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breece28117(at)yahoo.com
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 Posted: Tue Apr 06, 2010 4:03 pm Post subject: Top Fwd Skin |
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RV-8 List Members,
I've finally come to the place in building where I have to attach the top forward skin. A lot of the rivet locations are about impossibe to get to - especially along the sides in the gear boxes. I've considered cherry max rivets, but the smallest size is too large. Is anyone aware of screws being used instead of rivets for this skin?
If the longerons are tapped and platenuts are installed on tops of the bulkhead, firewall and panel, flat head screws (NAS514 machine screws) could be used. Also, this would make it possible to remove the skin and windshield, I believe.
Any comments would be appreciated.
Breece Nesbitt
RV-8
N28117
[quote][b]
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Matt Dralle
Site Admin
Joined: 08 Nov 2005
Posts: 25203
Location: Livermore CA USA
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| Posted: Tue Apr 06, 2010 4:17 pm Post subject: Top Fwd Skin |
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At 05:02 PM 4/6/2010 Tuesday, you wrote:
| Quote: | RV-8 List Members,
I've finally come to the place in building where I have to attach the top forward skin. A lot of the rivet locations are about impossibe to get to - especially along the sides in the gear boxes. I've considered cherry max rivets, but the smallest size is too large. Is anyone aware of screws being used instead of rivets for this skin?
If the longerons are tapped and platenuts are installed on tops of the bulkhead, firewall and panel, flat head screws (NAS514 machine screws) could be used. Also, this would make it possible to remove the skin and windshield, I believe.
Any comments would be appreciated.
Breece Nesbitt
RV-8
N28117
|
Hi Breece,
The text below is from my log entry regarding this vary thing.
"CherryMax CR3214 Pop Rivets On Gear Towers
There were about 6 rivets on each side of the top instrument panel skin that were located inside the gear towers. Consequently, getting to the backside to buck them was nearly impossible. I suppose with just the right bucking bar, crafted specifically just for reaching those pesky rivets, you probably could buck them, but of the 8 or 9 bucking bars I have, nothing came even close.
I did a little research on the Net and found that many people have been using CherryMax CR3214 4-4 Pop rivets for these few rivets. These, however, seem to be a little hard to find because they have a 1/8" body, but a 3/32" countersunk rivet head. I found a great source for them, however, at Genuine Aircraft Hardware Company ( http://www.gen-aircraft-hardware.com/store.asp?alternate=CR3214%2D4%2D4 ). These guys have all kind of nifty hardware for aircraft and are very friendly and helpful on the phone. Give them a call and have them ship you a catalog; a resource guide in and of itself.
I ordered 30 or so of the CR3214 4-4 and when they arrived, I drilled the holes out to 1/8" and then stuck them in the holes. The are really cool and leave a completely flush rivet that almost cannot be distinguished from a standard 426 3/32" rivet. In fact, the mandrel of these pop rivets breaks off exactly flush as well, so they don't even leave any ugly hole.
By the way, if you have a decent "standard" pop rivet tool, it should work with the CR3214 rivets as well. No need to buy a special rivet tool."
Online log entries here:
http://www.mattsrv8.com/users/display_log.php?user=MattsRV8&project=638&log=94469&row=160
http://www.mattsrv8.com/users/display_log.php?user=MattsRV8&project=638&log=94470&row=159
Matt Dralle
RV-8 #83880 N998RV
http://www.mattsrv8.com Matt's RV-8 Constrution Log
Final Bits - Inspection then Test Flight!
| | - 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
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Larry Bowen
Joined: 09 Jan 2006
Posts: 802
Location: NC, USA
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| Posted: Tue Apr 06, 2010 4:31 pm Post subject: Top Fwd Skin |
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Yes, I did the same. Worked out fine:
http://blog.bowenaero.com/?p=43
[/url]--
Larry Bowen
Larry(at)BowenAero.com
[url=http://BowenAero.com]http://BowenAero.com
On Tue, Apr 6, 2010 at 8:16 PM, Matt Dralle <dralle(at)matronics.com (dralle(at)matronics.com)> wrote:
[quote] At 05:02 PM 4/6/2010 Tuesday, you wrote:
| Quote: | RV-8 List Members,
I've finally come to the place in building where I have to attach the top forward skin. A lot of the rivet locations are about impossibe to get to - especially along the sides in the gear boxes. I've considered cherry max rivets, but the smallest size is too large. Is anyone aware of screws being used instead of rivets for this skin?
If the longerons are tapped and platenuts are installed on tops of the bulkhead, firewall and panel, flat head screws (NAS514 machine screws) could be used. Also, this would make it possible to remove the skin and windshield, I believe.
Any comments would be appreciated.
Breece Nesbitt
RV-8
N28117
|
Hi Breece,
The text below is from my log entry regarding this vary thing.
"CherryMax CR3214 Pop Rivets On Gear Towers
There were about 6 rivets on each side of the top instrument panel skin that were located inside the gear towers. Consequently, getting to the backside to buck them was nearly impossible. I suppose with just the right bucking bar, crafted specifically just for reaching those pesky rivets, you probably could buck them, but of the 8 or 9 bucking bars I have, nothing came even close.
I did a little research on the Net and found that many people have been using CherryMax CR3214 4-4 Pop rivets for these few rivets. These, however, seem to be a little hard to find because they have a 1/8" body, but a 3/32" countersunk rivet head. I found a great source for them, however, at Genuine Aircraft Hardware Company ( http://www.gen-aircraft-hardware.com/store.asp?alternate=CR3214%2D4%2D4 ). These guys have all kind of nifty hardware for aircraft and are very friendly and helpful on the phone. Give them a call and have them ship you a catalog; a resource guide in and of itself.
I ordered 30 or so of the CR3214 4-4 and when they arrived, I drilled the holes out to 1/8" and then stuck them in the holes. The are really cool and leave a completely flush rivet that almost cannot be distinguished from a standard 426 3/32" rivet. In fact, the mandrel of these pop rivets breaks off exactly flush as well, so they don't even leave any ugly hole.
By the way, if you have a decent "standard" pop rivet tool, it should work with the CR3214 rivets as well. No need to buy a special rivet tool."
Online log entries here:
http://www.mattsrv8.com/users/display_log.php?user=MattsRV8&project=638&log=94469&row=160
http://www.mattsrv8.com/users/display_log.php?user=MattsRV8&project=638&log=94470&row=159
Matt Dralle
RV-8 #83880 N998RV
http://www.mattsrv8.com Matt's RV-8 Constrution Log
Final Bits - Inspection then Test Flight!
[b]
| | - 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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_________________
Larry Bowen
RV-8 SOLD,
RV-7QB in progress... |
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algrajek
Joined: 10 Jan 2006
Posts: 41
Location: Lexington, Ky
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| Posted: Wed Apr 07, 2010 7:57 am Post subject: Top Fwd Skin |
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Just wondering. Why not use the 3/32 pop rivets that Vans has? Then you dont have to drill a 1/8 hole??
Date: Tue, 6 Apr 2010 17:16:52 -0700
To: rv8-list(at)matronics.com
From: dralle(at)matronics.com
Subject: Re: Top Fwd Skin
At 05:02 PM 4/6/2010 Tuesday, you wrote:
| Quote: | RV-8 List Members,
I've finally come to the place in building where I have to attach the top forward skin. A lot of the rivet locations are about impossibe to get to - especially along the sides in the gear boxes. I've considered cherry max rivets, but the smallest size is too large. Is anyone aware of screws being used instead of rivets for this skin?
If the longerons are tapped and platenuts are installed on tops of the bulkhead, firewall and panel, flat head screws (NAS514 machine screws) could be used. Also, this would make it possible to remove the skin and windshield, I believe.
Any comments would be appreciated.
Breece Nesbitt
RV-8
N28117
|
Hi Breece,
The text below is from my log entry regarding this vary thing.
"CherryMax CR3214 Pop Rivets On Gear Towers
There were about 6 rivets on each side of the top instrument panel skin that were located inside the gear towers. Consequently, getting to the backside to buck them was nearly impossible. I suppose with just the right bucking bar, crafted specifically just for reaching those pesky rivets, you probably could buck them, but of the 8 or 9 bucking bars I have, nothing came even close.
I did a little research on the Net and found that many people have been using CherryMax CR3214 4-4 Pop rivets for these few rivets. These, however, seem to be a little hard to find because they have a 1/8" body, but a 3/32" countersunk rivet head. I found a great source for them, however, at Genuine Aircraft Hardware Company ( http://www.gen-aircraft-hardware.com/store.asp?alternate=CR3214%2D4%2D4 ). These guys have all kind of nifty hardware for aircraft and are very friendly and helpful on the phone. Give them a call and have them ship you a catalog; a resource guide in and of itself.
I ordered 30 or so of the CR3214 4-4 and when they arrived, I drilled the holes out to 1/8" and then stuck them in the holes. The are really cool and leave a completely flush rivet that almost cannot be distinguished from a standard 426 3/32" rivet. In fact, the mandrel of these pop rivets breaks off exactly flush as well, so they don't even leave any ugly hole.
By the way, if you have a decent "standard" pop rivet tool, it should work with the CR3214 rivets as well. No need to buy a special rivet tool."
Online log entries here:
http://www.mattsrv8.com/users/display_log.php?user=MattsRV8&project=638&log=94469&row=160
http://www.mattsrv8.com/users/display_log.php?user=MattsRV8&project=638&log=94470&row=159
Matt Dralle
RV-8 #83880 N998RV
http://www.mattsrv8.com Matt's RV-8 Constrution Log
Final Bits - Inspection then Test Flight!
[quote][b]
| | - 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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just rv8in |
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japhillipsga(at)aol.com
Guest
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| Posted: Thu Apr 08, 2010 5:52 am Post subject: Top Fwd Skin |
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Matt, I could not help but notice that you riveted the top skin on without having the windscreen rollbar mounted. I suppose there must be some way to mount it afterward? And why would you do it that way? Bill
--
| | - 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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breece28117(at)yahoo.com
Guest
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| Posted: Fri Apr 09, 2010 4:57 pm Post subject: Top Fwd Skin |
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Thanks for the information, Matt. I've ordered the Cherry Max CR3214 Pop Rivets from Genuine Aircraft Hardware Company. Your airplane, by the way, looks very nice! <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />
Breece
From: Matt Dralle <dralle(at)matronics.com>
To: rv8-list(at)matronics.com
Sent: Tue, April 6, 2010 8:16:52 PM
Subject: Re: Top Fwd Skin
At 05:02 PM 4/6/2010 Tuesday, you wrote:
| Quote: | RV-8 List Members,
I've finally come to the place in building where I have to attach the top forward skin. A lot of the rivet locations are about impossibe to get to - especially along the sides in the gear boxes. I've considered cherry max rivets, but the smallest size is too large. Is anyone aware of screws being used instead of rivets for this skin?
If the longerons are tapped and platenuts are installed on tops of the bulkhead, firewall and panel, flat head screws (NAS514 machine screws) could be used. Also, this would make it possible to remove the skin and windshield, I believe.
Any comments would be appreciated.
Breece Nesbitt
RV-8
N28117
|
Hi Breece,
The text below is from my log entry regarding this vary thing.
"CherryMax CR3214 Pop Rivets On Gear Towers
There were about 6 rivets on each side of the top instrument panel skin that were located inside the gear towers. Consequently, getting to the backside to buck them was nearly impossible. I suppose with just the right bucking bar, crafted specifically just for reaching those pesky rivets, you probably could buck them, but of the 8 or 9 bucking bars I have, nothing came even close.
I did a little research on the Net and found that many people have been using CherryMax CR3214 4-4 Pop rivets for these few rivets. These, however, seem to be a little hard to find because they have a 1/8" body, but a 3/32" countersunk rivet head. I found a great source for them, however, at Genuine Aircraft Hardware Company ( http://www.gen-aircraft-hardware.com/store.asp?alternate=CR3214%2D4%2D4 ). These guys have all kind of nifty hardware for aircraft and are very friendly and helpful on the phone. Give them a call and have them ship you a catalog; a resource guide in and of itself.
I ordered 30 or so of the CR3214 4-4 and when they arrived, I drilled the holes out to 1/8" and then stuck them in the holes. The are really cool and leave a completely flush rivet that almost cannot be distinguished from a standard 426 3/32" rivet. In fact, the mandrel of these pop rivets breaks off exactly flush as well, so they don't even leave any ugly hole.
By the way, if you have a decent "standard" pop rivet tool, it should work with the CR3214 rivets as well. No need to buy a special rivet tool."
Online log entries here:
http://www.mattsrv8.com/users/display_log.php?user=MattsRV8&project=638&log=94469&row=160
http://www.mattsrv8.com/users/display_log.php?user=MattsRV8&project=638&log=94470&row=159
Matt Dralle
RV-8 #83880 N998RV
http://www.mattsrv8.com/ Matt's RV-8 Constrution Log
Final Bits - Inspection then Test Flight!
[quote][b]
| | - 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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