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Thread: How could I Improve pt 2

  1. #821

  2. #822

  3. #823

  4. #824

  5. #825
    Quote Originally Posted by majinb
    hello CPA23 aka A Wafer Thin Mint, feel welcome! its good to see we still get newcomers these days, may I ask how you found this place?

    As for your first attempt, not bad and fairly original, lets see, for starters I think the description of the shape could be clearer Truncated Pyramid with wedge at front, a truncated pyramid I understand, but by definition a pyramid has wedges on all 4 (I take it its a 4 sided pyramid?) sides, so with wedge at front confuses me.
    Also the dimensions, while they are far from unrealistic, I get the feeling this bot could be lower, as it is its nearly a cube, then again the height may be due to the drum resting on top, but even then I get the feeling its fairly high.
    Now for the weapon, the Warrior SKF flipper is a complicated weapon and nice to see you use it. You have to consider how the weapon works though and thereby how to alter it, like by using a vertical drum instead of a horizontal disc. The flipper of Warrior has a... metal thing under it somwhere, that can be lowered so its touched by the teeth of the disc. When the disc hits it, the flipper can do nothing but go up and because of their different movements (vertical/horizontal) they merely nudge each other and both continue their own path. If you'd use this technique with a vertical flipper, I think you'd rip your own flipper off. Id like to point you to Joey's robot The Hurting, first post on the following site: http://strickenone.proboards.com/index. ... thread=492 . In this complex but clever robot a vertical flywheel powers a flipper.

    I can see this design doing well with some minor tweakings, good job

    Does this quote help?

  6. #826

  7. #827
    try a belt system with lotsa shock proofing?
    hey 600th post :P
    jack

  8. #828
    A quick set of stats:

    Extreme Gyration (Active)
    Weight: 150kg
    Shape: A flat disc.
    Colour: Chrome all around.
    Dimensions: 20cm x 70cm x 70cm
    Drive: 2 36v LEM-130 motors, powered by 11 A123 Battlepacks.
    Locomotion: A specialized pair of Drillzilla-style shuffling feet, featuring urethane rubber feet.
    Armour: 4mm titanium, with 5mm of vulkanized rubber underneath.
    Speed: 7mph
    Ground Clearance: 4mm all around.
    Turning Circle: 0m
    Weapon: The weapon is a 100cm long 27kg Hardox bar, powered by 3 Husqvarna chainsaw motors that produce 17hp at 24000rpm. The chainsaw motors are geared 3:1, lowering the bar's speed to 8000rpm. Using the KE calculator, the bar should put out(rounded to the nearest tenth) 1.5MJ. That's right, Megajoules. The blade spins around 800mph, about(rounded to the nearest hundredth) Mach 1.15, and gives off sonic booms from the blade. The weapon should spin up to 8000rpm in about 4 seconds.
    Srimech: None, but to flip it, you have to get past the spinning bar first, and there's a chance that, due to gyroscopic forces, the robot might flip itself back onto its wheels.
    Strengths: As of this post, the biggest, and most dangerous spinner around.
    Weaknesses: Unreliable Srimech.
    Bio: Nega2vity/Ninjoid get's stepped up a notch. Using calculations made by the brilliant and infamous Aaron Knight, Extreme Gyration utilizes the biggest and most deadly blade around. All parts are highly shock-proofed, and I'm surprised Aaron never turned his Super-Deadly spinner into a shuffler to fix the 2mm polycarbonate...
    Win/Loss Ratio: N/A

  9. #829

  10. #830
    Trying to get something putting out 1MJ to work without killing itself an/or its weapon can't be done unless you build it way, way over any of the weight limits going around.

    Aaron himself admits Gyrate was a disaster XD

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