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  1. Bill Safrit

    Beginner's Hubsan X4: Difficult to keep it at a certain height

    The Hubsan was really easy for me to hover as I mentioned before. What I did not mention is the fact that I am a 3d heli pilot with a Thunder Tiger 450 and my Trex 550. I also fly giant scale 3d aerobatic giant scale airplanes. I find quads not only simple to fly but somewhat boring. I've...
  2. Bill Safrit

    Flight equations

    No you cannot control the motos without ESCs. If you are going for as much speed as you can get out of your project drag is an issue with every single aircraft ever designed. Fe? A motor is not an engine. The correct term you are trying to get at is Kv. (1000 rpm per volt) Kv is how all...
  3. Bill Safrit

    Beginner's Hubsan X4: Difficult to keep it at a certain height

    I'm not trying to be mean Hugh. I have flown the quad in question here. I had no problem hovering at one altitude with very little input from the stix. Quads are not hard nor difficult to fly. A 6 year old can fly one with a great deal of confidence after only two days of flying one. Jan404 is...
  4. Bill Safrit

    Beginner's Hubsan X4: Difficult to keep it at a certain height

    Hi Jan404. This may sound too simple. I am an all out 3D helicopter pilot. I fly both 450 and 550 class helis. You would think hovering a rotor craft would be the most simple maneuver to learn. Not so. You mentioned being a beginner. Any beginner has a tendency to over correct. I have flown the...
  5. Bill Safrit

    CONTEST! World's Smallest RTF Quadcopter Giveaway

    ;) I feel like I would be the best candidate to write a review for the Cheerson CX-10 quad. My flying skills with flying both 3D high performance large scale helicopters and giant scale airplanes along with flying multirotor aircraft ever since they became available on the market would make me...
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