Scheny
Well-Known Member
Hi!
Recently I read a paper about asymmetric composite thickness optimization, where it said you should use a coupling layer as ort of bonding help over honeycomb. They used an additional layer of 80g/m² of glass as it is "loosely woven" and therefore has alot of excess resin.
I checked some planes including the Extra 300 which is said to be one of engineerings finest and could not find any similar laminate.
Only thing I could find was a coupling layer which was utilized over prepreg carbon, as prepreg seems not to stick too well to hneycomb on its own.
I would be interested if any of you uses a coupling layer and why? (weight is of essence, so would rather not)
Best regards, Andreas
Recently I read a paper about asymmetric composite thickness optimization, where it said you should use a coupling layer as ort of bonding help over honeycomb. They used an additional layer of 80g/m² of glass as it is "loosely woven" and therefore has alot of excess resin.
I checked some planes including the Extra 300 which is said to be one of engineerings finest and could not find any similar laminate.
Only thing I could find was a coupling layer which was utilized over prepreg carbon, as prepreg seems not to stick too well to hneycomb on its own.
I would be interested if any of you uses a coupling layer and why? (weight is of essence, so would rather not)
Best regards, Andreas