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07-02-2009, 05:34 PM | #1 |
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datalogging anyone?
Anyone using any data logging equipment?
I know people on track hq use g2x and performance box. If anyone is using these how do you guys like them? helpful?
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07-02-2009, 05:40 PM | #2 |
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i have an AIM system that I like a lot. The most popular and easy from most I talk to is the Traqmate(sp). I chose the AIM because most of the people I race with have them, so we can compare our data and notes. Thats the biggest factor I would look at
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07-02-2009, 06:24 PM | #3 |
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Hmm, I log my motor. Watching the logs, I can interpolate where I am on track and terminal velocity and stuff like that. I have been wanting to get something like a Traqmate too . The only issue is that timing equipment is often forbidden at the HPDE's where I run so, you have to keep it on the down low.
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07-02-2009, 06:47 PM | #4 | |
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07-02-2009, 07:43 PM | #5 |
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It occured to me (haven't tried it yet) that since my logging to disk is controlled by the rear defroster switch, I can take reasonably accurate lap times by simply toggling the defroster button at the same point on the track. Each log file would then represent one lap. GPS is only accurate down to 25 feet or so? So, I should be able to get that accurate with my button pressing.
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07-02-2009, 08:40 PM | #6 |
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I use the performance box from race logic. Works pretty well and is very accurate for velocity, less so for simple position. With their software you can make track maps, look at performance curves for speed, velocity, acceleration (long and lat), etc. It suctions to your front window, or you can use an external antenna and hide it somewhere (e.g., glovebox) for stealth application.
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07-02-2009, 08:50 PM | #7 | ||||
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07-02-2009, 08:55 PM | #8 |
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aim logger with cds gps. it makes pretty colors and then i shift.
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07-02-2009, 10:24 PM | #9 | |
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You're right.
Quote:
So, 3-9 feet if you have a WAAS equipped GPS. 9-15 ft if you have differential GPS. Less if you don't have differential. I use RomRaider logger. With the things I log, I get a sample rate of about 4/sec so, .25 sec resolution. I primarily use it to monitor engine health. It's just recently I've thought about using it for timing. |
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07-02-2009, 10:33 PM | #10 |
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Data do-dad gizmos
The only data acquisition that counts is the stopwatch! THAT is the TRUE arbiter of talent and skill.
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07-02-2009, 10:45 PM | #11 |
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The AIM MXL line has an adapter harness to log Subaru ECUs. But it's pretty expensive to get an MXL system with GPS and Accellerometers. But I guess not too bad if you compare it to a G2X or IQ3 with even 1 sensor.
-Mike |
07-02-2009, 10:47 PM | #12 |
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There are cheaper routes if you don't need the display and want to go with AIM. The EVO4 comes with a GPS unit built in. One could also wait until the SmartyCam comes out and get GPS, ECU data and video in one swoop.
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07-03-2009, 02:58 AM | #13 |
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Roger and Ruth are good peoples, and good to have within a half hour. Their son Andrew is also a nice guy, and a hell of a driver
I went with the EVO4, and has been great so far. You can hook up all the sensors like wideband, throttle position, ect. and it was like half the price of a MXL which has similar features |
07-03-2009, 11:57 AM | #14 | |
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I've heard really great things about the g2x.. so was leaning on that, but i heard the same about performance box. |
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07-03-2009, 11:58 AM | #15 |
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07-03-2009, 12:05 PM | #16 |
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07-03-2009, 12:13 PM | #17 |
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07-03-2009, 05:38 PM | #18 |
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when i lived in england we used pi research stuff for paying customers who thought they needed it. I set it all up for myself a few times, it can tell you more than you can ever possibly imagine if you have all the sensors, but really not worth the money for any amatuer racer. just use an amb or alfano or mychron.
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07-04-2009, 12:45 AM | #19 |
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07-04-2009, 02:35 AM | #20 | |
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Cliches- Keep It Simple Stupid
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Similar to dan az's post, I helped develop and later installed a data loggers, telemetry, GPS and digital video system (combined driver, forward view out windshield and pedals all into one image) for race schools and private teams for a living. A racing buddy of mine and Grand Am Rolex Series car owner hired me for his technology company because he wanted it for his team and later schools and other teams bought in. Have also been employed installing and operating the data acquisition equipment and software that writes the organizer supplied stagenotes for US and Canadian rallyracing events which all teams depend on with their lives to be accurate. So I ain't exactly stupid regarding the subject. Spend your money where you want to earn your plastic empty trophy, but a better investment at the amateur level would be racing schools and good ole seat-time. Its racing, not # crunching. |
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07-04-2009, 05:09 AM | #21 | |
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Also, you usually need some type of data system to be able to get your lap times. Either that or a friend timing you and a set of radios. Its useless to look at timing sheets after the session, when you cant feel what works and what doesn't on back to back laps vs. the clock |
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07-04-2009, 05:41 PM | #22 | |
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Got any quotes from Fangio on data systems? Nuvolari, maybe? Also, the originator of the post asked for input on a specific topic, so an idiotic response telling him to use a stopwatch doesn't really help in any way, now does it?. Classic case of having nothing to say or contribute to the guy asking a question but feeling the need to repeat something somebody else said to make you sound smart. Everything you've said since involves being an installer of data equipment. I'd bet most people, even the 'Geek Squad' at Best Buy could install the systems you've mentioned. Lord knows how many data systems I've installed and I can tell you from my own experiences, it's not that difficult, nor does it require a lot of brain power. As you lack the knowledge or expertise on how to coach and improve a driver using that equipment, maybe lay off this thread and go find one you actually have some understanding of? |
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07-04-2009, 11:12 PM | #23 | |||
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As for assuming I can't coach drivers, you're wrong. It takes bigger balls to sit beside them in a rallycar than behind the pitwall. Have been on the receiving end of dumb data acquisition engineers while on manufacturer teams. Favorite has been the Pontiac and Mazda engineers telling us not to lift for turns at Pike Peak International hillclimb where if you don't make the corner, you're in outer space with no parachute. When it was my job, I was not that idiot. What did you contribute other than insults? Last edited by DCRallyDave; 07-05-2009 at 12:03 AM. |
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07-04-2009, 11:58 PM | #24 | |
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Speaking of assuming... You're making the assumption that everyone learns the exact same way. They don't. Some people can learn from riding right seat, some from being told what to do, others (quite a few actually) need some quantification of what is going on. FWIW I've seen a greater return on investment of a 600 dollar data system than 2 weekends of seat time many times over. It's not about the amount of seat time but the quality, and something like AIM or Traqmate can increase the quality of seat time exponentially. When speaking of club racers/DE guys, drivers 'think' they know what is going and to be honest more often than not have no clue what actually is going on. You can tell them time and time again that the turn can be done this way or that they are doing it this way and they'll say no until you can prove it and show it. For someone who has done all this data stuff for a living you sure seem to think that it's pretty worthless while most of the rest of the world has a rather different opinion. |
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07-05-2009, 01:03 PM | #25 |
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And the guy that has nothing to say and nothing to offer keeps talking. Brilliant. Please, waste more time.
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