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Rudder Skin Dent Question...

 
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markpsmith



Joined: 07 Dec 2006
Posts: 1
PostPosted: Tue Dec 19, 2006 8:36 pm    Post subject: Rudder Skin Dent Question... Reply with quote
I had a dent in my rudder skin caused by an oops while back riveting. I ended up getting it out, but may have caused more pain than I was expecting. Now I have a bunch of wrinkles out about a 6 square inch area. Also, I have a small 1" area that "pops" up and down.

The wrinkles are only really noticable when I look down the skin and notice the smooth aluminum and then the wrinkles - yuck! As for the "pop", I figure this will go away when I close up the rudder.

I pondered buying a new rudder skin - but I am probably over-reacting and don't really want to pay 77 bucks for cosmetics. Not to mention drilling out all the stiffeners.

My questions are:

Will the wrinkles go away when the paint is put on - and possibly some filler?

Does the small pop in the skin affect anything?

Thanks,
Mark

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jc-matronics_rv(at)jline.
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PostPosted: Tue Dec 19, 2006 9:54 pm    Post subject: Rudder Skin Dent Question... Reply with quote
Mark... Yes, you're probably overreacting. Chalk this up to experience and
better judgement for next time.

I would recommend moving on. Worst case scenario is, in several months or years
later, you will be in a better position to evaluate YOURSELF whether you need a
new rudder skin. You can order it then, though, I doubt it. Most every
first-timer has a blemish(es) in their rudder.

Jae

My answers below:
1. probably
2. doubt it


My questions are:

Will the wrinkles go away when the paint is put on - and possibly some filler?

Does the small pop in the skin affect anything?

Thanks,
Mark


Read this topic online here:

http://forums.matronics.com/viewtopic.php?p=82580#82580

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bo124rs(at)hotmail.com
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PostPosted: Wed Dec 20, 2006 2:52 am    Post subject: Rudder Skin Dent Question... Reply with quote
Mark, you will hear all kinds of ingenious techniques to remove
smileys............however, lesson learned. If you do end up with a quarter
or half moon.........rough it up with a stotch pad, then throw a little non
shrink filler it and move on. Mine is coming back from the painter as we
speak. I watched him go over ever little nick and rivet, yes, everything
shows up in black!!!!! But not anymore:-)

Dana Overall
Richmond, KY i39
RV-7 slider, Imron black, "Black Magic"
O 360 A1A, C/S C2YK-1BF/F7666A4
http://rvflying.tripod.com/blackwing1.jpg
http://rvflying.tripod.com
do not archive


Quote:
From: "markpsmith" <markpatricksmith(at)gmail.com>
Reply-To: rv-list(at)matronics.com
To: rv-list(at)matronics.com
Subject: Rudder Skin Dent Question...
Date: Tue, 19 Dec 2006 20:36:33 -0800



I had a dent in my rudder skin caused by an oops while back riveting. I
ended up getting it out, but may have caused more pain than I was
expecting. Now I have a bunch of wrinkles out about a 6 square inch area.
Also, I have a small 1" area that "pops" up and down.

The wrinkles are only really noticable when I look down the skin and notice
the smooth aluminum and then the wrinkles - yuck! As for the "pop", I
figure this will go away when I close up the rudder.

I pondered buying a new rudder skin - but I am probably over-reacting and
don't really want to pay 77 bucks for cosmetics. Not to mention drilling
out all the stiffeners.

My questions are:

Will the wrinkles go away when the paint is put on - and possibly some
filler?

Does the small pop in the skin affect anything?

Thanks,
Mark


Read this topic online here:

http://forums.matronics.com/viewtopic.php?p=82580#82580



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wskimike(at)mchsi.com
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PostPosted: Wed Dec 20, 2006 2:58 am    Post subject: Rudder Skin Dent Question... Reply with quote
The rudder is known for cracking anyway, especially if you have stretched the
metal and it is working. You will see it after you paint, so my advise is to
spend the money.
Quote:


I had a dent in my rudder skin caused by an oops while back riveting. I ended
up getting it out, but may have caused more pain than I was expecting. Now I
have a bunch of wrinkles out about a 6 square inch area. Also, I have a small
1" area that "pops" up and down.

The wrinkles are only really noticable when I look down the skin and notice the
smooth aluminum and then the wrinkles - yuck! As for the "pop", I figure this
will go away when I close up the rudder.

I pondered buying a new rudder skin - but I am probably over-reacting and don't
really want to pay 77 bucks for cosmetics. Not to mention drilling out all the
stiffeners.

My questions are:

Will the wrinkles go away when the paint is put on - and possibly some filler?

Does the small pop in the skin affect anything?

Thanks,
Mark




Read this topic online here:

http://forums.matronics.com/viewtopic.php?p=82580#82580












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aerobubba(at)earthlink.ne
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PostPosted: Wed Dec 20, 2006 7:47 am    Post subject: Rudder Skin Dent Question... Reply with quote
Hi Mark-

Quote:
I had a dent in my rudder skin caused by an oops while back riveting...
..Also, I have a small

Quote:
1" area that "pops" up and down.

Will the wrinkles go away when the paint is put on - and possibly some
filler?

Quote:

Does the small pop in the skin affect anything?

Thanks,
Mark

When I did that, the advice I got from Van's was to set the rudder aside
and revisit it once the plane was done. If it was the worst blemish I had
at that time, then worry about replacing it. Probably good advice. Of
course, I figured I needed to learn to do the work well, as well as to
learn to correct my errors, so I 'fixed' my gaff. When I was done with the
'fix', I definitely had to order a new skin, as I had really trashed it.
(If you go this route, just get new stiffeners, don't bother drilling out
the old ones... you've got plenty of practice drilling rivets in your
future!)

As to the 'pop' in the skin, that is commonly called 'oil canning', like
the bottom of an old fashioned oil can. I suspect that if your rudder were
to do that in flight, you might experience some unplanned yaw. Probably
not significant in the grand scheme of things, but surely annoying. To
remedy that, I'd probably tweak the affected area to bias it towards
staying concave and then apply a thin coat of filler to bring the surface
back to flush. This all presupposes that proper balance of the surface can
be maintained, of course.

FWIW, YMMV, etc

glen matejcek
aerobubba(at)earthlink.net

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JhnstnIII(at)aol.com
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PostPosted: Wed Dec 20, 2006 3:22 pm    Post subject: Rudder Skin Dent Question... Reply with quote
I did the same thing. Filled it with a mixture of micro balloons and epoxy. Took several applications of filler plus sanding to get it just right but now it's invisible. Depends how much you care about appearance.

LeRoy Johnston/Dave White RV-6 Esperanza in Ohio. 50 hours flying.
[quote][b]

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