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Matt Dralle
Site Admin
Joined: 08 Nov 2005
Posts: 25704
Location: Livermore CA USA
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 Posted: Sun Jul 19, 2009 3:58 pm Post subject: Flap Skins Too Short? |
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Dear Listers,
Please see the attached photo taken from the underside of my RV-8. I was going to cut the bottom flap skin to match the diagonal of the fuselage skin per the "View E-E Flaps Fairing" on DGW 80. But, it appears that the aft portion of the flap skin was cut too short by the QB builders. Note that the front part seems to be exactly the right length and that diagonal cut will clip just perfectly. But on the aft skin of the flap, it is cut off about 2" too short to continue the diagonal line. Since the fuselage side skin is curving up right there, this will act like a giant air scoop. The flaps appear to be mounted in the correct position, left/right as they are the required 3/16" from the ailerons.
The left side is exactly the same as the right side as shown in the picture.
Thoughts?
Thanks!
Matt Dralle
RV-8 #82880 N998RV
FWF Is Right Around The Corner!!
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rv8a2001(at)yahoo.com
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| Posted: Sun Jul 19, 2009 4:25 pm Post subject: Flap Skins Too Short? |
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I got an Antivirus "error", what ever that means, when trying to open this file......
Scott
RV-8a
--- On Sun, 7/19/09, Matt Dralle <dralle(at)matronics.com> wrote:
From: Matt Dralle <dralle(at)matronics.com>
Subject: Flap Skins Too Short?
To: rv-list(at)matronics.com, rv8-list(at)matronics.com
Date: Sunday, July 19, 2009, 4:57 PM
Dear Listers,
Please see the attached photo taken from the underside of my RV-8. I was going to cut the bottom flap skin to match the diagonal of the fuselage skin per the "View E-E Flaps Fairing" on DGW 80. But, it appears that the aft portion of the flap skin was cut too short by the QB builders. Note that the front part seems to be exactly the right length and that diagonal cut will clip just perfectly. But on the aft skin of the flap, it is cut off about 2" too short to continue the diagonal line. Since the fuselage side skin is curving up right there, this will act like a giant air scoop. The flaps appear to be mounted in the correct position, left/right as they are the required 3/16" from the ailerons.
The left side is exactly the same as the right side as shown in the picture
| | - The Matronics RV8-List Email Forum - | | | 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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Speedy11(at)aol.com
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| Posted: Mon Jul 20, 2009 2:24 pm Post subject: Flap Skins Too Short? |
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Matt,
I'd like to respond, but I have no idea where your photos are.
Stan Sutterfield
Do not archive
| Quote: | Please see the attached photo taken from the underside of my RV-8. I was going
to cut the bottom flap skin to match the diagonal of the fuselage skin per the
"View E-E Flaps Fairing" on DGW 80. But, it appears that the aft portion of
the flap skin was cut too short by the QB builders. Note that the front part
seems to be exactly the right length and that diagonal cut will clip just perfectly.
But on the aft skin of the flap, it is cut off about 2" too short to
continue the diagonal line. Since the fuselage side skin is curving up right
there, this will act like a giant air scoop. The flaps appear to be mounted in
the correct position, left/right as they are the required 3/16" from the ailerons.
The left side is exactly the same as the right side as shown in the picture.
|
What's for dinner tonight? Find quick and easy dinner ideas for any occasion.
[quote][b]
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http://www.matronics.com/Navigator?RV8-List |
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Matt Dralle
Site Admin
Joined: 08 Nov 2005
Posts: 25704
Location: Livermore CA USA
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| Posted: Mon Jul 20, 2009 2:30 pm Post subject: Flap Skins Too Short? |
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Hi Stan,
You can see the photo here:
http://forums.matronics.com/viewtopic.php?t=60433
Matt
At 02:21 PM 7/20/2009 Monday, you wrote:
| Quote: | Matt,
I'd like to respond, but I have no idea where your photos are.
Stan Sutterfield
Do not archive
Please see the attached photo taken from the underside of my RV-8. I was going
to cut the bottom flap skin to match the diagonal of the fuselage skin per the
"View E-E Flaps Fairing" on DGW 80. But, it appears that the aft portion of
the flap skin was cut too short by the QB builders. Note that the front part
seems to be exactly the right length and that diagonal cut will clip just perfectly.
But on the aft skin of the flap, it is cut off about 2" too short to
continue the diagonal line. Since the fuselage side skin is curving up right
there, this will act like a giant air scoop. The flaps appear to be mounted in
the correct position, left/right as they are the required 3/16" from the ailerons.
The left side is exactly the same as the right side as shown in the picture.
----------
What's for dinner tonight? Find <http://food.aol.com/dinner-tonight?ncid=emlcntusfood00000008>quick and easy dinner ideas for any occasion.
|
Matt G Dralle | Matronics | PO Box 347 | Livermore | CA | 94551
925-606-1001 V | 925-606-6281 F | dralle(at)matronics.com Email
http://www.matronics.com/ WWW | Featuring Products For Aircraft
| | - The Matronics RV8-List Email Forum - | | | 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:
http://www.matronics.com/Navigator?RV8-List |
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Matt Dralle
Matronics Email List Administrator |
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rlundin46(at)yahoo.com
Guest
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| Posted: Mon Jul 20, 2009 4:05 pm Post subject: Flap Skins Too Short? |
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I don't have an answer for you but had no trouble finding, or opening the photo.
Rick
--- On Mon, 7/20/09, Matt Dralle <dralle(at)matronics.com> wrote:
| Quote: | From: Matt Dralle <dralle(at)matronics.com>
Subject: Re: Re: Flap Skins Too Short?
To: rv8-list(at)matronics.com
Date: Monday, July 20, 2009, 6:28 PM
Matt Dralle <dralle(at)matronics.com>
Hi Stan,
You can see the photo here:
http://forums.matronics.com/viewtopic.php?t=60433
Matt
At 02:21 PM 7/20/2009 Monday, you wrote:
>Matt,
>I'd like to respond, but I have no idea where your
photos are.
>Stan Sutterfield
>Do not archive
>Please see the attached photo taken from the underside
of my RV-8. I was going
>to cut the bottom flap skin to match the diagonal of
the fuselage skin per the
>"View E-E Flaps Fairing" on DGW 80. But, it
appears that the aft portion of
>the flap skin was cut too short by the QB
builders. Note that the front part
>seems to be exactly the right length and that diagonal
cut will clip just perfectly.
>But on the aft skin of the flap, it is cut off about 2"
too short to
>continue the diagonal line. Since the fuselage
side skin is curving up right
>there, this will act like a giant air scoop. The
flaps appear to be mounted in
>the correct position, left/right as they are the
required 3/16" from the ailerons.
>
>The left side is exactly the same as the right side as
shown in the picture.
>
>
>
>----------
>What's for dinner tonight? Find <http://food.aol.com/dinner-tonight?ncid=emlcntusfood00000008>quick
and easy dinner ideas for any occasion.
Matt G Dralle | Matronics | PO Box 347 | Livermore | CA |
94551
925-606-1001 V | 925-606-6281 F | dralle(at)matronics.com
Email
http://www.matronics.com/ WWW | Featuring Products For
Aircraft
Forum -
FAQ,
- MATRONICS WEB FORUMS -
List Contribution Web Site -
-Matt
Dralle, List Admin.
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Matt Dralle
Site Admin
Joined: 08 Nov 2005
Posts: 25704
Location: Livermore CA USA
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| Posted: Mon Jul 20, 2009 4:08 pm Post subject: Re: Flap Skins Too Short? |
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Here's what I heard back from Van's today regarding the issue including the updated picture:
| Quote: | | Simply rivet on a .040" extension (like the -4 & -6 builders had to) as shown in the attached picture. You can bend it to fit any contour or overlap the flap intersection fairing as you see fit. Use pop or solid flush rivets to attach. |
Um, good thing its underneath... 
Matt
| | - The Matronics RV8-List Email Forum - | | | 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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| Description: |
| Flap modification suggestion. |
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Matt Dralle
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N38CW
Joined: 16 Apr 2008
Posts: 57
Location: Winston-Salem, NC
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| Posted: Mon Jul 20, 2009 5:06 pm Post subject: Re: Flap Skins Too Short? |
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Matt,
That's not the solution I would have expected to hear. You are way ahead of me right now. I am about to rivet my flaps together and I'm doing a standard kit. When I saw your 1st pics, I thought the skins looked to be cut about the same as mine. After seeing what Van's suggested you do, I went out to measure my skins. From the first rivet out to the inboard edge of the skin, I measure 3-7/8". The last rivet toward the aft end of the flap measures about 2-7/8" to the edge. Is this what yours measures? Just thinking out loud here, if you splice an additional skin extension to the existing flap skin as you have it drawn, wouldn't the shop head of the rivets contact the bottom of the fuselage thereby keeping the flap skin from resting flat against the fuselage?
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Bill Settle
RV-8 Fuselage |
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