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Lube for Bolts and Screws

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wreining(at)gmail.com
Guest

Posted: Fri Apr 20, 2007 10:07 pm Post subject: Lube for Bolts and Screws

We are just at the end of the tailcone assembly, where some nuts and bolts are installed, as well as screws into nutplates.  Should we use any kind of anti-seize or lube on these to protect the threads?  What about tightening torque?  They may be mundane, but we’d appreciate some advice on how it’s done correctly.  

Bill and Jon Reining  

40514 – finishing tail cone  

       [quote][b]

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drfred(at)suddenlinkmail.
Guest

Posted: Sat Apr 21, 2007 5:22 am Post subject: Lube for Bolts and Screws

Bill;



There is a torque table on page 5/13 of your RV 10 builder's manual.  I 

wouldn't use any lube on the threads.  It is also recommended to add the 

"drag" of the nyloc nut to the specified torque. 



Also, remember when putting together the vertical and horizontal 

stabilizer, they will have to come on and off a couple of times.  I went 

to the local aircraft supply house ( Home depot) and picked up a couple 

of boxes of nuts to use for those locations.  That way, I'll save my 

nyloc nuts to final and hopefully painted assembly. 



You should also consider  getting a copy of the " standard aircraft 

handbook"  by Larry Reithmaier.  Has a lot of tables and proper 

construction information. 



Fred Williams

40515

workin on fuselage.

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AirMike

Joined: 27 Feb 2007
Posts: 514
Location: Nevada

Posted: Sat Apr 21, 2007 6:49 am Post subject: Re: Lube for Bolts and Screws

I got a torque wrench from Cleveland tools for about $145 with a 1/4" drive on it. Do the AN3 bolts to about 25 inches. You can get a big torque wrench from harbor freight for $15 but the scale will not be accurate in the lower range. I looked many places for a 1/4" drive, and Cleveland seems to be the best deal. Also order a tube or two of torque seal to mark the bolts that you have torqued. It is not in Cleveland's book but

the do have it - ask. Remember that you are not supposed to use the nylocks 2x. So as suggested get some cheapo nuts to pre-fit the Emp.

Another way that I used is to use a bunch of washers stacked up so that the bolt threads do not penetrate the nylock part of the Van's suppled bolts.

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_________________
See you OSH '18
Q/B - sold.

John Ackerman

Joined: 19 Jun 2006
Posts: 130
Location: Prescott, AZ

Posted: Sat Apr 21, 2007 8:59 am Post subject: Lube for Bolts and Screws

I'm a little confused.

Where is it written that Nylocks must not be reused?

Clearly at _some_ point they need to be replaced, but  I know of no  

source that says removing and replacing once or twice is not acceptable.

(flame shields up - fire away, but this is a genuine request for  

documentable enlightenment)



John Ackerman

40458 QB fuselage



On Apr 21, 2007, at 7:49 AM, AirMike wrote:



 	  Quote: 	
		   



 I got a torque wrench from Cleveland tools for about $145 with a  

 1/4" drive on it. Do the AN3 bolts to about 25 inches. You can get  

 a big torque wrench from harbor freight for $15 but the scale will  

 not be accurate in the lower range. I looked many places for a 1/4"  

 drive, and Cleveland seems to be the best deal. Also order a tube  

 or two of torque seal to mark the bolts that you have torqued. It  

 is not in Cleveland's book but

 the do have it - ask. Remember that you are not supposed to use the  

 nylocks 2x. So as suggested get some cheapo nuts to pre-fit the Emp.

 Another way that I used is to use a bunch of washers stacked up so  

 that the bolt threads do not penetrate the nylock part of the Van's  

 suppled bolts.



 --------

 OSH '08 or Bust





 Read this topic online here:



 http://forums.matronics.com/viewtopic.php?p=108291#108291

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Albert Gardner

Joined: 10 Jan 2006
Posts: 455
Location: Yuma, AZ

Posted: Sat Apr 21, 2007 9:21 am Post subject: Lube for Bolts and Screws

You can also use your castle nuts for trial fits instead of the elastic

locking nuts. Or go to Home Depot and get a few NF nuts and use them.

Albert Gardner

Yuma, AZ



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_________________
RV-9A N872RV
RV-10 N991RV

jjessen

Joined: 22 Apr 2006
Posts: 285
Location: OR

Posted: Sat Apr 21, 2007 9:22 am Post subject: Lube for Bolts and Screws

In addition, I'd like to know just what additional torque force are you

supposed to add to compensate for the locknuts!  What table or paragraph in

Van's book has this information?  



John Jessen

  #40328 



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n8vim(at)arrl.net
Guest

Posted: Sat Apr 21, 2007 9:35 am Post subject: Lube for Bolts and Screws

 	  Quote: 	
		  >I'd like to know just what additional torque force are you

supposed to add to compensate for the locknuts!  What table or paragraph in

Van's book has this information?  	

 It is in AC 43.13 Par. 7-40, section D

  	  Quote: 	
		  >Where is it written that Nylocks must not be reused? 	
 It isn't. In AC 43.13 Par. 7-64, section F "Do not use nylon locknut if it cannot meet the minimum prevaling torque values; See table 7-2"

 -Jim 40384

 John Jessen wrote:

 [quote]   [quote]--> RV10-List message posted by: "John Jessen" <jjessen(at)rcn.com> (jjessen(at)rcn.com)  In addition, I'd like to know just what additional torque force are you supposed to add to compensate for the locknuts!  What table or paragraph in Van's book has this information?    John Jessen   #40328   --

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jjessen

Joined: 22 Apr 2006
Posts: 285
Location: OR

Posted: Sat Apr 21, 2007 1:49 pm Post subject: Lube for Bolts and Screws

Thanks!  Love this list.  

 John J.

 do not archive

   From: owner-rv10-list-server(at)matronics.com  [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of James  Hein

Sent: Saturday, April 21, 2007 1:35 PM

To:  rv10-list(at)matronics.com

Subject: Re: Re: Lube for Bolts and  Screws

 	  Quote: 	
		  >I'd like to know just what additional torque force are you

supposed to add to compensate for the locknuts!  What table or paragraph in

Van's book has this information?  	

It is in AC 43.13 Par. 7-40,  section D

 	  Quote: 	
		  >Where is it written that Nylocks must not be reused? 	
It  isn't. In AC 43.13 Par. 7-64, section F "Do not use nylon locknut if it cannot  meet the minimum prevaling torque values; See table 7-2"

-Jim  40384

John Jessen wrote:

 [quote][quote]--> RV10-List message posted by: "John Jessen" <jjessen(at)rcn.com> (jjessen(at)rcn.com)  In addition, I'd like to know just what additional torque force are you supposed to add to compensate for the locknuts!  What table or paragraph in Van's book has this information?    John Jessen   #40328   --

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