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Head speed and Tracking Issues

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  • #1

    Head speed and Tracking Issues

    Hi. I am relatively new to this great hobby and therefore i still have some 'issues' about the setup of my model that i would greatly appreciate some help on.
    I have a standard zoom 400. I am still learning to master the basics. Obviously i need a model that is setup to be timid so that it would make hovering and basic slow flying easier.
    I would like to know what percentage speed i should run at, now i run a setup on my Futaba ff9 as follows:

    full back 0.0%
    1/4 stick 42.5%
    mid stick 85.0%
    3/4 stick 85.0%
    full stick 85.0%

    My reasoning is that if i dont run my headspeed at maximum then my model will be less 'nervous' and easier to control.
    Is this correct? What is the max head speed on the zoom 400
    and how should i set it up for my level of flying?

    Also, I set the tracking on my zoom but i just can't seem to get it 100% right. There is about a one milimeter gap between the two tips. Is there an acceptable 'gap' or should the blades be tracking exactly 100% in the same plane.
    PLEASE HELP
    Thank you
    Tags: None
  • #2
    Ryno

    Not to sure on the zoom, but I run my X400 at approx 2400 on the head. My throttle settings for this are 10, 45, 65, 85, 100% and the pitch range is; -2, +5, +10. Even at the default settings in the Tx, your headspeed would be sufficient providing the pitch at mid stick is not too high. A good indication of a low head speed is when the helicopter nods when hovering. Small helicopters are more sensitive than larger ones and a bit harder to control. To set it up to learn, I would go back to the default throttle curve and set the pitch curve to the numbers above. Once you get a feel for the model, then play with the throttle setting. At mid stick, you shouldn't need to raise the setting higher than 65%.

    When you're checking the blades for tracking, they should be as close as possible and 1mm is nopretty close. Wooden blades can sometimes be a pain to track, because they flex.
    Ant
    Pilot of scale earth repelling objects

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    • #3
      is your zoom a stock one with the electrics pack with it? It makes a difference as different setups will give you different requirements.

      the small stuff generally flies better at high headspeeds it makes them more stable and less prone to wind if your flying outside.

      It really annoys me that the shops sell new fliers the small helis they are not easy fly and are generally low quality and not terribly reliable. I hate to think how many have been put off by trying and failing to fly them.

      Ade
      www.accurc.com
      adrian@accurc.com
      This is an apple free zone
      anybody can be an Arsehole, it takes real commitment, dedication and a whole lot of effort to be nice.

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      • #4
        Hi. Yes it is stock with the pro-tech electrics pack and a 1600 mAh batt. Also with my transmitter setup like it is with max throttle at 85%, would the speed controller perceive this as 100% when you switch it on and move your stick to full throttle and back to program the speed controller?
        Thanks for your help.
        Ryno

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        • #5
          its been a while since a messed with the stock setup. From what I remember to get the head speed reasonable you will have to have the throttle curve like this,

          full back, 0%
          1/4, 65%
          1/2, 100%
          3/4, 100%
          full forward, 100%

          the head speed will initially be quite high but after a couple of mins it will drop off a bit.

          yes, if you had 85% at full stick when you program the esc would see this as 100%, so when you program you should always have 100% throttle available.

          Ade
          www.accurc.com
          adrian@accurc.com
          This is an apple free zone
          anybody can be an Arsehole, it takes real commitment, dedication and a whole lot of effort to be nice.

          Comment

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