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occom
Joined: 26 Aug 2006
Posts: 404
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 Posted: Sun Jun 13, 2010 9:24 am Post subject: Flap counterbalance riveting question. |
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I have to remount the counterbalance and I do not have the 1/8 X 3/8 AS rivet required, part number 95006 on the original plans. I have misplaced the table of part numbers 9500X VS length/material that I made up some time ago by looking through the plans. Is there another spec of rivet that would not lead to any future looseness or corrosion issue? I have most of the rivets just missing that one number. I am tempted to use a SS rivet.
Dave Goddard
KF IV 1050 / 582 / Warp
[quote][b]
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lcfitt(at)sbcglobal.net
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| Posted: Sun Jun 13, 2010 11:51 am Post subject: Flap counterbalance riveting question. |
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Dave,
The rivets supplied in the kit are Stainless. I personally wouldn't be comfortable with hardware store rivets, but for no really good reason. If I were replacing rivets in that location, I would order the Cherry Q stainless rivets of that dimension from Aircraft Spruce. http://www.aircraftspruce.com/catalog/hapages/cherrynrivet.php The Q rivet has the higher tensile strength, which is what you are after.
Lowell
From: Dave G (occom(at)ns.sympatico.ca)
Sent: Sunday, June 13, 2010 10:19 AM
To: kitfox-list(at)matronics.com (kitfox-list(at)matronics.com)
Subject: Flap counterbalance riveting question.
I have to remount the counterbalance and I do not have the 1/8 X 3/8 AS rivet required, part number 95006 on the original plans. I have misplaced the table of part numbers 9500X VS length/material that I made up some time ago by looking through the plans. Is there another spec of rivet that would not lead to any future looseness or corrosion issue? I have most of the rivets just missing that one number. I am tempted to use a SS rivet.
Dave Goddard
KF IV 1050 / 582 / Warp
[quote]
href="http://www.matronics.com/Navigator?Kitfox-List">http://www.matronhref="http://forums.matronics.com">http://forums.matronics.com
href="http://www.matronics.com/contribution">http://www.matronics.com/c
[b]
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pwmac(at)sisna.com
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| Posted: Sun Jun 13, 2010 12:35 pm Post subject: Flap counterbalance riveting question. |
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Dave & Lowell,
Did I miss something? Hard to belive that the factory could not supply the specific parts via overnight mail? Probably at least as fast as ACS?
Contact info:
Via email: info(at)kitfoxaircraft.com (info(at)kitfoxaircraft.com) PW
============
At 01:50 PM 6/13/2010, you wrote:
[quote]Dave,
The rivets supplied in the kit are Stainless. I personally wouldn't be comfortable with hardware store rivets, but for no really good reason. If I were replacing rivets in that location, I would order the Cherry Q stainless rivets of that dimension from Aircraft Spruce. http://www.aircraftspruce.com/catalog/hapages/cherrynrivet.php The Q rivet has the higher tensile strength, which is what you are after.
Lowell
From: Dave G (occom(at)ns.sympatico.ca)
Sent: Sunday, June 13, 2010 10:19 AM
To: kitfox-list(at)matronics.com (kitfox-list(at)matronics.com)
Subject: Flap counterbalance riveting question.
I have to remount the counterbalance and I do not have the 1/8 X 3/8 AS rivet required, part number 95006 on the original plans. I have misplaced the table of part numbers 9500X VS length/material that I made up some time ago by looking through the plans. Is there another spec of rivet that would not lead to any future looseness or corrosion issue? I have most of the rivets just missing that one number. I am tempted to use a SS rivet.
Dave Goddard
KF IV 1050 / 582 / Warp
[b]
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occom
Joined: 26 Aug 2006
Posts: 404
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| Posted: Sun Jun 13, 2010 12:50 pm Post subject: Flap counterbalance riveting question. |
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Well, yes you are missing something. I am in Canada, and anything I do not wish to pay an obscene amount of money for is three weeks away. The spec from my 1992-ish plans is for a 1/8 X 3/8 AS rivet. Aluminum body, steel mandrel. I have many leftover stainless rivets, much stronger and I am contemplating using one of those. Aircraft spruce is in Toronto, an economical and faster choice. I have always enjoyed great support from Kitfox under the McBeans, but the time and cost to import from exotic foreign countries is irritating.
[quote] ---
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lcfitt(at)sbcglobal.net
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| Posted: Sun Jun 13, 2010 4:24 pm Post subject: Flap counterbalance riveting question. |
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I think I was wrong with the stainless rivet idea. Thanks for those that responded. I was thinking that the rivets attached to the spar as well as the skin. I guess not.
Lowell
From: paul wilson (pwmac(at)sisna.com)
Sent: Sunday, June 13, 2010 1:11 PM
To: kitfox-list(at)matronics.com (kitfox-list(at)matronics.com)
Subject: Re: Flap counterbalance riveting question.
Dave & Lowell,
Did I miss something? Hard to belive that the factory could not supply the specific parts via overnight mail? Probably at least as fast as ACS?
Contact info:
Via email: info(at)kitfoxaircraft.com (info(at)kitfoxaircraft.com) PW
============
At 01:50 PM 6/13/2010, you wrote:
[quote]Dave,
The rivets supplied in the kit are Stainless. I personally wouldn't be comfortable with hardware store rivets, but for no really good reason. If I were replacing rivets in that location, I would order the Cherry Q stainless rivets of that dimension from Aircraft Spruce. http://www.aircraftspruce.com/catalog/hapages/cherrynrivet.php The Q rivet has the higher tensile strength, which is what you are after.
Lowell
From: Dave G (occom(at)ns.sympatico.ca)
Sent: Sunday, June 13, 2010 10:19 AM
To: kitfox-list(at)matronics.com (kitfox-list(at)matronics.com)
Subject: Flap counterbalance riveting question.
I have to remount the counterbalance and I do not have the 1/8 X 3/8 AS rivet required, part number 95006 on the original plans. I have misplaced the table of part numbers 9500X VS length/material that I made up some time ago by looking through the plans. Is there another spec of rivet that would not lead to any future looseness or corrosion issue? I have most of the rivets just missing that one number. I am tempted to use a SS rivet.
Dave Goddard
KF IV 1050 / 582 / Warp
href="http://www.matronics.com/Navigator?Kitfox-List">http://www.matronhref="http://forums.matronics.com">http://forums.matronics.com
href="http://www.matronics.com/contribution">http://www.matronics.com/c
[b]
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occom
Joined: 26 Aug 2006
Posts: 404
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| Posted: Sun Jun 13, 2010 4:44 pm Post subject: Flap counterbalance riveting question. |
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Hi Lowell, the rivets in question are the ones that extend into the spar that runs down the flap and serves as the pivot. the biggest danger I can immediately think of in using something as strong as a Q rivet is that it may crush the foam rib in that area before it's mandrel breaks.
I have emailed to Kitfox and will wait for advice.
[quote] ---
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dave
Joined: 22 Sep 2006
Posts: 1382
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| Posted: Sun Jun 13, 2010 4:57 pm Post subject: Flap counterbalance riveting question. |
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Dave ,
Likely a Avex rivet will do you fine. I have lots of them.
Most supply house do as well. I buy them in bulk from Textron in Toronto.
Dave
[quote] ---
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