Hi Rob, Is it possible to quantify somehow the tightness of the turnbuckles? Just making the experiments is problematic because of the need of taking out the fuel tank.☺️ It would be good some objective measurement.
BR Gyozo Az iPhone-omról küldve > 2020. szept. 21. dátummal, 10:09 időpontban Rob Thompson > <[email protected]> írta: > > > If there is not much movement in the bearings, my suspicion is that the tail > wheel spring turnbuckles are not tight enough. > If the tailwheel spring turnbuckles are too tight you get VERY immediate > response on the rudders on the ground. > If they are too loose you get a "waffling" "inconclusive" response to rudder > input. This can lead to shimmy. > > regards > Rob > > Rob Thompson > 0429 493 828 > > >> On Mon, Sep 21, 2020 at 6:01 PM Győző Horváth <[email protected]> >> wrote: >> Hi Rob, >> >> Thanks for your advice. >> We checked the shaft. >> There is a tiny movement of the shaft. >> Is there any acceptable limit (if yes, how it should be measured) or no >> movement is required? >> >> BR >> Gyozo >> >>> 2020. szept. 20. dátummal, 8:45 időpontban Rob Thompson >>> <[email protected]> írta: >>> >>> >>> If your cables are properly adjusted, it is likely that the bearings on the >>> tailwheel shaft are a bit worn or the nut on the top of the shaft is not >>> tight enough. >>> Lift up the tail and check to see if there is any movement up and down or >>> side to side. >>> A small amount of forward pressure on the stick stops the shimmy. >>> >>> >>> regards >>> Rob >>> >>> Rob Thompson >>> 0429 493 828 >>> >>> >>> >>>> On Sun, Sep 20, 2020 at 3:42 PM Győző Horváth <[email protected]> >>>> wrote: >>>> Hi, >>>> >>>> I often experience shimmy of the rear gear when I operate on concrete. It >>>> is linked to a certain speed during acceleration for take off and after >>>> landing as well. >>>> Springs and cables seem to be OK. Tyre is not worn. Pressure is OK. It >>>> happens on international airports with good quality asphalt as well. >>>> Does anybody of you have such experience? Why is it not allways, just >>>> often? >>>> How can I avoid it? How dangeruos it is to the glassfiber material of the >>>> tail. >>>> With many thanks and best regards >>>> Gyozo >>>> >>>> >>>> >>>> >>>> >>>> >>>> >>>> --------------------------------------------------------------------- >>>> You are subscribed to the Dimona Owners Group mailing list. >>>> This list is archived in public. http://waikeriegliding.com/dog/ >>>> To unsubscribe, send email to: [email protected] >>>>
