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Henschel Bi plane need help with Elevator settings for landings

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  • Henschel Bi plane need help with Elevator settings for landings

    FMS bi plane if I come in for landings on low rates because its purposes up and down and very hard to land. I did give the elevator more exponential, should I give it even more like 50% or none at all.
    Attached Files

  • #2
    65% rate, 50% expo
    TiredIron Aviation
    Tired Iron Military Vehicles

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    • #3
      Originally posted by TiredIronGRB View Post
      65% rate, 50% expo
      say did you get this from experience or the manual , I need a manual any way do yo know how I can get one for this Henchel FMS Bi Plane

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      • #4
        Originally posted by F22 View Post

        say did you get this from experience or the manual , I need a manual any way do you know how I can get one for this Henchel FMS Bi Plane
        say I had found this but it isnt much help on the exponential.
        Attached Files

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        • #5
          this is the plane
          Attached Files

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          • #6
            Experience...
            TiredIron Aviation
            Tired Iron Military Vehicles

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            • #7
              Expotential is different for each person. I have not seen a manufacture give a recommended exponential setting only recommended control settings. Before using exponential try reducing your control throw mechanically or on your radio. If the elevator is still touchy start with 10% expo and go from there.

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              • #8
                I'm a big fan of expo, I run 40 to 45% on everything

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                • #9
                  Originally posted by boomer108 View Post
                  Expotential is different for each person. I have not seen a manufacture give a recommended exponential setting only recommended control settings. Before using exponential try reducing your control throw mechanically or on your radio. If the elevator is still touchy start with 10% expo and go from there.
                  I thought I did my best at 30% exponential with the elevator set on low rates to only about 3/8 of and inch and it will do a tight loop on high rates at 3/4 inch I ll never use it , so coming in for a landing its just to unstable up and down on the nose end so I figure maybe I need more exponential., what do you think more or less expo?

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                  • #10
                    Originally posted by rifleman_btx View Post
                    I'm a big fan of expo, I run 40 to 45% on everything
                    you may have a point because my 540 edge recommends at low rates 50% EXPO and high rates 70% EXPO on the barn door ailerons and elevator

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                    • #11
                      Originally posted by F22 View Post

                      I thought I did my best at 30% exponential with the elevator set on low rates to only about 3/8 of and inch and it will do a tight loop on high rates at 3/4 inch I ll never use it , so coming in for a landing its just to unstable up and down on the nose end so I figure maybe I need more exponential., what do you think more or less expo?
                      That's what I say it's a preference thing and also some planes need more expo than others. I use 30- 35 % expo on most of my planes but my FMS Corsair needs 45% expo on the elevator or it likes to porpise. Try adding 40% expo and see how it is. Now I know some people will say they hate expo but I say whatever works for you and gives you a more enjoyable flying experience go for it. Good flying!

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                      • #12
                        Originally posted by boomer108 View Post

                        That's what I say it's a preference thing and also some planes need more expo than others. I use 30- 35 % expo on most of my planes but my FMS Corsair needs 45% expo on the elevator or it likes to porpise. Try adding 40% expo and see how it is. Now I know some people will say they hate expo but I say whatever works for you and gives you a more enjoyable flying experience go for it. Good flying!
                        YES THAT IS JUST WHAT i'M DOING , BUT i HAVE TRIED IT MY PLANE Herschel AT 40% EXPO AND ITS ALL OVER AT LANDINGS, SO iM GOING UP P TO 55% expo
                        NOW HERE'S THE KICKER i I have other slower more stable planes that fly perfect snap roll land and go inverted with no 0 Exponential so go figure.
                        Last edited by F22; Aug 29th, 2018, 07:23 PM. Reason: SPELLING

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                        • #13
                          Originally posted by F22 View Post

                          YES THAT IS JUST WHAT i'M DOING , BUT i HAVE TRIED IT MY PLANE Herschel AT 40% EXPO AND ITS ALL OVER AT LANDINGS, SO iM GOING UP P TO 55% expo
                          NOW HERE'S THE KICKER i I have other slower more stable planes that fly perfect snap roll land and go inverted with no 0 Exponential so go figure.
                          I wish I had some experience with that plane I might be of more help to you. When you say it's all over the place do you mean it's porpoiseing or you can't keep the wings level or both?

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                          • #14
                            Originally posted by F22 View Post
                            FMS bi plane if I come in for landings on low rates because its purposes up and down and very hard to land. I did give the elevator more exponential, should I give it even more like 50% or none at all.
                            Sounds tail-heavy. If CG is wrong, nothing else you try will work.
                            FF gliders and rubber power since 1966, CL 1970-1990, RC since 1975.

                            current planes from 1/2 oz to 22 lbs

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