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Old 01-03-2008, 08:47 PM   #1
maxgs
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MSR - CW - Where I'm SLOW

Finally started looking at the information from my data acquisition system on my bike. What an eye opener. This lap was my fastest in the CW direction, a 1:49.4. The red line is MPH and the black line is acceleration g's.

While it's hard to see outside the analysis program, I lift off the throttle a little over halfway down the backstraight (12-13 segment)! Max velocity there is only 136. Notice that's the about the same max velocity going into the carousel (15-16 segment). We know that I should be faster on the backstraight in comparison to the entry into the carousel. Another interesting item is the time it takes me to shift and get back on the throttle in segment twelve. It's over two seconds to shift, adjust my body, and get back on the throttle. And then look at the mess coming off of the launch and through the keyhole (segments 6 through 9).

How cool would it be to strap this to Allan/Buck/Larry and see their lines, brake points and corner entry & exit speeds.


MSR CW 071231 Lap10
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Old 01-03-2008, 08:58 PM   #2
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Those are all cool learning tools, but don't put too much stock in what you're seeing. With the seat time you're clockin', you'll be right up there with the other guys in no time

Cool tool though!
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Old 01-03-2008, 08:58 PM   #3
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Old 01-03-2008, 09:03 PM   #4
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This is the same system I use in my cars. I shaved 4 seconds off my laptime at MSR-H by using this to figure out where I was going slower than I needed as well as testing different lines and the impact on corner exit speed and segment times. It helps narrow down the focus areas. Next time out, the primary focus areas will be 12, 12-13, and 13.
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Old 01-03-2008, 09:05 PM   #5
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Quote:
Originally Posted by maxgs View Post
This is the same system I use in my cars. I shaved 4 seconds off my laptime at MSR-H by using this to figure out where I was going slower than I needed as well as testing different lines and the impact on corner exit speed and segment times. It helps narrow down the focus areas. Next time out, the primary focus areas will be 12, 12-13, and 13.
Man, 4 seconds difference is a blazing change!

Good plan. That's a popular way to get faster. Even now, I still do that on track days and pre-race practices. I'll work on specific areas of that track where I'm weak and work on it until I feel good about consistently doing well. , I've even done that during endurance races!
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Old 01-03-2008, 09:13 PM   #6
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On the track diagram in your first post I was able to determine that I am slow in all the blue areas.
Next time out I will focus on those and I'm sure I will be much faster.
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Old 01-03-2008, 09:22 PM   #7
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Curt, From 3-4 all the way to 5-6 and from 11-12 all the way to 12-13 needs to be all white. Those are the best areas for you to drop your times.
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Old 01-03-2008, 09:26 PM   #8
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white is indicative of a straightaway and blue is a turn. It's not reflective of acceleration g's.

However, I understand your point, there is little reason to not be accelerating!!! Practice, practice, practice....
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Old 01-03-2008, 09:32 PM   #9
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You need to accelerate through turns 4, 5, 12, and 15.
Also you have the track turns backwards. Turn 1 is turn 17 and vise versa. Clockwise is running the track backwards. The names of the turns don't change when you change directions.
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Old 01-03-2008, 10:23 PM   #10
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I want, I want!! Is it available for rent Curt?
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Old 01-03-2008, 10:37 PM   #11
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Quote:
Originally Posted by Mr Whoopie View Post
You need to accelerate through turns 4, 5, 12, and 15.
Also you have the track turns backwards. Turn 1 is turn 17 and vise versa. Clockwise is running the track backwards. The names of the turns don't change when you change directions.
the software generates the track map and segments automatically. renaming them is a pita. you can figure it out and then show me!!!
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Old 01-03-2008, 10:40 PM   #12
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Quote:
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I want, I want!! Is it available for rent Curt?
sure, buck. it'd be cool to be able to see your data.
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Old 01-03-2008, 10:48 PM   #13
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We need to strap that thing to Larry's .
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Old 01-03-2008, 11:11 PM   #14
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you are definitely into this sport just a little bit more than me
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Old 01-04-2008, 12:32 AM   #15
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You'd be surprised how much time you would shave on the big bike if you ran some mini endurance races this season.
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Old 01-04-2008, 08:22 AM   #16
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Old 01-04-2008, 10:48 AM   #17
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Quote:
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you are definitely into this sport just a little bit more than me
No doubt. Max, you are making riding the track seem like math in school. It hurt my head just trying to figure it out. Good job on the :49 though.
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Old 01-04-2008, 10:57 AM   #18
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Quote:
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No doubt. Max, you are making riding the track seem like math in school. It hurt my head just trying to figure it out. Good job on the :49 though.
Need to get down to a 1:45..................... math, magic, testosterone injections...... whatever it takes.........
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Old 01-04-2008, 11:01 AM   #19
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what data aq software is that? it seems to have higher resolution than most of the systems i've seen. very nice.


edit* nevermind, just saw it's the racepak g2x. man, i don't remember it being that detailed....either way, that's a pretty sweet setup.
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Old 01-04-2008, 11:45 AM   #20
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A cool feature of this program is the ability to take the fastest segments from all the laps in a session to produce a theoretical fast lap time. Not only does this give a good target, but the difference between your fast lap and theoretical gives information on consistency. For this analysis, I set my reference lap as #11, it's both the top row in the table as well as row 11. Everywhere you see a green highlighted number is a place I ran that track segment faster in a previous lap. You can only see segments 7 through 17 ... I have to scroll in the program to see the remainder and then I'd need another screen shot. Probably boring y'all enough just with this!

Theoretical fast lap is a 1:46.8

MSR CW Theoretical
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