Control Line THIS MONTHS ARTICLE kind combination ideas information Ive things list write ables quite some time now always seemed run out space before reached So read through see anything could pertain model Ive really surprised few guys Ive suggested try using RC scale kit next CL scale project choosing scale kit rule out models thought designed strictly RC Several kits designed RC have performed extremely well CL opinion scale model scale model CL RC So should open up wider selection kits choose Basically things would have convert add would bellcrank loca tion provision leadouts position center gravity farther forward Also stay high side engine recom mendation Other few changes should difficult convert An other good tip same line read scale information whether CL RC building tips can used either group Last month discussed methods detaching wing traveling purposes biplane enthusiasts also some methods detaching wings easiest use plug-in method fuselage cabane struts method available widely used Epoxy brass tubing formers fuselage leaving just small hole showing outside just matter slipping cabane struts often-built model home-built Smith Miniplane made Andy Arhelger right 3-line control-liner Phil Edwards photo 28 Model Aviation Scale &RoOs/D L & &ocj Ii POTrOM Tar L4hN& RETAINER STRAP CAA~ WIRE JkL iN PU5E LJNEX BtAs TuiN& IS small holes outside fuselage difficult problem biplane wings attaching cabane struts top wing having stay firmly place use hardwood grooved land ing gear blocks imbedded bottom surface upper wing will allow use standard landing gear retainers use torsion-bar landing gear Put retainer straps close top bend cabane wire possible fastening N struts best achieved brass strips other metal nature bent 90 degrees epoxied legs brass strip right under surface wing leaving other end protrude above surface point N-strut attachment will allow use small woodscrew bolt fasten N strut method attaching cabane struts given Howard Hubel Mankato Minn Howard also usescontrol line fly wires between wire cabane struts turnbuckles between cabane wires control-line fly wires used instead brace wire use turnbuckles can adjust square ness wing method cabane struts normally removable fuselage working new Ryan next World Championships ran problem ailerons wanted have work proper scale operation moved stick cockpit Mike Staff possible have direct linkage achieve So after experimenting awhile Ive come up idea using 90-degree bellcranks spring loaded ailerons down position Con nect two 90-degree bellcranks other control-line wire flexible leadout cable other side bellcranks attach spring two bellcranks will hold wire taut See diagram spring went local hardware store might have experiment bit see what length will work best particular model great part about using flexible lead-out cable need make sharp corner go around other objects wing can running through bent piece brass tubing As will see drawing aileron lifted up will slacken cable between two bellcranks spring other aileron will pull opposite aileron down position aileron released will re turn neutral position operation ailerons going through cockpit just connect cable bellcranks aile rons neutral position use turnbuckles point may make adjust ments neutral position easier necessary use idea works extremely well connected stick cockpit move stick left gives left aileron important point remember have too much spring tension would take lot force move stick inside cockpit idea can applied flaps also sure spring load flaps up posi tion down LEADOLLT CAL A55 TaalNC PR AIf7 O ELLCRJtNK 1u5 i ReID have questions problems regarding scale please drop line Ill happy try help out maybe cant someone else would like offer solutions welcome ideas questions please write following address Mike F Stott 118 F Wheeler Ave North Mankato Minn 56001