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Phil.Perry(at)netapp.com
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 Posted: Mon Jan 12, 2009 9:10 am Post subject: Tailcone Question |
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For those of you who have completed the tailcone (and attached it), I have a question....
I am ready to begin riveting the tailcone, but I still have some confusion regarding the attachment - and how that relates to dimpling holes.
The plans say to "dimple all of the #40 skin holes with the exception of holes that are part of the F-1006 frame". I did that.
However some of these holes are shared between the tailcone stiffeners (1047's) and the F-1006 frame.
I think I need to go ahead and dimple the holes that are common with the skin and 1047 stiffeners - even though they are also common with the frame. Otherwise I'll never get a dimple back behind the skin again and I will be forced to try and dimple two pieces of aluminum at one.
Anyone else run into this issue?
I bet I'm okay with dimpling those holes even though they're part of 1006 assembly.
Phil
[quote][b]
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ricksked(at)embarqmail.co
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| Posted: Mon Jan 12, 2009 9:19 am Post subject: Tailcone Question |
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Phil,
I think the holes you are talking about are the three near where the longeron meets the tailcone? If so they get machine countersunk to accept a shim and dimpleted skin. IIRC.
Rick Sked
40185
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Phil.Perry(at)netapp.com
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| Posted: Mon Jan 12, 2009 10:40 am Post subject: Tailcone Question |
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Thanks Rick..
I know the 3 holes you're thinking of, and unfortunately this isn't them. I'm talking specifically about the forward-most holes in the stiffeners.
Those holes are shared with between:
1) The tailcone skin.
2) The stiffeners.
3) The F-1006 bulkhead (frame)
4) The aft end of the mid-fuse skin.
Phil
From: Rick Sked [mailto:ricksked(at)embarqmail.com]
Sent: Monday, January 12, 2009 11:19 AM
To: rv10-list(at)matronics.com
Subject: Re: Tailcone Question
Phil,
I think the holes you are talking about are the three near where the longeron meets the tailcone? If so they get machine countersunk to accept a shim and dimpleted skin. IIRC.
Rick Sked
40185
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MauleDriver(at)nc.rr.com
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| Posted: Mon Jan 12, 2009 6:45 pm Post subject: Tailcone Question |
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As I recall, the plans have you leave those holes alone until you mate up with the forward fuselage. I think the idea is that you want to match drill them, and then dimple them after you've mated things together.
It still freaks me out that we can just butt join the fuse and tailcone. I get the engineering but it still seems weird.
Perry, Phil wrote: [quote] BODY { FONT-SIZE: 12pt; COLOR: #000000; FONT-FAMILY: 'Times New Roman' } Thanks Rick..
I know the 3 holes you're thinking of, and unfortunately this isn't them. I'm talking specifically about the forward-most holes in the stiffeners.
Those holes are shared with between:
1) The tailcone skin.
2) The stiffeners.
3) The F-1006 bulkhead (frame)
4) The aft end of the mid-fuse skin.
Phil
From: Rick Sked [mailto:ricksked(at)embarqmail.com (ricksked(at)embarqmail.com)]
Sent: Monday, January 12, 2009 11:19 AM
To: rv10-list(at)matronics.com (rv10-list(at)matronics.com)
Subject: Re: Tailcone Question
Phil,
I think the holes you are talking about are the three near where the longeron meets the tailcone? If so they get machine countersunk to accept a shim and dimpleted skin. IIRC.
Rick Sked
40185
---
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indigoonlatigo(at)msn.com
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| Posted: Mon Jan 12, 2009 8:04 pm Post subject: Tailcone Question |
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I completely agree...weird indeed C but remember the seat belts hold the two pieces together also. HEHE!
DO NOt archive
Date: Mon C 12 Jan 2009 21:42:33 -0500
From: MauleDriver(at)nc.rr.com
To: rv10-list(at)matronics.com
Subject: Re: Tailcone Question
As I recall C the plans have you leave those holes alone until you mate up with the forward fuselage. I think the idea is that you want to match drill them C and then dimple them after you've mated things together.
It still freaks me out that we can just butt join the fuse and tailcone. I get the engineering but it still seems weird.
Perry C Phil wrote: [quote] Thanks Rick..
I know the 3 holes you're thinking of C and unfortunately this isn't them. I'm talking specifically about the forward-most holes in the stiffeners.
Those holes are shared with between:
1) The tailcone skin.
2) The stiffeners.
3) The F-1006 bulkhead (frame)
4) The aft end of the mid-fuse skin.
Phil
From: Rick Sked [mailto:ricksked(at)embarqmail.com (ricksked(at)embarqmail.com)]
Sent: Monday C January 12 C 2009 11:19 AM
To: rv10-list(at)matronics.com (rv10-list(at)matronics.com)
Subject: Re: Tailcone Question
Phil C
I think the holes you are talking about are the three near where the longeron meets the tailcone? If so they get machine countersunk to accept a shim and dimpleted skin. IIRC.
Rick Sked
40185
---
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http://www.matronics.com/Navigator?RV10-List |
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