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  1. Thread: 2019 Rules

    by Owen Thomas
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    2,163

    There's no restriction on front wing width below...

    There's no restriction on front wing width below 250mm height, but I agree that adding some dimensions would help the diagrams be more useful.
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    Yep. Connect the dots. 100% correct. Is...

    Yep.

    Connect the dots.

    100% correct. Is there anything you can do to stop other teams from being as prepared as possible? Is it "fair"? Nah, so try not to get too worked up about it and...
  3. Wouldn't consider myself an expert either and not...

    Wouldn't consider myself an expert either and not familiar with that ECU, but have dealt with similar problems before.

    Check for an "over run" trim that changes fuel based on TPS rate and play...
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    I'd just like to set straight that I never called...

    I'd just like to set straight that I never called into question anyone's value in terms of technical knowledge. I too have several of your posts saved Z, my commentary on ineffectiveness was the...
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    Z, You are cherry-picking what you want out of...

    Z,

    You are cherry-picking what you want out of my post and taking it out of context. This is, sadly, expected and your attack adds weight to my statements.

    My point certainly wasn't that it is...
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    Wasting all our time

    This doesn't really add anything of value so I hesitate to post, but let me paint you a picture regarding declining forum participation:

    You are new in your chosen field and find yourself at a...
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    I pop in every once in a while, just a lowly tech...

    I pop in every once in a while, just a lowly tech inspector.
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    I saved the paper that post was centered around,...

    I saved the paper that post was centered around, unfortunately it's above the 19.5 KB (!?) limit for PDF attachments. If anyone is interested google "Development of a Low Cost Slip-Angle Sensor" and...
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    Yes. Consider a layer of Kevlar where the...

    Yes.

    Consider a layer of Kevlar where the floor may scrape the ground.
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    You will want to simulate the effects of the fan...

    You will want to simulate the effects of the fan by introducing a couple new boundary conditions: one right before the rad, and one right after the fan. Your fan spec sheet will have data about...
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    Sticky: Learn and Compete: the phantom publisher

    I am looking to obtain a copy of the Learn and Compete book, but it seems to be unavailable. Even the Kindle version on Amazon is "under review" and cannot be purchased. My softback book was...
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    Yes, I switched us to the PS-1's on the rear this...

    Yes, I switched us to the PS-1's on the rear this year. They are currently on a shelf waiting to be put onto the 2014 car, however, so they are untested. I am not worried about over pressure because...
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    About the PS-1 pads; I have an email from a rep...

    About the PS-1 pads; I have an email from a rep at Willwood stating "The Sintered Metallic pad has a 0.60 CF at 200 degrees Fahrenheit" after asking about friction properties. I took this to assume...
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    Absolutely. You can find a thread "stickied" on...

    Absolutely. You can find a thread "stickied" on this forum that has a great list of books, as well as some very insightful posts on how to approach the competition. There is also an astounding amount...
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    Availability, cost, performance - these are all...

    Availability, cost, performance - these are all major criterion with differing and often competing sub criteria. You will have to decide which are more important than the others based on your teams...
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    I think you would have a hard time selling the...

    I think you would have a hard time selling the vehicle as a non-hybrid, even if the motors are tiny. The easiest way to get some extra energy would probably just be a few extra battery cells. Boring,...
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    The batteries and driver compartment must also be...

    The batteries and driver compartment must also be separated by a firewall, if I am not mistaken.

    I would strongly recommend reading the appropriate rules and interpreting them yourself or...
  18. McMaster Carr has a selection...

    McMaster Carr has a selection (http://www.mcmaster.com/#tube-end-weld-nuts/=o5xs02). They don't look all that nice to me, however.

    These are probably one of the easiest parts to make yourself...
  19. I'm not sure where you're finding ERW tubing at...

    I'm not sure where you're finding ERW tubing at such a low diameter, but if you are getting significant cost savings it shouldn't really make a difference versus seamless. The largest contributing...
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    I see your unicycle with fairings, and raise you...

    I see your unicycle with fairings, and raise you the riot wheel:

    http://hackedgadgets.com/wp-content/_riot_wheel.jpg
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    In the last 4 years, we have used: a local hard...

    In the last 4 years, we have used: a local hard drive, Drop Box, Sugarsync, FTP server (local server in our room), and finally now we use something called Own Cloud. We just started using it, but it...
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    FTFY. Of course I googled that, by the way:...

    FTFY.

    Of course I googled that, by the way: http://solowheel.com/
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    What kind of modifications? Did you bump up...

    What kind of modifications? Did you bump up compression? Maybe stiffer valve springs? Turbo? I am having trouble imagining anything that would give the CBR starter troubles, since it is fairly robust...
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    The orientation of a caliper should not matter as...

    The orientation of a caliper should not matter as long as you can still effectively bleed the brakes. Staggered pistons would also be troublesome, but I do not think that is very common on motorcycle...
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    +1. Shigley's Mechanical Engineering Design is a...

    +1. Shigley's Mechanical Engineering Design is a pretty good text. Plus, there's all kinds of "nominal size ___" tables and empirical rules of thumb that help a ton with design.

    Edit: Link didn't...
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