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Thread: First featherweight

  1. #1
    Hello, I'm making my first featherweight.
    I already searched in the forum some advices, but I made this thread to improve.
    I also made some antweight, a flipper and a rammer.

    I still don't know what the name is going to be.
    IMG_3009.jpgIMG_3010.jpgIMG_3011.jpgIMG_3013.jpgIMG_3014.jpgIMG_3016.jpgIMG_3017.jpg
    The motors are 12V coordless drills, the batteries are from the same drills, but soldered in a 2X5 pack.

    It uses servos and microswitches, the recever battery has a switch but the motors have 1 removable link for
    each.

    The body is wood, the top and bottom plate is 1 cm multilayer, the sides are 1.8 cm plywood (I didn't found 2 cm) and the front is 3 mm steel.

    It's about 31 cm long, 44 wide and 8 tall, not counting the wheels.

    I will add steel parts on the sides to make it roll on it's wheels.

    I've got a spektrum dx6i for the TX and an orangeRX 620 for the recever.

    That's it for now.
    If there are any other italian roboteers, let me know!

  2. #2
    Update:
    I added some metal aches on the sides and back so it allways lands on the wheels:
    IMG_3018.jpgIMG_3019.jpg

  3. #3
    Solid first robot mate. I don't know if there are many Italian roboteers, sorry.

  4. #4
    Eventorizon's Avatar
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    Alex
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    Solid and well thought out little machine. Nice and tight too. Now much does she weigh? I would guess around 8Kg given that its wood. I can just seen an actuator fitting in there to give you a basic lifting weapon too with out many mods.

    And I think the closest roboteers to you will be in Spain and Portrugal.

  5. #5
    Thanks for the posts!
    Actually it weighs 5.8 kg.
    I read that working with HDPE is similar to working with wood, so I thought that I make the shape out of wood first, then I build it out of HDPE.

    Here's the project made on SketchUp plus older designs:
    Cattura.JPG
    For my first robot I decided for a simpler design, mabye when it's time to rebuild it I will work on one of those other designs adding a weapon.

    Also expect a video soonish.

  6. #6
    How grippy are those wheels? They don't look as if they give very good traction. Maybes screwing bike tire on could be an option?

  7. #7
    Niels - Team K.a.L.M.'s Avatar
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    Niels van der Berg
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    It looks quite solid.

    Another point worth mentioning is that using an electric speed controller instead of servo's and microswitches will give you incremental control over your speed and will reduced the amount of wires considerably.

  8. #8
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    Good work on the sketchup

  9. #9
    Sorry if I haven't posted any posts in a long time, but I was busy with school.

    Those wheels aren't very grippy but I used them because it already has the tire.

    For the speed controllers, mabye for the rebuild.

    Here's what I managed to do:
    IMG_3034.jpgIMG_3035.jpg

    Edit: Here's the robot completely painted:
    IMG_3042.jpg
    Probably I will add a second coat of paint.
    Last edited by Tashic; 28th March 2014 at 18:51.

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