[NSRCA-discussion] Which servo?

[george w. kennie]

Jim,
I think I'm still having some rationalizatiion issues. If I program my servos to move slower and train my fingers to speed up their movement at the extremes of stick travel it should produce an output somewhat similar to what expo gives me (not quite exactly). Not that I could, in all probability, learn to do that, but there's lots that I hear other guys say that they can feel that always seems to escape me. Like, I just converted to 2.4 and I hear guys talking how it's so much faster feeling and more connected. Well I can't feel any difference. It certainly works wonderfully, but so did 72 for me. After all, isn't it only converting the frequency of the output signal ? Wavelength propagation speed should be the same, shouldn't it?
I still kinda feel that a two-tenth second, high power servo, with a one micro sec deadband is not going to feel any different to me than a one-tenth second with 10% more expo. I just ain't that smart !!!!!
When I fly something that follows the input command instantly, all I do is over-correct and re-over-correct and twitch all over the sky and if it's too twitchy I ultimately bury it !  The only hope for me in that situation is to go to idle and let go of EVERYTHING !!!!

G.




  ----- Original Message ----- 
  From: James Oddino 
  To: General pattern discussion 
  Sent: Sunday, June 01, 2008 4:44 PM
  Subject: Re: [NSRCA-discussion] Which servo?


  Instead of programming expo try programming in lower servo speed.  I think it will answer your question.  The best servo would be the one that followed the input command instantly.


  Jim O




  On Jun 1, 2008, at 1:21 PM, george w. kennie wrote:

    A light just went off for me .............( I think).   It occurred to me that we spend $130 for a servo with a .06 second transit time and then we program in 60 %  expo. Somehow this seems counter productive. I'm wondering if senility is rearing it's ugly head again.
    For some unexplainable reason this doesn't induce me to go out and buy slow servos. I know I'm going stark-raving mad !!!!!!!!!!!!!!!

    G.
      ----- Original Message -----
      From: kvelez at comcast.net
      To: ron at inweld.com ; General pattern discussion
      Sent: Saturday, May 31, 2008 11:16 PM
      Subject: Re: [NSRCA-discussion] Which servo?


      That is a good selection, I personally use those same servos but I like the DS8417 in the elevator, very good if you like a fast elevator servo.

      Ken

        -------------- Original message -------------- 
        From: "Ron Neeedham" <ron at inweldcorp.com> 

        Hi guys;


        I just purchased my first full sized used pattern plane.  After starting my radio installation, I found that the servos are in various states of wearing out.  I want to replace all servos on control surfaces.  From studying the JR list of servos, it looks like DS8411SA is a good choice for rudder and DS9411SA on elevator and ailerons.  Do you agree?


        I have been flying an Oxalys 50 and truly love that little plane but am anxious to try the real deal.


        Ron Needham





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