Jim Timm
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  • Tempe, AZ
  • United States
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601XL Cable Tension Requirements

Started this discussion. Last reply by Phill Barnes Jul 29, 2009. 5 Replies

 

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Stephen C. Martin and Jim Timm are now friends
Apr 24, 2009
Jim Timm posted a discussion

601XL Cable Tension Requirements

I can certainly understand the need to maintain the proper/specified cable tensions in the various control systems to reduce the possibility of flutter. The only spec. requirement that bothers me is for the Rudder Cable system. I own and fly a tail dragger version of the XL and there really isn't much of a way to control this cable system tension. The right and left pedals are independently connected directly to the rudder and are not interconnected. Tension can vary from very light in normal…See More
Apr 19, 2009
Jim Timm is now a member of Zenith Aircraft Builders and Flyers
Apr 19, 2009

Profile Information

Aircraft Model
ZODIAC XL
Project Status
Flying
Building From
Kit
Engine installed (or plan to install)
Jabiru
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Have worked on airplanes before
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Commercial / CFI
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Retired Aerospace Engineer
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KFFZ

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At 6:17pm on April 20, 2009, Phill Barnes said…
Hi Jim
Given your professional background, what is your personal impression of all of this. Have you experienced any flutter with your aircraft and have your cables always been tensioned to Zeniths specs? Do you think that the wing rib that supports the bellcrank is adequetly stiffened to keep constant tension on the cables?

My aircraft is also a quickbuild but with a 650 canopy. I to have used the Jab 3300 engine, as it is manufactured 1&1/2 hours north of my home, I thought it would be the best choice. I also have the Jab USA FWF kit with the ground adjustable prop.
Check out my webpage


Regards
Phill Barnes
At 11:35pm on April 19, 2009, Phill Barnes said…
Hi Jim
Thanks for your response.
The wing tip and mass balance weights are youtube videos and were posted as links below the pushrod pics but here they are again. It is very interesting that Zenith have seen these mods so it is nothing new to them.






Hope this helps

Regards
Phill Barnes
 
 
 

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