[SPAM] Re: Re: Pull-Pull servos

[Rcmaster199 at aol.com]

Wow that's alot of re-building but, Good point! The amount of flying is  
quite a bit different probably. I fly about 150 flights a year or around 15  
gallons give or take 2 or 3. If you fly much more than that, I can see more wear  
and tear. 
 
Still, I flew Alliance for 3 seasons and then took her down for refinish.  
The rudder servo (and elvtr also) feels solid tho, and has not been re-built.  
Doesn't really need it. Don't understand Why your throttle servo is taking a  
beating. 
 
Maybe electrics are better answer. (sigh!)
 
MattK
 
In a message dated 11/30/2004 10:37:50 PM Eastern Standard Time,  
jivey61 at bellsouth.net writes:

Matt
Thanks for the input. At the present amount I am flying I am  rebuilding 
servos once a year and purchasing a new set once a year,to install  just before 
the Nats. This includes the throttle servo as it takes a beating  also.Some fly 
more than this and rebuild more than this.

Jim  Ivey
> 
> From: Rcmaster199 at aol.com
> Date: 2004/11/30 Tue  PM 08:28:10 EST
> To: discussion at nsrca.org
> Subject: Re:  Pull-Pull servos
> 
>  
> Hi Jim, the horn on the  rudder should be as long as you can bare that  
will 
> result in  minimal slack cable syndrome. I normally use a 3" long 6-32  
bolt,  
> and bend it slightly to place the horns on the hinge line. On the  kits  
I've 
> built, I typically discard the stock rudder and build  a lighter version. I 
 shoot 
> for a finished weight around 45  grams or less for this size rudder. I  
keep 
> the cables snug but  not too tight. NOT like a guitar string. I have  yet 
to 
> change  gears on a rudder servo or have parts come loose. And rudder  
centering  is 
> fine.
>  
> Matt
>  
> In a  message dated 11/30/2004 6:44:50 PM Eastern Standard Time,  
>  jivey61 at bellsouth.net writes:
> 
> Guys
> Another discussion  about pull-pull systems. I use pull-pull on  the rudder 
> and  compared to the elevator servo the rudder servo gets worn and  loose 
at  the 
> top bearing much quicker than the elevator servo.The cables  are  not too 
tight 
> and are setup correctly so far as ackerman is  concerned.The  rudder being 
> much bigger than the elevators may  cause some of this problem.  More 
momentum...
> I have used the JR  top post brace before, but it can't be  used with the 
> 8411's  without some mods.
> Any input or  solutions?
> 
>  TIA
> 
> Jim Ivey




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