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rowlandcarson(at)gmail.co
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 Posted: Fri Oct 02, 2015 10:16 am Post subject: baggage bay support rib layups query |
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Referring to the reinforcing layups between the baggage bay bulkhead floor and the support ribs, the manual p28M-14 issue 3 says:
“After cure the joint should be reinforced with 2 plies of bid at ± 45° lapping onto the ribs and bulkhead by 25 mm”
It’s not clear to me whether that means layups on BOTH sides of each support rib. I had initially assumed so, but just below that, to reinforce the baggage-bay bulkhead join with the fuselage, the manual says:
“layup 2 plies of ‘bid’ each side of the join between the fuselage and the rear baggage bay bulkhead, lapping them onto each by 25 mm”
So, it’s explicitly calling for layups both sides in that region. Comparing the 2 instructions suggests to me that the support ribs are only intended to have a reinforcing layup on one side (at both top & bottom edges) since the phrase “each side of the join” is not used in reference to the ribs.
Does anyone have a definitive answer?
in friendship
Rowland
| Rowland Carson ... that's Rowland with a 'w' ...
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christoph.both(at)acadiau
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| Posted: Fri Oct 02, 2015 3:16 pm Post subject: baggage bay support rib layups query |
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Do both sides. Keeps the rib centred in case of one sided impact.
Christoph Both
Classic 223
Wolfville Nova Scotia Canada
Sent from my iPhone
| Quote: | On Oct 2, 2015, at 15:16, Rowland Carson <rowlandcarson(at)gmail.com> wrote:
Referring to the reinforcing layups between the baggage bay bulkhead floor and the support ribs, the manual p28M-14 issue 3 says:
“After cure the joint should be reinforced with 2 plies of bid at ± 45° lapping onto the ribs and bulkhead by 25 mm”
It’s not clear to me whether that means layups on BOTH sides of each support rib. I had initially assumed so, but just below that, to reinforce the baggage-bay bulkhead join with the fuselage, the manual says:
“layup 2 plies of ‘bid’ each side of the join between the fuselage and the rear baggage bay bulkhead, lapping them onto each by 25 mm”
So, it’s explicitly calling for layups both sides in that region. Comparing the 2 instructions suggests to me that the support ribs are only intended to have a reinforcing layup on one side (at both top & bottom edges) since the phrase “each side of the join” is not used in reference to the ribs.
Does anyone have a definitive answer?
in friendship
Rowland
| Rowland Carson ... that's Rowland with a 'w' ...
| <rowlandcarson(at)gmail.com> http://www.rowlandcarson.org.uk
| Skype, Twitter: rowland_carson Facebook: Rowland Carson
| pictures: http://picasaweb.google.com/rowlandcarson
|
| | - The Matronics Europa-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?Europa-List |
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