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Type: Posts; User: Jonny Rochester

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    #E43 UTAS, 265kg without aero (but wings went on...

    #E43 UTAS, 265kg without aero (but wings went on in pits then came off again). Only driven in the week before comp, (yeah, I drove it a bit. Had enough power.) Stuggled to get through EV inspections....
  2. Cheeoli, your calculations may not necessarily be...

    Cheeoli, your calculations may not necessarily be incorrect, but your inputs could be unreasonable.

    I have made my own brake force sheet in Excel and am able to replicate this condition with lower...
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    The equations are basically correct I guess, but...

    The equations are basically correct I guess, but we need to know what your actual problem is. Also, (assuming I can guess what your problem is) there is a few different ways to tackle it.
    ...
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    In my opinion, this does not breach the rules....

    In my opinion, this does not breach the rules. There are very few rules about the placement of the engine itself or it's mounts. Only the intake manifold and throtle has to be inside a line drawn...
  5. The way I read it, there is no conflict of rules,...

    The way I read it, there is no conflict of rules, but 2 ways which can discribe the same result. Just keep the top member near horizontal, and within 350 and 300mm from the ground and everything...
  6. Quick jacks & Lifting car onto jack stands

    Hi guys. I'm hoping someone can give me some links or advice on my FSAE major project.
    It seams incredibly trivial, but I'm looking at lifting devices, dollys, jacks etc. for FSAE.
    Trivial, but...
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    Thanks for bringing up the UTAS thread from 2014,...

    Thanks for bringing up the UTAS thread from 2014, I'm honored. :o (I also had a UTAS thread for 2015 which got a bit harsh as well, don't read that...)

    I'm still with the team. This years design...
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    T3.10.7 The minimum radius of any bend, measured...

    T3.10.7 The minimum radius of any bend, measured at the tube centerline, must be at least three times the
    tube outside diameter. Bends must be smooth and continuous with no evidence of crimping or...
  9. 1. PE3 don't have the traction control bit...

    1. PE3 don't have the traction control bit described in their manual, you have to email them direct for that, they know about FSAE so mention it: info@pe-ltd.com
    Switches are not expensive so buy a...
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    I'm not going to give an exhaustive method to do...

    I'm not going to give an exhaustive method to do all that, that is your job, as you are probably studying statics at university yourself?

    Maximum torque: Weight on rear tyres [130kg] x...
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    Just last week, I had to get UTAS 2014 car (brown...

    Just last week, I had to get UTAS 2014 car (brown go-kart with single, but too wide, no plenum) back on 4 wheels, because it's going to our museum. No joke.
    Our 2015 car (and 2016) was a huge...
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    You may consider putting all these type posts and...

    You may consider putting all these type posts and questions into a single thread. We would love to track your progress and finally see photos of this.

    Your question here does not relate to rules,...
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    I propose a new rule. (It's so simple, you'll...

    I propose a new rule. (It's so simple, you'll love it).

    Design judges have to bring their own FSAE car to comp.
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    I pulled that number out of thin air. He wanted a...

    I pulled that number out of thin air. He wanted a number, I gave it to him. But 57mm wouldn't be such a bad place to start.
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    As a bare chassis, that template looks fine....

    As a bare chassis, that template looks fine. However if you place a gearshift lever or other controls in the cockpit, that's when things get a bit tighter.
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    80mm is generous clearance for a good FSAE car,...

    80mm is generous clearance for a good FSAE car, as 100mm clearance is the legal requirement for road cars.

    "Optimum" clearance is 57.367mm, from chassis to ground.

    Then your underbody aero...
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    The next thing is to look at legal wall thickness...

    The next thing is to look at legal wall thickness of tubes.

    In your second image, the coloured tube does not even need to be there (legally), so you can make it whatever you like.
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    Karam, Regarding your first image, this is...

    Karam,
    Regarding your first image, this is acceptable and looks fine. All tubes inside the black circle need to be fully welded. This is in principle the same as the UTAS (and many other) chassis....
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    Both images are OK. Image 1 is fine, there is no...

    Both images are OK. Image 1 is fine, there is no requirement to extend the roll hoop like in image 2.
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    Good idea. If it's ECU approved, consider it...

    Good idea. If it's ECU approved, consider it done.

    I am cautious of anything with aluminium welds that is under stress. I'm always expecting cracks.
  21. Thanks to Jake I got a drive of the Griffith car...

    Thanks to Jake I got a drive of the Griffith car (GRT-16 aka Scarlett). I appreciate the opportunity, it's a very nice car and I didn't get to see all details, but if I'm allowed to be critical...
    ...
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    UTAS endurance

    Our car struggled last year with tight corners in the track, and heavy steering in our car, and large turning circle.

    I wasn't a driver this year, but both those problems where fixed. A much...
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    Utas

    It seams Thursday of comp is just to setup and keep building your car if you havn't finished it yet.
    We identified some tech inspection issues our self, the usual steering column protection which...
  24. You have a problem then. You could have a blown...

    You have a problem then. You could have a blown headgasket causing an internal water loss, or your radiator cap may not be working as it should. I have the radiator cap overflow hose running all the...
  25. From just minimal engine tuning experience, I...

    From just minimal engine tuning experience, I would also judge 105 - 115 degreesC was a little high.

    With our CBR the thermostat opens at 82deg C, which is also normal for most cars. The racing...
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