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  1. Thread: Slip Sensor?

    by exFSAE
    Replies
    17
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    5,126

    Better question is what would you use the data...

    Better question is what would you use the data for? Need to be practical. I mean hey it's an interesting technical discussion I guess, but IMO there are better things you can be doing to make the car...
  2. To do one or the other is merely a choice - no...

    To do one or the other is merely a choice - no right or wrong answer there. And I don't think anyone would argue that as you add dimensions to a look-up table it gets more computationally expensive. ...
  3. Gonna have to leave the "objective proof" as an...

    Gonna have to leave the "objective proof" as an exercise to the reader - and of course it's a bit more involved than f = kx^2. Just saying from my own experience is that full vehicle MBD in pro...
  4. My friend, let's redo your assumptions ;) I...

    My friend, let's redo your assumptions ;)

    I alluded to this before, but this guy's follow-up post hits the nail on the head (emphasis added):



    (And yes, I for sure agree to his point you can...
  5. Hm, can't say I agree with this. To calculate...

    Hm, can't say I agree with this. To calculate your jacking forces all you need are 1D look ups at each corner (for independent front and rear susp). I'd agree that 10 points per curve *sounds*...
  6. Replies
    24
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    8,361

    I dunno about that statement. Surprise: all your...

    I dunno about that statement. Surprise: all your tools are wrong! Good George EP Box quote on that. Step 1 is to thoroughly vet your tools before you use them. Know what they're good at and what...
  7. Replies
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    Given that these tires are basically SCCA tires...

    Given that these tires are basically SCCA tires I'd say you'd be hard pressed to come anywhere close to "overwhelming" one.
  8. Replies
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    9,796

    Rule #1 with tires: Do not make unbased...

    Rule #1 with tires: Do not make unbased speculation / assumptions / guesses. Even after years of working with gigabytes of data, you can be wrong more often than not.
  9. Let's take a second real quick and zoom out...

    Let's take a second real quick and zoom out beyond racing and FSAE and all this crap. Truth is in general, there are quite a few engineers graduating every semester with few marketable skills....
  10. There's some truth to what he says, though the...

    There's some truth to what he says, though the way he says it and how it comes across... isn't great.

    And FSAE/FS events are rife with engineers already starting to indoctrinate themselves in poor...
  11. Looks like a heavy tread splice, no big deal.

    Looks like a heavy tread splice, no big deal.
  12. Replies
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    41,714

    True of racing at all levels, amateur and...

    True of racing at all levels, amateur and professional :) Though mucking it up more is that there's also a wealth of BS floating around which is often sold as gold. What's that quote.. something to...
  13. Replies
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    7,206

    Usually wouldn't care that much to throw this...

    Usually wouldn't care that much to throw this much of a bone, but... Google: adams tire pdf pac2002
  14. Going to break the format and tradition of...

    Going to break the format and tradition of lengthy posts here. Not a specific car rule but more toward the event itself... I've thought it would be great if the cone course were (a) drawn up well in...
  15. Replies
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    Couldn't agree more, Bob. My experience has been...

    Couldn't agree more, Bob. My experience has been that this is how it works at every level (professional or otherwise) and I wish more people took note of it. There was a time in this student series...
  16. Replies
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    From my own personal experience I think some of...

    From my own personal experience I think some of that is mitigated by having better or more involved faculty advising to coach better engineering practice. It's something I would have liked.
  17. Replies
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    7,509

    I'd make the argument that in Cup, the level of...

    I'd make the argument that in Cup, the level of competition in the top teams is indeed close, but still those organizations can be vastly better or worse in one area or another even if the end result...
  18. Replies
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    7,509

    You're welcome to voice opinions and solicit...

    You're welcome to voice opinions and solicit others - just don't be surprised when they're not identical to yours. That's how it goes. I feel like there were some pretty good points made. Not to...
  19. I still feel like this would be best served in a...

    I still feel like this would be best served in a different sub forum, or better yet in a blog.

    Still feels like this is very much "stream of consciousness" style or scattered writing.
  20. Well to be fair, the "Oh c'mon everybody knows...

    Well to be fair, the "Oh c'mon everybody knows 'X'..." is poor engineering. It's hand-waving. Alternative approach here is that if it's such a no-brainer huge performance gain which easily trumps all...
  21. http://cdn.meme.li/i/pcjtc.jpg Consider the...

    http://cdn.meme.li/i/pcjtc.jpg

    Consider the extra weight of everything. Consider packaging compromises. Consider that FSAE cars don't put out much mechanical power to begin with, and that current...
  22. I still feel pretty confident that if you're a...

    I still feel pretty confident that if you're a graduated, working engineer now.. that you can do significantly better than a 1990-ish FSAE car. I'd still say, don't look to student built stuff for...
  23. It's true, it's true... I'm a has been.. my...

    It's true, it's true... I'm a has been.. my student racer career is all washed up. Several years in it and not a 1st place in any competition event - not even the push bar contest. It's a tough life,...
  24. There can only be one...

    There can only be one...
  25. I'll preface this by saying there's what was done...

    I'll preface this by saying there's what was done (the FSAE program at my uni no longer exists), and there's what could have been best practice - at least in my experience now as an engineer in the...
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