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  #31  
Old 02-04-2019, 07:50 AM
greghughespdx greghughespdx is offline
 
Join Date: Nov 2011
Location: Aurora, OR
Posts: 617
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Lookin' good!
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Opinions, information and comments are my own unless stated otherwise. They do not represent direction/opinions of my employer.

Building RV-8A since Sept 2014 (N88VX reserved)
Dual AFS 5600, Avidyne IFD 440, Whirlwind 74RV, Superior XPIO-360
VAF build thread - Flickr photo album - Project Facebook page
Hillsboro, OR (EAA 105)

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  #32  
Old 05-18-2019, 03:07 PM
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Tdeman Tdeman is offline
 
Join Date: May 2017
Location: Salem, OR
Posts: 45
Default Keeping it moving

Built a new set of lightweight elevators, and decided to try the original ďsmallĒ rudder. Down the road I may throw my counterbalanced RV-8 Rudder/VS on there, but weíll see how this one does for now!

Lots of measuring and adjusting, but eventually got the emp all lined up and drilled.






Its getting to the point where Iím ready to start closing up the inside of the fuselage. Before doing that and losing access, I decided to test fit the wings to check for any areas that may take rework while I still have access.



Wings in place also made for a good time to fit fuel lines to fuel selector (which has its bracket mounted to the spar rather than a fuselage bulkhead.)







I also designed my panel and wiring harness for the full airplane. With that in mind, I was able to drill holes for wire pass throughs and install all "wire run" hardware. More on that in the next post...
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  #33  
Old 05-18-2019, 06:45 PM
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Vlad Vlad is offline
 
Join Date: Oct 2008
Location: NJ
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Nice bends on fuel lines.
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Не имей сто рублей, а имей сто друзей.
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  #34  
Old 05-19-2019, 07:29 AM
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jcarne jcarne is offline
 
Join Date: Jul 2016
Location: Worland, Wyoming
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Heck ya man, things are looking great!
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RV-7A Emp. done
Wings mostly done
Fuselage almost done
Finish kit arrived
Exempt but gladly paying!
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  #35  
Old 05-19-2019, 05:35 PM
JSOliveira JSOliveira is offline
 
Join Date: Jul 2011
Location: Port Townsend, Washington
Posts: 75
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Progress looks great.

Check with Vans on the advisability of the small rudder. My understanding is that when test flying for spin recovery, the 7 would not reliably recover from a spin with the small rudder. Certainly not as fast as they wanted it too.
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  #36  
Old 05-19-2019, 10:52 PM
greghughespdx greghughespdx is offline
 
Join Date: Nov 2011
Location: Aurora, OR
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Quote:
Originally Posted by JSOliveira View Post
Progress looks great.

Check with Vans on the advisability of the small rudder. My understanding is that when test flying for spin recovery, the 7 would not reliably recover from a spin with the small rudder. Certainly not as fast as they wanted it too.
The rudder was redesigned for the -7, yes. But, I can state with complete confidence that in this particular case he's done the necessary checking and has 100% of the info needed to make a fully-informed and -aware decision for his RV-6 build.

Nice work, T. Looking great! You're going to finish before me! And I need some new fuel lines bent...
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Van's Aircraft - Community, Media, Marketing
Van's web site | Instagram | Facebook
Opinions, information and comments are my own unless stated otherwise. They do not represent direction/opinions of my employer.

Building RV-8A since Sept 2014 (N88VX reserved)
Dual AFS 5600, Avidyne IFD 440, Whirlwind 74RV, Superior XPIO-360
VAF build thread - Flickr photo album - Project Facebook page
Hillsboro, OR (EAA 105)

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  #37  
Old 05-19-2019, 10:56 PM
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Tdeman Tdeman is offline
 
Join Date: May 2017
Location: Salem, OR
Posts: 45
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Quote:
Originally Posted by JSOliveira View Post
Progress looks great.

Check with Vans on the advisability of the small rudder. My understanding is that when test flying for spin recovery, the 7 would not reliably recover from a spin with the small rudder. Certainly not as fast as they wanted it too.
Thanks!

One thing to note, is this is actually an RV-6. (Never figured out a good way to change the thread title after the project changed directions.) There are probably more examples of this rudder flying on this airplane than any other experimental aircraft out there (until those 7 builders catch up!) I don't plan to spin the aircraft intentionally.

After a few years of flying when/if I decide to go to a constant speed prop, I'll likely throw on the -8 rudder and VS. Until then, I'll enjoy the reduced weight that far aft, and the 5 knots higher cruise speed from the small rudder
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  #38  
Old 05-20-2019, 10:07 AM
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Mark33 Mark33 is offline
 
Join Date: May 2010
Location: Baton Rouge, La.
Posts: 696
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Quote:
Originally Posted by Tdeman View Post
Thanks!

One thing to note, is this is actually an RV-6. (Never figured out a good way to change the thread title after the project changed directions.) There are probably more examples of this rudder flying on this airplane than any other experimental aircraft out there (until those 7 builders catch up!) I don't plan to spin the aircraft intentionally.

After a few years of flying when/if I decide to go to a constant speed prop, I'll likely throw on the -8 rudder and VS. Until then, I'll enjoy the reduced weight that far aft, and the 5 knots higher cruise speed from the small rudder
I was wondering the same thing.... is this a -6 or a -7 project? Like you said, thereís a lot of short tails (basically RV-4 tails) flying on -6ís out there. Iím building a -7, however, Iím installing an 8 rudder.

Iíve read up on why Vans decided use the 9 rudder on the 7, but there sure are a lot of 6ís out there that appear to be flying just fine with -4 rudders. So this brings me to the question....are there any real (enough) differences in the 6 and 7 that would require/compel a person to build a 7 with the larger VS/rudder?

I understand that the larger flight surfaces will give you greater authority,...but how much more? Thereís a huge difference in the size of a 6 (4) VS/rudder and a 7 (9) rudder. So, even though Vanís elected to go with the 9 rudder on the 7ís,....and Iím sure for good reason, I feel pretty confident that an 8 rudder will work just fine on my 7, especially with so many 4 VS/rudderís flying just fine on 6ís.

Itíll be interesting to see how your short VS/rudder works out on your project...but Iím sure itíll work out just fine.
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RV-7- IO-360, EFII, Whirl Wind C/S, (Built and sold)
RV-4- O-320, Catto three blade, P-Mags (Sold)
RV-8- IO-360, Hartzell C/S (Flying)
RV-7- (Building)
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  #39  
Old 05-20-2019, 10:29 AM
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AndyRV7 AndyRV7 is offline
 
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Location: Hudson County, NJ
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Great build thread!
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  #40  
Old 05-20-2019, 11:33 AM
JSOliveira JSOliveira is offline
 
Join Date: Jul 2011
Location: Port Townsend, Washington
Posts: 75
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Sorry, I did not realize it was a 6 - keep moving ahead.

John
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