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stevesimmons(at)charter.n
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 Posted: Fri Dec 11, 2009 1:50 pm Post subject: New Glass On Center Section |
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I am replacing the Lexan in the center section on my Mark III Classic, the rivets I drilled out was Steel. The steel rivets was going into aluminum which is a bad ideal due to galvanic corrosion. I cannot determine from the plans what type rivets to use, the plans just gives the size 1/8 by 1/8 or 1/8 by ¼ if you go through 2 thickness. Can anyone set me straight on this. I think they should be aluminum.
[quote][b]
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slyck(at)frontiernet.net
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| Posted: Fri Dec 11, 2009 2:43 pm Post subject: New Glass On Center Section |
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I know I'll get some flak from this but those wimpy fabric rivets will do just fine. And look good too.I think Fastenal has them.
BB
On 11, Dec 2009, at 4:49 PM, Steve Simmons wrote:
| Quote: | I am replacing the Lexan in the center section on my Mark III Classic, the rivets I drilled out was Steel. The steel rivets was going into aluminum which is a bad ideal due to galvanic corrosion. I cannot determine from the plans what type rivets to use, the plans just gives the size 1/8 by 1/8 or 1/8 by ¼ if you go through 2 thickness. Can anyone set me straight on this. I think they should be aluminum.
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John Hauck
Joined: 09 Jan 2006
Posts: 4639
Location: Titus, Alabama (hauck's holler)
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| Posted: Fri Dec 11, 2009 2:52 pm Post subject: New Glass On Center Section |
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Steve S:
The Kolb kits use SS rivets. You can get them from Travis at The New Kolb Aircraft Co. If you need his number, let me know.
No problem with galvanic corrosion, but we do have a difficult time drilling them out when it comes time to replace.
Last time I rebuilt the center section of my MKIII, I substituted .025 aluminum sheet for the lexan. That is about the third time I have had to rebuilt the center section because the lexan fails after a period of time. If you have enough of the old lexan in tact, you can use it for a pattern to make the sheet metal panels.
I use hardware store aluminum rivets for the center section, and other parts that are time replacements, i.e., windshield, door glass, etc.
john h
mkIII
[quote]
I am replacing the Lexan in the center section on my Mark III Classic, the rivets I drilled out was Steel. The steel rivets was going into aluminum which is a bad ideal due to galvanic corrosion. I cannot determine from the plans what type rivets to use, the plans just gives the size 1/8 by 1/8 or 1/8 by ¼ if you go through 2 thickness. Can anyone set me straight on this. I think they should be aluminum.
[b]
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John Hauck
MKIII/912ULS
hauck's holler
Titus, Alabama |
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jlsk1(at)frontiernet.net
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| Posted: Fri Dec 11, 2009 3:04 pm Post subject: New Glass On Center Section |
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Steve, Bob Beans advice will work, but FYI, The earlier Kolb aircraft kits came out with all Steel rivets, they changed to all Stainless steel around 1995, so that`s what I used then. However, when rebuilding my center section, I used a FEW SS rivets in what I considered key stress areas, & aluminum everywhere else. My center section is an area where the center section lexan may be subject to alot of "cosmetic" stress.., so Lexan replaceability was a concern of mine. (SS rivets are difficult to drill out.)
This may make things as clear as mud for you, but, this is just what I did.
Jim Kmet
Cookeville, TN
MK-3C 912
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