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Cowling hinges

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2thman(at)cablespeed.com
Guest

Posted: Tue Apr 15, 2008 5:38 am Post subject: Cowling hinges

John Testement wrote: I am really having a hard time getting the cowling

hinges to go in. I believe some eyelets may have been bent a little out of

alignment during paint prep. I would like to hear what others have done to

realign the hinges and get hinge pins to go in more easily.



The horse is out of the barn, so I'm sorry not to be able to help you easily

solve the problem unless you're willing to replace the hinges, but I think

this is one more reason to use Carbinge graphite hinges rather than the

aluminum.  You can't ding them or bend the eyelets.

Regards,



John Barrett, CEO

Leading Edge Composites

PO Box 428

Port Hadlock, WA 98339

www.carbinge.com

  

Checked by AVG. 

9:26 AM

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dennis.glaeser(at)eds.com
Guest

Posted: Tue Apr 15, 2008 8:03 am Post subject: Cowling hinges

--------------------------

John Testement wrote: I am really having a hard time getting the cowling

hinges to go in. I believe some eyelets may have been bent a little out

of alignment during paint prep. I would like to hear what others have

done to realign the hinges and get hinge pins to go in more easily. 

--------------------------



I used my Dremel tool with a ball-end shaped bit about 1/8" dia. and

'dished' the ends of my eyelets.  That made a dramatic improvement for

inserting the pins in my cowl.

If that doesn't help enough, I'd suggest inserting the pins in the cowl

when off the plane - where you can see if any eyelets are out of

alignment, or at least where the pin gets hung up.  



Dennis Glaeser

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rv8a2001(at)yahoo.com
Guest

Posted: Tue Apr 15, 2008 8:03 am Post subject: Cowling hinges

Vans sells a hinge pin that is slightly undersize, do not used the hinge pin that came with the hinge.



The first time I installed mine they were difficult also. I put a point on the pin then placed it in a drill in a drill and they went right in. After a few hours of flight they will go in and out eaisy.



 

Scott

RV-8a



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jim jewell

Joined: 09 Jan 2006
Posts: 82
Location: Kelowna B.C. Canada

Posted: Tue Apr 15, 2008 8:23 am Post subject: Cowling hinges

Hi John,



I found that squeezing the rivets during installation distorted the hinge 

eyelets enough to make installing the pins very difficult.



My solution as follows:



Tools;  A small light ball peen hammer and a 1/8th" or  3/16th" drift pin 

punch.



The pins on mine are installed from the rear on my 6-A. this meant that I 

had to stand the taped together cowling halves on their nose. I put them on 

some padding for damage control.



If your pins install from the front you will need some saw horses and a 

short stool. A helper to keep the cowling from slipping off the sawhorses 

will likely be needed as well.



Assemble the two cowling halves with masking tape insert the pins in as far 

as they will easily go. look closely at the eyelets that the point where the 

pin jams.

Using the punch and hammer and only as much force as is needed gently tap 

the offending eyelet into alignment.

Push the pin in to the next jamb point repeat this process until the hinge 

pin again moves easily enough. Then move on again.



I first tried to do this without the drift punch and found the punch offered 

much better control.



Since doing this procedure the pins install bare handed with out struggle 

and there are no visible signs of stress in any of the eyelets or on the 

pins.

I only have 50 hours on GIIG so its a bit early to see such stresses anyhow.



I hope this helps,



Jim in Kelowna



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Mark Phillips in TN

Joined: 10 Jan 2006
Posts: 431
Location: Columbia, TN

Posted: Tue Apr 15, 2008 7:38 pm Post subject: Cowling hinges

In a message dated 04/15/2008 8:40:17 AM Central Daylight Time, 2thman(at)cablespeed.com writes:

  	  Quote: 	
		  John Testement wrote: I am really having a hard time getting the cowling

hinges to go in. I believe some eyelets may have been bent a little out of

alignment during paint prep. I would like to hear what others have done to

realign the hinges and get hinge pins to go in more easily. 	


 >>>

  

 Aluminum hinge eyes can be easily bent back into alignment- if the pin easily slides through both halves of the cowling individually, then what you have is something preventing the eyes from each hinge half from aligning.  Carefully look for anything between each eye that may prevent this- one telltale is a dark spot where the opposite hinge half is rubbing on the other part.

  

 From The PossumWorks in TN

 Mark Phillips, RV-6A "Mojo" almost 500 hours with cowl and wingtips attached with good 'ol aluminum hinge...

 http://websites.expercraft.com/n51pw/



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  [quote][b]

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From The PossumWorks...

2thman(at)cablespeed.com
Guest

Posted: Wed Apr 16, 2008 6:06 am Post subject: Cowling Hinges

John,



I had another thought.  We sell .085" diameter pins.  You might try some of

this material.  These are smaller than the standard aluminum hinge pins and

might go to place easily for you.  If the hinge loosens up over time, you

might be able to go back to the original.



Regards,



John Barrett, CEO

Leading Edge Composites

PO Box 428

Port Hadlock, WA 98339

www.carbinge.com

  

Checked by AVG. 

6:10 PM

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jfogarty(at)tds.net
Guest

Posted: Wed Apr 16, 2008 8:17 am Post subject: Cowling hinges

Mark,  I just want you to know you have some great idea's, I for one  always enjoy reading your post and going to your website.  If you are  building an RV make sure you take the time to visit Mark's website.   Thanks.

  

 Jim

 RV9a

 [quote]   ---

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Mark Phillips in TN

Joined: 10 Jan 2006
Posts: 431
Location: Columbia, TN

Posted: Wed Apr 16, 2008 6:40 pm Post subject: Cowling hinges

(blush)

  

 Thanks Jim, appreciate the compliments.  If we're gonna get better, we gotta stick together, dontchaknow!

  

 Mark - do not archive

 http://websites.expercraft.com/n51pw/



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  [quote][b]

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_________________
From The PossumWorks...

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