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EPOXY RESIN SYSTEMS FOR MANUFACTURING AND REPAIR OF SAILPLANES

Applicable to all fibre composite sailplanes. Since the first glass fibre reinforced plastics (GRP) sailplanes came into Australia and today the resin systems used in these aircraft have changed over the years. Unfortunately this is not reflected in most of the Maintenance Manuals of the sailplanes and with respect to the resin systems most repair manuals are very much outdated. This situation is not very helpful to anybody who performs repairs on sailplanes, particularly since many of the recommended systems in the repair manuals are no longer available. This AN reflects the state of the art of epoxy resin systems that are currently approved by the German Federal Aviation Authority LBA. Approval is based on tests performed to a test standard that was developed over many years by the LBA, different research organisations, fibre composite sailplane and aircraft manufacturers, material suppliers and Akafliegs. Thus, sufficient proof for the use of these materials was made to accept these systems for the repair of all fibre composite sailplanes in Australia.