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Thread: World speed record with 250mm (or under) size quad

  1. #471
    Fretsaw Jedi Roboforcer X2000's Avatar
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    Quote Originally Posted by Håvard Støre View Post
    EPic! Your mold making went very well I think. Bet its the last time you use mdf as parting board So to the question..... Why is the leading edge of the arms pointyish instead of rounded? Do you want to have the option of flying both directions?
    Yeah, no more MDF indeed
    So to the question..... It's not the right one, yet you still can have some beer with me, whenever you're on Vancouver Island! So does everybody else who wants to come over
    I don't need a wing airfoil on the arms so made them pointy, no need for a lift here, just pierce the air.
    The question I was looking for is how am I gonna squeeze ESC inside the arm as it is too narrow at the body and motormount on the other side. I won't, they will be buried inside when I glue two halves together. I'll leave 3 short wires for the motor and 2 power wires at the narrow side. And if I crash, I'll have a lot of hassle- mold another arm, desolder power and motor wires and so on. All this mess is to save that extra gram
    If you're a noob, copy 1:1 what somebody already flies without too much questions, you'll find the answers later.
    PatrikE: I don't see anything wrong in your dump...
    Derrick:
    you are flying it LOS... You are doing it wrong.

  2. #472
    Fretsaw Jedi Roboforcer X2000's Avatar
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    Both plug halves are finally done, ready for molding arms

    If you're a noob, copy 1:1 what somebody already flies without too much questions, you'll find the answers later.
    PatrikE: I don't see anything wrong in your dump...
    Derrick:
    you are flying it LOS... You are doing it wrong.

  3. #473
    Fretsaw Jedi Roboforcer X2000's Avatar
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    I've molded one arm (two halves) and realize that this will take forever... Mushroom cap is deep enough and it takes some time to get everything right to get proper vacuum. In other words I can't mold in to 2 plugs at the same time. So 4 arms by 2 halves plus 4 times to glue two halves together for each arm leaves me nearly 2 weeks just for molding/glue shit, if I mold one arm's half in one day while cleaning other plug. Watching epoxy dry constantly for 2 weeks is no fun, I'll go start building my snowboard while waiting... LOL
    Here's one half of the arm. Same 0.7mm thickness, solid, 3.6gr weight. It obviously has some torsional flex, but that should be gone after two halve' marriage.

    If you're a noob, copy 1:1 what somebody already flies without too much questions, you'll find the answers later.
    PatrikE: I don't see anything wrong in your dump...
    Derrick:
    you are flying it LOS... You are doing it wrong.

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