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Speaking of Nose Gear

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agibeaut

Joined: 21 Mar 2007
Posts: 64

Posted: Tue Mar 31, 2009 5:11 pm Post subject: Speaking of Nose Gear

I am really struggling with the friction level of my nose strut on my 701. It just seems too tight even after trimming a couple of times. Top bearing alone is fine, and the friction levels rise after I tighten lower bearing bolts. Is there some comparative advice anyone can give me?



Art Gibeaut

Erie, IL

CH 701

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NYTerminat(at)aol.com
Guest

Posted: Tue Mar 31, 2009 6:34 pm Post subject: Speaking of Nose Gear

Art,

 We have all been there, put a small amount of oil on it and go fly. It will  loosen up on it's own after some use. It is moved by your feet which have a lot  of strength and when in the air it will be easier to move than on the ground. By  the time you fly off your hours it will be fine.

  

 Bob Spudis N701ZX / 174 hrs

  

  

 In a message dated 3/31/2009 9:15:32 P.M. Eastern Daylight Time,  aagibeaut(at)yahoo.com writes:

  	  Quote: 	
		  I am    really struggling with the friction level of my nose strut on my 701. It just    seems too tight even after trimming a couple of times. Top bearing alone is    fine, and the friction levels rise after I tighten lower bearing bolts. Is    there some comparative advice anyone can give me?



Art Gibeaut

Erie,    IL

CH 701

	


 

  

 A Good Credit Score is 7001372437/aol?redir=http:%2F%2Fwww.freecreditreport.com%2Fpm%2Fdefault.aspx%3Fsc%3D668072%26hmpgID%3D62%26bcd%3DfebemailfooterNO62"> See yours in just 2 easy steps!

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lgold(at)quantum-associat
Guest

Posted: Tue Mar 31, 2009 9:03 pm Post subject: Speaking of Nose Gear

Art's comment got me thinking (a rear event). I was told that the plane with

the nose gear that collapsed used the 1080 heavy duty bungee on it (this is

heavier than the normal "1080"). Does Zenith ship the kit with the normal

strength or the heady duty bungee? Could a heavy duty bungee have

contributed to the gear failure?

Les



--

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larry(at)macsmachine.com
Guest

Posted: Wed Apr 01, 2009 6:36 am Post subject: Speaking of Nose Gear

Hi Art,

Having the nylon bushing, I assume you've got a tight fit there, but if 

it slides at all, it should wear in better if that's all the contact 

friction is about.

If you've metal dragging on any of  the strut surface, you'd best clear 

that part with some emery cloth or a round file. Perhaps the bearing is 

being

brought out of parallel with the diameter of the strut when it's 

tightened down and that would also cause increased friction.

Use some ink marker on the strut and see where the most marker collects 

on the bearing and near surfaces. Also check the strut for shine and

ink removed to check where the rub is concentrated.

If the action is smooth, the friction is not a problem as it will ease 

up eventually providing a good bearing alignment. Better than being loose.



Larry McFarland 601HDS at www.macsmachine.com



agibeaut wrote:

 	  Quote: 	
		   



 I am really struggling with the friction level of my nose strut on my 701. It just seems too tight even after trimming a couple of times. Top bearing alone is fine, and the friction levels rise after I tighten lower bearing bolts. Is there some comparative advice anyone can give me?



 Art Gibeaut

 Erie, IL

 CH 701





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n85ae

Joined: 14 Mar 2007
Posts: 403

Posted: Fri Apr 03, 2009 6:03 am Post subject: Re: Speaking of Nose Gear

On my CH801, I noticed a high amount of friction with the nose gear when

all the parts are bolted together. What I eventually discovered is that when

everything is installed the lower bearing plate is not quite at 90 degrees

to the gear leg. So when you tighten everything the bearing is not quite

aligned right. The fix in my case is to resurface the bottom of the bearing

slightly to correct the alignment on the shaft. It is a slight amount (about

.020) but enough to make the gear leg really tight. It is probably that the

lower plate is not bent quite enough. An easy fix, but also easy to miss.



Hope this helps.



Regards,

Jeff

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