI turned in early and had to get back on throttle then brake to this point where it started its final acceleration out of the corner.

I did basically the same thing and was carrying too much speed and had to go way too deep into this corner.
 

Image 10: Corner 15 Midpoint

 

Corner 16

3rd gear, 6562 RPM, 83 MPH
105.867 seconds from start
4.667 from corner 15
9.033 seconds to finish line

AI:
3rd gear, 5990 RPM, 79 MPH
108.033 seconds from start
4.15 from corner 15
10.13 seconds to finish line

AI is back on accelerator at this point but it is a measured acceleration.

At exit, in 4th gear, 6327 RPM, 102 MPH, 111:500 from start, 135 MPH at finish line.

Notes: This is a critical corner to get correct. I'm much deeper into the corner than the AI at the point I begin unwinding the wheel and accelerating harder. I would prefer to be closer to the curbing as well.

Image 11: Corner 16 Midpoint

 

Overall thoughts: I got off to a great start in this lap and with a better job in 9/10, 13, and 15, I could have easily taken another 1-2 seconds off my lap time.

Personal Hotlap 1:54:926 - Albert Park Grand Prix Circuit, Australian Grand Prix

Posted on December 2, 2007 23:05 by ScottDrake

This is probably my final hotlap for a while at Melbourne as I'm ready to move onto the next track. My goal all along was to break 1:55 and I did it with this 1:54:926. There's probably another second or two on the track if I can put all the corners together. Sometime in the future, I'll revisit this track.

Future tracks will likely have more personal hotlaps posted. I was working on this track for a couple of weeks before I decided to start this blog. It's taken me a couple of weeks to get the site to this point. In the future, I'll be posting more about the tracks as I learn them, not after my analysis is complete.

Overhead View

In-car View

Prioritizing the Corners of Albert Park Grand Prix Circuit, Australian Grand Prix

Posted on December 2, 2007 22:56 by ScottDrake

You can’t learn ‘em all at once and you don’t need to. I’m a big fan of Ross Bentley’s book Speed Secrets. I’ll refer to it, along with my time at Skip Barber Racing School often.

One of the first things Bentley talks about when it comes to breaking down a track is to focus on the highest speed corners leading onto a straight. Far too often, we focus on maximizing entry speed and late braking, but we can gain far more time by ensuring we exit a corner properly and carry that extra speed down a straight.

The reason to focus on highest-speed corners first is it is much harder to regain speed the faster you are going. Going from 100 MPH to 110 MPH will take longer than going from 50 MPH to 60 MPH. If you can exit a corner with more speed, do it in the corners where it will be harder to recover that speed if lost.

Based on that idea, here are the corners and my priority for getting them correct. 

Priority

Turn Gear RPM MPH From To
6 1 2 3700 40 17.063 16.074
6 2 Full acceleration
10 3 2 4200 44 16.074 5.833
9 4 3 5485 72 5.833 5.169
3 5 4 6437 100 5.169 8.331
4 6 3 4532 60 8.331 14.667
4 7 Full acceleration
4 8 Full acceleration
5 9 2 4760 49 14.667 16.663
5 10 Full acceleration
1 11 3 5776 75 16.663 2.963
1 12 4 5320 87 2.963 13.737
7 13 2 6057 59 13.737 6.593
8 14 4 5217 86 6.593 6.89
11 15 2 4436 45 6.89 4.15
2 16 3 5990 79 4.15 17.063
 

First Impressions of Albert Park Grand Prix Circuit, Australian Grand Prix

Posted on December 2, 2007 22:17 by ScottDrake

The Albert Park Grand Prix Circuit is a relatively flat, 16-corner track.

The screenshots and videos are from an AI-controlled car. Observing or riding along with another driver is generally one of my first steps to learning a new track. The AI serves that purpose well in rFactor.

AI Hotlap, In Car

AI Hotlap, Overview

This lap was completed in 1:58.163 (118.163 seconds).

The gear, RPM, MPH, and time between corners are measured at the point the RPMs begin to increase when exiting a corner. The screen shots are also from the point of acceleration from the corner.

Let’s take a look at a lap.

Corners 1 and 2

Corners 1 and 2 are located at the end of the long front straight.

Corner 1: 2nd gear, 3700 RPM, 40 MPH
6.933 seconds from start
17.063 from corner 16
16.074 to corner 3

Corner 2: Full acceleration

Image 1: Corner 1 Midpoint

Corner 3

Corner 3: 2nd gear, 4206 RPM, 44 MPH
23.067 seconds from start
16.074 from corner 1
5.833 to corner 4

Image 2: Corner 3 Midpoint

Corner 4

Corner 4: 3rd gear, 5485 RPM, 72 MPH,
28.900 seconds from start
5.833 from corner 3
5.169 to corner 5

Image 3: Corner 4 Midpoint

Corner 5

Corner 5: 4th gear, 6137 RPM, 100 MPH
34.069 seconds from start
5.169 from corner 4
8.331 to corner 6

Image 4: Corner 5 Midpoint

Corners 6, 7, and 8

Corner 6: 3rd gear, 4532 RPM, 60 MPH
42.400 seconds from start
8.331 from corner 5
14.667 to corner 9

Corners 7, 8: full acceleration

Image 6: Corner 7 Midpoint

Corners 9 and 10

Corner 9: 2nd gear, 4760 RPM, 49 MPH
57.067 seconds from start
14.667 from corner 6
16.663 to corner 11

Corner 10: full acceleration

Image 7: Corner 9 Midpoint 

Corners 11 and 12

Corner 11: 3rd gear, 5776 RPM, 75 MPH
73.700 from start
16.663 from corner 10
2.963 to corner 12

Corner 12: 4th gear, 5320 RPM, 87 MPH
76:663 from start
2.963 from corner 11
13.737 to corner 13

Image 8: Corner 11 Midpoint

Image 9: Corner 12 Midpoint

Corner 13

2nd gear, 6057 RPM, 59 MPH
90.400 from start line
13.737 from corner 12
6.593 to corner 14

Image 10: Corner 13 Midpoint

Corner 14

4th gear, 5217 RPM, 86 MPH
96.993 from start
6.593 from corner 13
6.89 to corner 15

Image 11: Corner 14 Midpoint

Corner 15

2nd gear, 4436 RPM, 45 MPH
103.883 from start
6.89 from corner 14
4.15 to corner 16

AI turned in early and had to get back on throttle then brake to this point where it started its final acceleration out of the corner.

Image 12: Corner 15 Midpoint

Corner 16

3rd gear, 5990 RPM, 79 MPH
108.033 from start
4.15 from corner 15
10.13 seconds to finish line

AI is back on accelerator at this point but it is a measured acceleration.

At exit, in 4th gear, 6327 RPM, 102 MPH, 111:500 from start, 135 MPH at finish line.

Image 13: Corner 16 Midpoint

Image 14: Corner 16 Exit

Overview of Autodromo Jose Carlos Pace, Brazilian Grand Prix

Posted on December 2, 2007 16:00 by ScottDrake

The 2008 Brazilian Grand Prix will take place on November 2 at Autodromo Jose Carlos Pace in Sao Paulo. The track has 15 turns and is a distance of 4.309 KM (2.677 Miles). Rubens Barrichello set the track record of 1:10:229 while driving for Scuderia Ferrari in 2004.

There are two rFactor tracks available for this circuit:

Future entries about this track will include:

  • First Impressions, including AI hot laps, screen captures and statistics about each turn
  • Ranking the corners for hot lapping
  • Hot laps and lessons learned
  • Passing zones, re-ranking the corners for passing
  • Racing and lessons learned

 

Overview of Shanghai International Circuit, Chinese Grand Prix

Posted on December 2, 2007 15:57 by ScottDrake

The 2008 Chinese Grand Prix will take place on October 19 at the Shanghai International Circuit in Shanghai. The track has 16 turns and a distance of 5.451 KM (3.387 mile). Michael Schumacher set the track record of 1:32:238 while driving for Ferrari in 2004.

The rFactor track (http://www.rfactorcentral.com/detail.cfm?ID=Chinese%20Grand%20Prix) for this circuit has a 4 1/2-star rating from members of the rFactorCentral.com community.

Future entries about this track will include:

  • First Impressions, including AI hot laps, screen captures and statistics about each turn
  • Ranking the corners for hot lapping
  • Hot laps and lessons learned
  • Passing zones, re-ranking the corners for passing
  • Racing and lessons learned