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Type: Posts; User: Jarrod

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  1. Replies
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    http://www.lemo.com/index.jsp not cheap, but...

    http://www.lemo.com/index.jsp
    not cheap, but plenty of options.
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    1,871

    The MoTec ECUs only have logic level ignition...

    The MoTec ECUs only have logic level ignition outputs, ie unable to supply enough current to charge the coils. The Bosch Ignition modules are also current limited (10amps?), so should only run one...
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    http://www.airportmetals.com/stocklist.htm at...

    http://www.airportmetals.com/stocklist.htm

    at tullamarine airport in melbourne, may not have 6061, but can probably supply something better. I think Bohler Uddeholm also carry a fair stock. They...
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    7,062

    yes, Nick at monash tried to amke slip angle...

    yes, Nick at monash tried to amke slip angle sensors from an optical mouse, even went to the trouble of making a disc of "road" that he put in a lathe, then moved the mouse to different distances and...
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    3,577

    the apex joints won't do 40deg, 35 is the limit,...

    the apex joints won't do 40deg, 35 is the limit, they get very notchy past that (we had ours at about 32). If the rack is mounted rigidly, and the pinion and upper steering column are well supported...
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    first place to look is the supplier sponsors ...

    first place to look is the supplier sponsors

    http://www.sae-a.com.au/fsae/sponsorship.htm

    at the bottom there is a list of companies that offer sponsorship to all teams, should get you a...
  7. Thread: 2005 FSAE-AUS

    by Jarrod
    Replies
    153
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    12,913

    Jack, we did run a stressed oil pan, third year...

    Jack, we did run a stressed oil pan, third year running, shocks and bellcranks mounted off the side. you can almost see it all from underneath the car when it is up on two wheels during the enduro,...
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    be wary of aluminium, as the drive force is...

    be wary of aluminium, as the drive force is transferred to side of the the pawls through the drive faces in the case, and the pawls are sliding back and forth while the diff is working, not and ideal...
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    there is a full sized autoclave in brisbane...

    there is a full sized autoclave in brisbane somewhere, we were doing a lot of chasing to find one last year, I think the guys building the carbontech spyder(?) told us about it. I don't recall any of...
  10. Thread: sprotor

    by Jarrod
    Replies
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    695

    when we ran it in 2002 we ran o-ring chain, which...

    when we ran it in 2002 we ran o-ring chain, which has the rollers internally lubricated i believe(? i was only really a helper then, another guy did the driveline/chain) and we ran a very small...
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    These have been around for a couple of years in...

    These have been around for a couple of years in speedway, with one key feature being


    and with traction control being illegal in most series, it was a handy little object. The driver could...
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    plot a graph of contact ratio as the diameter of...

    plot a graph of contact ratio as the diameter of your driven gear increases towards infinity, the answer becomes obvious.
  13. Thread: track maps

    by Jarrod
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    6
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    2,339

    I have a scanned .jpg of the track which you can...

    I have a scanned .jpg of the track which you can scale from the skidpad layout. It shows the circuit, but obviously without the cone layouts. It has come from a CAD plan of the venue by the look of...
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    we have been through all of that fun, and just...

    we have been through all of that fun, and just got a new OH&S rep this month, have a meeting on friday, so may even get to do it again. We had to prepare risk identifications, safe work instructions,...
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    yep, thats ours, in 2003. From wollongongs...

    yep, thats ours, in 2003. From wollongongs website if i recall?
    Our website is currently down, some administration thing. There will be pics on there when we get it back up.
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    works pretty much the same as torsen from what i...

    works pretty much the same as torsen from what i understand, but it opens up quite a bit after a bit of driving (carroll smith talks about this in one of his books). We simply put some silicon in the...
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    The powder and porosity sound like either dipping...

    The powder and porosity sound like either dipping the tungsten in the weld pool, or poor gas coverage. I have found that with small nozzles, too much gas can often be worse, as the gas flow will be...
  18. For shoulder screws try blackwoods in scoresby,...

    For shoulder screws try blackwoods in scoresby, they also have other locations. Thomas Warburton in Springvale, I think Coventry fasteners as well.

    Linear bearings carry rod ends, or Dick Wards...
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    Check your PMs

    Check your PMs
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    The calder park area we used to use is no longer...

    The calder park area we used to use is no longer available, there is rumored to be another area though(Colin?). We have a couple of places we are able to use at the moment, the site owners are pretty...
  21. Thread: Bellcranks

    by Jarrod
    Replies
    43
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    6,518

    Tire, rim, upright, brakes etc, then wishbone...

    Tire, rim, upright, brakes etc, then wishbone geometry, and a-arm points, find a suitable place for your steering rack, as getting the rack to fit in a good spot that suits driver ergonomics and...
  22. Thread: Bellcranks

    by Jarrod
    Replies
    43
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    6,518

    changing rocker ratios will likely be changing...

    changing rocker ratios will likely be changing your roll centres as the car will be rolling and pitching differently, possibly due to different load reactions due to push/pullrod loadings too. I...
  23. Thread: Tire shelf life

    by Jarrod
    Replies
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    1,095

    Having fitted a lot of different tyres to FSAE...

    Having fitted a lot of different tyres to FSAE cars over the last couple of years, (dunlop, avon, hoosier, goodyear, formula ford) to a few different rims (mostly spun aluminium)I can tell you that...
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    MoTec is user definable on almost everything, you...

    MoTec is user definable on almost everything, you just pick form a list what type of sensor it is, and you can either use standard calibrations and settings or set up your owm. We are running the...
  25. Thread: tire defect?

    by Jarrod
    Replies
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    1,654

    Stevo, the dunlop fitment guide is here, i...

    Stevo, the dunlop fitment guide is here, i believe it applies to all dunlop motorsport tyres.

    http://www.dunloptyres.co.uk/ourTyres/motorsport

    we always fitted ours (13's) according to this...
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