ELF Randolph ALTHOUGH THE SUPER GLUES cyanoacrylate have boon modelers rapid set time deep penetration still applications older glues have advantage An example sheeting wing leading edges surface can easily sheeted super glues second surface offers problems because inaccessibility use pins time-honored way can result satisfactory outcome other ways technique described adaptation old cabinetmakers trick based fact some glues can polymerized heat after have cured yellow glues aliphatic resins polymerize beautifully once poly merization has taken place additional heat has no effect Because characteristic possible iron 6-in sheet balsa skins balsa frameworkor foam matteralmost same way iron-on plastic films accompanying photos will outline step-by-step system using technique sheet leading edge wing apply cap strips well procedure very fastand best almost failsafe Left Run bead glue around edges sheet will contact main sparand leading edge acrossthe sheetwhere marked ribs glue line needs 1/16 wide must right place unbroken Right Using paper towels wipe glue sheeting sounds likes mistake wiping glue will spread somewhat should come out very thin smooth Follow giue line rather going across wiping Dont leave lumps ridges giue glue pieces sheeting dries apply giue bead surfaces wing will come contact sheeting wing cap-stripped carry glue line full length ribs Once thin unbroken glue line ticket method strong easy also very lightweight Most weight glue goes out water evaporates 38 Model Aviation Cut baisa sheeting fit main spar leading edge lathe ususi practice Position sheet will fit wing mark location rib good idea test-fit sheeting just before applying giue make sure marks line up Left cap strips going used giue wipe iong pieces time cut length iater entirely possible use iron-on method forapplying buiit-uptralilng edges usuallythe wing builds less effort conventional methods trailing edge construction used Right glue dries position sheet wing glue lines matching corresponding marks wing Left Using clothes iron turned up cotton setting iron balsa sheeting down though plastic film Tack far ends sheeting place Iron sheet spar Work slowerthan would plastic films Watch work along can see bond made Right After sheet bonded spar iron down ribs leading edge byworking spar over ribs leading edge Move bay bay until whole sheet place Sheet bottom same sequence Left Forcap strips simply hold place andiron tothe ribs Thetrailing edge can betrimmed just before bonded just about fastest way cap strips can added wing Right bond obtained using method strongerthan can made glue alone very lightweight Once cooled additional heat has no effect glue joints iron-on coverings may still used August 1987 39
Edition: Model Aviation - 1987/08
Page Numbers: 38, 39
ELF Randolph ALTHOUGH THE SUPER GLUES cyanoacrylate have boon modelers rapid set time deep penetration still applications older glues have advantage An example sheeting wing leading edges surface can easily sheeted super glues second surface offers problems because inaccessibility use pins time-honored way can result satisfactory outcome other ways technique described adaptation old cabinetmakers trick based fact some glues can polymerized heat after have cured yellow glues aliphatic resins polymerize beautifully once poly merization has taken place additional heat has no effect Because characteristic possible iron 6-in sheet balsa skins balsa frameworkor foam matteralmost same way iron-on plastic films accompanying photos will outline step-by-step system using technique sheet leading edge wing apply cap strips well procedure very fastand best almost failsafe Left Run bead glue around edges sheet will contact main sparand leading edge acrossthe sheetwhere marked ribs glue line needs 1/16 wide must right place unbroken Right Using paper towels wipe glue sheeting sounds likes mistake wiping glue will spread somewhat should come out very thin smooth Follow giue line rather going across wiping Dont leave lumps ridges giue glue pieces sheeting dries apply giue bead surfaces wing will come contact sheeting wing cap-stripped carry glue line full length ribs Once thin unbroken glue line ticket method strong easy also very lightweight Most weight glue goes out water evaporates 38 Model Aviation Cut baisa sheeting fit main spar leading edge lathe ususi practice Position sheet will fit wing mark location rib good idea test-fit sheeting just before applying giue make sure marks line up Left cap strips going used giue wipe iong pieces time cut length iater entirely possible use iron-on method forapplying buiit-uptralilng edges usuallythe wing builds less effort conventional methods trailing edge construction used Right glue dries position sheet wing glue lines matching corresponding marks wing Left Using clothes iron turned up cotton setting iron balsa sheeting down though plastic film Tack far ends sheeting place Iron sheet spar Work slowerthan would plastic films Watch work along can see bond made Right After sheet bonded spar iron down ribs leading edge byworking spar over ribs leading edge Move bay bay until whole sheet place Sheet bottom same sequence Left Forcap strips simply hold place andiron tothe ribs Thetrailing edge can betrimmed just before bonded just about fastest way cap strips can added wing Right bond obtained using method strongerthan can made glue alone very lightweight Once cooled additional heat has no effect glue joints iron-on coverings may still used August 1987 39