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Type: Posts; User: Jay Lawrence

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  1. Replies
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    I dunno, maybe you'll have to find some stuff...

    I dunno, maybe you'll have to find some stuff out?
    If you want actual answers here, then maybe re-design your question?
  2. Well, we could probably bring out all the excuses...

    Well, we could probably bring out all the excuses under the sun but at the end of the day teams seem to naturally rise and fall with the years, and I would guess that it's mostly down to whether...
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    From my experience, teams usually do a banking...

    From my experience, teams usually do a banking run in the morning and a fast driver run in the afternoon.
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    I watched some of the live stream and kept up to...

    I watched some of the live stream and kept up to date with my old team. Awesome for them to get their first win in about 12 years!
    From what I could see, I really liked the Griffith car. 600-4 on...
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    ^ From memory, I was able to get 150-200ms...

    ^

    From memory, I was able to get 150-200ms shifts with a simple linkage and a lift and shift approach, compared to about 80-90ms for an electro-pneumatic system. The mechanical system never...
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    I would second that. Start off safe with ignition...

    I would second that. Start off safe with ignition and lambda, and buy a timing light :)

    For ignition, you basically want it to be as far advanced as possible until it starts to ping or it fights...
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    The point of my post was to get him to think...

    The point of my post was to get him to think about it.

    So, how many points do you gain by not having to take your hand off the wheel?
    Without knowing that, why would a good engineer want to add...
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    Well you could try Google. Better yet: until...

    Well you could try Google.

    Better yet: until you can specify exactly how many points an electric shifter system will net you, use a mechanical linkage.
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    We have some small scale manufacturers, but...

    We have some small scale manufacturers, but basically yeah... we will be an import only market. We used to have Mitsubishi, Toyota, Ford and Holden (at least). We then had a mining boom that helped...
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    Yeah, I know, I've been approached by random...

    Yeah, I know, I've been approached by random Indian students (and professionals...) and been asked for 'the answer' on several occasions in the past. It sucks and I don't believe I have the power to...
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    No Claude I haven't, but the country of origin of...

    No Claude I haven't, but the country of origin of the OP had nothing to do with my comment. I understand that there are issues with authority figures and current educational systems in India, and...
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    umashankar, Please don't be put off by Claude....

    umashankar,

    Please don't be put off by Claude. It would suck to see people give up because they were put down by people on this forum who supposedly knew everything the day they were born...
    ...
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    I think it's a good move and I'm looking forward...

    I think it's a good move and I'm looking forward to seeing the new developments. That being said, the committee could simply have removed the capacity limit altogether. The restrictor makes larger...
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    ^ It's a weird mix. In my situation, it was...

    ^

    It's a weird mix. In my situation, it was very much a case of 'elders' having no clue about what you'd done or how to do it themselves, but also succumbing to the innate desire that some little...
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    Yeah... a precision machined restrictor with a...

    Yeah... a precision machined restrictor with a single reference point (the throat diameter) is not the same as some composite measured (actually, re-measured) relative to some rubber. When the rules...
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    Hi Ninda, I suggest you update this post with...

    Hi Ninda,

    I suggest you update this post with a whole lot more information if you expect to get any decent responses.

    For example, you should share all of your working so that people have some...
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    Or grab your own engine and yank on the shifter...

    Or grab your own engine and yank on the shifter with a fish scale

    Either way, don't design it for minimum shift force
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    JT, you raise some really interesting points, and...

    JT, you raise some really interesting points, and I'd been thinking along similar lines. Back when I had to present powertrain to a design judge, he noticed that our restrictor was shorter than...
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    Ahhh yep, that's pretty much it! I know full well...

    Ahhh yep, that's pretty much it! I know full well that I'm in the minority, but I would have assumed that most on this forum would also be a member of that group. As I've said a couple of times now,...
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    CWA, it sounds like you are saying that people...

    CWA, it sounds like you are saying that people who don't know what's going on, even at a basic level, are 'right'? I agree with this to the extent that 'the customer is always right' and the customer...
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    I guess the difference of opinion that we are...

    I guess the difference of opinion that we are having here is in the definition of what is 'wrong.' To me, if a person has no knowledge on a given subject (and hence buys a car because it has a high...
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    Classic Z!!! I happen to agree (not that it...

    Classic Z!!!

    I happen to agree (not that it matters) that the customer is WRONG. How can someone rely on complex algorithms to fix their obvious mistakes (the first of which was to buy a car based...
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    Yeah nuking endurance (100% objective) in favour...

    Yeah nuking endurance (100% objective) in favour of design (pretty much 100% subjective) seems like a terrible idea
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    Matt, If you ever come back, try to filter...

    Matt,

    If you ever come back, try to filter the bile from the useful information in Z's responses. Unfortunately he's about the only person to have been born with the entire world of knowledge...
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    That sounds very light, from memory. Can you post...

    That sounds very light, from memory. Can you post up a picture?
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