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  1. Replies
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    I agree with Brent and drew, designing with...

    I agree with Brent and drew, designing with rockers and pushrods/pullrods defintely makes life easier and acheiving more/less linear motion rations without inducing massive bending loads in a lower...
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    I like this. Never really occurred to me in my 4...

    I like this. Never really occurred to me in my 4 years of FSAE.
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    Aaaaaaand......bite....

    Aaaaaaand......bite. http://fsae.com/groupee_common/emoticons/icon_smile.gif

    -Determine steering geometry for Ackermann effects
    -Determine "ideal" camber for inside and outside wheel for...
  4. Thread: Caster vs KPI

    by woodsy96
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    9,651

    View Post

    Tom, the KPI was 0 before I joined the team and remained right through till after I left the team. So I can't comment directly on the difference inducing KPI has.

    However, from conceptual point...
  5. Thread: Caster vs KPI

    by woodsy96
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    9,651

    "positive caster helps gain negative camber...

    "positive caster helps gain negative camber during cornering"

    This is a very good reason to run castor. So you know the answer to that question.

    The harder question is why you run KPI, which...
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    If I were a highly placed staff member in Monash...

    If I were a highly placed staff member in Monash Engineering responsible for funding allocation, I would suspect that I would be under pressure from organisations such as WEN (Women in Engineering @...
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    One of the bad things to going to the HMA4-T was...

    One of the bad things to going to the HMA4-T was that the rod ends actually have a 3/8" UNF shank, which was (is) huge comparitively and required all of the other suspension arms to be...
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    (Add some positive comments) I see they have...

    (Add some positive comments)

    I see they have added a clasue to allow teams to replace punctures as was mentioned on the forums a while ago. It is nice to see the "powers that be" do listen to some...
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    Have a chat to the Auckland team, they may have...

    Have a chat to the Auckland team, they may have just got some done.

    We changed to the HAB-4Ts in 2009. They were a bit big and overkill, but saved us making 100 million spacers, and suspension...
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    Close - the difference is corner radius. ...

    Close - the difference is corner radius.

    Following the method in RCVD you can sub out yaw velocity and car velocity and blah blah blah to make it explecit in steered angle and body slip and corner...
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    Buy into the tyre testing consortium (FSAE TTC)....

    Buy into the tyre testing consortium (FSAE TTC). You get the Milliken tyre models for the tyres and the Pacjeka coefficients from Stackpole Engineering (from memory - apologies if this is incorrect),...
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    I had thought about the whole puncture thing...

    I had thought about the whole puncture thing before - and because it is completely outside of the team's control, it should be something that is allowed.

    I don't think it would set a precedent for...
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    @ Pennyman: You can make a crosshatch pattern in...

    @ Pennyman: You can make a crosshatch pattern in excel with the data points you have, by creating a series for each line.

    http://i308.photobucket.com/albums/kk323/woodsy96/excelexample.jpg

    @...
  14. A rear brake pedal? Interesting - I would be...

    A rear brake pedal? Interesting - I would be thinking more along the lines (haha) of cutting brakes - two levers on the side of cockpit, offroad style. One operates the left rear brake only, one...
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    If I post the plot below and say it is of a full...

    If I post the plot below and say it is of a full sweep for Beta = -5:5 and delta = -5:5 (so includes beta = 0 and delta = 0), does that clear it up?

    (title removed to hide the answer)
    ...
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    Flight909, I shall correct your first statment...

    Flight909,

    I shall correct your first statment (to what I think you intended to say) to "the intersection of the zero beta line and the zero delta line is not at the origin". To which you have...
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    Yep, and they have an FSAE specific section on...

    Yep, and they have an FSAE specific section on their website - they are more than happy to help. Though they will recommend you don't use that calliper for fear of exceeding the maximum rated...
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    I did the same thing - I stopped in Excel as it...

    I did the same thing - I stopped in Excel as it didn't really allow the functionality of MATLAB

    I can't remember exactly, but I think it went something like this:

    %Vehicle Parameters...
  19. Would you rather go to your 10% test or complete...

    Would you rather go to your 10% test or complete the cost report?

    Would you rather go to your 10% test or complete the design report?
  20. I agree with Kevin - this is an interesting post,...

    I agree with Kevin - this is an interesting post, and a paper on it would be interesting to read.

    However, if I were to do FSAE over agin with what I know now, I still wouldn't give a damn about...
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    The tyre data definetely come with the codes you...

    The tyre data definetely come with the codes you are after. The files you are looking for all called call_mrandim.m (the example file of how to call expand_mrandim) and expand_mrandim.p (?) (which...
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    Look at the data and find the range you want to...

    Look at the data and find the range you want to look at (in numbers, i.e. rows of the matrix between 10500 and 17500). Then use the fit command to fit the plot. This will average out the hysteresis...
  23. Hardly overall results.

    Hardly overall results.
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    I'm hardly an expert but it looks like you are on...

    I'm hardly an expert but it looks like you are on the right track overall.

    If this is a first year car I would do some side view stuff (anti dive etc), then stick with that and go build it. Then...
  25. Or try and determine the transient...

    Or try and determine the transient characteristics of your tyre http://fsae.com/groupee_common/emoticons/icon_smile.gif
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