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Thread: Newbie/oldbie

  1. #101
    Garfie489's Avatar
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    Quote Originally Posted by J.A.G View Post
    Wow you kicked there ass. And yes that is fast. It just seemed so slow on the gearbox
    You got to put wheels on it yet, the bigger the wheels the faster it moves.



    Like Hatchet, Defector has drill motors and due to its big wheels it is very fast on full throttle. Bigger wheels does reduce the torque however, so its a balance.
    My 3 loves - Rugby, Racing, and Robotics.

  2. #102
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    Jamie McHarg
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    Bigger wheels also increase the stress placed on the gearbox and its associated components, so that's something to bear in mind. Depending on how big you go, you might want to consider supporting the wheel on the opposite side too.
    Jamie McHarg
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    With great power, comes great reliability.

  3. #103
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    James Griffiths
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    Am thinking of using caravan jokey wheels

  4. #104
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    Quote Originally Posted by J.A.G View Post
    Am thinking of using caravan jokey wheels

    Really, don't do that

    Way too big for drill gearboxes, they will just cry in the corner

  5. #105
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    How big are the featherweights normally are

  6. #106
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    Most Featherweights use 100mm Diameter wheels

    Drill gearboxes as Jamie said will not like running massive wheels, the bigger the wheels, the more strain on your gearbox

  7. #107
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    How big are featherweight bots

  8. #108
    Garfie489's Avatar
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    Quote Originally Posted by J.A.G View Post
    How big are featherweight bots
    Look in the rules, 13.6kg is the only limit.

    Thus if you make it out of 50mm thick lead - it's going to be pretty small. Make it mostly out of air - and it can be bigger than most heavyweights (Look at failboat).

    You need to plan and design to the rules, using knowledge gained from build diaries and so on. You can't just ask people to give every random specification for a robot - as it won't go together
    My 3 loves - Rugby, Racing, and Robotics.

  9. #109
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    They're as big as you want to make it, but bear in mind the bigger it is the less armour you can get in weight. Make it as big as it needs to be to fit the internals in and then build around that.

  10. #110
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    You can see a fairly typical featherweight in the middle (the one shaped like an inflatable boat).



    Aiming for that sort of size should be good.

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