RE: [RCSE] Flex cables vs carbon rods

[Laird, Jack E]

Title: RE: [RCSE] Flex cables vs carbon rods



Doug, 
that method is just too cool, great thinking!
Jack 
Laird


  -Original Message-From: Doug Boyd 
  [mailto:[EMAIL PROTECTED]]Sent: Monday, May 08, 2000 7:17 
  AMTo: Jeff Reid; [EMAIL PROTECTED]Subject: RE: [RCSE] 
  Flex cables vs carbon rods
  Jeff et all, 
  I don't use cable rods anymore at all. I prefer to use a 
  carbon tube with a carbon rod running inside. I use the rod inside to move the 
  elevator, and the tube on the outside to move the rudder. They run down the 
  fuse unsupported, and have no flex. They support each other (just like a good 
  relationship) and the setup I use in my Psyko (which is really just a copy of 
  the Windfree, just different span, airfoil, tailgroup, and planform) is 
  lighter than the litesteel pushrods that came with it. You have to tie a short 
  pushrod on the outside of the tube with some kevlar thread and CA, but do it 
  right, and you will be rewarded with light, stiff, and best of all slop free 
  controls.
  BTW, I wish I invented this, but I COPIED IT fair and square 
  from Bob Dodson, who might hav invented it, or copied it, too.
  Doug Boyd 
  -Original Message- From: Jeff 
  Reid [mailto:[EMAIL PROTECTED]] 
  Sent: Sunday, May 07, 2000 11:59 PM To: [EMAIL PROTECTED] Subject: [RCSE] Flex 
  cables vs carbon rods 
  I'll be in the process of replacing one Dubro cable on 
  my Sierra 2.5 glider (bad combination of sticky and 
  excess play). I may consider replacing both 
  Dubro cables with carbon rods. 
  Distance from servo to control horn is about 42.5 
  inches, and it's a straight shot, (viewing down the 
  fuse from the tail end, I can see the servo 
  arms). 
  I've already got the one cable off...worth the effort 
  to remove the second one and replace with the hollow 
  carbon rods? 
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Re: [RCSE] Flex cables vs carbon rods

[Aireze1]

On May 8, 2000 Jeff wrote:

I'll be in the process of replacing one Dubro cable on
my Sierra 2.5 glider (bad combination of sticky and
excess play).  I may consider replacing both Dubro
cables with carbon rods.


Jeff, a trick you might want to try next time the control rods get sloppy, is 
to cut plugs of EPP foam with a hole-saw or pieces of brass tubing. Make 
several sizes to fit inside to the fuselage in 2 to 4 places. Take a dowel 
rod and starting with the smallest plug, push the plug down the fuse from the 
nose. Use progressively larger pieces towards the nose. EPP has several 
advantages over other methods, light weight, the foam stays resilient, and in 
most cases it can be removed simply by pushing it out from the other end. 
Hope this helps, Rich 

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