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Type: Posts; User: Tony K

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  1. Well... it has been miserably cold and windy,...

    Well... it has been miserably cold and windy, most of the paddock is a giant gravel pit, the event schedule is impressively crammed into limited hours that we can be on site, a decent amount of...
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    Made it out with all the bodywork... too bad it...

    Made it out with all the bodywork... too bad it was at night again. Maybe tomorrow we can try and build some heat in the tires during the day.

    ...
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    Total weight of our car as it sits is 465 lbs......

    Total weight of our car as it sits is 465 lbs... it's kind of a tank, but we built it for reliability, so hopefully that works out.
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    Finished up the alignment yesterday morning...

    Finished up the alignment yesterday morning around 10am, took care of some details all day, and took it out for it's first drive around 9pm. We're taking it out later today with all the bodywork...
  5. Thread: BBS bs

    by Tony K
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    At least you were able to order from BBS... I was...

    At least you were able to order from BBS... I was able to contact them on a sporadic basis to get technical information, but when it came to finally purchasing wheels we tried multiple times and no...
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    I would love to trade cars after the competition;...

    I would love to trade cars after the competition; I've always wanted working car that isn't built from a massive pile of carbon (emphasis on pile...).

    Anyone interested in trading a tube chassis,...
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    Bearing thrust loads for a chain driven unit...

    Bearing thrust loads for a chain driven unit will, if properly designed that is, be minimal. However, if it's being driven by a gear like ours is, then you obviously induce thrust loads from the ring...
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    Yeah, we use the stock R6 fuel rail as well, but...

    Yeah, we use the stock R6 fuel rail as well, but if you go to your local Parker Store, you'll find there's quite a selection of connectors and adapters to adapt AN fitting onto the stock nipples. As...
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    AN braided fuel lines all the way. I'm not a huge...

    AN braided fuel lines all the way. I'm not a huge fan of messing around with rubber line and hose barbs. -06 AN for the fuel supply and -04 AN for the return lines. -04 AN may be sufficient for the...
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    We use piezoelectric accelerometers from either...

    We use piezoelectric accelerometers from either Brel & Kjær or Kistler connected to a charge amplifier... very durable and accurate. However, we've been rather fortunate getting things like that...
  11. Thread: engine mounts

    by Tony K
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    13,636

    If your engine is producing enough vibration to...

    If your engine is producing enough vibration to cause issues, then it's probably the case that one of the connecting rods is ready to work its way out of the engine in a rather spectacular fashion....
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    And girls in race suits... hot. There was a...

    And girls in race suits... hot.

    There was a Speed TV magazine ad a while ago that read something like: "While Versace is hot, there's something about a girl in flame retardant pants."

    I agree.
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    http://www.bjwe.com/tempil/0tempil.htm

    http://www.bjwe.com/tempil/0tempil.htm
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    I've been to the CU race shop (aka the closet in...

    I've been to the CU race shop (aka the closet in the basement of the engineering building), and I'd have to say that solution might be a little optimistic given the facilities. Tom's always a little...
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    I would find a local Red Bull distributor and...

    I would find a local Red Bull distributor and work through them; that's what we've always done.
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    You already know my answer to that question... I...

    You already know my answer to that question... I just hope you're ready to show me how to build a steel chassis for next year.

    As a team that uses a monocoque chassis, I completely agree with Pat....
  17. Well, testing a pre-made sandwich panel will give...

    Well, testing a pre-made sandwich panel will give you the modulus of the structure, but it won't relate to strength as the geometry between the simple plate and chassis are a bit different. There are...
  18. Thread: Engine angle

    by Tony K
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    I don't know if I'd go so far as to say better...

    I don't know if I'd go so far as to say better oiling, but it's not nearly as bad as tilting the engine the other way and emptying the oil buckets.

    I'd look at the way the camshafts and...
  19. Thread: Engine angle

    by Tony K
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    Well, I can tell you from experience that +/- 15...

    Well, I can tell you from experience that +/- 15 degrees is a horrible answer. In '04 we experimented with tilting the R6 engine 15 degrees to try and lower the CG of the engine but ended up burning...
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    Nice... that's good thinking. I'm glad someone's...

    Nice... that's good thinking. I'm glad someone's doing some of that; now if I can teach my team to do the same thing we'll be in business.
  21. Thread: Bump Steer

    by Tony K
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    1,691

    The real issue in this case is that it's hard to...

    The real issue in this case is that it's hard to separate roll and bump in the real world. It's also the case where you can't assume steady state vehicle motion throughout a turn, and you also can't...
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    The battery for your data acquisition system may...

    The battery for your data acquisition system may be causing some of your problems as well. We ran into an issue with our engine dyno data acquisition system because we were running the NI PXI chassis...
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    Now showing on Google Video: Tiff Needell -...

    Now showing on Google Video:

    Tiff Needell - Burning Rubber

    It's an hour long video of Tiff showing you how to do all those fun things you've always wanted to do. If you haven't seen it...
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    Knowing the geometry, and especially rising or...

    Knowing the geometry, and especially rising or falling rate characteristics of your damper installation is key as well. The damper curve shape (digressive / regressive), and location of the...
  25. Thread: Sight tube rule

    by Tony K
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    Right, I can see why you wouldn't want the filler...

    Right, I can see why you wouldn't want the filler neck below the top of the tank without a real nice vent line because that's just asking for trouble.

    I would have to agree that having a useful...
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