[NSRCA-discussion] Pull-pull setups

[Ron Van Putte]

Excuse me, but I like neat and that installation is NEAT.  What an  
innovative and functional installation!  Thanks for sharing.

Ron Van Putte

On Jan 23, 2008, at 9:16 PM, J N Hiller wrote:

> Ops I didn’t reduce the photo enough. This one should make it.
>
> Here is another small photo showing the inside of the fuselage.  If  
> you would like I can send full resolution photos off list. They are  
> about 1800K.
>
> Jim Hiller
>
>
>
> -----Original Message-----
> From: nsrca-discussion-bounces at lists.nsrca.org [mailto:nsrca- 
> discussion-bounces at lists.nsrca.org]On Behalf Of Pete Cosky
> Sent: Wednesday, January 23, 2008 5:19 PM
> To: 'NSRCA Mailing List'
> Subject: Re: [NSRCA-discussion] Pull-pull setups
>
>
>
> Jim,
>
>
>
> I'd like to see some pictures of your setup as it sounds like a  
> fantastic idea.
>
>
>
> Pete
>
>
>
> From: nsrca-discussion-bounces at lists.nsrca.org [mailto:nsrca- 
> discussion-bounces at lists.nsrca.org] On Behalf Of J N Hiller
> Sent: Wednesday, January 23, 2008 8:05 PM
> To: NSRCA Mailing List
> Subject: Re: [NSRCA-discussion] Pull-pull setups
>
> John, I can’t comment on Kevlar. I have only used steel (.021” Sig  
> control line cable). I also use internal bell cranks to eliminate  
> cable tension load on the servo mount rubber grommets and shaft.  
> This way I can run the cables quite snug. Short ball link  
> connectors connect the bell cranks to the servo.  By using  
> different holes in the servo wheel or bell crank I can use the full  
> servo travel, and reduce the control surface travel without  
> resorting to non-parallel linkage or transmitter endpoint and  
> accompanying resolution reduction.
>
> I haven’t been totally happy using dual elevator servos so I cable  
> them as well, connecting all 4 cables to a single bell crank. It is  
> quite easy to balance the travel, center and end-points by  
> adjusting the threaded control horn and cable length. When I  
> started doing this it yielded the tightest system I ever used.
>
> For what it is worth.
>
> Jim Hiller
>
>
>
> -----Original Message-----
> From: nsrca-discussion-bounces at lists.nsrca.org [mailto:nsrca- 
> discussion-bounces at lists.nsrca.org]On Behalf Of John Pavlick
> Sent: Wednesday, January 23, 2008 4:38 PM
> To: NSRCA Discussion
> Subject: [NSRCA-discussion] Pull-pull setups
>
>
>
> I'd like to hear the pros and cons of Kevlar vs. steel pull-pull  
> cables. Also any tips on installing either of them. I've done a few  
> steel setups but I haven't installed a Kevlar one yet. how long  
> does Kevlar last?
>
>
>
> John Pavlick
> http://www.idseng.com
>
> <128-2879_IMGb.JPG>
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