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Trim Mount Bolt - Rudder Cable Interference

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tinnemaha(at)hotmail.com
Guest

Posted: Sun Dec 17, 2006 7:41 am Post subject: Trim Mount Bolt - Rudder Cable Interference

I just completed a series 5 taildragger with Lycoming.  The DAR who 

inspected my airplane the other day (I have my airworthiness certificate 

now!) made what I consider to be a very good catch.  May or may not apply to 

others here.  The right rudder cable was rubbing against the nut end of the 

bolt that mounts the trim motor to the fuselage.    He told me to turn the 

bolt around to eliminate the interference.  I did what he said & the 

interference is now gone.  THANK YOU, Mr D.A.R.!



Although I'm very glad he caught that, I don't really know what to make of 

this.  On the one hand, I feel like he might have saved my life, but on the 

other hand there are probably hundreds of Kitfoxes that have been flying for 

years with this same condition [I checked the plans & the way it was 

originally (cable rubbing on bolt) was per the skystar instructions for both 

Series 5 & Series 6.]

Did I miss a service bulletin, or is this a non-issue?



Sorry if this is a worn out topic: I couldn't find anything in the archives, 

but maybe I didn't use the right search string.



Grant Krueger



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lcfitt(at)sbcglobal.net
Guest

Posted: Sun Dec 17, 2006 8:30 am Post subject: Trim Mount Bolt - Rudder Cable Interference

Grant,



 Congratulations on the Certificate and the good eyes of the DAR.



This brings to mind the data base I have collected on the flying Kitfoxes. 

I will add you to the list and anyone else out there not on the list yet, 

drop a note.  Other data on the list is exact engine designation, third 

wheel configuration, location and anything else particular to your airplane.



Also I would suggest that anyone building drop a note also as there is 

plenty of room in the spreadsheet.  It's just nice to see what we all are 

doing.



Lowell



---

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smokey_bear_40220(at)yaho
Guest

Posted: Tue Dec 19, 2006 11:15 am Post subject: Trim Mount Bolt - Rudder Cable Interference

There actually are a lot of those little got-shus on

the KitFox.  The plans catch most, but not all and you

can miss one and just put a bolt in backwards and have

a problem.  It could take years to show up or show up

quickly.



The flight control linkage under the seat is an

example.  Bolts are supposed to be installed pointing

down in case the nut falls off.  But there is one that

will hit the structure if not installed pointing up. 

In fact, it has to have a thin head to clear.



Another is in the elevator push tube in back of the

seat.  Needs to be installed so it doesn't hit an

upright tube.



I was once, and only once, yelled at for writing up a

bolt installed backwards on a DC-8 nose gear link. 

Delayed the flight and cost over $100,000.  The plane

had flown that way before, so I was wrong.... until

the maintenance manager returned with the pages that

described that it would break off the "down and

locked" switch, if it was in backwards.  Just hadn't

broken the switch before I caught it.



I put pipe clamp bands on 4 of my engine hoses to keep

them from wearing against other parts.  Just things

you have to look for and "what if" as you build.



So you are not alone and it is not just our Fox's.



Kurt S.



--- Tinne maha <tinnemaha(at)hotmail.com> wrote:



 	  Quote: 	
		   Hi Lowell,

 ......................

 I don't know whether to rate this as a major or

 minor concern.  At first I 

 thought it was major & I guess it still could be. 

 However, as I haven't 

 found any evidence of there being a previous

 discussion on the topic, I 

 would deduce most kitfoxes are flying this way (&

 have been for years), so 

 it obviously isn't a problem.  Did you deal with

 this on your airplane?

 

 Grant


	


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