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Type: Posts; User: Jersey Tom

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    This is a good observation. Makes me wonder what...

    This is a good observation. Makes me wonder what things would be like if some of the dynamic portion of the event were setup more like a professional circuit racing weekend. E.g. the course is setup...
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    Preface: All opinions are my own and not...

    Preface: All opinions are my own and not necessarily shared by my employers, past or present.

    I imagine we can all agree that job markets tend to be competitive. Everyone who graduates BS MechEng...
  3. Certainly in a purist environment (such as the...

    Certainly in a purist environment (such as the design tent) or in an ideal case, one would like the students to be able to use some predictive method to determine what component-level or conceptual...
  4. Well that sucks they had to pull a tire that was...

    Well that sucks they had to pull a tire that was pretty sporty, even if it's a small market. But hey, it is what it is.

    Even then, as much as it would have been nice to have for competitive...
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    My understanding is Tametire considers the bulk...

    My understanding is Tametire considers the bulk temperature of the entire tread - which should be a good clue. Been a while since I've gone through any documentation on it, so I could be mistaken.
    ...
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    Without getting much into it, as Dash mentioned...

    Without getting much into it, as Dash mentioned and is available in the public domain (see the work of Persson)... in-plane (lateral, longitudinal) tire forces are not generated by a Coulomb friction...
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    Can't say I agree with that.

    Can't say I agree with that.
  8. Thread: MasterCam

    by Jersey Tom
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    Used MasterCAM 6, 8, 9 and X through college on...

    Used MasterCAM 6, 8, 9 and X through college on anything from a Bridgeport 2-axis retrofit to a CNC lathe to a 4-axis VMC. It's really not that difficult to learn. I also found it to be quite quick...
  9. A suspension-related SAE paper from CU Boulder...

    A suspension-related SAE paper from CU Boulder which predates what we had believed to be of the first real attempts at a FSAE car or anything similar. Surviving records from those days were scarce,...
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    Per the Hoosier tire website... smallest 13"...

    Per the Hoosier tire website... smallest 13" slick is $156 "SAE Price" $195 retail. Carroll Shelby Enterprises lists the Goodyear D2704 at $193.

    Now, your average Joe might think my opinions are a...
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    Quite aesthetic choosing the body colors to match...

    Quite aesthetic choosing the body colors to match the tires (themselves an excellent choice).
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    Again not really my place to say anything from...

    Again not really my place to say anything from the position of a tire manufacturer, and my opinions are in no way associated with my previous or current employers.

    Consider this however: Total...
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    What is the definition of slip angle? Can say it...

    What is the definition of slip angle? Can say it is the difference between the direction a wheel/tire is pointed, and the direction it's heading.

    In your example of a right hand turn, even with...
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    I am merely suggesting that before a team goes...

    I am merely suggesting that before a team goes down the road of trying to "take advantage" of bump-steer, they should have a better fundamental understanding of what it really does. Otherwise you're...
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    Going to chip in 2 cents here before disappearing...

    Going to chip in 2 cents here before disappearing off this forum again for a while.

    Don't overthink this. Or perhaps more correctly - understand what's going on at a fundamental and practical...
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    I'd be careful with that mentality.

    I'd be careful with that mentality.
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    I'll chime in. To someone's earlier inquiry, I no...

    I'll chime in. To someone's earlier inquiry, I no longer work for Goodyear. Just use their products.

    Interesting discussion, but I see no reason to avoid the simplest and easiest solution -...
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    <BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Instead of spending more and more money on laboratory testing, why don't we...
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    As a side note here... Goodyear 2692 hasn't been...

    As a side note here... Goodyear 2692 hasn't been made in years. Has since been replaced by the D2696 and I believe a more recent code yet. Hasn't been a secret.

    Have you not looked into these at...
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    Hint - yeah, they're the tire you want.

    Hint - yeah, they're the tire you want.
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    ...compound only huh? Since the 2696? ...

    ...compound only huh? Since the 2696?

    Alternatively, if there isn't enough to warrant getting a full project at TIRF, perhaps the helpful engineers at the Goodyear Innovation Center in Akron...
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    <BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by flavorPacket:
    <BLOCKQUOTE...
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    Oh boy. I'd look into buying a bullnose end mill...

    Oh boy. I'd look into buying a bullnose end mill and save yourself the trouble of having to pocket things out with a ball end mill and a zillion passes.
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    There are two problems with a "soft" compound. ...

    There are two problems with a "soft" compound.

    First, cornering stiffness is going to decrease as compound stiffness decreases. FSAE cars tend to spend a lot of time at high slip angles so that...
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    We would always leave a few days early for...

    We would always leave a few days early for competition, and use the time to scuff tires and do our engine map tweaking for the altitude change.

    Seemed easier and more straight forward to just...
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