Recent content by sroberti

  1. sroberti

    Fluid Dynamics: Maximizing Downforce Between a Robot and the Floor

    Oh wow, I hadn't seen this implementation before! I wasn't able to find any more detailed articles on their design from my quick search, but on visual inspection, this does look very very close to what I'd like to do. I heard something similar for the first time just the other day from other...
  2. sroberti

    Fluid Dynamics: Maximizing Downforce Between a Robot and the Floor

    Sadly, this is completely infeasible in this case. For context, the competition in question is NHRL, a combat robotics league; my robot will need to stay grounded to effectively maneuver around opponents. Furthermore, at this scale (remember, this is a 3lb bot), mechanisms to store and release...
  3. sroberti

    Fluid Dynamics: Maximizing Downforce Between a Robot and the Floor

    It also appears to be dedicating roughly one-third of its mass to its propellers and associated motors, which is far more than I would be able to afford. Unrelated, but I've also come across an interesting paper on the subject, one which I hadn't found in my previous searches...
  4. sroberti

    Fluid Dynamics: Maximizing Downforce Between a Robot and the Floor

    More direct, perhaps, but I imagine it would also be far less power-efficient. I am limited in the mass I can dedicate to batteries and motors, so I'm hoping to make use of ground effect to get the greatest extra downforce per weight investment that I can manage.
  5. sroberti

    Fluid Dynamics: Maximizing Downforce Between a Robot and the Floor

    Indeed, the Fan Car is a big part of the inspiration here. I would personally be very interested in seeing schematics of the underside of the BT46; specifically, I have no idea if the bulk of the pressure differential is caused by the seal from the skirt, by the change in pressure from the...
  6. sroberti

    Fluid Dynamics: Maximizing Downforce Between a Robot and the Floor

    Good evening, all! Some quick background: I am working on a robot for a competition that strictly limits entry weights to 3lb. Robot speed & acceleration are highly desirable in this competition, so I have been focusing on ways to maximize my entry's performance. Drive motors for these...
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