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Type: Posts; User: Christopher Crowe

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  1. New hampshire to indy with empty trailer? Let's talk!

    Have a light fiberglass body that needs transport -- will gladly pay!

    Thanks,

    Chris
    cadblack@aol.com
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    SAAB 2 stroke

    A 1960s LeGrand with a 2-stroke Saab motor. I've been trying to figure out what class it must have run in FC? FJ? He said that only 3 or so were built and it was a total POS....

    I raced a Lotus 23...
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    The Max Grip a tire can give (?)

    "There is a point with small bore formula cars that more down force just doesn't increase performance, even in a corner because the car is at the maximum the tires can give."

    Steve, I'm trying to...
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    More Photos -- ?

    Please post if you have them.

    Thanks,

    Chris
  5. Thread: OMS

    by Christopher Crowe
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    Naca 2412

    -- was once the basic wing profile for race car use. No huge downforce drop-off in yaw; designed for subsonic aircraft operating in the low 120 knot range. Light Cessnas use this profile; Gurney...
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    Cell Size

    Has anyone used over 6 gallons of fuel in an SCCA practice or race?

    Then, if so, how much over six gallons? Would love to use a six gallon fuel cell.

    Thanks,

    Chris
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    Most fuel ---

    What is the largest amount of fuel you have burned in a single F1000 race?

    Thanks,

    Chris
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    On first look ---

    "Tecno" popped into my head. Maybe?

    Chris
  9. Chassis

    Aside from the human link in the chain, which chassis/engine combination placed where? How'd the new Phoenix do?

    Thanks much,

    Chris Crowe
  10. THAT

    ... is one deeply thought-out race car. Congratulations, Dustin, on a very creative solution to the problem.

    Update us on how she works.

    Chris Crowe
  11. Me too!

    Very neat car. Did it take to the track?

    Chris
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    a-arm length and unsprung weight

    Another question, Dustin. How do you feel the additional unsprung weight of the long lower a-arms (going all the way to the keel) impacts things? A good trade-off for the aero opportunities?

    ...
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    Neat car!

    How high is the chassis step, Nathan? I.e., how high is the front bulkhead off the ground?

    Thanks,

    Chris Crowe
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    Sticky: Great thread

    Thanks to all.

    Chris
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    Not remounting the soapbox!

    The driving experience of these cars is pretty wicked. FB's will NEVER begin to approach that experience w/ rocks mounted to 4 corners.

    The desire for really high performance, I kinda understand...
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    Magic bullets...

    Also, there is no magic bullet. There is no race tire that will last half a season and is inexpensive. What you describe is a treaded street tire like what is on you 4-door sedan.

    Only this: In...
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    Fellas ---

    What is absolutely an enigma to me is this:

    Why not, in the tire-area, simply mandate an inexpensive, very long-lasting tire for each given category?

    By long-lasting, I mean half a season --...
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    Auto transportation

    I have a Lexus sedan that needs transportation from Los Angeles to Indy. Thought of no one better to ask about reliable auto transportation companies than the vintage gang.

    Does anyone have an...
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    Wow, Jay.

    That's a fantastic "Indian Trick." I just learned a new technique!

    Thanks,

    Chris Crowe
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    Indeed

    Tiago, yes. I've broached the issue before and met with great resistance to this kind of change.

    I'm just trying to get a better handle on "why."

    In the end, cost-reduction can only...
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    I went through this...

    Hi Chris,

    I went through the same thing and found that the Suzuki shifter shafts are essentially all the same size. Ebay is a good source here.

    Chris Crowe
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    Hi, Gary ---

    FB was a great concept for maxing the speed/cost ratio. But, and yes, racing was ALWAYS expensive... but why use high-performance limited heat-cycle tires?

    It's an honest question. Perhaps...
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    Costs

    "Chris were those USAC West pavement sprint race costs???"

    The costs were the USAC Midwest shows; 410 CI engines. The cost of repair to a Sprint Car -- even if pretty thoroughly trashed --...
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    Cost Per Race

    The cost of running a USAC Sprint Car on a per race basis (amortized over a season) is in the neighborhood of $1,800-2,000.

    In real-life, what are the costs per race in either of the two F-1000...
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    That's fantastic ---

    -- and think somewhere herein lies salvation for a lot of categories on the wane. Tire costs simply put things out of reach for so many folks who'd love to be involved.

    F/600 seems to get...
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    Simple curiousity ---

    Approximately how much does the F600 community spend on tires per racing weekend (in ball-park terms)?

    Thanks,

    Chris Crowe
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    Very cool, Jay ---

    Congratulations on a very neat looking machine.

    Chris Crowe
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    Tom Irwin -- good guy.

    I've done business with Tom Irwin and he's an honest, straight-shootin' guy -- without any dark agendas. If he told me to stay away from someone... I'd stay away.

    Just sayin'...

    Thanks,
    ...
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    VIDEO

    That is SCARY!
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    Ah!

    Good for you, Jake.

    As I've said, I think a lot might be done if people were to enthusiastically cooperate on putting together a good video. Without exposure, even the good people at Shadow will...
  31. Penske 8760 piggy-back housing positioning

    Does anyone know the correct manual that will tell us how to change the radial positioning of the "piggy-back" reservoir on an 8760 damper?

    Can't seem to find it in the on-line manual.
    ...
  32. Jdr web-site

    Thanks for the link. Very cool car.

    Does the chain run through a tensioner sproket?

    Chris
  33. Thanks

    Thanks to all.

    And Don, are you folks gonna put together a JDR website? I'd love to see more photos of your creation.

    Again, thank to everyone for the input.

    Chris
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    Thanks DOCTOR Pare!

    But did you know this, Doctor?

    In 2006, the television show 60 Minutes claimed that when someone in Korowai society is convicted of being a khakhua (secret witch doctor) he or she is tried, and,...
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    Rod end minimums ---

    As you get nearer to the end, things that will be stressed begin looking smaller and more frail. And the car is getting bigger and heavier and longer and wider. And you see those wings that will be...
  36. The Exasperating World of Motion Ratios

    There seems to be a consensues that a good motion ratio to shoot for is around 1:1. However, I'm finding it very hard to get that ratio totally constant, from the first .1" of movement to the last...
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    You're very right, Josh ---

    -- but man their ads are deceptive. Found the truth on a bike-site:


    Just reading your post.....Krause uses the word "titanium" as a trade name; not as a material used. They really need to...
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    Krause

    Josh,

    It's titanium -- from an American outfit named Krause. The idea of reducing rotational mass is why I'm exploring it. And surprisingly, the prices are not too prohibitive.

    Regards,
    ...
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    Titanious!

    Has anyone used 530 titanium chain?

    Thanks,

    Chris
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    !! -- Wait a second, wait a second --- !!

    "One way to calculate this is to use your Mitchel program to calculate the motion ratio if the push was a damper and the bell crank was the shock attachment to the chassis."

    That's one thing I...
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    Haaaa -- !

    "You can get the load on the pushrod using simple vector geometry calculations."

    Simple... calculations? Ah, Richard, the only simple thing in any of this is the area of my brain where math is...
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    Quick question ---

    Initially, I want to construct the push-rods with round tubing to get the car on its feet.

    The RF97 VD FC/FF (that I stole uprights from) used 7/8" x .049" for its pushrods -- but had a more...
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    In-tube brake line trick

    Just finished some new a-arms made from store-bought streamline tube. And then I saw those vile external brake-lines in place and I'm thinking... man, that probably creates as much drag and wake...
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    Roger, Steve ---

    Thanks again, will take care here -- I know these tubes must take tremendous real-life loads.

    -- Chris
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    Roger, Steve ---

    !
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    suspension pushrods

    -- from a-arm crux to bell crank. How light are people going in terms of wall and tube-diameter? Also, what size streamlined tube have people successfully used?

    Thanks,

    Chris
  47. Thanks, Bill ---

    Do you happen to know anything about the qualifying times turned in for this event? Just trying to get an idea of the general speed comparability of the F3 and FB chassis.

    Thanks much for the...
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    Congrats to the whole FB community

    -- on getting out there with a full field and putting on a great show. Special congrats to Mike Beauchamp and Jake Latham on their great showings... and of course a big salute to Wren and Brandon...
  49. Which brings it around to what I was wondering...

    The F3 cars have to fill a grid to have a race. And initially at least, that's going to be a challenge in North America.

    What I was trying to determine is what other formulas might race...
  50. Did I miss something?

    I don't think anyone here has said anything negative about F3 cars. I think folks are just curious as to their performance relative to the more familiar open wheel categories running this side of...
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