HI THERE boys girls springtime last snow gone grass green time right flying new creation spent winter perfecting Ill bet youre just sitting expectantly around bat teries fuel cans waiting some pearls wisdom drip prolific pen old Fast-Lip Fancherwords thatll give extra edge make champion Right Wrong nitro breath may spring get hands Im putting out halfway tween Christmas New Years Ive just re turned flight good old United Airlines allowed visit Chicagos OHare Air port right middle huge snowstorm brought entire country its knees credit cards warped Christmas shopping overload tax man wringing hands anticipation daughter just totalled lit tle Toyota Guys Im flat out pearls wisdom ything else Nonetheless duty calls along editor lets just BS about some stuff general can always put another coat clear ship buff Out some start get shakes received couple letters some Control Line movers shakers deserve some mention First Colonel Tom Dixon may time read new pressdent PAMPAthe Precision Aerobatics ModPAMPA good guy Chuck Holtzapple uncredited inspiration for- Fanchers columns biplane Stunters last year has gone whole hog Fantastic original design uses Supertlgre 60 power Structure ap pears foam cap-strip-type ribs Photo Holtzapple el Pilots Associationdepending outcome election between him Bob McDonald comes word new unofficial event held years Nats Virginia Beach Listen up Marietta GA Sky Rebels CL Club will sponsor unofficial Beginner Stunt event 1988 Nats Virginia Beach event will held 900 am Tuesday July 26 Pattern rules will per PAMPA Begin ner Pattern AMA Novice Pattern list ed current rule book Entry open anyone entered regular Nats CL Precision Aerobatics events Event Directors discretion will final concerning en trants might overqualified intent offer event yet ready Precision Aerobatics stimulate interest higher-level competition Prizes will Stunt-oriented merchandise such engines kits Copies PAMPA Beginner Pattern may obtained sending self-addressed stamped Continued page 162 Two-times World Champion Bill Werwages Berea OH OPS 40-powered tuned pipe original design 1987 US FAI CL team finals Indlanaplis 87 Use low-pitched prop lets engine run fast quetlyl keeping airpeed within reason Griner photo 66 Model Aviation Confrol Line Aerobatics Ted Fancher 158 FlyIng Cloud Isle Foster City CA 94404 gorgeous maroon-and-white ST 60-powered Nobler contest plane used fivetime-National Champion Bob Gieseke past two years However frustrated its performance has sold 60-engine support equipment Whatever hes built replace 1988 bound good Photo JB Griner Can believe National Champ Paul Walkers Bad News has yet win Concours dElegance Nats got 19 appearance points 87 Photo JB Griner photos Other tools accessories smaller drawers Rubber stuffer Jim Clems tool loading mo tors Manhattan Scale Bostonian models subject another months photos give idea size shaft /16-in welding rod notched side pieces styro foam sheet left over Dannon Yogurt contain ers after cut out Bostonian prop blades see photo December 1987 column wrongly identified Manhattan prop thread wrap epoxy completes job CL Happy Days/Kostecky Continued page 65 Tail surfaces Cut light C-grain balsa Add A6 plywood control horn mount elevator join elevators wire joiner Round edges taper rudder elevators Hinge stab elevator used nylon RC piano-type hinges Glue stabilizer assembly fuselage slot Add fin add rud der about /2 offset Covering finishing Glue 34 oz weight outboard tip Attach con trol horn bend elevator pushrod Slide plywood fair-lead onto pushrod epoxy fuselage really fastidious industrious builders con trols could enclosed fuselage attaching externally quicker eas ier suited fine Remove horn start finishing process multitude options finish ing dope-and-silkspan epoxy iron-ons youre planning build Stunt ship need experience dopes planes size doesnt rule out dope-and silkspan method like want quick results sacrificing durability following Sand everything 400 wet dry paper used dry Vacuum structure Cover wing MonoKote Mask wing covering about /~ edge meets planking fin ish apply overlaps seam seals Next apply heavy coat K&B epoxy primer dry sand smooth 400 paper too much grain showing re peat filler coat sand again youre fastidious spray coat K&B epoxy whole thing found can Black Baron Epoxy under bench brushed coat yellow came out looking acceptablecertainly concours quality far better planes 20 years ago Some striping tape Mono Kote trim well acetate cockpit fin ished job Dont hesitate experiment kinds miscellaneous extras proj ect wheel pants enclosed controls cockpit detail name few Learning techniques can aggravating can transfer experience advanced projects later Attach elevator horn solder retaining washer set wheels piece fuel line filter once engine muffler have bolted ready go Flying model just pleasant smooth forgiving plane fly Itll whole Precision Aerobatics pattern al though competitively Check center-of-gravity cant imag ine CG coming out anything other nose-heavy initially Fly way first adding tail weight until responds taste Sixty-foot lines 10-in six-pitch propeller used original taking challenge designing building Happy Days worth bet once weather schedule mood click drag out go flying brief shining spell Im 14-year-old kid again savoring mo ment did kid bike tripping over lines ck happy days golden halcyon days Control Line flight CL Aerobatics/Fancher Continued page 66 envelope Tom Dixon Beginner Pattern 1938 Peachtree Suite 401 Atlanta GA 30309 really great idea Sky Rebels continuing successful pat tern established Old-Time Stunt fliers providing well-administered unofficial events supplement official AMA Stunt events Nats particularly good idea should draw some people actually participate Nats might otherwise simply come spectateor perhaps might bother tend extra excitement comes actually participating Nationals ter rific stimulus persons interest Once bitten Nats bug tough shake st ask wives us Stunt junkies about youve reading since Stunts inception truly Precision event advent Nobler encourage passing thought sometime getting good enough fly Nats drop Tom line join fun wont regret Along similar lines although yet off drawing board proposal another supple mental event Doc Passen PO Box 111 Jasonville IN 47438 Doc spearheading group would like initiate what call Nostalgia Stunt event would similar concept now-familiar Old-Time Stunt event designs particular era would qualified competein case years 1953 1963 plan use 1957/58/59 AMA rules essentially same todays exception appear ance points range 16 40 points ex cept include intriguing statement maneuver description horizontal round square eights either inside outside loop may performed first Doc feels era has greater potential OTS number familiarity models qualify much larger familiar pre-1952 vintage OTS 162 Model Aviation 0 0 -h 0 0 z 0 z C, 0 -a 0 -o m m 0 Q C, CD -I CD C, 0 0 C, 0 CD 0 Co 31 0 N D S S. N x 5S& ci x S. Ci x S. x S. S. Ji x S. 0 x S. 0 x U fleet could well right talking about lot really beautiful designs step two removed performance top Pro-Stunters modem era Some Stunts greatest ships would qualify such Ares Argus Bill Werwage late great Steve Wooley Jim Silhaveys Gypsy Lew McFarlands great Ruffy Shark Jim Kosteckys beautiful Formula S would fill bill know Jims original Formula S models hang ing wall Art Schaeffers Hobby Shop suburban St Louis ong original Tucker Specials spectacular fliers back 1959 60 flew high Nats finishes piloted Ron OToole Schaeffer designer Bob Tucker Licklitters Ballerina original Sweeper Dick Williams Skylark Stills Stuka Stunter Palmers greatest design Thunderbird both its versions barely scratch surface huge number published kitted designs hearts blood Stuntsarguablyfinest hours would qualify exciting prospect such event entirely possible some original nostalgia-era ships might fact brought Out retirement just shining day sun sight Bob Gialdini flying spectac ular 1963-vintage Stingray 1987 Nats worth price admission itself Can imagine Aldrich Palmer McFarland Still Wil hams Silbaveyand oncoming out last shot big What great idea Con tact Doc above address encourage efforts just received another neat package stuff Joe Wagner 135 Waugh Ave New Wil mington PA 16142 Joes author fas cinating letters about history Stunt Veco era bulk Decem ber 1987/January 1988 columns Includedalong some nice letters indicat ing huge amount interest history Stuntwas set plans Veco Chief both standard kit configuration Super Chief flown himself Palmer pre Nobler George Aldrich $750 set planswith voluminous historical notes neatly includedare must items serious student event Ive studied hours have visitors feeling unanimous yourself favor get set yourself same subject George Aldrich himself turned Joes reminiscences dropped note indicating interest carry ing historical perspective years greatest involvement st Stunt community Im sure ait ef forts great anticipation George sets great example other pioneers event Throw aside false modesty w are memories continue tradition shadows contributions stand profit Lets change subject talk little about props Nothing deep just some grist old noodle zillions revolutions suppose old Tigre Max turns lap Would believe very darn little quick math proves 9000 rpm good nominal in-flight average actual number revs during classic 55-second lap 825 (9000/60 x 55 wild guess might place duration hard corner 25 50 seconds resulting revolutions period 375 75 nearly buzz saw envision Further food thought have led believe pitch labeled prop cannot directly translated forward motion aircraft prop attached due drag etc obviously true lets check Out little see what can learn quick math shows 70-ft lines forgetting moment additional length due pilots arm distance traveled lap 440 feet pi x 140 ft 439824 ft can easily determine revolutions necessary prop given pitch complete lap no allowance drag/efficiency six inches pitch prop must turn two revolu tions traverse foot math simple Two times number feet lap required number revolutions required case answer 880 revs complete evaluation divide 880 revs 55 clas sic lap time multiply 60 get rpm result 9600 rpm wait say just said 9000 rpm prop turns 825 turns per lap rse yet oniy set Belchfire 60 at 7800 rpm before launch know laps 55 per So whats wrong Good question say Franldy dont know couple possibilities questions come mind First obvious Stunt ships pretty darned clean comes QUAY BARBER MODELS I14 SHOESTRING N\ SiZe SEMIKIT $11995 KIT5154 Fmlak SEMIKIT $11995 EPOXY/OLASS/FOBAL\.iRiveSm KIT$15495 CONSTRUCTION WITH DRAWINGS AND DATA FOR FORMULA 120 PYLON SPORT OR STANDOFF SCALE FLLL OR SEMIKITS Cosmic 8 10 lbs weight Wind 790 sq wing ares SEMIKIT $10995 60 2 stroke 12 4 stroke KIT $14495 skit prices plus shipping scredit csrds welcome Ohio residents add 6 I216 7776172 27106 Butternut RidgeNOrth Olmeled Ohio 44070 drag because math shows looking pretty darn good efficiency numbers Second actually operating lot high er rpm air know prop unloads release ship doesnt sound much faster air Weve got find sonic indicator actually measure in-flight rpm learn info might look Rich Porters article Musical Tach January 1981 issue magazine get good idea might get in-flight rpm value sure read fine print back page 111 RMcM Another factor pitch measure backside blade technically slightly less actual pitch take cambered airfoil consideration Because props airfoil flat-bottomed fact its angle zero lift would slightly negative airflow ergo pitch station prop slightly measured standard pitch gauge What thoughts ap parent enigma last puzzler level flight constant speed would airflow behind prop disk greater general airflow over entire airplane at consequences would have control effectiveness Obviously discussion propellers could prove valuable Look forward will April 1988 163 n looking sport exhibition biplane has filled IIItiIo4W fine tine Icks aiw ms8hlne cut assist buildks S tpbw gives greatest potential tor~ wry slow close-In type flight right ctp SCALE GLIDERS Jel Coated Fuselages Wings Covered Obechi Basic Kits ASW 17 4M$289 Salto 38 44M$475 components available separately details cell write 213-828-2300 SM SAl IPIANES 2703 Santa Monica Blvd Santa Monica CA 90404
Edition: Model Aviation - 1988/04
Page Numbers: 66, 162, 163
HI THERE boys girls springtime last snow gone grass green time right flying new creation spent winter perfecting Ill bet youre just sitting expectantly around bat teries fuel cans waiting some pearls wisdom drip prolific pen old Fast-Lip Fancherwords thatll give extra edge make champion Right Wrong nitro breath may spring get hands Im putting out halfway tween Christmas New Years Ive just re turned flight good old United Airlines allowed visit Chicagos OHare Air port right middle huge snowstorm brought entire country its knees credit cards warped Christmas shopping overload tax man wringing hands anticipation daughter just totalled lit tle Toyota Guys Im flat out pearls wisdom ything else Nonetheless duty calls along editor lets just BS about some stuff general can always put another coat clear ship buff Out some start get shakes received couple letters some Control Line movers shakers deserve some mention First Colonel Tom Dixon may time read new pressdent PAMPAthe Precision Aerobatics ModPAMPA good guy Chuck Holtzapple uncredited inspiration for- Fanchers columns biplane Stunters last year has gone whole hog Fantastic original design uses Supertlgre 60 power Structure ap pears foam cap-strip-type ribs Photo Holtzapple el Pilots Associationdepending outcome election between him Bob McDonald comes word new unofficial event held years Nats Virginia Beach Listen up Marietta GA Sky Rebels CL Club will sponsor unofficial Beginner Stunt event 1988 Nats Virginia Beach event will held 900 am Tuesday July 26 Pattern rules will per PAMPA Begin ner Pattern AMA Novice Pattern list ed current rule book Entry open anyone entered regular Nats CL Precision Aerobatics events Event Directors discretion will final concerning en trants might overqualified intent offer event yet ready Precision Aerobatics stimulate interest higher-level competition Prizes will Stunt-oriented merchandise such engines kits Copies PAMPA Beginner Pattern may obtained sending self-addressed stamped Continued page 162 Two-times World Champion Bill Werwages Berea OH OPS 40-powered tuned pipe original design 1987 US FAI CL team finals Indlanaplis 87 Use low-pitched prop lets engine run fast quetlyl keeping airpeed within reason Griner photo 66 Model Aviation Confrol Line Aerobatics Ted Fancher 158 FlyIng Cloud Isle Foster City CA 94404 gorgeous maroon-and-white ST 60-powered Nobler contest plane used fivetime-National Champion Bob Gieseke past two years However frustrated its performance has sold 60-engine support equipment Whatever hes built replace 1988 bound good Photo JB Griner Can believe National Champ Paul Walkers Bad News has yet win Concours dElegance Nats got 19 appearance points 87 Photo JB Griner photos Other tools accessories smaller drawers Rubber stuffer Jim Clems tool loading mo tors Manhattan Scale Bostonian models subject another months photos give idea size shaft /16-in welding rod notched side pieces styro foam sheet left over Dannon Yogurt contain ers after cut out Bostonian prop blades see photo December 1987 column wrongly identified Manhattan prop thread wrap epoxy completes job CL Happy Days/Kostecky Continued page 65 Tail surfaces Cut light C-grain balsa Add A6 plywood control horn mount elevator join elevators wire joiner Round edges taper rudder elevators Hinge stab elevator used nylon RC piano-type hinges Glue stabilizer assembly fuselage slot Add fin add rud der about /2 offset Covering finishing Glue 34 oz weight outboard tip Attach con trol horn bend elevator pushrod Slide plywood fair-lead onto pushrod epoxy fuselage really fastidious industrious builders con trols could enclosed fuselage attaching externally quicker eas ier suited fine Remove horn start finishing process multitude options finish ing dope-and-silkspan epoxy iron-ons youre planning build Stunt ship need experience dopes planes size doesnt rule out dope-and silkspan method like want quick results sacrificing durability following Sand everything 400 wet dry paper used dry Vacuum structure Cover wing MonoKote Mask wing covering about /~ edge meets planking fin ish apply overlaps seam seals Next apply heavy coat K&B epoxy primer dry sand smooth 400 paper too much grain showing re peat filler coat sand again youre fastidious spray coat K&B epoxy whole thing found can Black Baron Epoxy under bench brushed coat yellow came out looking acceptablecertainly concours quality far better planes 20 years ago Some striping tape Mono Kote trim well acetate cockpit fin ished job Dont hesitate experiment kinds miscellaneous extras proj ect wheel pants enclosed controls cockpit detail name few Learning techniques can aggravating can transfer experience advanced projects later Attach elevator horn solder retaining washer set wheels piece fuel line filter once engine muffler have bolted ready go Flying model just pleasant smooth forgiving plane fly Itll whole Precision Aerobatics pattern al though competitively Check center-of-gravity cant imag ine CG coming out anything other nose-heavy initially Fly way first adding tail weight until responds taste Sixty-foot lines 10-in six-pitch propeller used original taking challenge designing building Happy Days worth bet once weather schedule mood click drag out go flying brief shining spell Im 14-year-old kid again savoring mo ment did kid bike tripping over lines ck happy days golden halcyon days Control Line flight CL Aerobatics/Fancher Continued page 66 envelope Tom Dixon Beginner Pattern 1938 Peachtree Suite 401 Atlanta GA 30309 really great idea Sky Rebels continuing successful pat tern established Old-Time Stunt fliers providing well-administered unofficial events supplement official AMA Stunt events Nats particularly good idea should draw some people actually participate Nats might otherwise simply come spectateor perhaps might bother tend extra excitement comes actually participating Nationals ter rific stimulus persons interest Once bitten Nats bug tough shake st ask wives us Stunt junkies about youve reading since Stunts inception truly Precision event advent Nobler encourage passing thought sometime getting good enough fly Nats drop Tom line join fun wont regret Along similar lines although yet off drawing board proposal another supple mental event Doc Passen PO Box 111 Jasonville IN 47438 Doc spearheading group would like initiate what call Nostalgia Stunt event would similar concept now-familiar Old-Time Stunt event designs particular era would qualified competein case years 1953 1963 plan use 1957/58/59 AMA rules essentially same todays exception appear ance points range 16 40 points ex cept include intriguing statement maneuver description horizontal round square eights either inside outside loop may performed first Doc feels era has greater potential OTS number familiarity models qualify much larger familiar pre-1952 vintage OTS 162 Model Aviation 0 0 -h 0 0 z 0 z C, 0 -a 0 -o m m 0 Q C, CD -I CD C, 0 0 C, 0 CD 0 Co 31 0 N D S S. N x 5S& ci x S. Ci x S. x S. S. Ji x S. 0 x S. 0 x U fleet could well right talking about lot really beautiful designs step two removed performance top Pro-Stunters modem era Some Stunts greatest ships would qualify such Ares Argus Bill Werwage late great Steve Wooley Jim Silhaveys Gypsy Lew McFarlands great Ruffy Shark Jim Kosteckys beautiful Formula S would fill bill know Jims original Formula S models hang ing wall Art Schaeffers Hobby Shop suburban St Louis ong original Tucker Specials spectacular fliers back 1959 60 flew high Nats finishes piloted Ron OToole Schaeffer designer Bob Tucker Licklitters Ballerina original Sweeper Dick Williams Skylark Stills Stuka Stunter Palmers greatest design Thunderbird both its versions barely scratch surface huge number published kitted designs hearts blood Stuntsarguablyfinest hours would qualify exciting prospect such event entirely possible some original nostalgia-era ships might fact brought Out retirement just shining day sun sight Bob Gialdini flying spectac ular 1963-vintage Stingray 1987 Nats worth price admission itself Can imagine Aldrich Palmer McFarland Still Wil hams Silbaveyand oncoming out last shot big What great idea Con tact Doc above address encourage efforts just received another neat package stuff Joe Wagner 135 Waugh Ave New Wil mington PA 16142 Joes author fas cinating letters about history Stunt Veco era bulk Decem ber 1987/January 1988 columns Includedalong some nice letters indicat ing huge amount interest history Stuntwas set plans Veco Chief both standard kit configuration Super Chief flown himself Palmer pre Nobler George Aldrich $750 set planswith voluminous historical notes neatly includedare must items serious student event Ive studied hours have visitors feeling unanimous yourself favor get set yourself same subject George Aldrich himself turned Joes reminiscences dropped note indicating interest carry ing historical perspective years greatest involvement st Stunt community Im sure ait ef forts great anticipation George sets great example other pioneers event Throw aside false modesty w are memories continue tradition shadows contributions stand profit Lets change subject talk little about props Nothing deep just some grist old noodle zillions revolutions suppose old Tigre Max turns lap Would believe very darn little quick math proves 9000 rpm good nominal in-flight average actual number revs during classic 55-second lap 825 (9000/60 x 55 wild guess might place duration hard corner 25 50 seconds resulting revolutions period 375 75 nearly buzz saw envision Further food thought have led believe pitch labeled prop cannot directly translated forward motion aircraft prop attached due drag etc obviously true lets check Out little see what can learn quick math shows 70-ft lines forgetting moment additional length due pilots arm distance traveled lap 440 feet pi x 140 ft 439824 ft can easily determine revolutions necessary prop given pitch complete lap no allowance drag/efficiency six inches pitch prop must turn two revolu tions traverse foot math simple Two times number feet lap required number revolutions required case answer 880 revs complete evaluation divide 880 revs 55 clas sic lap time multiply 60 get rpm result 9600 rpm wait say just said 9000 rpm prop turns 825 turns per lap rse yet oniy set Belchfire 60 at 7800 rpm before launch know laps 55 per So whats wrong Good question say Franldy dont know couple possibilities questions come mind First obvious Stunt ships pretty darned clean comes QUAY BARBER MODELS I14 SHOESTRING N\ SiZe SEMIKIT $11995 KIT5154 Fmlak SEMIKIT $11995 EPOXY/OLASS/FOBAL\.iRiveSm KIT$15495 CONSTRUCTION WITH DRAWINGS AND DATA FOR FORMULA 120 PYLON SPORT OR STANDOFF SCALE FLLL OR SEMIKITS Cosmic 8 10 lbs weight Wind 790 sq wing ares SEMIKIT $10995 60 2 stroke 12 4 stroke KIT $14495 skit prices plus shipping scredit csrds welcome Ohio residents add 6 I216 7776172 27106 Butternut RidgeNOrth Olmeled Ohio 44070 drag because math shows looking pretty darn good efficiency numbers Second actually operating lot high er rpm air know prop unloads release ship doesnt sound much faster air Weve got find sonic indicator actually measure in-flight rpm learn info might look Rich Porters article Musical Tach January 1981 issue magazine get good idea might get in-flight rpm value sure read fine print back page 111 RMcM Another factor pitch measure backside blade technically slightly less actual pitch take cambered airfoil consideration Because props airfoil flat-bottomed fact its angle zero lift would slightly negative airflow ergo pitch station prop slightly measured standard pitch gauge What thoughts ap parent enigma last puzzler level flight constant speed would airflow behind prop disk greater general airflow over entire airplane at consequences would have control effectiveness Obviously discussion propellers could prove valuable Look forward will April 1988 163 n looking sport exhibition biplane has filled IIItiIo4W fine tine Icks aiw ms8hlne cut assist buildks S tpbw gives greatest potential tor~ wry slow close-In type flight right ctp SCALE GLIDERS Jel Coated Fuselages Wings Covered Obechi Basic Kits ASW 17 4M$289 Salto 38 44M$475 components available separately details cell write 213-828-2300 SM SAl IPIANES 2703 Santa Monica Blvd Santa Monica CA 90404
Edition: Model Aviation - 1988/04
Page Numbers: 66, 162, 163
HI THERE boys girls springtime last snow gone grass green time right flying new creation spent winter perfecting Ill bet youre just sitting expectantly around bat teries fuel cans waiting some pearls wisdom drip prolific pen old Fast-Lip Fancherwords thatll give extra edge make champion Right Wrong nitro breath may spring get hands Im putting out halfway tween Christmas New Years Ive just re turned flight good old United Airlines allowed visit Chicagos OHare Air port right middle huge snowstorm brought entire country its knees credit cards warped Christmas shopping overload tax man wringing hands anticipation daughter just totalled lit tle Toyota Guys Im flat out pearls wisdom ything else Nonetheless duty calls along editor lets just BS about some stuff general can always put another coat clear ship buff Out some start get shakes received couple letters some Control Line movers shakers deserve some mention First Colonel Tom Dixon may time read new pressdent PAMPAthe Precision Aerobatics ModPAMPA good guy Chuck Holtzapple uncredited inspiration for- Fanchers columns biplane Stunters last year has gone whole hog Fantastic original design uses Supertlgre 60 power Structure ap pears foam cap-strip-type ribs Photo Holtzapple el Pilots Associationdepending outcome election between him Bob McDonald comes word new unofficial event held years Nats Virginia Beach Listen up Marietta GA Sky Rebels CL Club will sponsor unofficial Beginner Stunt event 1988 Nats Virginia Beach event will held 900 am Tuesday July 26 Pattern rules will per PAMPA Begin ner Pattern AMA Novice Pattern list ed current rule book Entry open anyone entered regular Nats CL Precision Aerobatics events Event Directors discretion will final concerning en trants might overqualified intent offer event yet ready Precision Aerobatics stimulate interest higher-level competition Prizes will Stunt-oriented merchandise such engines kits Copies PAMPA Beginner Pattern may obtained sending self-addressed stamped Continued page 162 Two-times World Champion Bill Werwages Berea OH OPS 40-powered tuned pipe original design 1987 US FAI CL team finals Indlanaplis 87 Use low-pitched prop lets engine run fast quetlyl keeping airpeed within reason Griner photo 66 Model Aviation Confrol Line Aerobatics Ted Fancher 158 FlyIng Cloud Isle Foster City CA 94404 gorgeous maroon-and-white ST 60-powered Nobler contest plane used fivetime-National Champion Bob Gieseke past two years However frustrated its performance has sold 60-engine support equipment Whatever hes built replace 1988 bound good Photo JB Griner Can believe National Champ Paul Walkers Bad News has yet win Concours dElegance Nats got 19 appearance points 87 Photo JB Griner photos Other tools accessories smaller drawers Rubber stuffer Jim Clems tool loading mo tors Manhattan Scale Bostonian models subject another months photos give idea size shaft /16-in welding rod notched side pieces styro foam sheet left over Dannon Yogurt contain ers after cut out Bostonian prop blades see photo December 1987 column wrongly identified Manhattan prop thread wrap epoxy completes job CL Happy Days/Kostecky Continued page 65 Tail surfaces Cut light C-grain balsa Add A6 plywood control horn mount elevator join elevators wire joiner Round edges taper rudder elevators Hinge stab elevator used nylon RC piano-type hinges Glue stabilizer assembly fuselage slot Add fin add rud der about /2 offset Covering finishing Glue 34 oz weight outboard tip Attach con trol horn bend elevator pushrod Slide plywood fair-lead onto pushrod epoxy fuselage really fastidious industrious builders con trols could enclosed fuselage attaching externally quicker eas ier suited fine Remove horn start finishing process multitude options finish ing dope-and-silkspan epoxy iron-ons youre planning build Stunt ship need experience dopes planes size doesnt rule out dope-and silkspan method like want quick results sacrificing durability following Sand everything 400 wet dry paper used dry Vacuum structure Cover wing MonoKote Mask wing covering about /~ edge meets planking fin ish apply overlaps seam seals Next apply heavy coat K&B epoxy primer dry sand smooth 400 paper too much grain showing re peat filler coat sand again youre fastidious spray coat K&B epoxy whole thing found can Black Baron Epoxy under bench brushed coat yellow came out looking acceptablecertainly concours quality far better planes 20 years ago Some striping tape Mono Kote trim well acetate cockpit fin ished job Dont hesitate experiment kinds miscellaneous extras proj ect wheel pants enclosed controls cockpit detail name few Learning techniques can aggravating can transfer experience advanced projects later Attach elevator horn solder retaining washer set wheels piece fuel line filter once engine muffler have bolted ready go Flying model just pleasant smooth forgiving plane fly Itll whole Precision Aerobatics pattern al though competitively Check center-of-gravity cant imag ine CG coming out anything other nose-heavy initially Fly way first adding tail weight until responds taste Sixty-foot lines 10-in six-pitch propeller used original taking challenge designing building Happy Days worth bet once weather schedule mood click drag out go flying brief shining spell Im 14-year-old kid again savoring mo ment did kid bike tripping over lines ck happy days golden halcyon days Control Line flight CL Aerobatics/Fancher Continued page 66 envelope Tom Dixon Beginner Pattern 1938 Peachtree Suite 401 Atlanta GA 30309 really great idea Sky Rebels continuing successful pat tern established Old-Time Stunt fliers providing well-administered unofficial events supplement official AMA Stunt events Nats particularly good idea should draw some people actually participate Nats might otherwise simply come spectateor perhaps might bother tend extra excitement comes actually participating Nationals ter rific stimulus persons interest Once bitten Nats bug tough shake st ask wives us Stunt junkies about youve reading since Stunts inception truly Precision event advent Nobler encourage passing thought sometime getting good enough fly Nats drop Tom line join fun wont regret Along similar lines although yet off drawing board proposal another supple mental event Doc Passen PO Box 111 Jasonville IN 47438 Doc spearheading group would like initiate what call Nostalgia Stunt event would similar concept now-familiar Old-Time Stunt event designs particular era would qualified competein case years 1953 1963 plan use 1957/58/59 AMA rules essentially same todays exception appear ance points range 16 40 points ex cept include intriguing statement maneuver description horizontal round square eights either inside outside loop may performed first Doc feels era has greater potential OTS number familiarity models qualify much larger familiar pre-1952 vintage OTS 162 Model Aviation 0 0 -h 0 0 z 0 z C, 0 -a 0 -o m m 0 Q C, CD -I CD C, 0 0 C, 0 CD 0 Co 31 0 N D S S. N x 5S& ci x S. Ci x S. x S. S. Ji x S. 0 x S. 0 x U fleet could well right talking about lot really beautiful designs step two removed performance top Pro-Stunters modem era Some Stunts greatest ships would qualify such Ares Argus Bill Werwage late great Steve Wooley Jim Silhaveys Gypsy Lew McFarlands great Ruffy Shark Jim Kosteckys beautiful Formula S would fill bill know Jims original Formula S models hang ing wall Art Schaeffers Hobby Shop suburban St Louis ong original Tucker Specials spectacular fliers back 1959 60 flew high Nats finishes piloted Ron OToole Schaeffer designer Bob Tucker Licklitters Ballerina original Sweeper Dick Williams Skylark Stills Stuka Stunter Palmers greatest design Thunderbird both its versions barely scratch surface huge number published kitted designs hearts blood Stuntsarguablyfinest hours would qualify exciting prospect such event entirely possible some original nostalgia-era ships might fact brought Out retirement just shining day sun sight Bob Gialdini flying spectac ular 1963-vintage Stingray 1987 Nats worth price admission itself Can imagine Aldrich Palmer McFarland Still Wil hams Silbaveyand oncoming out last shot big What great idea Con tact Doc above address encourage efforts just received another neat package stuff Joe Wagner 135 Waugh Ave New Wil mington PA 16142 Joes author fas cinating letters about history Stunt Veco era bulk Decem ber 1987/January 1988 columns Includedalong some nice letters indicat ing huge amount interest history Stuntwas set plans Veco Chief both standard kit configuration Super Chief flown himself Palmer pre Nobler George Aldrich $750 set planswith voluminous historical notes neatly includedare must items serious student event Ive studied hours have visitors feeling unanimous yourself favor get set yourself same subject George Aldrich himself turned Joes reminiscences dropped note indicating interest carry ing historical perspective years greatest involvement st Stunt community Im sure ait ef forts great anticipation George sets great example other pioneers event Throw aside false modesty w are memories continue tradition shadows contributions stand profit Lets change subject talk little about props Nothing deep just some grist old noodle zillions revolutions suppose old Tigre Max turns lap Would believe very darn little quick math proves 9000 rpm good nominal in-flight average actual number revs during classic 55-second lap 825 (9000/60 x 55 wild guess might place duration hard corner 25 50 seconds resulting revolutions period 375 75 nearly buzz saw envision Further food thought have led believe pitch labeled prop cannot directly translated forward motion aircraft prop attached due drag etc obviously true lets check Out little see what can learn quick math shows 70-ft lines forgetting moment additional length due pilots arm distance traveled lap 440 feet pi x 140 ft 439824 ft can easily determine revolutions necessary prop given pitch complete lap no allowance drag/efficiency six inches pitch prop must turn two revolu tions traverse foot math simple Two times number feet lap required number revolutions required case answer 880 revs complete evaluation divide 880 revs 55 clas sic lap time multiply 60 get rpm result 9600 rpm wait say just said 9000 rpm prop turns 825 turns per lap rse yet oniy set Belchfire 60 at 7800 rpm before launch know laps 55 per So whats wrong Good question say Franldy dont know couple possibilities questions come mind First obvious Stunt ships pretty darned clean comes QUAY BARBER MODELS I14 SHOESTRING N\ SiZe SEMIKIT $11995 KIT5154 Fmlak SEMIKIT $11995 EPOXY/OLASS/FOBAL\.iRiveSm KIT$15495 CONSTRUCTION WITH DRAWINGS AND DATA FOR FORMULA 120 PYLON SPORT OR STANDOFF SCALE FLLL OR SEMIKITS Cosmic 8 10 lbs weight Wind 790 sq wing ares SEMIKIT $10995 60 2 stroke 12 4 stroke KIT $14495 skit prices plus shipping scredit csrds welcome Ohio residents add 6 I216 7776172 27106 Butternut RidgeNOrth Olmeled Ohio 44070 drag because math shows looking pretty darn good efficiency numbers Second actually operating lot high er rpm air know prop unloads release ship doesnt sound much faster air Weve got find sonic indicator actually measure in-flight rpm learn info might look Rich Porters article Musical Tach January 1981 issue magazine get good idea might get in-flight rpm value sure read fine print back page 111 RMcM Another factor pitch measure backside blade technically slightly less actual pitch take cambered airfoil consideration Because props airfoil flat-bottomed fact its angle zero lift would slightly negative airflow ergo pitch station prop slightly measured standard pitch gauge What thoughts ap parent enigma last puzzler level flight constant speed would airflow behind prop disk greater general airflow over entire airplane at consequences would have control effectiveness Obviously discussion propellers could prove valuable Look forward will April 1988 163 n looking sport exhibition biplane has filled IIItiIo4W fine tine Icks aiw ms8hlne cut assist buildks S tpbw gives greatest potential tor~ wry slow close-In type flight right ctp SCALE GLIDERS Jel Coated Fuselages Wings Covered Obechi Basic Kits ASW 17 4M$289 Salto 38 44M$475 components available separately details cell write 213-828-2300 SM SAl IPIANES 2703 Santa Monica Blvd Santa Monica CA 90404