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Engineering Project 2014 - Do NOT post images of exam material

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    #62
    BrianoBrains
    Registered Users Posts: 11 ✭BrianoBrains


    Is there anybody else doing it through irish. If so we can compare portfolios


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    #63
    ire675
    Closed Accounts Posts: 7 ✭ire675


    anyone have any clues on ow long the brief should be my teacher says 15-20 but i had a look in the introduction in my exam papers and it says approximately 45


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    #64
    Badwulf
    Registered Users Posts: 411 ✭✭Badwulf


    Method Of Steering

    I used a rack and pinion and with a bit of engineering magic I made it work even though the wheels had no front axel

    Rear Wheeled Propulsion

    Chain and sprocket, simple as.

    Automated Door

    Using a servo motor to open it.


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    #65
    rebels_cork
    Registered Users Posts: 5 ✭rebels_cork


    what are ye all using for the automatic door...having a lot of problems coming up with a solution for it.


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    #66
    2thousand14
    Registered Users Posts: 274 ✭✭2thousand14


    Deadline friday anyone finished?


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    #67
    killardkaiser
    Registered Users Posts: 13 ✭killardkaiser


    Nearly finished, little bits to do still
    Mod edit : Do NOT post pictures of exam material


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    #68
    Badwulf
    Registered Users Posts: 411 ✭✭Badwulf


    How does it steer?


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    #69
    BrianoBrains
    Registered Users Posts: 11 ✭BrianoBrains


    I've only made models so far :/
    Mod edit: Do NOT post pictures of exam material
    And the drive is a clink clunk gearbox. They all work perfect


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    #70
    Nicke011
    Registered Users Posts: 137 ✭✭Nicke011


    I'm done, what you think? :)

    Mod edit - DO NOT post pictures of exam material.

    @BrianoBrains what you mean you only made a models so far? When are you going to make an actual Tumbler, so?


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    #71
    2thousand14
    Registered Users Posts: 274 ✭✭2thousand14


    Have 2 days to do the whole portfolio woohoo!!


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    #72
    TheAdammaka
    Registered Users Posts: 37 ✭TheAdammaka


    voodosheeb wrote: »
    anyone know if using a brushless motor and ESC, along with a reviver for radio control , if this would go against the brief and result in my project not getting full marks?
    I've built mine with the diff and transmission from a mini e-revo. I'm just going to drop in a ****ty dc motor and crappy gears before the lc. I don't see how what I've done is breaking the rules, but not worth the risk.


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    #73
    Badwulf
    Registered Users Posts: 411 ✭✭Badwulf


    Made a balls of my body, I put way too much isopond on it and its all big and bulky, gonna have to spend hours sanding it all down, will i lose marks for putting a lair of isopond over the body?


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    #74
    BrianoBrains
    Registered Users Posts: 11 ✭BrianoBrains


    Is isopond some sort of adhesive?


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    #75
    Badwulf
    Registered Users Posts: 411 ✭✭Badwulf


    its like a big fiber glass filler on the outside


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    #76
    dazzer2
    Registered Users Posts: 1 ✭dazzer2


    HEY , i've done a mould for my tumbler but im completely stuck on an idea for the automatic door any have any ideas ? :/


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