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  #1  
Old 12-03-2012, 11:54 PM
Michael Burbidge Michael Burbidge is offline
 
Join Date: May 2006
Location: Sammamish, WA
Posts: 697
Default RV-9A Michael Burbidge

Tonight I finished fitting the cowl. All the hinge wires went in without too much trouble. The fit is pretty good. On the top cowl, right side the cowl to fuselage gap is larger than I would have liked. It's about 1/16". The left side is much closer fit and looks nicer. Overall I'm pleased. I don't know how many times I took the cowl on and off to get the fit right. I got very good at doing it myself.

This feels like a huge milestone. Bigger than almost anything else I've completed. I'm not sure why that is. But it just feels like I can see light at the end of the tunnel. It's probably just a flashlight.

I'm getting excited!

Here's a couple of pictures. I bought the hinge wire with the welded clip from Vans. Very nice and worth the $26.



And the clip.

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RV-14A Wings
RV-9A Flying 390 hours!
Last Donation: December 2020
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  #2  
Old 12-04-2012, 12:26 AM
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Vlad Vlad is offline
 
Join Date: Oct 2008
Location: Utah
Posts: 8,440
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You got good fit Michael. Nice very nice. It will get easier from this point.
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  #3  
Old 12-04-2012, 03:04 AM
Alex_K Alex_K is offline
 
Join Date: Aug 2010
Location: Moscow, Russia
Posts: 44
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Nice work! I'd suggested you to make a little gap ( approx 2/32" )between both cowls and fuselage for easier installation after painting.
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  #4  
Old 12-04-2012, 06:55 AM
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Captain_John Captain_John is offline
 
Join Date: Jan 2005
Location: KPYM
Posts: 2,695
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Michael,

Looking great! I am right there with you bruthah!

I am epoxying fasteners as we speak!

Serious MVP (Major Visual Progress)!!!

CJ
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  #5  
Old 12-04-2012, 08:04 AM
terrykohler terrykohler is offline
 
Join Date: Jan 2005
Posts: 1,044
Default You're Going to Need That 1/16" Gap - On Both Sides

As mentioned above, it's difficult to fit together two surfaces with zero tolerance. More importantly, two painted surfaces vibrating against each other will result in chips and perhaps worse. I sent a very tight fitting cowl to my painter. He "fixed" it by using a piece of hacksaw blade and working it along the seam to create a uniform gap before painting. Still looks good after 7 years/800 hours.
Terry, CFI
RV9A N323TP
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  #6  
Old 12-04-2012, 08:17 AM
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mculver mculver is offline
 
Join Date: Dec 2008
Location: Redmond, WA
Posts: 269
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Wow -- you are rocking along!
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  #7  
Old 12-04-2012, 08:21 AM
Alex_K Alex_K is offline
 
Join Date: Aug 2010
Location: Moscow, Russia
Posts: 44
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Quote:
Originally Posted by terrykohler View Post
He "fixed" it by using a piece of hacksaw blade
Yes, I used exactly the same tool to make a gap before painting.
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  #8  
Old 12-04-2012, 08:53 AM
Michael Burbidge Michael Burbidge is offline
 
Join Date: May 2006
Location: Sammamish, WA
Posts: 697
Default Gap

It seems like it would be easy to nick the hinge with a hack saw. No?

Thanks for the reccommendations about the gap.

Michael
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  #9  
Old 12-04-2012, 10:02 AM
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flyboy1963 flyboy1963 is offline
 
Join Date: Oct 2008
Location: Lake Country, B.C. Canada
Posts: 2,434
Default ...on the 'wish list'

no, not a wish list for Santa, but every time I do my preflight, i REALLY wish I had an 'oil door' on the OTHER side of the cowl.
yeah, I know...NOBODY has this, right?
well, I really hate having to peer into that black hole thru the oil door, and pretend that I know my engine is ok.
or.....what if you wanted to charge the battery?
.....cowling has to come off.
jump start?
.....cowling off?, no, wait, that doesn't help!

I suppose it really depends on what accessories you have on the 'other' side, but anyway, just my two cents worth.
......hate not being able to flip a latch, and expose the entire engine.

end of rant. Your pink lady is looking mighty nice!
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  #10  
Old 12-04-2012, 10:10 AM
Alex_K Alex_K is offline
 
Join Date: Aug 2010
Location: Moscow, Russia
Posts: 44
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Quote:
Originally Posted by Michael Burbidge View Post
It seems like it would be easy to nick the hinge with a hack saw. No?

Thanks for the reccommendations about the gap.

Michael
I scratched the gap between two cowls and between cowls and fuselage by a piece of hacksaw while the cowls were installed like on your picture. The gap thicknes = the thickness of hacksaw. So, I've never had inconveniences with removing/ installing painted cowls before a flight day.
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