Control S iIM Aerobatics Wynn Paul WALKER CUP winner Bob Whitely Fountain Valley CA wrote add thoughts finishing Stunt planes Bob said group fliers out way using acrylic lacquer enamel paints can get same results half work about half weight dope-type finish such used Gene Martine recently described column Bob points out two big additional advantages no blistered fillets finish 100% fuel proof commercial brand names paints include Dupont acrylic enamel known Im ron Ditzler acrylic enamel know Delthane Nason acrylic lacquer enamel polyurethane paints extremely danger ous application must used wellventilated areas preferably outside must used professional-type paint masknot just 50C nose mouth cover remote-airsupply-type respirator recommended Bob Hunt les McDonald can relate stories nose bleeds sore throats respiratory prob lems headaches using Imron-type paints danger associated using paints has reported John Prestons Safe ty Comes First column January April 1981 issues Model Aviation RMcM local body shop paint man has produced some prize-winning car finishes told wont pick up paint gun types paints charcoal-filtered respirator paints outside stated what happening actually spraying plastic drops drops get mouth nose lungs attack tissue lungs cannot removed warned paint dangerous However Bob says after preparing airplane up color stage need coat acrylic enamel completely cover plane enamel must sit overnight cure can sand 400-600 paper until entire planes finish dull Low spots will show up shiny spots can sand down wood again spot paint will blend color coat should add 3-4 oz can usually sand off least ounce Bob prefers paint trim acrylic lacquer mainly because dries quickly said lacquer will go over enamel other way however uses enamel clear coat over color trim ink lines rub-ons says can get coat clear two better rub out will have good shine prepared long days work can rub out finish super luster said two Continued page 127 well-deserved smile satisfaction Bob Whitely Fountain City CA shows Ott 1115 latest 4powered Derringer Note hefty prop using Half-A Stunt still lives Event winners 50 Nats tL H Wynn Paul David Fitzgerald Dan McClellan Half-A unofficial Nats event RC Pylon Racing/Hager Continued page 50 Championship Race will run Oct 31 Nov 1 Nov 2 3 international FAI race might call sort Winter Nationals Pylon Racing What premier event will dont know what think unless write So let us know opinions new event purposes goals have able pass information readers what happening around counrty Pylon Racing plus some new items market hints ideas will help some out cant write what dont know Im getting response club contest write something about send can send some good 5 x 7 black-and-white photos better make sure good lot contrast include names people picture will give credit author photographer send him five bucks its printed MA Send directly good way let people over know what going local level Let us know what going club season share fliers Send ideas complaints contest coverage Bill Hager 706 Glen Haven Dr Conroe TX 77302 CL Aerobatics/Paul Continued page 55 coats clear will weigh about 15 oz new plane weighs 54 oz Supertigre X-45 engine nose weighs 128 oz itself Jim Armour John Poynter both using types finishes Jim applied acrylic clear over regular dope finish came out very shiny bright Once again use types paint unless have professional equipment includ ing very well-ventilated spray area unless have professional type paint mask mask will probably cost $2500 $10000 cases people dying effects using paints adequate protec tion Beware Canard Stunter Another former National Champion has written tell us about recent experiments canard Stunter Doug Stout Livingston NJ details future Stunt venture half-A canard Isis-X prototype forthcoming full-size canard Stunt plane probably flying next year Isis-X has 25-in span 1 forward sweep leading edge wing five degrees anhedral negative dihedral aspect ratio 5 1 125 sq wing area tail has span 10 25 sq area aspect ratio 4-1 leadouts just behind center gravity center prop plane does yaw roll very stable yet responsive pitch axis profile half-A weighs 10 oz plus 2 additional oz nose weight Doug went Tee Dee power plant Cox tank instead original Black Widow Doug has help Mark Sullivan Mike Giomano Doug states further key designing trim ming aerobatic canard understand ing effects static dynamic stability can separated analyzed separately comparison standard Stunter total elevator travel neutral should no 10 0 static margin 10-15% feel aerobatic canard can built compete class Stunters being flown today Flying Lines name very good news letter published some model enthusiasts Northwest United States associated directly club editor John Thomp son Aerobatics column written Rich Schaper Paul Walker Subscription $450 six issues $800 twelve overseas costs $1000 $1800 respectively Jan uary 1981 issue contained 15 pages Control Line some very good items Address inquiries John Thompson 1411 Bryant Ave nue Cottage Grove OR 97424 Fuel tanks Douglas Taffinder wrote nounce back business fuel tanks Control Line airplanes took over Randys Model Aeronautics taken over famous old Dons Tanks Any some very good tanks Doug lists following sizes narrow Stunt 3 35 4 oz narrow uniflow 3 35 4 oz profile 3 35 4 oz wide uniflow tanks 4 5 6 oz wide Stunt 3 4 5 oz uniflow profile 25 3 35 4oz Mini Stunt 15 2 25 oz also has tanks Combat Rat Race Goodyear writer examined some samples tanks very high quality prices very reason able also Doug has also taken over line Custom Blend Model Fuels come varying nitro percentages 5% 40% Drums also July 1981 127 available Write Doug 8345 Delhi Road Charleston Heights SC 29405 further infor mation prices FAI Team tryouts 1981 tryouts 1982 FAI Precision Aerobatics team will held Dayton OH over Labor Day week end AMA President Grigg reversed decision upon learning much detail history behind FAI tryouts National Contests think good move information stunt PAMPA write Wynn Pau 1640 Maywick Dr Lexington KY 40504 AMAzerHarmangruber Continued page 53 crude worked wheels back gym test flights now could touch-and-go just like real plane made some happy boys following Saturday beautiful day Robert Champine went Boys Club assembled kids flying model engine An instruction period held first engine operations about what expect model released flew model first sure trim handled very well although takeoff very fast required bit down elevator level off plane fast takeoff caused boys trouble would get plane air give control handle boys worked very well boys could fly until plane ran out fuel Later able manager takeoffs much trouble Much interest has shown program some boys continuing build other types models Brainbusters MAC has ongoing year-round program Penin sula Boys Club Newport News VA exposes boys ages model building As said past article Juniors find have keep showing young people about model building though few Continued page 56 Scale information Bill has formed WE Tech nical Services Inc address 526 Lorell Terrace Atlanta GA 30238 phone 404 25528 88 will remember over years Bill literally over hundred CL Scale designs Berkeley Models personally have built kits feel Bill has given us great amount enjoyment through efforts letter Bill states As Scale documen tation thing important scale dimen sions three-viewswhich often drawn graphics department personnel rather engineering Also photos often distorted special lenses use paint shop drawings usually close enough giving marking details well am sure Bill would glad answer interested modelers services available modeler feel duty inform readers information whether Control Line RC anythingthat happen come across assist model ing enjoyment what about enjoyment Volunteers 81 Nats note John Preston NASA secretary-treasurer states time drawing close firm up help run Scale Nats As competitor always Spirit St Louis love sky. 3/41 5al ReeSe 0 Enoln.Pal. R/C 340/S WIngpn iny Aleneoft eeally f II. 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