The most important corner

Which is the most important corner on the track? Every track has one, and it’s not always obvious. YSAR reader Eric recently shared some AiM Solo data with me that got me thinking about this. The event was last month at Oregon Raceway Park in the Lucky Dog Racing League. While I’ve never been to ORP, I have driven it in simulation (rFactor2) and it’s at the top of my bucket list due to its mixture of elevation, camber, and corner geometries.

Take a look at the track map below and try to figure out which corner is the most important one. While ORP can be driven in either direction, let’s consider the clockwise direction, which follows the black turn numbers from 1 to 16.

The common logic is that the most important corner is the one that leads onto the longest straight. By that logic, T16 and T2 appear to be pretty important. What if I told you that it’s actually T4? Why is a slow corner followed by a short straight the most important corner? After T5, the track goes uphill and is basically straight until T7. So really, what we have here is that T5 is the critical corner that precedes a long straight. T5 is also complicated by having a slightly blind entry. But regardless of the particulars about T5, there’s no way to take it optimally without throwing away the exit of T4. Which makes T4 the most important corner on the track (clockwise anyway).

One of the reasons I was eager to look at the telemetry data was because the team had Randy Pobst drive one stint. I’ve never examined the data from a pro driver, so I was eager to see what he’s doing differently than us amateurs. The difference between Randy and the team hotshoe was about 1 second, and the specifics of those differences are mostly about backing up the corner, a topic mentioned on YSAR plenty of times. When you look at lap times that are 3-5 seconds off, it’s some mix of the following:

  • Mashing brakes
  • Mashing throttle (causes understeer and a lift at the exit)
  • Coasting into brake zones
  • Crabbing into an early apex
  • Sub-optimal line through compromises (the main topic of this post)

Randy is a professional driver, and I don’t expect anyone on my team to match his lap times. I’d be over the moon if someone was within 1 second. Heck, 3-5 seconds off is fast enough on my team.

8 thoughts on “The most important corner

  1. Hi, love the site–tons of great info. You mentioned that you hadn’t driven ORP at the time of writing this article (aside from driving it virtually), but do you have any other pointers for this track? Or, perhaps, a turn by turn guide, somewhat like what you have in your article for Pacific Raceways? :)

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    1. I’ve driven it a bunch on rFactor 2 but still not yet in real life. My initial thought it to make sure you identify the compromise corners and actually compromise them. There are a few places where you have to think ahead to the corner after the corner. Maybe I’ll make a track guide after I get back from traveling. Since there’s an upcoming ORP race or two, that should certainly be on my to-do list.

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      1. I’ll be doing a Lucky Dog race there at the end of next month, so consider this a request from a student driver to please write up that guide! I’ve studied quite a few videos of people driving ORP, but haven’t found any guides yet, and I like how you think about tracks.

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  2. Hi,

    Just wanted to follow up on my request for an ORP track guide! I’m sure you’re busy, so I totally understand if you don’t have time, but I would love to see your thoughts if you get a chance to type them up! Either way, thanks for the great content.

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    1. When they updated rFactor 2 recently, they broke my installation. So I can’t get on ORP anymore. Maybe I’ll try a fresh install and see if I can get it working. There are a few tracks. like ORP, that aren’t available anywhere else.

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  3. That would be spectacular if you can get it done! LDRL is there in about a week and a half, and I would love to hear your thoughts on the track before then. I really appreciate you writing this content, but going through a fresh install of rFactor is above and beyond!

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