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  • exponential

    I am amazed at how many rc pilots don't know about expo. Using about 40%, or more, makes all the difference in the world, for ease of control. It can make the difference between crashing and flying! The Doctor

  • #2
    Re: exponential

    Expo definitely helped smooth things out for me. You need a computer radio - Throw that RTR radio away if you have one. I usually start with around 20-25% and go from there. Many end up around 30-40% and my jets usually have even more.

    Someone once told me, the difference in a "real" p51 is that you have the physical forces working against you on the stick. So expo correlates that with models and computer radios since you don't get that feeling.
    Hangar: 90mm F16, 90mm F-15, 80mm Mirage, 90mm F-18, 1400mm P-40, 64mm F-22

    RIP: 80mm F-14

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    • #3
      Re: exponential

      I wonder if morter will stick to rtr transmitters. I could build a house!!! The Doctor

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      • #4
        Re: exponential

        Some questions, though - I have no doubts about the value of expo, and I think I understand it (in general), but...

        What does, for example, 35% really mean? I know that around the center of the stick's area the motion is 'dampened', and that at the extremes the pilot will get the full motion anyway, but -- well, here's what I want to know:

        > First of all, which way is which? I assume that a higher percent of expo is dampening more than a smaller percent, am I right?

        > Is it true or false to say "the more, the merrier"? I.e., is 70% expo on elevator, say, going to help you out way more than 30%, or do you get to the point where too much is actually causing you (the inexperienced pilot) problems? If it is, why?

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        • #5
          Re: exponential

          Oh, and Happy New Year, everyone!

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          • #6
            Re: exponential

            You are right. You can't go by "the more the better"! There are a lot of variables....Your experience- The airplane- Flying aerobatic or just putting around. Start with 30%-40% and experiment. Of course, never go to a negative percent! A member of our club flies serious aerobatic competition, both full scale (a SU-26) and RC. He uses up to 60% expo but varies it according to his pattern. The Doctor

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            • #7
              Re: exponential

              So then the higher the expo number, the more it's helping you out, I take it - at least up to a point.
              And a negative number is actually adding twitchiness to it?
              Thanks, Doc

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              • #8
                Re: exponential

                Positive or negative depends on the transmitter, as some work the opposite of others. Also, the numbers are different by brand, so 20% in one may be -35% in another. You really have to read the manual on this one.

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