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n142ds(at)gmail.com
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 Posted: Tue Sep 22, 2009 6:21 am Post subject: Inspection Plate |
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Has anyone in the 6 or 7 community cut 'inspection' plates into the forward coweling just ahead of the windshield for access to that area? If so I'd love to see pictures, how you did it, does it leak etc? Please contact me off-line.
Thanks.... for the help.
David W. Schaefer
RV-6A N142DS "Nerdgasm"
TMX-IO360 Dual-LightSpeed Plasma IIIs, Hartzell Blended Airfoil, GRT EFIS
www.n142ds.com
[quote][b]
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Ollie Washburn
Joined: 10 Jan 2006
Posts: 56
Location: Central Florida
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| Posted: Tue Sep 22, 2009 7:39 am Post subject: Inspection Plate |
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Many RVs have the cut-outs. Some with 2 and some with 4 like mine.
Ollie
On Tue, Sep 22, 2009 at 10:21 AM, David Schaefer <n142ds(at)gmail.com (n142ds(at)gmail.com)> wrote:
[quote]Has anyone in the 6 or 7 community cut 'inspection' plates into the forward coweling just ahead of the windshield for access to that area? If so I'd love to see pictures, how you did it, does it leak etc? Please contact me off-line.
Thanks.... for the help.
David W. Schaefer
RV-6A N142DS "Nerdgasm"
TMX-IO360 Dual-LightSpeed Plasma IIIs, Hartzell Blended Airfoil, GRT EFIS
www.n142ds.com
| Quote: |
t="_blank">http://www.matronics.com/Navigator?RV-List
tp://forums.matronics.com
_blank">http://www.matronics.com/contribution
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[b]
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Ollie RV6-A & Rans S7S
Central FL |
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av8er2fly(at)peoplepc.com
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| Posted: Tue Sep 22, 2009 3:15 pm Post subject: Inspection Plate |
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Dan Checkoway did this but all his pictures and website are gone.
[quote] Mark Rose 8A 137MR
To: rv-list(at)matronics.com (rv-list(at)matronics.com)
Sent: Tuesday, September 22, 2009 7:21 AM
Subject: Inspection Plate
Has anyone in the 6 or 7 community cut 'inspection' plates into the forward coweling just ahead of the windshield for access to that area? If so I'd love to see pictures, how you did it, does it leak etc? Please contact me off-line.
Thanks.... for the help.
David W. Schaefer
RV-6A N142DS "Nerdgasm"
TMX-IO360 Dual-LightSpeed Plasma IIIs, Hartzell Blended Airfoil, GRT EFIS
www.n142ds.com
| Quote: |
href="http://www.matronics.com/Navigator?RV-List">http://www.matronics.com/Navigator?RV-List
href="http://forums.matronics.com">http://forums.matronics.com
href="http://www.matronics.com/contribution">http://www.matronics.com/c
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[b]
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timb
Joined: 16 Apr 2008
Posts: 77
Location: Frankston, Texas
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| Posted: Tue Sep 22, 2009 4:02 pm Post subject: Inspection Plate |
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David,
Why offline? This would be of particular interest to me and probably others. Anyone responding to this, please post online. Thanks a bunch. I just hate crawling under the panel to get to stuff. Not sure how bad the access panels would look, but maybe not bad.
Tim Bryan
RV-6 Flying
N616TB over 120 hours now
From: owner-rv-list-server(at)matronics.com [mailto:owner-rv-list-server(at)matronics.com] On Behalf Of David Schaefer
Sent: Tuesday, September 22, 2009 9:21 AM
To: rv-list(at)matronics.com
Subject: Inspection Plate
Has anyone in the 6 or 7 community cut 'inspection' plates into the forward coweling just ahead of the windshield for access to that area? If so I'd love to see pictures, how you did it, does it leak etc? Please contact me off-line.
Thanks.... for the help.
David W. Schaefer
RV-6A N142DS "Nerdgasm"
TMX-IO360 Dual-LightSpeed Plasma IIIs, Hartzell Blended Airfoil, GRT EFIS
www.n142ds.com
| Quote: | | http://www.matronics.com/Navigator?RV-List |
0123456789
[quote][b]
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_________________
Tim Bryan
RV-6 Flying
N616TB |
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Bret Smith
Joined: 09 Jan 2006
Posts: 178
Location: Mineral Bluff, GA
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| Posted: Tue Sep 22, 2009 4:09 pm Post subject: Inspection Plate |
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Just a note, Vans strongly discourages this mod as it weakens the entire structure. This is part of the “crumple zone” in the event of a crash and weakening the area could compromise pilot and passenger safety.
Bret Smith
EAA Technical Advisor
RV-9A N16BL
Blue Ridge, GA
From: owner-rv-list-server(at)matronics.com [mailto:owner-rv-list-server(at)matronics.com] On Behalf Of av8er2fly(at)peoplepc.com
Sent: Tuesday, September 22, 2009 8:17 PM
To: rv-list(at)matronics.com
Subject: Re: Inspection Plate
Dan Checkoway did this but all his pictures and website are gone.
| Quote: |
Mark Rose 8A 137MR
To: rv-list(at)matronics.com (rv-list(at)matronics.com)
Sent: Tuesday, September 22, 2009 7:21 AM
Subject: Inspection Plate
Has anyone in the 6 or 7 community cut 'inspection' plates into the forward coweling just ahead of the windshield for access to that area? If so I'd love to see pictures, how you did it, does it leak etc? Please contact me off-line.
Thanks.... for the help.
David W. Schaefer
RV-6A N142DS "Nerdgasm"
TMX-IO360 Dual-LightSpeed Plasma IIIs, Hartzell Blended Airfoil, GRT EFIS
www.n142ds.com
| Quote: | | href="http://www.matronics.com/Navigator?RV-List">http://www.matronics.com/Navigator?RV-Listhref="http://forums.matronics.com">http://forums.matronics.comhref="http://www.matronics.com/contribution">http://www.matronics.com/c |
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[quote][b]
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Bret Smith
RV-9A (Emp) |
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Terry Watson
Joined: 09 Jan 2006
Posts: 290
Location: Seattle, WA USA
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| Posted: Tue Sep 22, 2009 7:43 pm Post subject: Inspection Plate |
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An inspection plate done right should not weaken the structure at all. It could stiffen the structure in a way that was detrimental to the crumple zone mentioned, but it should not make it weaker. And of course it makes the plane slightly heavier.
I did it on my stalled 8A project and could come up with some photos if no one else has any available.
Terry
RV-8A #80729
Seattle
From: owner-rv-list-server(at)matronics.com [mailto:owner-rv-list-server(at)matronics.com] On Behalf Of Bret Smith
Sent: Tuesday, September 22, 2009 4:39 PM
To: rv-list(at)matronics.com
Subject: RE: Inspection Plate
Just a note, Vans strongly discourages this mod as it weakens the entire structure. This is part of the “crumple zone” in the event of a crash and weakening the area could compromise pilot and passenger safety.
Bret Smith
EAA Technical Advisor
RV-9A N16BL
Blue Ridge, GA
From: owner-rv-list-server(at)matronics.com [mailto:owner-rv-list-server(at)matronics.com] On Behalf Of av8er2fly(at)peoplepc.com
Sent: Tuesday, September 22, 2009 8:17 PM
To: rv-list(at)matronics.com
Subject: Re: Inspection Plate
Dan Checkoway did this but all his pictures and website are gone.
| Quote: |
Mark Rose 8A 137MR
To: rv-list(at)matronics.com (rv-list(at)matronics.com)
Sent: Tuesday, September 22, 2009 7:21 AM
Subject: Inspection Plate
Has anyone in the 6 or 7 community cut 'inspection' plates into the forward coweling just ahead of the windshield for access to that area? If so I'd love to see pictures, how you did it, does it leak etc? Please contact me off-line.
Thanks.... for the help.
David W. Schaefer
RV-6A N142DS "Nerdgasm"
TMX-IO360 Dual-LightSpeed Plasma IIIs, Hartzell Blended Airfoil, GRT EFIS
www.n142ds.com
| Quote: | | href="http://www.matronics.com/Navigator?RV-List">http://www.matronics.com/Navigator?RV-Listhref="http://forums.matronics.com">http://forums.matronics.comhref="http://www.matronics.com/contribution">http://www.matronics.com/c |
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[quote][b]
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Vanremog(at)aol.com
Guest
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| Posted: Tue Sep 22, 2009 9:43 pm Post subject: Inspection Plate |
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This is just nonsense. The installation of access panels merely needs to be done in such a way as to not appreciably weaken OR strengthen the structure in that region, as it needs to deform in a predictable way. This assumes that the original monocoque structure was in fact designed exactly as Van's claims and that adequate testing has proven that the crumple zones collectively behave well in compression at a given crash speed. That they performed this testing and optimized it in the design seem a stretch to me. I personally would err on the side of making the mod slightly more robust rather than slightly weaker than the original area.
I think that after many years Van's people have grown weary of answering the zillion questions about the myriad modifications possible and so "just make it work", "if you really needed it, we would have designed it in" and "we discourage making any modifications" yada yada become the most effective way to end further legitimate discussion.
I would follow prudent access panel suggestions presented in the Tony Bingelis books and I believe that as long as the area looks approximately as robust as the original, it would be acceptable. This is not a wing spar repair. Keep in mind that there are similar access panels in the underside of the wing skins at mid-span and these are in a much more critical failure area.
N1GV (RV-6A Flying 930TTAE Silicon Valley, CA)
In a message dated 9/22/2009 5:11:52 P.M. Pacific Daylight Time, smithhb(at)tds.net writes:
| Quote: | Just a note, Vans strongly discourages this mod as it weakens the entire structure. This is part of the “crumple zone†in the event of a crash and weakening the area could compromise pilot and passenger safety.
|
[quote][b]
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bobbyhester(at)newwavecom
Guest
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| Posted: Wed Sep 23, 2009 3:20 am Post subject: Inspection Plate |
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Yes I did. Yes it did leak but not after using a sealant just recently, I picked it up at the auto parts store it was not RTV but is something that does not harden, I put a small amount around it and installed it. Washed the aircraft (the only time I noticed it leak) an it did not leak.
David Schaefer wrote: | Quote: | Has anyone in the 6 or 7 community cut 'inspection' plates into the forward coweling just ahead of the windshield for access to that area? If so I'd love to see pictures, how you did it, does it leak etc? Please contact me off-line.
Thanks.... for the help.
David W. Schaefer
RV-6A N142DS "Nerdgasm"
TMX-IO360 Dual-LightSpeed Plasma IIIs, Hartzell Blended Airfoil, GRT EFIS
www.n142ds.com
|
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Jerry Grimmonpre'
Joined: 09 Jan 2006
Posts: 144
Location: Huntley, Illinois 60142
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| Posted: Wed Sep 23, 2009 4:21 am Post subject: Inspection Plate |
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Tim ...
I agree with your position. Replies are helpful to all listers and a good reason to share them.
Jerry
[quote] ---
| | - The Matronics RV-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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walter(at)tondu.com
Guest
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| Posted: Wed Sep 23, 2009 6:14 am Post subject: Inspection Plate |
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Hi David,
See entries dated 6/26/04 on this page: http://rv7-a.com/tipup_canopy_2.htmWould I do it again? Yes. Doesn't leak either.
| Quote: | | Quote: | Has anyone in the 6 or 7 community cut 'inspection' plates into the forward coweling just ahead of the windshield for access to that area? If so I'd love to see pictures, how you did it, does it leak etc? Please contact me off-line.
Thanks.... for the help.
David W. Schaefer
RV-6A N142DS "Nerdgasm"
TMX-IO360 Dual-LightSpeed Plasma IIIs, Hartzell Blended Airfoil, GRT EFIS
www.n142ds.com
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--
Walter Tondu
http://www.rv7-a.com - flying
[quote][b]
| | - The Matronics RV-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?RV-List |
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bmeyette
Joined: 14 Mar 2007
Posts: 72
Location: Cornish, NH
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| Posted: Wed Sep 23, 2009 8:53 am Post subject: Inspection Plate |
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Hi Walter,
I see you made yours with the panels laid out flat. I've done flat access panels before, but haven't tried doing yet on this piece that will be installed with the panel curved. So you just did yours laid out flat? No problems with that? I had figured that, if I did it flat (MUCH easier than trying to do it in place curved), the panel and the sheet would bend differently and result in opening the gap between the panel and the opening. Not an issue for you?
brian
From: owner-rv-list-server(at)matronics.com [mailto:owner-rv-list-server(at)matronics.com] On Behalf Of Walter Tondu
Sent: Wednesday, September 23, 2009 10:11 AM
To: rv-list(at)matronics.com
Subject: Re: Inspection Plate
Hi David,
See entries dated 6/26/04 on this page: http://rv7-a.com/tipup_canopy_2.htm Would I do it again? Yes. Doesn't leak either.
| Quote: | | Quote: | Has anyone in the 6 or 7 community cut 'inspection' plates into the forward coweling just ahead of the windshield for access to that area? If so I'd love to see pictures, how you did it, does it leak etc? Please contact me off-line.
Thanks.... for the help.
David W. Schaefer
RV-6A N142DS "Nerdgasm"
TMX-IO360 Dual-LightSpeed Plasma IIIs, Hartzell Blended Airfoil, GRT EFIS
www.n142ds.com
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--
Walter Tondu
http://www.rv7-a.com - flying
| Quote: |
href="http://www.matronics.com/Navigator?RV-List">http://www.matronics.com/Navigator?RV-List
href="http://forums.matronics.com">http://forums.matronics.com
href="http://www.matronics.com/contribution">http://www.matronics.com/c
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No virus found in this incoming message. Checked by AVG - www.avg.com 270.13.111/2386 - Release Date: 09/23/09 05:52:00 [quote][b]
| | - The Matronics RV-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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_________________
Brian Meyette, Cornish, NH
RV-7A QB tipup, supercharged Subaru STi engine, MT CS prop, all glass day/night/IFR panel, being built with solar and wind power
N432MM
http://brian76.mystarband.net/RV-7Ahome.htm |
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walter(at)tondu.com
Guest
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| Posted: Wed Sep 23, 2009 11:17 am Post subject: Inspection Plate |
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The area in which I located the panels is very flat and so itdid not have any impact. If you build 4 inspection panels as
some have done (two additional panels outboard) then that
*might* be an issue in which case you would want to measure
and drill with the skin in-place.
On Sep 23, 2009, at 9:44 AM, Brian Meyette wrote:
| Quote: | Hi Walter,
I see you made yours with the panels laid out flat. I've done flat access panels before, but haven't tried doing yet on this piece that will be installed with the panel curved. So you just did yours laid out flat? No problems with that? I had figured that, if I did it flat (MUCH easier than trying to do it in place curved), the panel and the sheet would bend differently and result in opening the gap between the panel and the opening. Not an issue for you?
brian
|
--
Walter Tondu
[quote][b]
| | - The Matronics RV-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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Terry Watson
Joined: 09 Jan 2006
Posts: 290
Location: Seattle, WA USA
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| Posted: Wed Sep 23, 2009 12:13 pm Post subject: Inspection Plate |
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For my 8A, I think I remember that I had some material trimmed off the forward top skin that had exactly the right curve in it, or possibly I rolled the curve myself. Either way, it fit the curved surface quite well.
Terry
From: owner-rv-list-server(at)matronics.com [mailto:owner-rv-list-server(at)matronics.com] On Behalf Of Walter Tondu
Sent: Wednesday, September 23, 2009 11:42 AM
To: rv-list(at)matronics.com
Subject: Re: Inspection Plate
The area in which I located the panels is very flat and so it
did not have any impact. If you build 4 inspection panels as
some have done (two additional panels outboard) then that
*might* be an issue in which case you would want to measure
and drill with the skin in-place.
On Sep 23, 2009, at 9:44 AM, Brian Meyette wrote:
Hi Walter,
I see you made yours with the panels laid out flat. I've done flat access panels before, but haven't tried doing yet on this piece that will be installed with the panel curved. So you just did yours laid out flat? No problems with that? I had figured that, if I did it flat (MUCH easier than trying to do it in place curved), the panel and the sheet would bend differently and result in opening the gap between the panel and the opening. Not an issue for you?
brian
--
Walter Tondu
| Quote: | | http://www.matronics.com/Navigator?RV-List |
0123456789
[quote][b]
| | - The Matronics RV-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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Larry Bowen
Joined: 09 Jan 2006
Posts: 802
Location: NC, USA
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| Posted: Wed Sep 23, 2009 4:45 pm Post subject: Inspection Plate |
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http://blog.bowenaero.com/?p=38
Above are some notes on access panels I did on the RV-8. No memorable problems with water leaks in during washing or flying. Otherwise is was hangered or covered. I may do the same on the RV-7 tip-up....not sure yet.
--
Larry Bowen
Larry(at)BowenAero.com
http://BowenAero.com
On Wed, Sep 23, 2009 at 4:05 PM, Terry Watson <terry(at)tcwatson.com (terry(at)tcwatson.com)> wrote:
[quote]
For my 8A, I think I remember that I had some material trimmed off the forward top skin that had exactly the right curve in it, or possibly I rolled the curve myself. Either way, it fit the curved surface quite well.
Terry
From: owner-rv-list-server(at)matronics.com (owner-rv-list-server(at)matronics.com) [mailto:owner-rv-list-server(at)matronics.com (owner-rv-list-server(at)matronics.com)] On Behalf Of Walter Tondu
Sent: Wednesday, September 23, 2009 11:42 AM
To: rv-list(at)matronics.com (rv-list(at)matronics.com)
Subject: Re: Inspection Plate
The area in which I located the panels is very flat and so it
did not have any impact. If you build 4 inspection panels as
some have done (two additional panels outboard) then that
*might* be an issue in which case you would want to measure
and drill with the skin in-place.
On Sep 23, 2009, at 9:44 AM, Brian Meyette wrote:
Hi Walter,
I see you made yours with the panels laid out flat. I've done flat access panels before, but haven't tried doing yet on this piece that will be installed with the panel curved. So you just did yours laid out flat? No problems with that? I had figured that, if I did it flat (MUCH easier than trying to do it in place curved), the panel and the sheet would bend differently and result in opening the gap between the panel and the opening. Not an issue for you?
brian
--
Walter Tondu
012 34567 89
0
[b]
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_________________
Larry Bowen
RV-8 SOLD,
RV-7QB in progress... |
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Terry Watson
Joined: 09 Jan 2006
Posts: 290
Location: Seattle, WA USA
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| Posted: Wed Sep 23, 2009 8:57 pm Post subject: Inspection Plate |
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That sure looks familiar, Larry. I think I must have copied yours.
Terry
From: owner-rv-list-server(at)matronics.com [mailto:owner-rv-list-server(at)matronics.com] On Behalf Of Larry Bowen
Sent: Wednesday, September 23, 2009 5:40 PM
To: rv-list(at)matronics.com
Subject: Re: Inspection Plate
http://blog.bowenaero.com/?p=38
Above are some notes on access panels I did on the RV-8. No memorable problems with water leaks in during washing or flying. Otherwise is was hangered or covered. I may do the same on the RV-7 tip-up....not sure yet.
--
Larry Bowen
Larry(at)BowenAero.com
http://BowenAero.com
On Wed, Sep 23, 2009 at 4:05 PM, Terry Watson <terry(at)tcwatson.com (terry(at)tcwatson.com)> wrote:
For my 8A, I think I remember that I had some material trimmed off the forward top skin that had exactly the right curve in it, or possibly I rolled the curve myself. Either way, it fit the curved surface quite well.
Terry
From: owner-rv-list-server(at)matronics.com (owner-rv-list-server(at)matronics.com) [mailto:owner-rv-list-server(at)matronics.com (owner-rv-list-server(at)matronics.com)] On Behalf Of Walter Tondu
Sent: Wednesday, September 23, 2009 11:42 AM
To: rv-list(at)matronics.com (rv-list(at)matronics.com)
Subject: Re: Inspection Plate
The area in which I located the panels is very flat and so it
did not have any impact. If you build 4 inspection panels as
some have done (two additional panels outboard) then that
*might* be an issue in which case you would want to measure
and drill with the skin in-place.
On Sep 23, 2009, at 9:44 AM, Brian Meyette wrote:
Hi Walter,
I see you made yours with the panels laid out flat. I've done flat access panels before, but haven't tried doing yet on this piece that will be installed with the panel curved. So you just did yours laid out flat? No problems with that? I had figured that, if I did it flat (MUCH easier than trying to do it in place curved), the panel and the sheet would bend differently and result in opening the gap between the panel and the opening. Not an issue for you?
brian
--
Walter Tondu
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bobbyhester(at)newwavecom
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| Posted: Thu Sep 24, 2009 3:14 am Post subject: Inspection Plate |
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The only way I knew that mine leaked was because I have the brain box for my engine monitor under one of those and after I washed the aircraft my engine monitor would not work properly until it dried out. I never saw any water so it was very little. After sealing, it no longer leaks. They are very need on my plane, and glad I did it.
Bobby Hester wrote: [quote] Yes I did. Yes it did leak but not after using a sealant just recently, I picked it up at the auto parts store it was not RTV but is something that does not harden, I put a small amount around it and installed it. Washed the aircraft (the only time I noticed it leak) an it did not leak.
David Schaefer wrote: | Quote: | Has anyone in the 6 or 7 community cut 'inspection' plates into the forward coweling just ahead of the windshield for access to that area? If so I'd love to see pictures, how you did it, does it leak etc? Please contact me off-line.
Thanks.... for the help.
David W. Schaefer
RV-6A N142DS "Nerdgasm"
TMX-IO360 Dual-LightSpeed Plasma IIIs, Hartzell Blended Airfoil, GRT EFIS
www.n142ds.com
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