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  #1  
Old 03-23-2013, 08:54 PM
tkatc's Avatar
tkatc tkatc is offline
 
Join Date: Nov 2007
Location: NJ
Posts: 1,747
Default Wind damaged rudder....advice.

While sitting on a ramp for a week in WV, my RV was damaged as 50kt winds whipped through the area. Despite being locked down she was weathervaned into the wind a bit and sustained damage when the rudder stop failed.


The tip of the elevator punctured the rudder. the rudder is still straight and flies perfectly with duct tape but I need to address this ASAP.


I'd hate to put a patch on the rudder....or anywhere really. The damage is the size of a 50 cent piece and some think I can repair this damage by filling it somehow. What say ye?
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My ATC opinion is NOT an official FAA recognized opinion, so any advice you get from me is ONLY my opinion.

Track my RV7A!!

Bought my flying -7A
Building an -8! (Fuse)

Last edited by tkatc : 03-23-2013 at 09:29 PM.
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  #2  
Old 03-23-2013, 09:20 PM
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Weasel Weasel is offline
 
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Location: Brooksville, MS
Posts: 750
Default Not that bad

Anything you do will need to be painted if you want it to look nice so consider just getting a new skin from Van.

I have re-skinned a rudder due to wind damage for a friend and to be honest I believe it is quicker than any equivalent looking patch you can do.

Most of the time I find myself spending more time agonizing over the job longer than it would take to just haul off and do it right to start with.
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RV-4 715hr Sold
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RV-10 N7631T 820hr Sold
RV-8 700+hr
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  #3  
Old 03-23-2013, 09:26 PM
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Walt Walt is offline
 
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Location: Dallas/Ft Worth, TX
Posts: 6,348
Default

That's a bummer, the good news is... the RV8 and RV7 rudder are the same (hint hint).
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Walt Aronow, DFW, TX (52F)

EXP Aircraft Services LLC
Specializing in RV Condition Inspections, Maintenance, Avionics Upgrades
Dynamic Prop Balancing, Pitot-Static Altmeter/Transponder Certification
FAA Certified Repair Station, AP/IA/FCC GROL, EAA Technical Counselor
Authorized Garmin G3X Dealer/Installer
RV7A built 2004, 2000+ hrs, New Titan IO-370, Bendix Mags
Website: ExpAircraft.com, Email: walt@expaircraft.com, Cell: 972-746-5154
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  #4  
Old 03-23-2013, 09:28 PM
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tkatc tkatc is offline
 
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Default

Quote:
Originally Posted by Walt View Post
That's a bummer, the good news is... the RV8 and RV7 rudder are the same (hint hint).
Not so Walt...at least mine are different. My -8 rudder has a bend at the trailing edge. The -7 is a solid edge.
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My ATC opinion is NOT an official FAA recognized opinion, so any advice you get from me is ONLY my opinion.

Track my RV7A!!

Bought my flying -7A
Building an -8! (Fuse)
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  #5  
Old 03-23-2013, 09:39 PM
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Walt Walt is offline
 
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Quote:
Originally Posted by tkatc View Post
Not so Walt...at least mine are different. My -8 rudder has a bend at the trailing edge. The -7 is a solid edge.
You must have the new style (RV9) rudder on the 7. It's still the same and will fit but the new rudder is a bit taller, so you would have to change the upper cap on the vert stab to match.
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Walt Aronow, DFW, TX (52F)

EXP Aircraft Services LLC
Specializing in RV Condition Inspections, Maintenance, Avionics Upgrades
Dynamic Prop Balancing, Pitot-Static Altmeter/Transponder Certification
FAA Certified Repair Station, AP/IA/FCC GROL, EAA Technical Counselor
Authorized Garmin G3X Dealer/Installer
RV7A built 2004, 2000+ hrs, New Titan IO-370, Bendix Mags
Website: ExpAircraft.com, Email: walt@expaircraft.com, Cell: 972-746-5154

Last edited by Walt : 03-25-2013 at 08:07 AM.
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  #6  
Old 03-23-2013, 09:49 PM
7DeltaLima 7DeltaLima is offline
 
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Location: Senoia, GA
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Default

I put a 6 inch "Roll Tide" sticker on mine and also one on the other side so it looks correct to cover up about the same amount of damage. Thought that would suffice until I got around to fixing it. That was a couple years ago and still haven't found a round toit yet .
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  #7  
Old 03-23-2013, 09:58 PM
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tkatc tkatc is offline
 
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Quote:
Originally Posted by 7DeltaLima View Post
I put a 6 inch "Roll Tide" sticker on mine and also one on the other side so it looks correct to cover up about the same amount of damage. Thought that would suffice until I got around to fixing it. That was a couple years ago and still haven't found a round toit yet .
I think mine would continue to be of service also but I have been doing some reading on micro-balloons and light weight fillers used specifically for this type of thing. My main concern is the crack propagating so I'm thinking strategic stop drilling would be in order first. Then some sort of wire mesh with a string through the center. Stuff the mesh in, work the bent metal outwards and flat, pull the string taught bringing the wire mesh flat with the inside surface, then use the micro-filler to cover the hole while adhering to the mesh behind. Let cure, sand smooth, then totally screw my paint job up!
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My ATC opinion is NOT an official FAA recognized opinion, so any advice you get from me is ONLY my opinion.

Track my RV7A!!

Bought my flying -7A
Building an -8! (Fuse)
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  #8  
Old 03-23-2013, 09:59 PM
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Walt Walt is offline
 
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Quote:
Originally Posted by 7DeltaLima View Post
I put a 6 inch "Roll Tide" sticker on mine and also one on the other side so it looks correct to cover up about the same amount of damage. Thought that would suffice until I got around to fixing it. That was a couple years ago and still haven't found a round toit yet .
Ferrying a damaged aircraft after a thorough inspection is one thing, flying around with a damaged rudder for a couple of years cause you haven't got "round toit" yet, well I don't even know what to say.... but I guarantee you probably wouldn't like it
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Walt Aronow, DFW, TX (52F)

EXP Aircraft Services LLC
Specializing in RV Condition Inspections, Maintenance, Avionics Upgrades
Dynamic Prop Balancing, Pitot-Static Altmeter/Transponder Certification
FAA Certified Repair Station, AP/IA/FCC GROL, EAA Technical Counselor
Authorized Garmin G3X Dealer/Installer
RV7A built 2004, 2000+ hrs, New Titan IO-370, Bendix Mags
Website: ExpAircraft.com, Email: walt@expaircraft.com, Cell: 972-746-5154
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  #9  
Old 03-23-2013, 10:04 PM
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Walt Walt is offline
 
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Quote:
Originally Posted by tkatc View Post
I think mine would continue to be of service also but I have been doing some reading on micro-balloons and light weight fillers used specifically for this type of thing. My main concern is the crack propagating so I'm thinking strategic stop drilling would be in order first. Then some sort of wire mesh with a string through the center. Stuff the mesh in, work the bent metal outwards and flat, pull the string taught bringing the wire mesh flat with the inside surface, then use the micro-filler to cover the hole while adhering to the mesh behind. Let cure, sand smooth, then totally screw my paint job up!
Say what!!! Sounds like you're fixing a hole in drywall

I don't think you're going to find "fill and paint" in FAA 43-13 structural repairs section. Your choices are:

1) Replace rudder
2) Re-skin
2) Install doubler

No fillers, stickers, wire mesh, string or chewing gum, please!

43-13, Chapt 4

Patching of Small Holes.

Small holes in skin panels which do not involve damage to
the stiffening members may be patched by
covering the hole with a patch plate in the
manner shown in figure 4-16. Flush patches
also may be installed in stressed-skin type construction.
An acceptable and easy flush patch
may be made by trimming out the damaged
area and then installing a conventional patch
on the underneath side or back of the sheet
being repaired. A plug patch plate of the same
size and skin thickness as the opening may
then be inserted and riveted to the patch plate.
Other types of flush patches similar to those used
for patching plywood may be used. The
rivet pattern used, however, must follow standard
practice to maintain satisfactory strength
in the sheet.
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Walt Aronow, DFW, TX (52F)

EXP Aircraft Services LLC
Specializing in RV Condition Inspections, Maintenance, Avionics Upgrades
Dynamic Prop Balancing, Pitot-Static Altmeter/Transponder Certification
FAA Certified Repair Station, AP/IA/FCC GROL, EAA Technical Counselor
Authorized Garmin G3X Dealer/Installer
RV7A built 2004, 2000+ hrs, New Titan IO-370, Bendix Mags
Website: ExpAircraft.com, Email: walt@expaircraft.com, Cell: 972-746-5154

Last edited by Walt : 03-23-2013 at 10:33 PM.
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  #10  
Old 03-23-2013, 10:33 PM
jbDC9 jbDC9 is offline
 
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Location: Houston, TX
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Default

Quote:
Originally Posted by Walt View Post
No fillers, stickers, wire mesh, string or chewing gum, please!
But notice he didn't rule out duct tape...
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