Scale-Sport skin deep well-built structure show ing underneath compliments effort done finishing Let define what mean finishing rubber model includes tissue cover ing color markings Some models have partial sheet wood covering too can dressed up con siderably good finish KAODELRcKET B0D9ThBE 4 Ptiy FM S1N-E RUBBEI iLIJED ATOuNV 71JE NLWCH TO Fir OvEl MOTDIZ i STUFFING- SliCK SKETCH #2SA1AN WRAP SCQTtH p LTERI4ATE UP CMEJEtAPPEt SCOTCH TAPE CR AFPLiFXTA1E1UBBEI~ c22MEJT start things right clean work area lot clutter can hide item may need before dope dries Have clear area big enough lay down big gest part youll working Check brushes making sure clean little black dope residue can really mess up youre applying light color clear Gather together items will probably need job put close hand New double-edge razor blades sharp scissors newspaper news paper-grade tablet brushes small bottles mixing clear dope thinner cotton swabs sanding sticks various grade sand paper can 3M Sprayment clean cloth Try pick day humidity low covering air too moist dope will blush turn white spots dries trapped moisture Preparing Structure Use sanding block smooth out bones Sand gent ly over entire structure give Ralph [ Kuenz outlines part will edge tissue covering coat 50/50 clear dope 50% dope 50% thinner no plasticizer added plasticizer cuts down adhesion quality dope dont use mix apply tis sue dries lightly sand off raised wood fibers 240 grade paper Carefully done wont need sanding block using old single edge razor blade cut yourself out comfortable sized piece rounded corners wont dig ribs stringers youre con centrating Its safer sand parts holding down work area rather hand much apt break something case prepared reglue replace few sticks Covering tend stingy Japa nese tissue choose cut pieces out fit model minimum amount excess trimmed off apply ing tissue have three bottles brushes 50/50 dope thinner water Use 50/50 dope over outline area covered Care fully lay tissue go over out line thinner bleed dope through tissue good adhesion Use water curved edges instance piece tissue last rib wing tip along tip after dope thinner water will soften tissue allow work down around edge finger tip Take time covering model pieces tissue needed keep wrinkles small Now wrinkles removed water shrinking wings tail parts empennage should pinned down supported prevent warp ing usually build some wash-out wings means wings twisted trailing edge higher tips pin wings down jack up trailing edge keep twist dry About 1/16 Peanut fine stab rudder flat smaller models sandwich styro foam blocks dry warping After parts dry still have some wrinkles try wetting again wrinkled area wet area hold next light bulb heat helps shrinking stubborn areas doing wear old pair sun glasses cov ered masking tape except 1/32 slit across center Its Eskimo meth od allowing look bright objects hurting eyes Once have model covered dont too all-fired eager start piling layers dope Remember outside wire propshaft landing gear dope heaviest material used con struction model Use much continued page 79 46 Model Aviation Free Righi PUTTING FINISH model comes difficult weight cru cial factor well model will per form light-weight model what rubber-powered model must requires some special methods obtain good finish must remember out capture feeling real craft penalizing flying ability model beauty model 3 5OSQiNMAX WIPJ& AREA FF Sport/Keunz continued page 45 as you have to get adequate finish three basic types color schemes light weight model 1 light color tissue overall dark trim 2 dark color tissue overall light trim 3 completely color doped fin ish Lets talk about first two time Number easiest fre quently used color scheme rubber models Dark tissue can applied over light tissue good contrast case give model coat 50/50 dope two three drops plasticizer per ounce Mix plasticizer thinner first mix dope Several com mercial plasticizers available use Tri-Cresyl-Phosphate nitrate Di Butyl-Thialate butyrate SIG Lite Coat will job nicely have trouble obtaining plasticizer doping wings always bottom first cause its usually flat has less surface area top Thus will pull less have less tendency cause warps bottom almost dry wing can pinned down across some Vs sq strips top drying Leave flying surfaces pinned down least two hours longer youre rushed especi ally first coat parts drying can de cide trim going use decals surfaces will need another coat dope decals apply can take little extra effort cut num bers letters decal sheet eliminate clear material means will have position character individually can look much better shiny decal strip laid like patch across top wing choose trim dark tissue draw numbers letters news paper-grade tablet plans show markings tape plans newspaper Now sandwich up four layers tis sue between two layers newspaper cut through layers using new razor blade #11 X-Acto blade rough finish newspaper will hold tissue prevent sliding try remove individual numbers sand wich complete cutting char acters required before separating layers newspaper tissue straight edge use same sandwich method cut thin tissue strips control outlines etc small registration num bers appear vertically fin can done rub-on letters fine-point dry-mark pen have steady hand dry mark goes bleeding surface has coat dope can make frame a cover tissue used model Use practice drawing registration num bers company logos other desigs dry mark over until get good cut out piece tis sue use cover appropriate area Ive seen Pres Bruning tricky eh little higher up difficulty scale trimming dark model lighter color Consider model covered black tissue has yellow trim Using /4 frame color dope yellow tissue yellow dope Apply rubber cement tape tissue cut out characters backing removed tape have tissue numbers ready apply takes little practice able get tissue place just right let tissue adhere small point such tip X-Acto knife toothpick Now care fully set corner letter position gently press down working corners layer rubber cement will prevent dark color bleeding through lighter tissue find tissue too difficult work smoothfinish light grade paper substance 40 could used black background control outlines should gray can use gray boutique paper white tissue strips doped white tissue black bleeds through must sure strips adhere evenly neat product called liquid paper secretaries use cover over mistakes typing Its nice use drawn numbers over dark back ground comes white pastel shades blue yellow pink green can thinned out use drawing pen applied good small brush Check local office supply store will con tinue color doped finish next installment Another way finish model using winding tube just nothing like remains fully wound motor thrashing around inside tissuecovered fuselage finishing model un less course using winding tube protect work Sketch #1 shows winding tube made mylar drawing material Vellum drawing paper can also used size can varied using anything broomstick /4-in dowel Sketch #2 shows winding tube made model rocket tube Notice notched fit rear motor peg soft foam rubber front snuggles firmly opening nose Re member must have wire exten sion winder slip tube after winding mentioned last time would have simple layout Embryo Endurance model Sketch #3 shows simple layout just fuselage sections cross-hatched contain required box 1 X 1 X3 Its maximun wing area 50 sq must ROG card tabel -in main wheels idea outdoor version Ed Whittens indoor Manhattan Cabin dreamed up Dave Stott address 14645 Stahelin Detroit MI 48223 August1976 79 Closeup 1911 Cessna Gene ThomasPres Brunings original embryo endurance shows expert craftsmanship Classic FlyingWhimsey has 17-1/2 span weighs 14 grams Models author Peanut-size jumbo detailingIt flew out sight Mosher pix
Edition: Model Aviation - 1976/08
Page Numbers: 46, 79
Scale-Sport skin deep well-built structure show ing underneath compliments effort done finishing Let define what mean finishing rubber model includes tissue cover ing color markings Some models have partial sheet wood covering too can dressed up con siderably good finish KAODELRcKET B0D9ThBE 4 Ptiy FM S1N-E RUBBEI iLIJED ATOuNV 71JE NLWCH TO Fir OvEl MOTDIZ i STUFFING- SliCK SKETCH #2SA1AN WRAP SCQTtH p LTERI4ATE UP CMEJEtAPPEt SCOTCH TAPE CR AFPLiFXTA1E1UBBEI~ c22MEJT start things right clean work area lot clutter can hide item may need before dope dries Have clear area big enough lay down big gest part youll working Check brushes making sure clean little black dope residue can really mess up youre applying light color clear Gather together items will probably need job put close hand New double-edge razor blades sharp scissors newspaper news paper-grade tablet brushes small bottles mixing clear dope thinner cotton swabs sanding sticks various grade sand paper can 3M Sprayment clean cloth Try pick day humidity low covering air too moist dope will blush turn white spots dries trapped moisture Preparing Structure Use sanding block smooth out bones Sand gent ly over entire structure give Ralph [ Kuenz outlines part will edge tissue covering coat 50/50 clear dope 50% dope 50% thinner no plasticizer added plasticizer cuts down adhesion quality dope dont use mix apply tis sue dries lightly sand off raised wood fibers 240 grade paper Carefully done wont need sanding block using old single edge razor blade cut yourself out comfortable sized piece rounded corners wont dig ribs stringers youre con centrating Its safer sand parts holding down work area rather hand much apt break something case prepared reglue replace few sticks Covering tend stingy Japa nese tissue choose cut pieces out fit model minimum amount excess trimmed off apply ing tissue have three bottles brushes 50/50 dope thinner water Use 50/50 dope over outline area covered Care fully lay tissue go over out line thinner bleed dope through tissue good adhesion Use water curved edges instance piece tissue last rib wing tip along tip after dope thinner water will soften tissue allow work down around edge finger tip Take time covering model pieces tissue needed keep wrinkles small Now wrinkles removed water shrinking wings tail parts empennage should pinned down supported prevent warp ing usually build some wash-out wings means wings twisted trailing edge higher tips pin wings down jack up trailing edge keep twist dry About 1/16 Peanut fine stab rudder flat smaller models sandwich styro foam blocks dry warping After parts dry still have some wrinkles try wetting again wrinkled area wet area hold next light bulb heat helps shrinking stubborn areas doing wear old pair sun glasses cov ered masking tape except 1/32 slit across center Its Eskimo meth od allowing look bright objects hurting eyes Once have model covered dont too all-fired eager start piling layers dope Remember outside wire propshaft landing gear dope heaviest material used con struction model Use much continued page 79 46 Model Aviation Free Righi PUTTING FINISH model comes difficult weight cru cial factor well model will per form light-weight model what rubber-powered model must requires some special methods obtain good finish must remember out capture feeling real craft penalizing flying ability model beauty model 3 5OSQiNMAX WIPJ& AREA FF Sport/Keunz continued page 45 as you have to get adequate finish three basic types color schemes light weight model 1 light color tissue overall dark trim 2 dark color tissue overall light trim 3 completely color doped fin ish Lets talk about first two time Number easiest fre quently used color scheme rubber models Dark tissue can applied over light tissue good contrast case give model coat 50/50 dope two three drops plasticizer per ounce Mix plasticizer thinner first mix dope Several com mercial plasticizers available use Tri-Cresyl-Phosphate nitrate Di Butyl-Thialate butyrate SIG Lite Coat will job nicely have trouble obtaining plasticizer doping wings always bottom first cause its usually flat has less surface area top Thus will pull less have less tendency cause warps bottom almost dry wing can pinned down across some Vs sq strips top drying Leave flying surfaces pinned down least two hours longer youre rushed especi ally first coat parts drying can de cide trim going use decals surfaces will need another coat dope decals apply can take little extra effort cut num bers letters decal sheet eliminate clear material means will have position character individually can look much better shiny decal strip laid like patch across top wing choose trim dark tissue draw numbers letters news paper-grade tablet plans show markings tape plans newspaper Now sandwich up four layers tis sue between two layers newspaper cut through layers using new razor blade #11 X-Acto blade rough finish newspaper will hold tissue prevent sliding try remove individual numbers sand wich complete cutting char acters required before separating layers newspaper tissue straight edge use same sandwich method cut thin tissue strips control outlines etc small registration num bers appear vertically fin can done rub-on letters fine-point dry-mark pen have steady hand dry mark goes bleeding surface has coat dope can make frame a cover tissue used model Use practice drawing registration num bers company logos other desigs dry mark over until get good cut out piece tis sue use cover appropriate area Ive seen Pres Bruning tricky eh little higher up difficulty scale trimming dark model lighter color Consider model covered black tissue has yellow trim Using /4 frame color dope yellow tissue yellow dope Apply rubber cement tape tissue cut out characters backing removed tape have tissue numbers ready apply takes little practice able get tissue place just right let tissue adhere small point such tip X-Acto knife toothpick Now care fully set corner letter position gently press down working corners layer rubber cement will prevent dark color bleeding through lighter tissue find tissue too difficult work smoothfinish light grade paper substance 40 could used black background control outlines should gray can use gray boutique paper white tissue strips doped white tissue black bleeds through must sure strips adhere evenly neat product called liquid paper secretaries use cover over mistakes typing Its nice use drawn numbers over dark back ground comes white pastel shades blue yellow pink green can thinned out use drawing pen applied good small brush Check local office supply store will con tinue color doped finish next installment Another way finish model using winding tube just nothing like remains fully wound motor thrashing around inside tissuecovered fuselage finishing model un less course using winding tube protect work Sketch #1 shows winding tube made mylar drawing material Vellum drawing paper can also used size can varied using anything broomstick /4-in dowel Sketch #2 shows winding tube made model rocket tube Notice notched fit rear motor peg soft foam rubber front snuggles firmly opening nose Re member must have wire exten sion winder slip tube after winding mentioned last time would have simple layout Embryo Endurance model Sketch #3 shows simple layout just fuselage sections cross-hatched contain required box 1 X 1 X3 Its maximun wing area 50 sq must ROG card tabel -in main wheels idea outdoor version Ed Whittens indoor Manhattan Cabin dreamed up Dave Stott address 14645 Stahelin Detroit MI 48223 August1976 79 Closeup 1911 Cessna Gene ThomasPres Brunings original embryo endurance shows expert craftsmanship Classic FlyingWhimsey has 17-1/2 span weighs 14 grams Models author Peanut-size jumbo detailingIt flew out sight Mosher pix