FIELD: aviation. SUBSTANCE: repair consists in removal of part of material from damaged area by scraping, grinding and polishing performed in succession. Center of damage is taken as center of scraping and radius of scraping is determined from condition P>500H,, where H is maximum depth of scraping. In grinding the surface, use is made of vegetable oil for cooling it. EFFECT: elimination of mechanical defects without removal of plexiglass from metal framework.
Authors
Dates
1999-06-10—Published
1998-09-10—Filed