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[Bulk] Re: lower cowl attach alternatives

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pitts_pilot(at)bellsouth.
Guest

Posted: Wed Sep 15, 2010 6:23 pm Post subject: [Bulk] Re: lower cowl attach alternatives

Which makes me ask .... why not use an aluminum angle and rivet to the 

firewall as well as the bottom skin??

I don't plan on using the hinge in that area either .... just don't know 

how I'm going to do it yet.  I do plan on using countersunk screws and 

tinnerman washers in that area.

Linn



Linn



On 9/15/2010 8:53 PM, Strasnuts wrote:

 	  Quote: 	
		   



 Here is what I did.  I replaced the rivets with AN426-4-5 rivets instead of the An426-3's that were there initially.



 --------

 Cust. #40936

 RV-10 SB Fuselage

 N801VR reserved





 Read this topic online here:



 http://forums.matronics.com/viewtopic.php?p=312569#312569





 Attachments:



 http://forums.matronics.com//files/cowl_attach2_185.jpg

 http://forums.matronics.com//files/cowl_attach1_163.jpg

 http://forums.matronics.com//files/cowl_attach_158.jpg

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Tim Olson

Joined: 25 Jan 2007
Posts: 2879

Posted: Wed Sep 15, 2010 6:48 pm Post subject: [Bulk] Re: lower cowl attach alternatives

It's just overkill.  That metal plate doesn't move hardly at all...

and you really don't need more than that.

Tim Olson - RV-10 N104CD

do not archive

On 9/15/2010 9:16 PM, Linn Walters wrote:

 	  Quote: 	

 Which makes me ask .... why not use an aluminum angle and rivet to the

 firewall as well as the bottom skin??

 I don't plan on using the hinge in that area either .... just don't know

 how I'm going to do it yet. I do plan on using countersunk screws and

 tinnerman washers in that area.

 Linn

 Linn

 On 9/15/2010 8:53 PM, Strasnuts wrote:

> 

>

> Here is what I did. I replaced the rivets with AN426-4-5 rivets

> instead of the An426-3's that were there initially.

>

> --------

> Cust. #40936

> RV-10 SB Fuselage

> N801VR reserved

>

>

> Read this topic online here:

>

> http://forums.matronics.com/viewtopic.php?p=312569#312569

>

>

> Attachments:

>

> http://forums.matronics.com//files/cowl_attach2_185.jpg

> http://forums.matronics.com//files/cowl_attach1_163.jpg

> http://forums.matronics.com//files/cowl_attach_158.jpg

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Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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MauleDriver(at)nc.rr.com
Guest

Posted: Wed Sep 15, 2010 8:41 pm Post subject: [Bulk] Re: lower cowl attach alternatives

As I recall, the angle between firewall, skin and cowling is not quite 

90 degreee.   Close but not quite.  The plate aligns with  the skin and 

cowling making a flusht joint.  A piece of 90 degree angle stock won't 

quite make a flush joint.

An angle fabricated from flat stock like Dave Saylor seems to have done 

would work.  If I get cracking (when flying...) I'll probably go with that.

But I'm doing this from memory and may be completely wrong.  But the 

plate seemed perfect when I did it.

Bill "still finishing FG parts" Watson

 	  Quote: 	

 It's just overkill.  That metal plate doesn't move hardly at all...

 and you really don't need more than that.

 Tim Olson - RV-10 N104CD

 do not archive

 On 9/15/2010 9:16 PM, Linn Walters wrote:

> 

> <pitts_pilot(at)bellsouth.net>

>

> Which makes me ask .... why not use an aluminum angle and rivet to the

> firewall as well as the bottom skin??

> I don't plan on using the hinge in that area either .... just don't know

> how I'm going to do it yet. I do plan on using countersunk screws and

> tinnerman washers in that area.

> Linn

>

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