[NSRCA-discussion] Rudder servo arm

Earl Haury ejhaury at comcast.net
Tue Apr 6 06:02:23 AKDT 2010


A nice arm can be made from CST 0.040" carbon plate and bolted to a stock arm / wheel. Any size you want and lite. Also good for the rudder horn - make a one piece horn & fit through the rudder in a slot.

Earl
  ----- Original Message ----- 
  From: Derek Koopowitz 
  To: 'General pattern discussion' 
  Sent: Tuesday, April 06, 2010 8:58 AM
  Subject: Re: [NSRCA-discussion] Rudder servo arm


  Thanks Verne.  I'm using the extra large black wheel now but unfortunately it doesn't give me enough throw.

   

  From: nsrca-discussion-bounces at lists.nsrca.org [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Verne Koester
  Sent: Monday, April 05, 2010 9:04 PM
  To: 'General pattern discussion'
  Subject: Re: [NSRCA-discussion] Rudder servo arm

   

  Derek,

  I always found that the extra large, round black servo wheel that comes with Futaba servos would give me 35+ degrees of throw. For JR servos, I cut a round phenolic disk and screw it to the top of their round servo horn to make it the same size as the big Futaba horn. As I recall, the large Futaba horn is approximately 2" od.

   

  Verne

   

  From: nsrca-discussion-bounces at lists.nsrca.org [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Derek Koopowitz
  Sent: Monday, April 05, 2010 6:18 PM
  To: General pattern discussion
  Subject: [NSRCA-discussion] Rudder servo arm

   

  Does anyone have a preference as to which servo arm one should use to enhance the throw for rudder?  I've seen different types - some that are made out of PCB material and bolted/screwed to a round servo wheel so that the arm is about 2" - 2 1/2" long... I've also seen the metal ones that replace the servo wheel/arm that comes with the servo.

   

  BTW, these need to be for Futaba... and should weigh as little as possible.



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