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jamesgrieco(at)yahoo.com
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 Posted: Mon Apr 17, 2006 4:08 am Post subject: Aft fuselage cracks |
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Gary, I can't quite picture where the doublers would go. Are you
saying doublers on the skin, internal or external, or gusseting
the corners of the stiffeners together?
My favorite change would be to make the stiffeners into a frame
by either outright replacement, or riveting on angles to form an
inner flange. Just about any flange would stop the buckling
shown in a recent post.
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gilalex(at)earthlink.net
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| Posted: Mon Apr 17, 2006 6:57 am Post subject: Aft fuselage cracks |
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At 05:06 AM 4/17/2006, you wrote:
| Quote: |
Gary, I can't quite picture where the doublers would go. Are you
saying doublers on the skin, internal or external, or gusseting
the corners of the stiffeners together?
My favorite change would be to make the stiffeners into a frame
by either outright replacement, or riveting on angles to form an
inner flange. Just about any flange would stop the buckling
shown in a recent post.
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If you look at the frame just ahead of the one in question, you can see it
has a small (1/4 inch) bent flange on the inside - making the stiffeners
more U-shaped than L-shaped.
It seems to me that this would stop the buckling seen on my plane, and only
cost 0.01 of a pound...:
)
gil in Tucson
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GrummanDude
Joined: 15 Jan 2006
Posts: 926
Location: Auburn, CA
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| Posted: Tue Apr 18, 2006 10:42 pm Post subject: Aft fuselage cracks |
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In a message dated 4/17/06 5:09:04 AM, jamesgrieco(at)yahoo.com writes:
| Quote: | or gusseting
the corners of the stiffeners together?
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yes
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_________________
Gary
AuCountry Aviation
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flyv35b(at)ashcreekwirele
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| Posted: Thu Apr 20, 2006 6:58 am Post subject: Aft fuselage cracks |
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Gil, what's your phone number?
Cliff
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