eS4 veF Thand.. deling mo ofmy y interest has Car h took air 1960 120 Model Aviation 4were ml Black sior number concepts earlier projects utilized Sky Dancer originally being finished Black Tiger colors minus tiger teeth Desiring somewhat unusual design incorporated idea swept wing evolved shape Trixie profile Stunt kit built few years before years 1960-1988 Sky Dancer wasnt actively campaigned control line competition Therefore until recently has relatively unknown 1988 wanted resume active flying retrieved original Sky Dancer storage made repairs returned service Soon thereafter found Sky Dancer qualified PAMPA Precision Aerobatics Model Pilots Association Classic Stunt competition event have used extensively activity rapidly growing event vintage airplanes designed prior 1969 flying history original Sky Dancer finally ended crash late 1992 Sky Dancer No 2 hurriedly constructed time 1993 Vintage Stunt Championships contest Sky Dancers have also built fellow club members William Davis Larry Draughn Sky Dancers have flown Vintage Stunt Championships local contests good results Sky Dancer has proven versatile airplane both Classic Event AMA Skill Classes Sky Dancer can provide unique airplane vintage event preferred just fun build fly airplane CONSTRUCTION Sky Dancers basic construction quite simple straightforward Most materials readily available However some unique parts engines modified good Stunt characteristics etc consider several specialty sources advertise monthly PAMPA publication Stunt News see PAMPAs address end article Quite often two sources specific type December 1994 121 Top view Sky Dancers basic assembly Target weight finished model 40-45 ounces Wing framework ready leading edge sheeting final assembly Sky Dancer #2 uses OS 35 FP engine P 4 Type CL Classic Stunt Wingspan 5425 inches Engine size/stype 35-40 Flying weight 40-45 ounces Type construction Builtup Covering/finish Silkspan over nylon open areas clear dope Sky Dancer fleet L-R William Davis Curtis Coiner Larry Draughn Design Sky Dancer dates 1960 WIWB Z1IDXDWIAOAS 1Sf IA 156 AA%BO AT 224 D PBAa T1 6 ARS BYK NIMVALS ANT BAAMAS Ti-F OJTThAR WIASAT 2 328 MMAA4 CDCD W7F WA ~ IIBALSAWIAM BBASFIAT ___if BALSA 2 SF83 TIS LSA S 87S 1118 BALSA TWAIPAS114 BIJANT 8655 WMTBOTWAIBO~- TO MATOl AB4TUSA114 BALSA B-MT R 1TO2CESCI *ATCIACWWIT1/2 X 3/8 MARE NC/liSA Sf31418 3/BTM/B BALSA FILSAAL 1/ 4 BALSA B-MT B C/B B OMy- 1164 TO FITF F /18 BALSA TIP 6CC/ /ao TO 1/8 T14221632F -______________________1F N II 2 W-ms 1234BB7B B14II12 REVAItA 18144 ~1 BALSA IWA 2 Fif BALSA FILBA 18 BALSA F-2 BALSA FILM RC83 J-jil -M1tII FIYL4ASBO IlI1 OJILIJI FIP AS IEOI OJTCIJT 283-18]1/8 BALSA AS IEQJFED SKY DANCER 3 AUB418J4SGNED BY CURTIS OOMER IDE Ft/B A/BELB-IJBAS MAR DRA\MJ BY JcHJ HAGAN 583415B-REf -L 0 0 CD 0 Inquire information pick source choice competitive performance aim final weight 40- 45ounce range However airplane still performs well slightly overweight light weight wood isnt available try substituting thinner wood medium density some locations adhesives use traditional solvent-type glue external locations ease sanding finishing Cyanoacrylate CyA adhesive can speed process internal assembly tasks Use slow-curing epoxy specified anywhere else desire maximum strength Wing The wing probably complex part Sky Dancer isnt difficult may first appear prefer assemble wing flat building board normally build wing jig should encounter no problems wing may either assembled piece built two pieces joined used two-piece process laying out wing note inboard half has 3/4 inch greater span space ribs accordingly Trim square trailing-edge strip match taper ribs glue trailing edge bottom sheet Place 1/16 sheet spacer building board short distance front trailing edge ribs will correctly elevated Glue ribs trailing edge strip bottom sheet Pin both spars leading-edge strip position align everything support needed before gluing Glue trailing edge top sheet position add shear webs between trailing edge sheets Glue leading edge top sheet top spar Dampen outer surface sheet help curl around ribs leading edge Remove wing building board turn over secure building board Finish gluing sheet ribs leading edge strip Repeat process install leading edge bottom sheet Add top bottom rib capstrips Test-fit wing halves adjust needed good alignment Apply epoxy join two center ribs secure trailing edge building board Before epoxy cures sure trailing edge straight leading edge same distance above building board wingtip Install bellerank leadout wires using either flexible cable 1/32 music wire Sig three-inch bellerank Sullivan C-D size flexible cable works well prevent cable wearing nylon bellcrank attach short pieces /32 3/54 music wire bellerank connect cable fabricated flap elevator control horns length shown gives desired geometry provides system reasonable leadout travel control sensitivity should approximated purchased components used Control horns 3/33 wire have proven adequate airplane good idea lay out verify control motions paper before making final installation install stops limit bellerank motion about 50o Some type adjustable-length flap pushrod should used two piece pushrod soldered together brass tubing has worked well Verify complete wing alignment last time add shear webs between spars Prepare large piece center sheeting gluing several sheets together Cut fit top bottom center areas glue place Apply fiberglass cloth epoxy strengthen center joint wing now resistant twist will maintain alignment well during covering painting Prepare weight box outboard wingtip securing individual weights place during flight trimming Prepare flaps flap horn assembly Use medium-weight balsa stiff straight Use favorite method horn installation bond epoxy put basswood strips flaps inserted flap horn strips Hinge flaps wing using Continued page 127 December 1994 123 Sky Dancer/Corner Continued page 123 favorite method used full-span fabric hinges 005 polyester taffeta gives benefit sealed hinge line Make initial hinges fuselage about inch wide about 2 inches wide subsequent hinges Apply masking tape trailing edge flaps about /2 inch hinge line give straight edge installing hinges uniform overlap Connect pushrod flap horn adjust length bellcrank flaps centered have equal motion free movement throughout full travel Trim flaps correct length attach wingtips Fuselage If possible determine what motor muffler combination will use before beginning construction nose length about right lightweight system such Fox 35 05 Max 35 using tongue-type muffler heavier engine such OS FP 35 stock muffler best shorten nose least 12 inch Fox /2-inch prop shaft extension good way move engine weight toward rear Verify adequate room remains fuel tank four- ounce tank should adequate sure have proven engine gives good Stunt run especially using Schnuerle-ported engine Use epoxy assemble engine crutch needed increase width slightly accept engine fuel tank stock fuel tanks two inches wide Locate F-i match position engine Note crutch spaced mounts 1/8 inch below top edge fuselage sides Drill engine mount holes provide approximately 10 offset Add 4-40 blind nuts test-fit engine Make fuselage sides little extra length nose use epoxy laminate plywood doublers Position crutch fuselage sides upside down building board align everything S bond together epoxyPrepare Formers F-3 F-4 rear filler block Position align fuselage ajig and/or templates glue everything place Adding some diagonal braces between fuselages sides both top bottom will make twist-resistant structure Use lightweight balsa top block Tack-glue place carve approximately final shape top block still temporarily place install wing Cut fuselage sides below wing Carefully align wing fuselage secure epoxy Use epoxy put fuselage cutouts back place add 1/32 plywood doublers over joints Remove top block hollow approximately /s wall thickness Add bellcrank shaft top bottom supports Bolt landing gear mounting plate position fuselage secure epoxy Empennage Make stabilizer elevator light- medium-weight balsa stiff straight Make cutouts lightness add ribs Substitute built-up solid construction dont want open bays Add elevator horn hinges same method used flaps Cut fin rudder lightweight balsa Final Assembly Prepare elevator pushrod Trial-fit stabilizer elevator pushrod fuselage elevator flaps should simultaneously neutral position have full motion no binding set up elevator horn pushrod almost no built-in looseness have found airplane will still track well level flight Carefully align stabilizer elevator fuselage wing flap hinge line before gluing Lubricate metal-to-metal contact points control linkage Glue top block place Prepare tail wheel mounting assembly attach epoxy Add fuselage bottom sheeting Mount motor engine /8 aluminum spacers adjust about 10 offset engine semi-enclosed fixed Flying Precision Aeroi atics a. * Pilots Manual * * For competition sport flyers pilots want fly safer crosawinds big bird pilots like fly ptetseiy crosawinds sport flyers want improve flying crosswinds W0* b pilots want learn pros STEALTHwind corrections W***A**00** jggWg pilots feghnlqves discussed author has placed top 3 Nets 4 tImes CROSSWIND CORRECTION CHART INCLUDED lusts control inputs various flight condtionst Highly illustrated CAD Drawings der send $845 S&H Gwnsteae Pidilleotlons 3502 West 96th Circle~ Westminster CO 80030 Attn Dept M Colorado residents add 78% ERVO MME etodel KMI 921 anacin bled $2495 4ode1 KMI 921K kit $t995 Size. 175 x 275 x 130 Drives ANY modern servo Use favourite connector Available kit built-up REVERSE M*TE Servo reversing module installed between Rx Servo Adjusts/sets netutral reverses dirction servo Supplied wires add connectors match system Assembled tested $1995 SERVICE SAE atalog Ace Alrtronlcs Arlsto-Craft Cirrus Futaba Hioc Hobby Shack J R K-Line K 0 Propo Kraff Novak Pro-Une ROD Tower Hobbles etc. FACTORY TRAINED AUTHORIZED WARRANTY Hours 800 am 500pm EST weekdays call Air Saturday December 1994 127 SALES AND SERVICE FOR EVERYTHING R/C SHAFT MIDWEST INC 7420 SEVEN MILE NORTHVILLE HI 48107 0104004000 FAX BIO4001005 0 0 0 0 Great Video wifes stocking -Santa Claus Beginners Guide R/C Airplane Covering r Confidence video enables beginner cover model professional results Ih 40ni, Easy follow presentation Third C@a8t alitf Film video Productions 5299F 847-9104 5&H Holiday Season 20 Summit Dr west wimhertey TX 75676 SPECIALIST IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S 074S & 09S ALL CUSTOM & STOCK PARTS AVAILABLE INDIVIDUALLY UUMPETITION ACCESSORIES RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF TUBING THREE BRANDS OF GLOW PLUGS HARD-TO-FIND HARDWARE OLD TIMER SUPPLIES COILS CONDENSERS NGK & STIlT SPARK PLUGS SILK 8 COLORS QUALITY DOPE BRUSHES 5 & r LOOP 114 RUBBERBANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 112A TEXACO PLAYBOY SR KIT 1I2A TEXACO ENGINES & PARTS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLATES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING HANDLING AND INSURANCE FEE $395 STOCK ORDERS SHIPPED WITHIN 24 HRS cowling Cut sides top block allow plywood nose ring give desired gap spinner Attach nose ring add filler blocks needed shape nose top block final configuration Apply 112 ounce fiberglass cloth epoxy finishing resin nose area wing forward sand smooth finish Cut openings muffler needle valve Cut bubble canopy fit Sig eightor nine-inch canopy works well Add cockpit detail desired glue canopy place epoxy Set rudder about 3/ offset Epoxy fin epoxy assembly fuselage Apply fillet material such Sig Epoxolite around wing stabilizer fin cockpit removable adjustable fuel tank recommended several good methods use used 4-40 bolt through tank center blind nut secured between engine mounts easiest tank built scratch kitThe center hole tank fabricated soldering I32 brass eyelets top bottom surfaces piece 1/g brass tubing soldered within eyelets seal structure prevent crushing tank mounting screw tightened fuselage area below tank may left open covered removable hatch desired Covering Finish Use favorite method final covering finish achieve result desired used Sig dope goal applying reasonably nice lightweight finish use following steps may somewhat unusual Apply thin coat clear epoxy paint such K&B Superpoxy seal wood glue joints fabric hinges etc Sand well apply clear dope Apply Dave Brown Skyloft spun nylon over open areas give good puncture resistance Follow lightweight 00 silkspan over Skyloft remainder airplane usual process dope finishes Power System original Sky Dancer powered Fox 35 tongue-type muffler Sky Dancer #2 uses OS FP 35 modified stock muffler two Sky Dancers built others use OS Max 35s tongue-type mufflers Although Max 35s no longer available new used rebuilt engines can still found individuals specialty suppliers modify FP 35 provide type engine run prefer consistent fairly fast power systems have worked well Choose system prefer tune best possible performance Flying Trimming As Stunt airplanes 1960 vintage somewhat limited adjustability However considerable amount tuning refining can still done airplane power system control system etc Read everything can find subject Trimming never-ending process should find over time Sky Dancer continually improving Without going extensive detail following basic steps have worked 11 have found following settings about right should good starting point new Sky Dancer Center gravity CG 6/4 inches front flap hinge line 3 rudder offset 10 engine offset ounce tip weight 62- 64-foot lines 37/s inch handle spacing 21 use low prop pitch possible will still deliver desired lap times usually five pitch slightly less 3 During initial flights verify wing level same position both upright inverted necessary tweak flap horn correct variation 4 Adjust fuel tank height obtain same engine speed upright inverted 5 Experiment needed above variables plus engine settings glow plugs fuel lap speed sealed hinge lines trim tabs etc until satisfied overall handling Over years Sky Dancer has interesting enjoyable airplane hope can same information Classic Stunt contact PAMPA 327 Pueblo Pass Anniston AL 36206 IN CONTROL i7 Losing control can nightmare wrong response given command can take its toll model nerves wallet Radio South know feel about hobby too avid RC enthusiasts nearly half century combined experience modeling radio repair So avoid inflated repair costs undue service time Radio South fast economical in-house radio service can depend Radio South customer satisfaction isnt just motto Its way life Let us put back control H5 ne 3702 N Pace Pensacola FL 32505 repair information 904 434-0909 1-800-962-7802 Toll Free Order Line lOrders Only Pleasell 128 Model Aviation 11EV-UP INVENIOHY AVERAGES OVER 9000 PROPSIII IMMEDIATE SHIPMENT VISA/MC II 1
Edition: Model Aviation - 1994/12
Page Numbers: 120, 121, 122, 123, 127, 128
eS4 veF Thand.. deling mo ofmy y interest has Car h took air 1960 120 Model Aviation 4were ml Black sior number concepts earlier projects utilized Sky Dancer originally being finished Black Tiger colors minus tiger teeth Desiring somewhat unusual design incorporated idea swept wing evolved shape Trixie profile Stunt kit built few years before years 1960-1988 Sky Dancer wasnt actively campaigned control line competition Therefore until recently has relatively unknown 1988 wanted resume active flying retrieved original Sky Dancer storage made repairs returned service Soon thereafter found Sky Dancer qualified PAMPA Precision Aerobatics Model Pilots Association Classic Stunt competition event have used extensively activity rapidly growing event vintage airplanes designed prior 1969 flying history original Sky Dancer finally ended crash late 1992 Sky Dancer No 2 hurriedly constructed time 1993 Vintage Stunt Championships contest Sky Dancers have also built fellow club members William Davis Larry Draughn Sky Dancers have flown Vintage Stunt Championships local contests good results Sky Dancer has proven versatile airplane both Classic Event AMA Skill Classes Sky Dancer can provide unique airplane vintage event preferred just fun build fly airplane CONSTRUCTION Sky Dancers basic construction quite simple straightforward Most materials readily available However some unique parts engines modified good Stunt characteristics etc consider several specialty sources advertise monthly PAMPA publication Stunt News see PAMPAs address end article Quite often two sources specific type December 1994 121 Top view Sky Dancers basic assembly Target weight finished model 40-45 ounces Wing framework ready leading edge sheeting final assembly Sky Dancer #2 uses OS 35 FP engine P 4 Type CL Classic Stunt Wingspan 5425 inches Engine size/stype 35-40 Flying weight 40-45 ounces Type construction Builtup Covering/finish Silkspan over nylon open areas clear dope Sky Dancer fleet L-R William Davis Curtis Coiner Larry Draughn Design Sky Dancer dates 1960 WIWB Z1IDXDWIAOAS 1Sf IA 156 AA%BO AT 224 D PBAa T1 6 ARS BYK NIMVALS ANT BAAMAS Ti-F OJTThAR WIASAT 2 328 MMAA4 CDCD W7F WA ~ IIBALSAWIAM BBASFIAT ___if BALSA 2 SF83 TIS LSA S 87S 1118 BALSA TWAIPAS114 BIJANT 8655 WMTBOTWAIBO~- TO MATOl AB4TUSA114 BALSA B-MT R 1TO2CESCI *ATCIACWWIT1/2 X 3/8 MARE NC/liSA Sf31418 3/BTM/B BALSA FILSAAL 1/ 4 BALSA B-MT B C/B B OMy- 1164 TO FITF F /18 BALSA TIP 6CC/ /ao TO 1/8 T14221632F -______________________1F N II 2 W-ms 1234BB7B B14II12 REVAItA 18144 ~1 BALSA IWA 2 Fif BALSA FILBA 18 BALSA F-2 BALSA FILM RC83 J-jil -M1tII FIYL4ASBO IlI1 OJILIJI FIP AS IEOI OJTCIJT 283-18]1/8 BALSA AS IEQJFED SKY DANCER 3 AUB418J4SGNED BY CURTIS OOMER IDE Ft/B A/BELB-IJBAS MAR DRA\MJ BY JcHJ HAGAN 583415B-REf -L 0 0 CD 0 Inquire information pick source choice competitive performance aim final weight 40- 45ounce range However airplane still performs well slightly overweight light weight wood isnt available try substituting thinner wood medium density some locations adhesives use traditional solvent-type glue external locations ease sanding finishing Cyanoacrylate CyA adhesive can speed process internal assembly tasks Use slow-curing epoxy specified anywhere else desire maximum strength Wing The wing probably complex part Sky Dancer isnt difficult may first appear prefer assemble wing flat building board normally build wing jig should encounter no problems wing may either assembled piece built two pieces joined used two-piece process laying out wing note inboard half has 3/4 inch greater span space ribs accordingly Trim square trailing-edge strip match taper ribs glue trailing edge bottom sheet Place 1/16 sheet spacer building board short distance front trailing edge ribs will correctly elevated Glue ribs trailing edge strip bottom sheet Pin both spars leading-edge strip position align everything support needed before gluing Glue trailing edge top sheet position add shear webs between trailing edge sheets Glue leading edge top sheet top spar Dampen outer surface sheet help curl around ribs leading edge Remove wing building board turn over secure building board Finish gluing sheet ribs leading edge strip Repeat process install leading edge bottom sheet Add top bottom rib capstrips Test-fit wing halves adjust needed good alignment Apply epoxy join two center ribs secure trailing edge building board Before epoxy cures sure trailing edge straight leading edge same distance above building board wingtip Install bellerank leadout wires using either flexible cable 1/32 music wire Sig three-inch bellerank Sullivan C-D size flexible cable works well prevent cable wearing nylon bellcrank attach short pieces /32 3/54 music wire bellerank connect cable fabricated flap elevator control horns length shown gives desired geometry provides system reasonable leadout travel control sensitivity should approximated purchased components used Control horns 3/33 wire have proven adequate airplane good idea lay out verify control motions paper before making final installation install stops limit bellerank motion about 50o Some type adjustable-length flap pushrod should used two piece pushrod soldered together brass tubing has worked well Verify complete wing alignment last time add shear webs between spars Prepare large piece center sheeting gluing several sheets together Cut fit top bottom center areas glue place Apply fiberglass cloth epoxy strengthen center joint wing now resistant twist will maintain alignment well during covering painting Prepare weight box outboard wingtip securing individual weights place during flight trimming Prepare flaps flap horn assembly Use medium-weight balsa stiff straight Use favorite method horn installation bond epoxy put basswood strips flaps inserted flap horn strips Hinge flaps wing using Continued page 127 December 1994 123 Sky Dancer/Corner Continued page 123 favorite method used full-span fabric hinges 005 polyester taffeta gives benefit sealed hinge line Make initial hinges fuselage about inch wide about 2 inches wide subsequent hinges Apply masking tape trailing edge flaps about /2 inch hinge line give straight edge installing hinges uniform overlap Connect pushrod flap horn adjust length bellcrank flaps centered have equal motion free movement throughout full travel Trim flaps correct length attach wingtips Fuselage If possible determine what motor muffler combination will use before beginning construction nose length about right lightweight system such Fox 35 05 Max 35 using tongue-type muffler heavier engine such OS FP 35 stock muffler best shorten nose least 12 inch Fox /2-inch prop shaft extension good way move engine weight toward rear Verify adequate room remains fuel tank four- ounce tank should adequate sure have proven engine gives good Stunt run especially using Schnuerle-ported engine Use epoxy assemble engine crutch needed increase width slightly accept engine fuel tank stock fuel tanks two inches wide Locate F-i match position engine Note crutch spaced mounts 1/8 inch below top edge fuselage sides Drill engine mount holes provide approximately 10 offset Add 4-40 blind nuts test-fit engine Make fuselage sides little extra length nose use epoxy laminate plywood doublers Position crutch fuselage sides upside down building board align everything S bond together epoxyPrepare Formers F-3 F-4 rear filler block Position align fuselage ajig and/or templates glue everything place Adding some diagonal braces between fuselages sides both top bottom will make twist-resistant structure Use lightweight balsa top block Tack-glue place carve approximately final shape top block still temporarily place install wing Cut fuselage sides below wing Carefully align wing fuselage secure epoxy Use epoxy put fuselage cutouts back place add 1/32 plywood doublers over joints Remove top block hollow approximately /s wall thickness Add bellcrank shaft top bottom supports Bolt landing gear mounting plate position fuselage secure epoxy Empennage Make stabilizer elevator light- medium-weight balsa stiff straight Make cutouts lightness add ribs Substitute built-up solid construction dont want open bays Add elevator horn hinges same method used flaps Cut fin rudder lightweight balsa Final Assembly Prepare elevator pushrod Trial-fit stabilizer elevator pushrod fuselage elevator flaps should simultaneously neutral position have full motion no binding set up elevator horn pushrod almost no built-in looseness have found airplane will still track well level flight Carefully align stabilizer elevator fuselage wing flap hinge line before gluing Lubricate metal-to-metal contact points control linkage Glue top block place Prepare tail wheel mounting assembly attach epoxy Add fuselage bottom sheeting Mount motor engine /8 aluminum spacers adjust about 10 offset engine semi-enclosed fixed Flying Precision Aeroi atics a. * Pilots Manual * * For competition sport flyers pilots want fly safer crosawinds big bird pilots like fly ptetseiy crosawinds sport flyers want improve flying crosswinds W0* b pilots want learn pros STEALTHwind corrections W***A**00** jggWg pilots feghnlqves discussed author has placed top 3 Nets 4 tImes CROSSWIND CORRECTION CHART INCLUDED lusts control inputs various flight condtionst Highly illustrated CAD Drawings der send $845 S&H Gwnsteae Pidilleotlons 3502 West 96th Circle~ Westminster CO 80030 Attn Dept M Colorado residents add 78% ERVO MME etodel KMI 921 anacin bled $2495 4ode1 KMI 921K kit $t995 Size. 175 x 275 x 130 Drives ANY modern servo Use favourite connector Available kit built-up REVERSE M*TE Servo reversing module installed between Rx Servo Adjusts/sets netutral reverses dirction servo Supplied wires add connectors match system Assembled tested $1995 SERVICE SAE atalog Ace Alrtronlcs Arlsto-Craft Cirrus Futaba Hioc Hobby Shack J R K-Line K 0 Propo Kraff Novak Pro-Une ROD Tower Hobbles etc. FACTORY TRAINED AUTHORIZED WARRANTY Hours 800 am 500pm EST weekdays call Air Saturday December 1994 127 SALES AND SERVICE FOR EVERYTHING R/C SHAFT MIDWEST INC 7420 SEVEN MILE NORTHVILLE HI 48107 0104004000 FAX BIO4001005 0 0 0 0 Great Video wifes stocking -Santa Claus Beginners Guide R/C Airplane Covering r Confidence video enables beginner cover model professional results Ih 40ni, Easy follow presentation Third C@a8t alitf Film video Productions 5299F 847-9104 5&H Holiday Season 20 Summit Dr west wimhertey TX 75676 SPECIALIST IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S 074S & 09S ALL CUSTOM & STOCK PARTS AVAILABLE INDIVIDUALLY UUMPETITION ACCESSORIES RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF TUBING THREE BRANDS OF GLOW PLUGS HARD-TO-FIND HARDWARE OLD TIMER SUPPLIES COILS CONDENSERS NGK & STIlT SPARK PLUGS SILK 8 COLORS QUALITY DOPE BRUSHES 5 & r LOOP 114 RUBBERBANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 112A TEXACO PLAYBOY SR KIT 1I2A TEXACO ENGINES & PARTS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLATES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING HANDLING AND INSURANCE FEE $395 STOCK ORDERS SHIPPED WITHIN 24 HRS cowling Cut sides top block allow plywood nose ring give desired gap spinner Attach nose ring add filler blocks needed shape nose top block final configuration Apply 112 ounce fiberglass cloth epoxy finishing resin nose area wing forward sand smooth finish Cut openings muffler needle valve Cut bubble canopy fit Sig eightor nine-inch canopy works well Add cockpit detail desired glue canopy place epoxy Set rudder about 3/ offset Epoxy fin epoxy assembly fuselage Apply fillet material such Sig Epoxolite around wing stabilizer fin cockpit removable adjustable fuel tank recommended several good methods use used 4-40 bolt through tank center blind nut secured between engine mounts easiest tank built scratch kitThe center hole tank fabricated soldering I32 brass eyelets top bottom surfaces piece 1/g brass tubing soldered within eyelets seal structure prevent crushing tank mounting screw tightened fuselage area below tank may left open covered removable hatch desired Covering Finish Use favorite method final covering finish achieve result desired used Sig dope goal applying reasonably nice lightweight finish use following steps may somewhat unusual Apply thin coat clear epoxy paint such K&B Superpoxy seal wood glue joints fabric hinges etc Sand well apply clear dope Apply Dave Brown Skyloft spun nylon over open areas give good puncture resistance Follow lightweight 00 silkspan over Skyloft remainder airplane usual process dope finishes Power System original Sky Dancer powered Fox 35 tongue-type muffler Sky Dancer #2 uses OS FP 35 modified stock muffler two Sky Dancers built others use OS Max 35s tongue-type mufflers Although Max 35s no longer available new used rebuilt engines can still found individuals specialty suppliers modify FP 35 provide type engine run prefer consistent fairly fast power systems have worked well Choose system prefer tune best possible performance Flying Trimming As Stunt airplanes 1960 vintage somewhat limited adjustability However considerable amount tuning refining can still done airplane power system control system etc Read everything can find subject Trimming never-ending process should find over time Sky Dancer continually improving Without going extensive detail following basic steps have worked 11 have found following settings about right should good starting point new Sky Dancer Center gravity CG 6/4 inches front flap hinge line 3 rudder offset 10 engine offset ounce tip weight 62- 64-foot lines 37/s inch handle spacing 21 use low prop pitch possible will still deliver desired lap times usually five pitch slightly less 3 During initial flights verify wing level same position both upright inverted necessary tweak flap horn correct variation 4 Adjust fuel tank height obtain same engine speed upright inverted 5 Experiment needed above variables plus engine settings glow plugs fuel lap speed sealed hinge lines trim tabs etc until satisfied overall handling Over years Sky Dancer has interesting enjoyable airplane hope can same information Classic Stunt contact PAMPA 327 Pueblo Pass Anniston AL 36206 IN CONTROL i7 Losing control can nightmare wrong response given command can take its toll model nerves wallet Radio South know feel about hobby too avid RC enthusiasts nearly half century combined experience modeling radio repair So avoid inflated repair costs undue service time Radio South fast economical in-house radio service can depend Radio South customer satisfaction isnt just motto Its way life Let us put back control H5 ne 3702 N Pace Pensacola FL 32505 repair information 904 434-0909 1-800-962-7802 Toll Free Order Line lOrders Only Pleasell 128 Model Aviation 11EV-UP INVENIOHY AVERAGES OVER 9000 PROPSIII IMMEDIATE SHIPMENT VISA/MC II 1
Edition: Model Aviation - 1994/12
Page Numbers: 120, 121, 122, 123, 127, 128
eS4 veF Thand.. deling mo ofmy y interest has Car h took air 1960 120 Model Aviation 4were ml Black sior number concepts earlier projects utilized Sky Dancer originally being finished Black Tiger colors minus tiger teeth Desiring somewhat unusual design incorporated idea swept wing evolved shape Trixie profile Stunt kit built few years before years 1960-1988 Sky Dancer wasnt actively campaigned control line competition Therefore until recently has relatively unknown 1988 wanted resume active flying retrieved original Sky Dancer storage made repairs returned service Soon thereafter found Sky Dancer qualified PAMPA Precision Aerobatics Model Pilots Association Classic Stunt competition event have used extensively activity rapidly growing event vintage airplanes designed prior 1969 flying history original Sky Dancer finally ended crash late 1992 Sky Dancer No 2 hurriedly constructed time 1993 Vintage Stunt Championships contest Sky Dancers have also built fellow club members William Davis Larry Draughn Sky Dancers have flown Vintage Stunt Championships local contests good results Sky Dancer has proven versatile airplane both Classic Event AMA Skill Classes Sky Dancer can provide unique airplane vintage event preferred just fun build fly airplane CONSTRUCTION Sky Dancers basic construction quite simple straightforward Most materials readily available However some unique parts engines modified good Stunt characteristics etc consider several specialty sources advertise monthly PAMPA publication Stunt News see PAMPAs address end article Quite often two sources specific type December 1994 121 Top view Sky Dancers basic assembly Target weight finished model 40-45 ounces Wing framework ready leading edge sheeting final assembly Sky Dancer #2 uses OS 35 FP engine P 4 Type CL Classic Stunt Wingspan 5425 inches Engine size/stype 35-40 Flying weight 40-45 ounces Type construction Builtup Covering/finish Silkspan over nylon open areas clear dope Sky Dancer fleet L-R William Davis Curtis Coiner Larry Draughn Design Sky Dancer dates 1960 WIWB Z1IDXDWIAOAS 1Sf IA 156 AA%BO AT 224 D PBAa T1 6 ARS BYK NIMVALS ANT BAAMAS Ti-F OJTThAR WIASAT 2 328 MMAA4 CDCD W7F WA ~ IIBALSAWIAM BBASFIAT ___if BALSA 2 SF83 TIS LSA S 87S 1118 BALSA TWAIPAS114 BIJANT 8655 WMTBOTWAIBO~- TO MATOl AB4TUSA114 BALSA B-MT R 1TO2CESCI *ATCIACWWIT1/2 X 3/8 MARE NC/liSA Sf31418 3/BTM/B BALSA FILSAAL 1/ 4 BALSA B-MT B C/B B OMy- 1164 TO FITF F /18 BALSA TIP 6CC/ /ao TO 1/8 T14221632F -______________________1F N II 2 W-ms 1234BB7B B14II12 REVAItA 18144 ~1 BALSA IWA 2 Fif BALSA FILBA 18 BALSA F-2 BALSA FILM RC83 J-jil -M1tII FIYL4ASBO IlI1 OJILIJI FIP AS IEOI OJTCIJT 283-18]1/8 BALSA AS IEQJFED SKY DANCER 3 AUB418J4SGNED BY CURTIS OOMER IDE Ft/B A/BELB-IJBAS MAR DRA\MJ BY JcHJ HAGAN 583415B-REf -L 0 0 CD 0 Inquire information pick source choice competitive performance aim final weight 40- 45ounce range However airplane still performs well slightly overweight light weight wood isnt available try substituting thinner wood medium density some locations adhesives use traditional solvent-type glue external locations ease sanding finishing Cyanoacrylate CyA adhesive can speed process internal assembly tasks Use slow-curing epoxy specified anywhere else desire maximum strength Wing The wing probably complex part Sky Dancer isnt difficult may first appear prefer assemble wing flat building board normally build wing jig should encounter no problems wing may either assembled piece built two pieces joined used two-piece process laying out wing note inboard half has 3/4 inch greater span space ribs accordingly Trim square trailing-edge strip match taper ribs glue trailing edge bottom sheet Place 1/16 sheet spacer building board short distance front trailing edge ribs will correctly elevated Glue ribs trailing edge strip bottom sheet Pin both spars leading-edge strip position align everything support needed before gluing Glue trailing edge top sheet position add shear webs between trailing edge sheets Glue leading edge top sheet top spar Dampen outer surface sheet help curl around ribs leading edge Remove wing building board turn over secure building board Finish gluing sheet ribs leading edge strip Repeat process install leading edge bottom sheet Add top bottom rib capstrips Test-fit wing halves adjust needed good alignment Apply epoxy join two center ribs secure trailing edge building board Before epoxy cures sure trailing edge straight leading edge same distance above building board wingtip Install bellerank leadout wires using either flexible cable 1/32 music wire Sig three-inch bellerank Sullivan C-D size flexible cable works well prevent cable wearing nylon bellcrank attach short pieces /32 3/54 music wire bellerank connect cable fabricated flap elevator control horns length shown gives desired geometry provides system reasonable leadout travel control sensitivity should approximated purchased components used Control horns 3/33 wire have proven adequate airplane good idea lay out verify control motions paper before making final installation install stops limit bellerank motion about 50o Some type adjustable-length flap pushrod should used two piece pushrod soldered together brass tubing has worked well Verify complete wing alignment last time add shear webs between spars Prepare large piece center sheeting gluing several sheets together Cut fit top bottom center areas glue place Apply fiberglass cloth epoxy strengthen center joint wing now resistant twist will maintain alignment well during covering painting Prepare weight box outboard wingtip securing individual weights place during flight trimming Prepare flaps flap horn assembly Use medium-weight balsa stiff straight Use favorite method horn installation bond epoxy put basswood strips flaps inserted flap horn strips Hinge flaps wing using Continued page 127 December 1994 123 Sky Dancer/Corner Continued page 123 favorite method used full-span fabric hinges 005 polyester taffeta gives benefit sealed hinge line Make initial hinges fuselage about inch wide about 2 inches wide subsequent hinges Apply masking tape trailing edge flaps about /2 inch hinge line give straight edge installing hinges uniform overlap Connect pushrod flap horn adjust length bellcrank flaps centered have equal motion free movement throughout full travel Trim flaps correct length attach wingtips Fuselage If possible determine what motor muffler combination will use before beginning construction nose length about right lightweight system such Fox 35 05 Max 35 using tongue-type muffler heavier engine such OS FP 35 stock muffler best shorten nose least 12 inch Fox /2-inch prop shaft extension good way move engine weight toward rear Verify adequate room remains fuel tank four- ounce tank should adequate sure have proven engine gives good Stunt run especially using Schnuerle-ported engine Use epoxy assemble engine crutch needed increase width slightly accept engine fuel tank stock fuel tanks two inches wide Locate F-i match position engine Note crutch spaced mounts 1/8 inch below top edge fuselage sides Drill engine mount holes provide approximately 10 offset Add 4-40 blind nuts test-fit engine Make fuselage sides little extra length nose use epoxy laminate plywood doublers Position crutch fuselage sides upside down building board align everything S bond together epoxyPrepare Formers F-3 F-4 rear filler block Position align fuselage ajig and/or templates glue everything place Adding some diagonal braces between fuselages sides both top bottom will make twist-resistant structure Use lightweight balsa top block Tack-glue place carve approximately final shape top block still temporarily place install wing Cut fuselage sides below wing Carefully align wing fuselage secure epoxy Use epoxy put fuselage cutouts back place add 1/32 plywood doublers over joints Remove top block hollow approximately /s wall thickness Add bellcrank shaft top bottom supports Bolt landing gear mounting plate position fuselage secure epoxy Empennage Make stabilizer elevator light- medium-weight balsa stiff straight Make cutouts lightness add ribs Substitute built-up solid construction dont want open bays Add elevator horn hinges same method used flaps Cut fin rudder lightweight balsa Final Assembly Prepare elevator pushrod Trial-fit stabilizer elevator pushrod fuselage elevator flaps should simultaneously neutral position have full motion no binding set up elevator horn pushrod almost no built-in looseness have found airplane will still track well level flight Carefully align stabilizer elevator fuselage wing flap hinge line before gluing Lubricate metal-to-metal contact points control linkage Glue top block place Prepare tail wheel mounting assembly attach epoxy Add fuselage bottom sheeting Mount motor engine /8 aluminum spacers adjust about 10 offset engine semi-enclosed fixed Flying Precision Aeroi atics a. * Pilots Manual * * For competition sport flyers pilots want fly safer crosawinds big bird pilots like fly ptetseiy crosawinds sport flyers want improve flying crosswinds W0* b pilots want learn pros STEALTHwind corrections W***A**00** jggWg pilots feghnlqves discussed author has placed top 3 Nets 4 tImes CROSSWIND CORRECTION CHART INCLUDED lusts control inputs various flight condtionst Highly illustrated CAD Drawings der send $845 S&H Gwnsteae Pidilleotlons 3502 West 96th Circle~ Westminster CO 80030 Attn Dept M Colorado residents add 78% ERVO MME etodel KMI 921 anacin bled $2495 4ode1 KMI 921K kit $t995 Size. 175 x 275 x 130 Drives ANY modern servo Use favourite connector Available kit built-up REVERSE M*TE Servo reversing module installed between Rx Servo Adjusts/sets netutral reverses dirction servo Supplied wires add connectors match system Assembled tested $1995 SERVICE SAE atalog Ace Alrtronlcs Arlsto-Craft Cirrus Futaba Hioc Hobby Shack J R K-Line K 0 Propo Kraff Novak Pro-Une ROD Tower Hobbles etc. FACTORY TRAINED AUTHORIZED WARRANTY Hours 800 am 500pm EST weekdays call Air Saturday December 1994 127 SALES AND SERVICE FOR EVERYTHING R/C SHAFT MIDWEST INC 7420 SEVEN MILE NORTHVILLE HI 48107 0104004000 FAX BIO4001005 0 0 0 0 Great Video wifes stocking -Santa Claus Beginners Guide R/C Airplane Covering r Confidence video enables beginner cover model professional results Ih 40ni, Easy follow presentation Third C@a8t alitf Film video Productions 5299F 847-9104 5&H Holiday Season 20 Summit Dr west wimhertey TX 75676 SPECIALIST IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S 074S & 09S ALL CUSTOM & STOCK PARTS AVAILABLE INDIVIDUALLY UUMPETITION ACCESSORIES RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF TUBING THREE BRANDS OF GLOW PLUGS HARD-TO-FIND HARDWARE OLD TIMER SUPPLIES COILS CONDENSERS NGK & STIlT SPARK PLUGS SILK 8 COLORS QUALITY DOPE BRUSHES 5 & r LOOP 114 RUBBERBANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 112A TEXACO PLAYBOY SR KIT 1I2A TEXACO ENGINES & PARTS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLATES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING HANDLING AND INSURANCE FEE $395 STOCK ORDERS SHIPPED WITHIN 24 HRS cowling Cut sides top block allow plywood nose ring give desired gap spinner Attach nose ring add filler blocks needed shape nose top block final configuration Apply 112 ounce fiberglass cloth epoxy finishing resin nose area wing forward sand smooth finish Cut openings muffler needle valve Cut bubble canopy fit Sig eightor nine-inch canopy works well Add cockpit detail desired glue canopy place epoxy Set rudder about 3/ offset Epoxy fin epoxy assembly fuselage Apply fillet material such Sig Epoxolite around wing stabilizer fin cockpit removable adjustable fuel tank recommended several good methods use used 4-40 bolt through tank center blind nut secured between engine mounts easiest tank built scratch kitThe center hole tank fabricated soldering I32 brass eyelets top bottom surfaces piece 1/g brass tubing soldered within eyelets seal structure prevent crushing tank mounting screw tightened fuselage area below tank may left open covered removable hatch desired Covering Finish Use favorite method final covering finish achieve result desired used Sig dope goal applying reasonably nice lightweight finish use following steps may somewhat unusual Apply thin coat clear epoxy paint such K&B Superpoxy seal wood glue joints fabric hinges etc Sand well apply clear dope Apply Dave Brown Skyloft spun nylon over open areas give good puncture resistance Follow lightweight 00 silkspan over Skyloft remainder airplane usual process dope finishes Power System original Sky Dancer powered Fox 35 tongue-type muffler Sky Dancer #2 uses OS FP 35 modified stock muffler two Sky Dancers built others use OS Max 35s tongue-type mufflers Although Max 35s no longer available new used rebuilt engines can still found individuals specialty suppliers modify FP 35 provide type engine run prefer consistent fairly fast power systems have worked well Choose system prefer tune best possible performance Flying Trimming As Stunt airplanes 1960 vintage somewhat limited adjustability However considerable amount tuning refining can still done airplane power system control system etc Read everything can find subject Trimming never-ending process should find over time Sky Dancer continually improving Without going extensive detail following basic steps have worked 11 have found following settings about right should good starting point new Sky Dancer Center gravity CG 6/4 inches front flap hinge line 3 rudder offset 10 engine offset ounce tip weight 62- 64-foot lines 37/s inch handle spacing 21 use low prop pitch possible will still deliver desired lap times usually five pitch slightly less 3 During initial flights verify wing level same position both upright inverted necessary tweak flap horn correct variation 4 Adjust fuel tank height obtain same engine speed upright inverted 5 Experiment needed above variables plus engine settings glow plugs fuel lap speed sealed hinge lines trim tabs etc until satisfied overall handling Over years Sky Dancer has interesting enjoyable airplane hope can same information Classic Stunt contact PAMPA 327 Pueblo Pass Anniston AL 36206 IN CONTROL i7 Losing control can nightmare wrong response given command can take its toll model nerves wallet Radio South know feel about hobby too avid RC enthusiasts nearly half century combined experience modeling radio repair So avoid inflated repair costs undue service time Radio South fast economical in-house radio service can depend Radio South customer satisfaction isnt just motto Its way life Let us put back control H5 ne 3702 N Pace Pensacola FL 32505 repair information 904 434-0909 1-800-962-7802 Toll Free Order Line lOrders Only Pleasell 128 Model Aviation 11EV-UP INVENIOHY AVERAGES OVER 9000 PROPSIII IMMEDIATE SHIPMENT VISA/MC II 1
Edition: Model Aviation - 1994/12
Page Numbers: 120, 121, 122, 123, 127, 128
eS4 veF Thand.. deling mo ofmy y interest has Car h took air 1960 120 Model Aviation 4were ml Black sior number concepts earlier projects utilized Sky Dancer originally being finished Black Tiger colors minus tiger teeth Desiring somewhat unusual design incorporated idea swept wing evolved shape Trixie profile Stunt kit built few years before years 1960-1988 Sky Dancer wasnt actively campaigned control line competition Therefore until recently has relatively unknown 1988 wanted resume active flying retrieved original Sky Dancer storage made repairs returned service Soon thereafter found Sky Dancer qualified PAMPA Precision Aerobatics Model Pilots Association Classic Stunt competition event have used extensively activity rapidly growing event vintage airplanes designed prior 1969 flying history original Sky Dancer finally ended crash late 1992 Sky Dancer No 2 hurriedly constructed time 1993 Vintage Stunt Championships contest Sky Dancers have also built fellow club members William Davis Larry Draughn Sky Dancers have flown Vintage Stunt Championships local contests good results Sky Dancer has proven versatile airplane both Classic Event AMA Skill Classes Sky Dancer can provide unique airplane vintage event preferred just fun build fly airplane CONSTRUCTION Sky Dancers basic construction quite simple straightforward Most materials readily available However some unique parts engines modified good Stunt characteristics etc consider several specialty sources advertise monthly PAMPA publication Stunt News see PAMPAs address end article Quite often two sources specific type December 1994 121 Top view Sky Dancers basic assembly Target weight finished model 40-45 ounces Wing framework ready leading edge sheeting final assembly Sky Dancer #2 uses OS 35 FP engine P 4 Type CL Classic Stunt Wingspan 5425 inches Engine size/stype 35-40 Flying weight 40-45 ounces Type construction Builtup Covering/finish Silkspan over nylon open areas clear dope Sky Dancer fleet L-R William Davis Curtis Coiner Larry Draughn Design Sky Dancer dates 1960 WIWB Z1IDXDWIAOAS 1Sf IA 156 AA%BO AT 224 D PBAa T1 6 ARS BYK NIMVALS ANT BAAMAS Ti-F OJTThAR WIASAT 2 328 MMAA4 CDCD W7F WA ~ IIBALSAWIAM BBASFIAT ___if BALSA 2 SF83 TIS LSA S 87S 1118 BALSA TWAIPAS114 BIJANT 8655 WMTBOTWAIBO~- TO MATOl AB4TUSA114 BALSA B-MT R 1TO2CESCI *ATCIACWWIT1/2 X 3/8 MARE NC/liSA Sf31418 3/BTM/B BALSA FILSAAL 1/ 4 BALSA B-MT B C/B B OMy- 1164 TO FITF F /18 BALSA TIP 6CC/ /ao TO 1/8 T14221632F -______________________1F N II 2 W-ms 1234BB7B B14II12 REVAItA 18144 ~1 BALSA IWA 2 Fif BALSA FILBA 18 BALSA F-2 BALSA FILM RC83 J-jil -M1tII FIYL4ASBO IlI1 OJILIJI FIP AS IEOI OJTCIJT 283-18]1/8 BALSA AS IEQJFED SKY DANCER 3 AUB418J4SGNED BY CURTIS OOMER IDE Ft/B A/BELB-IJBAS MAR DRA\MJ BY JcHJ HAGAN 583415B-REf -L 0 0 CD 0 Inquire information pick source choice competitive performance aim final weight 40- 45ounce range However airplane still performs well slightly overweight light weight wood isnt available try substituting thinner wood medium density some locations adhesives use traditional solvent-type glue external locations ease sanding finishing Cyanoacrylate CyA adhesive can speed process internal assembly tasks Use slow-curing epoxy specified anywhere else desire maximum strength Wing The wing probably complex part Sky Dancer isnt difficult may first appear prefer assemble wing flat building board normally build wing jig should encounter no problems wing may either assembled piece built two pieces joined used two-piece process laying out wing note inboard half has 3/4 inch greater span space ribs accordingly Trim square trailing-edge strip match taper ribs glue trailing edge bottom sheet Place 1/16 sheet spacer building board short distance front trailing edge ribs will correctly elevated Glue ribs trailing edge strip bottom sheet Pin both spars leading-edge strip position align everything support needed before gluing Glue trailing edge top sheet position add shear webs between trailing edge sheets Glue leading edge top sheet top spar Dampen outer surface sheet help curl around ribs leading edge Remove wing building board turn over secure building board Finish gluing sheet ribs leading edge strip Repeat process install leading edge bottom sheet Add top bottom rib capstrips Test-fit wing halves adjust needed good alignment Apply epoxy join two center ribs secure trailing edge building board Before epoxy cures sure trailing edge straight leading edge same distance above building board wingtip Install bellerank leadout wires using either flexible cable 1/32 music wire Sig three-inch bellerank Sullivan C-D size flexible cable works well prevent cable wearing nylon bellcrank attach short pieces /32 3/54 music wire bellerank connect cable fabricated flap elevator control horns length shown gives desired geometry provides system reasonable leadout travel control sensitivity should approximated purchased components used Control horns 3/33 wire have proven adequate airplane good idea lay out verify control motions paper before making final installation install stops limit bellerank motion about 50o Some type adjustable-length flap pushrod should used two piece pushrod soldered together brass tubing has worked well Verify complete wing alignment last time add shear webs between spars Prepare large piece center sheeting gluing several sheets together Cut fit top bottom center areas glue place Apply fiberglass cloth epoxy strengthen center joint wing now resistant twist will maintain alignment well during covering painting Prepare weight box outboard wingtip securing individual weights place during flight trimming Prepare flaps flap horn assembly Use medium-weight balsa stiff straight Use favorite method horn installation bond epoxy put basswood strips flaps inserted flap horn strips Hinge flaps wing using Continued page 127 December 1994 123 Sky Dancer/Corner Continued page 123 favorite method used full-span fabric hinges 005 polyester taffeta gives benefit sealed hinge line Make initial hinges fuselage about inch wide about 2 inches wide subsequent hinges Apply masking tape trailing edge flaps about /2 inch hinge line give straight edge installing hinges uniform overlap Connect pushrod flap horn adjust length bellcrank flaps centered have equal motion free movement throughout full travel Trim flaps correct length attach wingtips Fuselage If possible determine what motor muffler combination will use before beginning construction nose length about right lightweight system such Fox 35 05 Max 35 using tongue-type muffler heavier engine such OS FP 35 stock muffler best shorten nose least 12 inch Fox /2-inch prop shaft extension good way move engine weight toward rear Verify adequate room remains fuel tank four- ounce tank should adequate sure have proven engine gives good Stunt run especially using Schnuerle-ported engine Use epoxy assemble engine crutch needed increase width slightly accept engine fuel tank stock fuel tanks two inches wide Locate F-i match position engine Note crutch spaced mounts 1/8 inch below top edge fuselage sides Drill engine mount holes provide approximately 10 offset Add 4-40 blind nuts test-fit engine Make fuselage sides little extra length nose use epoxy laminate plywood doublers Position crutch fuselage sides upside down building board align everything S bond together epoxyPrepare Formers F-3 F-4 rear filler block Position align fuselage ajig and/or templates glue everything place Adding some diagonal braces between fuselages sides both top bottom will make twist-resistant structure Use lightweight balsa top block Tack-glue place carve approximately final shape top block still temporarily place install wing Cut fuselage sides below wing Carefully align wing fuselage secure epoxy Use epoxy put fuselage cutouts back place add 1/32 plywood doublers over joints Remove top block hollow approximately /s wall thickness Add bellcrank shaft top bottom supports Bolt landing gear mounting plate position fuselage secure epoxy Empennage Make stabilizer elevator light- medium-weight balsa stiff straight Make cutouts lightness add ribs Substitute built-up solid construction dont want open bays Add elevator horn hinges same method used flaps Cut fin rudder lightweight balsa Final Assembly Prepare elevator pushrod Trial-fit stabilizer elevator pushrod fuselage elevator flaps should simultaneously neutral position have full motion no binding set up elevator horn pushrod almost no built-in looseness have found airplane will still track well level flight Carefully align stabilizer elevator fuselage wing flap hinge line before gluing Lubricate metal-to-metal contact points control linkage Glue top block place Prepare tail wheel mounting assembly attach epoxy Add fuselage bottom sheeting Mount motor engine /8 aluminum spacers adjust about 10 offset engine semi-enclosed fixed Flying Precision Aeroi atics a. * Pilots Manual * * For competition sport flyers pilots want fly safer crosawinds big bird pilots like fly ptetseiy crosawinds sport flyers want improve flying crosswinds W0* b pilots want learn pros STEALTHwind corrections W***A**00** jggWg pilots feghnlqves discussed author has placed top 3 Nets 4 tImes CROSSWIND CORRECTION CHART INCLUDED lusts control inputs various flight condtionst Highly illustrated CAD Drawings der send $845 S&H Gwnsteae Pidilleotlons 3502 West 96th Circle~ Westminster CO 80030 Attn Dept M Colorado residents add 78% ERVO MME etodel KMI 921 anacin bled $2495 4ode1 KMI 921K kit $t995 Size. 175 x 275 x 130 Drives ANY modern servo Use favourite connector Available kit built-up REVERSE M*TE Servo reversing module installed between Rx Servo Adjusts/sets netutral reverses dirction servo Supplied wires add connectors match system Assembled tested $1995 SERVICE SAE atalog Ace Alrtronlcs Arlsto-Craft Cirrus Futaba Hioc Hobby Shack J R K-Line K 0 Propo Kraff Novak Pro-Une ROD Tower Hobbles etc. FACTORY TRAINED AUTHORIZED WARRANTY Hours 800 am 500pm EST weekdays call Air Saturday December 1994 127 SALES AND SERVICE FOR EVERYTHING R/C SHAFT MIDWEST INC 7420 SEVEN MILE NORTHVILLE HI 48107 0104004000 FAX BIO4001005 0 0 0 0 Great Video wifes stocking -Santa Claus Beginners Guide R/C Airplane Covering r Confidence video enables beginner cover model professional results Ih 40ni, Easy follow presentation Third C@a8t alitf Film video Productions 5299F 847-9104 5&H Holiday Season 20 Summit Dr west wimhertey TX 75676 SPECIALIST IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S 074S & 09S ALL CUSTOM & STOCK PARTS AVAILABLE INDIVIDUALLY UUMPETITION ACCESSORIES RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF TUBING THREE BRANDS OF GLOW PLUGS HARD-TO-FIND HARDWARE OLD TIMER SUPPLIES COILS CONDENSERS NGK & STIlT SPARK PLUGS SILK 8 COLORS QUALITY DOPE BRUSHES 5 & r LOOP 114 RUBBERBANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 112A TEXACO PLAYBOY SR KIT 1I2A TEXACO ENGINES & PARTS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLATES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING HANDLING AND INSURANCE FEE $395 STOCK ORDERS SHIPPED WITHIN 24 HRS cowling Cut sides top block allow plywood nose ring give desired gap spinner Attach nose ring add filler blocks needed shape nose top block final configuration Apply 112 ounce fiberglass cloth epoxy finishing resin nose area wing forward sand smooth finish Cut openings muffler needle valve Cut bubble canopy fit Sig eightor nine-inch canopy works well Add cockpit detail desired glue canopy place epoxy Set rudder about 3/ offset Epoxy fin epoxy assembly fuselage Apply fillet material such Sig Epoxolite around wing stabilizer fin cockpit removable adjustable fuel tank recommended several good methods use used 4-40 bolt through tank center blind nut secured between engine mounts easiest tank built scratch kitThe center hole tank fabricated soldering I32 brass eyelets top bottom surfaces piece 1/g brass tubing soldered within eyelets seal structure prevent crushing tank mounting screw tightened fuselage area below tank may left open covered removable hatch desired Covering Finish Use favorite method final covering finish achieve result desired used Sig dope goal applying reasonably nice lightweight finish use following steps may somewhat unusual Apply thin coat clear epoxy paint such K&B Superpoxy seal wood glue joints fabric hinges etc Sand well apply clear dope Apply Dave Brown Skyloft spun nylon over open areas give good puncture resistance Follow lightweight 00 silkspan over Skyloft remainder airplane usual process dope finishes Power System original Sky Dancer powered Fox 35 tongue-type muffler Sky Dancer #2 uses OS FP 35 modified stock muffler two Sky Dancers built others use OS Max 35s tongue-type mufflers Although Max 35s no longer available new used rebuilt engines can still found individuals specialty suppliers modify FP 35 provide type engine run prefer consistent fairly fast power systems have worked well Choose system prefer tune best possible performance Flying Trimming As Stunt airplanes 1960 vintage somewhat limited adjustability However considerable amount tuning refining can still done airplane power system control system etc Read everything can find subject Trimming never-ending process should find over time Sky Dancer continually improving Without going extensive detail following basic steps have worked 11 have found following settings about right should good starting point new Sky Dancer Center gravity CG 6/4 inches front flap hinge line 3 rudder offset 10 engine offset ounce tip weight 62- 64-foot lines 37/s inch handle spacing 21 use low prop pitch possible will still deliver desired lap times usually five pitch slightly less 3 During initial flights verify wing level same position both upright inverted necessary tweak flap horn correct variation 4 Adjust fuel tank height obtain same engine speed upright inverted 5 Experiment needed above variables plus engine settings glow plugs fuel lap speed sealed hinge lines trim tabs etc until satisfied overall handling Over years Sky Dancer has interesting enjoyable airplane hope can same information Classic Stunt contact PAMPA 327 Pueblo Pass Anniston AL 36206 IN CONTROL i7 Losing control can nightmare wrong response given command can take its toll model nerves wallet Radio South know feel about hobby too avid RC enthusiasts nearly half century combined experience modeling radio repair So avoid inflated repair costs undue service time Radio South fast economical in-house radio service can depend Radio South customer satisfaction isnt just motto Its way life Let us put back control H5 ne 3702 N Pace Pensacola FL 32505 repair information 904 434-0909 1-800-962-7802 Toll Free Order Line lOrders Only Pleasell 128 Model Aviation 11EV-UP INVENIOHY AVERAGES OVER 9000 PROPSIII IMMEDIATE SHIPMENT VISA/MC II 1
Edition: Model Aviation - 1994/12
Page Numbers: 120, 121, 122, 123, 127, 128
eS4 veF Thand.. deling mo ofmy y interest has Car h took air 1960 120 Model Aviation 4were ml Black sior number concepts earlier projects utilized Sky Dancer originally being finished Black Tiger colors minus tiger teeth Desiring somewhat unusual design incorporated idea swept wing evolved shape Trixie profile Stunt kit built few years before years 1960-1988 Sky Dancer wasnt actively campaigned control line competition Therefore until recently has relatively unknown 1988 wanted resume active flying retrieved original Sky Dancer storage made repairs returned service Soon thereafter found Sky Dancer qualified PAMPA Precision Aerobatics Model Pilots Association Classic Stunt competition event have used extensively activity rapidly growing event vintage airplanes designed prior 1969 flying history original Sky Dancer finally ended crash late 1992 Sky Dancer No 2 hurriedly constructed time 1993 Vintage Stunt Championships contest Sky Dancers have also built fellow club members William Davis Larry Draughn Sky Dancers have flown Vintage Stunt Championships local contests good results Sky Dancer has proven versatile airplane both Classic Event AMA Skill Classes Sky Dancer can provide unique airplane vintage event preferred just fun build fly airplane CONSTRUCTION Sky Dancers basic construction quite simple straightforward Most materials readily available However some unique parts engines modified good Stunt characteristics etc consider several specialty sources advertise monthly PAMPA publication Stunt News see PAMPAs address end article Quite often two sources specific type December 1994 121 Top view Sky Dancers basic assembly Target weight finished model 40-45 ounces Wing framework ready leading edge sheeting final assembly Sky Dancer #2 uses OS 35 FP engine P 4 Type CL Classic Stunt Wingspan 5425 inches Engine size/stype 35-40 Flying weight 40-45 ounces Type construction Builtup Covering/finish Silkspan over nylon open areas clear dope Sky Dancer fleet L-R William Davis Curtis Coiner Larry Draughn Design Sky Dancer dates 1960 WIWB Z1IDXDWIAOAS 1Sf IA 156 AA%BO AT 224 D PBAa T1 6 ARS BYK NIMVALS ANT BAAMAS Ti-F OJTThAR WIASAT 2 328 MMAA4 CDCD W7F WA ~ IIBALSAWIAM BBASFIAT ___if BALSA 2 SF83 TIS LSA S 87S 1118 BALSA TWAIPAS114 BIJANT 8655 WMTBOTWAIBO~- TO MATOl AB4TUSA114 BALSA B-MT R 1TO2CESCI *ATCIACWWIT1/2 X 3/8 MARE NC/liSA Sf31418 3/BTM/B BALSA FILSAAL 1/ 4 BALSA B-MT B C/B B OMy- 1164 TO FITF F /18 BALSA TIP 6CC/ /ao TO 1/8 T14221632F -______________________1F N II 2 W-ms 1234BB7B B14II12 REVAItA 18144 ~1 BALSA IWA 2 Fif BALSA FILBA 18 BALSA F-2 BALSA FILM RC83 J-jil -M1tII FIYL4ASBO IlI1 OJILIJI FIP AS IEOI OJTCIJT 283-18]1/8 BALSA AS IEQJFED SKY DANCER 3 AUB418J4SGNED BY CURTIS OOMER IDE Ft/B A/BELB-IJBAS MAR DRA\MJ BY JcHJ HAGAN 583415B-REf -L 0 0 CD 0 Inquire information pick source choice competitive performance aim final weight 40- 45ounce range However airplane still performs well slightly overweight light weight wood isnt available try substituting thinner wood medium density some locations adhesives use traditional solvent-type glue external locations ease sanding finishing Cyanoacrylate CyA adhesive can speed process internal assembly tasks Use slow-curing epoxy specified anywhere else desire maximum strength Wing The wing probably complex part Sky Dancer isnt difficult may first appear prefer assemble wing flat building board normally build wing jig should encounter no problems wing may either assembled piece built two pieces joined used two-piece process laying out wing note inboard half has 3/4 inch greater span space ribs accordingly Trim square trailing-edge strip match taper ribs glue trailing edge bottom sheet Place 1/16 sheet spacer building board short distance front trailing edge ribs will correctly elevated Glue ribs trailing edge strip bottom sheet Pin both spars leading-edge strip position align everything support needed before gluing Glue trailing edge top sheet position add shear webs between trailing edge sheets Glue leading edge top sheet top spar Dampen outer surface sheet help curl around ribs leading edge Remove wing building board turn over secure building board Finish gluing sheet ribs leading edge strip Repeat process install leading edge bottom sheet Add top bottom rib capstrips Test-fit wing halves adjust needed good alignment Apply epoxy join two center ribs secure trailing edge building board Before epoxy cures sure trailing edge straight leading edge same distance above building board wingtip Install bellerank leadout wires using either flexible cable 1/32 music wire Sig three-inch bellerank Sullivan C-D size flexible cable works well prevent cable wearing nylon bellcrank attach short pieces /32 3/54 music wire bellerank connect cable fabricated flap elevator control horns length shown gives desired geometry provides system reasonable leadout travel control sensitivity should approximated purchased components used Control horns 3/33 wire have proven adequate airplane good idea lay out verify control motions paper before making final installation install stops limit bellerank motion about 50o Some type adjustable-length flap pushrod should used two piece pushrod soldered together brass tubing has worked well Verify complete wing alignment last time add shear webs between spars Prepare large piece center sheeting gluing several sheets together Cut fit top bottom center areas glue place Apply fiberglass cloth epoxy strengthen center joint wing now resistant twist will maintain alignment well during covering painting Prepare weight box outboard wingtip securing individual weights place during flight trimming Prepare flaps flap horn assembly Use medium-weight balsa stiff straight Use favorite method horn installation bond epoxy put basswood strips flaps inserted flap horn strips Hinge flaps wing using Continued page 127 December 1994 123 Sky Dancer/Corner Continued page 123 favorite method used full-span fabric hinges 005 polyester taffeta gives benefit sealed hinge line Make initial hinges fuselage about inch wide about 2 inches wide subsequent hinges Apply masking tape trailing edge flaps about /2 inch hinge line give straight edge installing hinges uniform overlap Connect pushrod flap horn adjust length bellcrank flaps centered have equal motion free movement throughout full travel Trim flaps correct length attach wingtips Fuselage If possible determine what motor muffler combination will use before beginning construction nose length about right lightweight system such Fox 35 05 Max 35 using tongue-type muffler heavier engine such OS FP 35 stock muffler best shorten nose least 12 inch Fox /2-inch prop shaft extension good way move engine weight toward rear Verify adequate room remains fuel tank four- ounce tank should adequate sure have proven engine gives good Stunt run especially using Schnuerle-ported engine Use epoxy assemble engine crutch needed increase width slightly accept engine fuel tank stock fuel tanks two inches wide Locate F-i match position engine Note crutch spaced mounts 1/8 inch below top edge fuselage sides Drill engine mount holes provide approximately 10 offset Add 4-40 blind nuts test-fit engine Make fuselage sides little extra length nose use epoxy laminate plywood doublers Position crutch fuselage sides upside down building board align everything S bond together epoxyPrepare Formers F-3 F-4 rear filler block Position align fuselage ajig and/or templates glue everything place Adding some diagonal braces between fuselages sides both top bottom will make twist-resistant structure Use lightweight balsa top block Tack-glue place carve approximately final shape top block still temporarily place install wing Cut fuselage sides below wing Carefully align wing fuselage secure epoxy Use epoxy put fuselage cutouts back place add 1/32 plywood doublers over joints Remove top block hollow approximately /s wall thickness Add bellcrank shaft top bottom supports Bolt landing gear mounting plate position fuselage secure epoxy Empennage Make stabilizer elevator light- medium-weight balsa stiff straight Make cutouts lightness add ribs Substitute built-up solid construction dont want open bays Add elevator horn hinges same method used flaps Cut fin rudder lightweight balsa Final Assembly Prepare elevator pushrod Trial-fit stabilizer elevator pushrod fuselage elevator flaps should simultaneously neutral position have full motion no binding set up elevator horn pushrod almost no built-in looseness have found airplane will still track well level flight Carefully align stabilizer elevator fuselage wing flap hinge line before gluing Lubricate metal-to-metal contact points control linkage Glue top block place Prepare tail wheel mounting assembly attach epoxy Add fuselage bottom sheeting Mount motor engine /8 aluminum spacers adjust about 10 offset engine semi-enclosed fixed Flying Precision Aeroi atics a. * Pilots Manual * * For competition sport flyers pilots want fly safer crosawinds big bird pilots like fly ptetseiy crosawinds sport flyers want improve flying crosswinds W0* b pilots want learn pros STEALTHwind corrections W***A**00** jggWg pilots feghnlqves discussed author has placed top 3 Nets 4 tImes CROSSWIND CORRECTION CHART INCLUDED lusts control inputs various flight condtionst Highly illustrated CAD Drawings der send $845 S&H Gwnsteae Pidilleotlons 3502 West 96th Circle~ Westminster CO 80030 Attn Dept M Colorado residents add 78% ERVO MME etodel KMI 921 anacin bled $2495 4ode1 KMI 921K kit $t995 Size. 175 x 275 x 130 Drives ANY modern servo Use favourite connector Available kit built-up REVERSE M*TE Servo reversing module installed between Rx Servo Adjusts/sets netutral reverses dirction servo Supplied wires add connectors match system Assembled tested $1995 SERVICE SAE atalog Ace Alrtronlcs Arlsto-Craft Cirrus Futaba Hioc Hobby Shack J R K-Line K 0 Propo Kraff Novak Pro-Une ROD Tower Hobbles etc. FACTORY TRAINED AUTHORIZED WARRANTY Hours 800 am 500pm EST weekdays call Air Saturday December 1994 127 SALES AND SERVICE FOR EVERYTHING R/C SHAFT MIDWEST INC 7420 SEVEN MILE NORTHVILLE HI 48107 0104004000 FAX BIO4001005 0 0 0 0 Great Video wifes stocking -Santa Claus Beginners Guide R/C Airplane Covering r Confidence video enables beginner cover model professional results Ih 40ni, Easy follow presentation Third C@a8t alitf Film video Productions 5299F 847-9104 5&H Holiday Season 20 Summit Dr west wimhertey TX 75676 SPECIALIST IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S 074S & 09S ALL CUSTOM & STOCK PARTS AVAILABLE INDIVIDUALLY UUMPETITION ACCESSORIES RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF TUBING THREE BRANDS OF GLOW PLUGS HARD-TO-FIND HARDWARE OLD TIMER SUPPLIES COILS CONDENSERS NGK & STIlT SPARK PLUGS SILK 8 COLORS QUALITY DOPE BRUSHES 5 & r LOOP 114 RUBBERBANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 112A TEXACO PLAYBOY SR KIT 1I2A TEXACO ENGINES & PARTS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLATES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING HANDLING AND INSURANCE FEE $395 STOCK ORDERS SHIPPED WITHIN 24 HRS cowling Cut sides top block allow plywood nose ring give desired gap spinner Attach nose ring add filler blocks needed shape nose top block final configuration Apply 112 ounce fiberglass cloth epoxy finishing resin nose area wing forward sand smooth finish Cut openings muffler needle valve Cut bubble canopy fit Sig eightor nine-inch canopy works well Add cockpit detail desired glue canopy place epoxy Set rudder about 3/ offset Epoxy fin epoxy assembly fuselage Apply fillet material such Sig Epoxolite around wing stabilizer fin cockpit removable adjustable fuel tank recommended several good methods use used 4-40 bolt through tank center blind nut secured between engine mounts easiest tank built scratch kitThe center hole tank fabricated soldering I32 brass eyelets top bottom surfaces piece 1/g brass tubing soldered within eyelets seal structure prevent crushing tank mounting screw tightened fuselage area below tank may left open covered removable hatch desired Covering Finish Use favorite method final covering finish achieve result desired used Sig dope goal applying reasonably nice lightweight finish use following steps may somewhat unusual Apply thin coat clear epoxy paint such K&B Superpoxy seal wood glue joints fabric hinges etc Sand well apply clear dope Apply Dave Brown Skyloft spun nylon over open areas give good puncture resistance Follow lightweight 00 silkspan over Skyloft remainder airplane usual process dope finishes Power System original Sky Dancer powered Fox 35 tongue-type muffler Sky Dancer #2 uses OS FP 35 modified stock muffler two Sky Dancers built others use OS Max 35s tongue-type mufflers Although Max 35s no longer available new used rebuilt engines can still found individuals specialty suppliers modify FP 35 provide type engine run prefer consistent fairly fast power systems have worked well Choose system prefer tune best possible performance Flying Trimming As Stunt airplanes 1960 vintage somewhat limited adjustability However considerable amount tuning refining can still done airplane power system control system etc Read everything can find subject Trimming never-ending process should find over time Sky Dancer continually improving Without going extensive detail following basic steps have worked 11 have found following settings about right should good starting point new Sky Dancer Center gravity CG 6/4 inches front flap hinge line 3 rudder offset 10 engine offset ounce tip weight 62- 64-foot lines 37/s inch handle spacing 21 use low prop pitch possible will still deliver desired lap times usually five pitch slightly less 3 During initial flights verify wing level same position both upright inverted necessary tweak flap horn correct variation 4 Adjust fuel tank height obtain same engine speed upright inverted 5 Experiment needed above variables plus engine settings glow plugs fuel lap speed sealed hinge lines trim tabs etc until satisfied overall handling Over years Sky Dancer has interesting enjoyable airplane hope can same information Classic Stunt contact PAMPA 327 Pueblo Pass Anniston AL 36206 IN CONTROL i7 Losing control can nightmare wrong response given command can take its toll model nerves wallet Radio South know feel about hobby too avid RC enthusiasts nearly half century combined experience modeling radio repair So avoid inflated repair costs undue service time Radio South fast economical in-house radio service can depend Radio South customer satisfaction isnt just motto Its way life Let us put back control H5 ne 3702 N Pace Pensacola FL 32505 repair information 904 434-0909 1-800-962-7802 Toll Free Order Line lOrders Only Pleasell 128 Model Aviation 11EV-UP INVENIOHY AVERAGES OVER 9000 PROPSIII IMMEDIATE SHIPMENT VISA/MC II 1
Edition: Model Aviation - 1994/12
Page Numbers: 120, 121, 122, 123, 127, 128
eS4 veF Thand.. deling mo ofmy y interest has Car h took air 1960 120 Model Aviation 4were ml Black sior number concepts earlier projects utilized Sky Dancer originally being finished Black Tiger colors minus tiger teeth Desiring somewhat unusual design incorporated idea swept wing evolved shape Trixie profile Stunt kit built few years before years 1960-1988 Sky Dancer wasnt actively campaigned control line competition Therefore until recently has relatively unknown 1988 wanted resume active flying retrieved original Sky Dancer storage made repairs returned service Soon thereafter found Sky Dancer qualified PAMPA Precision Aerobatics Model Pilots Association Classic Stunt competition event have used extensively activity rapidly growing event vintage airplanes designed prior 1969 flying history original Sky Dancer finally ended crash late 1992 Sky Dancer No 2 hurriedly constructed time 1993 Vintage Stunt Championships contest Sky Dancers have also built fellow club members William Davis Larry Draughn Sky Dancers have flown Vintage Stunt Championships local contests good results Sky Dancer has proven versatile airplane both Classic Event AMA Skill Classes Sky Dancer can provide unique airplane vintage event preferred just fun build fly airplane CONSTRUCTION Sky Dancers basic construction quite simple straightforward Most materials readily available However some unique parts engines modified good Stunt characteristics etc consider several specialty sources advertise monthly PAMPA publication Stunt News see PAMPAs address end article Quite often two sources specific type December 1994 121 Top view Sky Dancers basic assembly Target weight finished model 40-45 ounces Wing framework ready leading edge sheeting final assembly Sky Dancer #2 uses OS 35 FP engine P 4 Type CL Classic Stunt Wingspan 5425 inches Engine size/stype 35-40 Flying weight 40-45 ounces Type construction Builtup Covering/finish Silkspan over nylon open areas clear dope Sky Dancer fleet L-R William Davis Curtis Coiner Larry Draughn Design Sky Dancer dates 1960 WIWB Z1IDXDWIAOAS 1Sf IA 156 AA%BO AT 224 D PBAa T1 6 ARS BYK NIMVALS ANT BAAMAS Ti-F OJTThAR WIASAT 2 328 MMAA4 CDCD W7F WA ~ IIBALSAWIAM BBASFIAT ___if BALSA 2 SF83 TIS LSA S 87S 1118 BALSA TWAIPAS114 BIJANT 8655 WMTBOTWAIBO~- TO MATOl AB4TUSA114 BALSA B-MT R 1TO2CESCI *ATCIACWWIT1/2 X 3/8 MARE NC/liSA Sf31418 3/BTM/B BALSA FILSAAL 1/ 4 BALSA B-MT B C/B B OMy- 1164 TO FITF F /18 BALSA TIP 6CC/ /ao TO 1/8 T14221632F -______________________1F N II 2 W-ms 1234BB7B B14II12 REVAItA 18144 ~1 BALSA IWA 2 Fif BALSA FILBA 18 BALSA F-2 BALSA FILM RC83 J-jil -M1tII FIYL4ASBO IlI1 OJILIJI FIP AS IEOI OJTCIJT 283-18]1/8 BALSA AS IEQJFED SKY DANCER 3 AUB418J4SGNED BY CURTIS OOMER IDE Ft/B A/BELB-IJBAS MAR DRA\MJ BY JcHJ HAGAN 583415B-REf -L 0 0 CD 0 Inquire information pick source choice competitive performance aim final weight 40- 45ounce range However airplane still performs well slightly overweight light weight wood isnt available try substituting thinner wood medium density some locations adhesives use traditional solvent-type glue external locations ease sanding finishing Cyanoacrylate CyA adhesive can speed process internal assembly tasks Use slow-curing epoxy specified anywhere else desire maximum strength Wing The wing probably complex part Sky Dancer isnt difficult may first appear prefer assemble wing flat building board normally build wing jig should encounter no problems wing may either assembled piece built two pieces joined used two-piece process laying out wing note inboard half has 3/4 inch greater span space ribs accordingly Trim square trailing-edge strip match taper ribs glue trailing edge bottom sheet Place 1/16 sheet spacer building board short distance front trailing edge ribs will correctly elevated Glue ribs trailing edge strip bottom sheet Pin both spars leading-edge strip position align everything support needed before gluing Glue trailing edge top sheet position add shear webs between trailing edge sheets Glue leading edge top sheet top spar Dampen outer surface sheet help curl around ribs leading edge Remove wing building board turn over secure building board Finish gluing sheet ribs leading edge strip Repeat process install leading edge bottom sheet Add top bottom rib capstrips Test-fit wing halves adjust needed good alignment Apply epoxy join two center ribs secure trailing edge building board Before epoxy cures sure trailing edge straight leading edge same distance above building board wingtip Install bellerank leadout wires using either flexible cable 1/32 music wire Sig three-inch bellerank Sullivan C-D size flexible cable works well prevent cable wearing nylon bellcrank attach short pieces /32 3/54 music wire bellerank connect cable fabricated flap elevator control horns length shown gives desired geometry provides system reasonable leadout travel control sensitivity should approximated purchased components used Control horns 3/33 wire have proven adequate airplane good idea lay out verify control motions paper before making final installation install stops limit bellerank motion about 50o Some type adjustable-length flap pushrod should used two piece pushrod soldered together brass tubing has worked well Verify complete wing alignment last time add shear webs between spars Prepare large piece center sheeting gluing several sheets together Cut fit top bottom center areas glue place Apply fiberglass cloth epoxy strengthen center joint wing now resistant twist will maintain alignment well during covering painting Prepare weight box outboard wingtip securing individual weights place during flight trimming Prepare flaps flap horn assembly Use medium-weight balsa stiff straight Use favorite method horn installation bond epoxy put basswood strips flaps inserted flap horn strips Hinge flaps wing using Continued page 127 December 1994 123 Sky Dancer/Corner Continued page 123 favorite method used full-span fabric hinges 005 polyester taffeta gives benefit sealed hinge line Make initial hinges fuselage about inch wide about 2 inches wide subsequent hinges Apply masking tape trailing edge flaps about /2 inch hinge line give straight edge installing hinges uniform overlap Connect pushrod flap horn adjust length bellcrank flaps centered have equal motion free movement throughout full travel Trim flaps correct length attach wingtips Fuselage If possible determine what motor muffler combination will use before beginning construction nose length about right lightweight system such Fox 35 05 Max 35 using tongue-type muffler heavier engine such OS FP 35 stock muffler best shorten nose least 12 inch Fox /2-inch prop shaft extension good way move engine weight toward rear Verify adequate room remains fuel tank four- ounce tank should adequate sure have proven engine gives good Stunt run especially using Schnuerle-ported engine Use epoxy assemble engine crutch needed increase width slightly accept engine fuel tank stock fuel tanks two inches wide Locate F-i match position engine Note crutch spaced mounts 1/8 inch below top edge fuselage sides Drill engine mount holes provide approximately 10 offset Add 4-40 blind nuts test-fit engine Make fuselage sides little extra length nose use epoxy laminate plywood doublers Position crutch fuselage sides upside down building board align everything S bond together epoxyPrepare Formers F-3 F-4 rear filler block Position align fuselage ajig and/or templates glue everything place Adding some diagonal braces between fuselages sides both top bottom will make twist-resistant structure Use lightweight balsa top block Tack-glue place carve approximately final shape top block still temporarily place install wing Cut fuselage sides below wing Carefully align wing fuselage secure epoxy Use epoxy put fuselage cutouts back place add 1/32 plywood doublers over joints Remove top block hollow approximately /s wall thickness Add bellcrank shaft top bottom supports Bolt landing gear mounting plate position fuselage secure epoxy Empennage Make stabilizer elevator light- medium-weight balsa stiff straight Make cutouts lightness add ribs Substitute built-up solid construction dont want open bays Add elevator horn hinges same method used flaps Cut fin rudder lightweight balsa Final Assembly Prepare elevator pushrod Trial-fit stabilizer elevator pushrod fuselage elevator flaps should simultaneously neutral position have full motion no binding set up elevator horn pushrod almost no built-in looseness have found airplane will still track well level flight Carefully align stabilizer elevator fuselage wing flap hinge line before gluing Lubricate metal-to-metal contact points control linkage Glue top block place Prepare tail wheel mounting assembly attach epoxy Add fuselage bottom sheeting Mount motor engine /8 aluminum spacers adjust about 10 offset engine semi-enclosed fixed Flying Precision Aeroi atics a. * Pilots Manual * * For competition sport flyers pilots want fly safer crosawinds big bird pilots like fly ptetseiy crosawinds sport flyers want improve flying crosswinds W0* b pilots want learn pros STEALTHwind corrections W***A**00** jggWg pilots feghnlqves discussed author has placed top 3 Nets 4 tImes CROSSWIND CORRECTION CHART INCLUDED lusts control inputs various flight condtionst Highly illustrated CAD Drawings der send $845 S&H Gwnsteae Pidilleotlons 3502 West 96th Circle~ Westminster CO 80030 Attn Dept M Colorado residents add 78% ERVO MME etodel KMI 921 anacin bled $2495 4ode1 KMI 921K kit $t995 Size. 175 x 275 x 130 Drives ANY modern servo Use favourite connector Available kit built-up REVERSE M*TE Servo reversing module installed between Rx Servo Adjusts/sets netutral reverses dirction servo Supplied wires add connectors match system Assembled tested $1995 SERVICE SAE atalog Ace Alrtronlcs Arlsto-Craft Cirrus Futaba Hioc Hobby Shack J R K-Line K 0 Propo Kraff Novak Pro-Une ROD Tower Hobbles etc. FACTORY TRAINED AUTHORIZED WARRANTY Hours 800 am 500pm EST weekdays call Air Saturday December 1994 127 SALES AND SERVICE FOR EVERYTHING R/C SHAFT MIDWEST INC 7420 SEVEN MILE NORTHVILLE HI 48107 0104004000 FAX BIO4001005 0 0 0 0 Great Video wifes stocking -Santa Claus Beginners Guide R/C Airplane Covering r Confidence video enables beginner cover model professional results Ih 40ni, Easy follow presentation Third C@a8t alitf Film video Productions 5299F 847-9104 5&H Holiday Season 20 Summit Dr west wimhertey TX 75676 SPECIALIST IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S 074S & 09S ALL CUSTOM & STOCK PARTS AVAILABLE INDIVIDUALLY UUMPETITION ACCESSORIES RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF TUBING THREE BRANDS OF GLOW PLUGS HARD-TO-FIND HARDWARE OLD TIMER SUPPLIES COILS CONDENSERS NGK & STIlT SPARK PLUGS SILK 8 COLORS QUALITY DOPE BRUSHES 5 & r LOOP 114 RUBBERBANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 112A TEXACO PLAYBOY SR KIT 1I2A TEXACO ENGINES & PARTS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLATES & EPOXIES ORDER BY MAIL OR PHONE 619 728-4365 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING HANDLING AND INSURANCE FEE $395 STOCK ORDERS SHIPPED WITHIN 24 HRS cowling Cut sides top block allow plywood nose ring give desired gap spinner Attach nose ring add filler blocks needed shape nose top block final configuration Apply 112 ounce fiberglass cloth epoxy finishing resin nose area wing forward sand smooth finish Cut openings muffler needle valve Cut bubble canopy fit Sig eightor nine-inch canopy works well Add cockpit detail desired glue canopy place epoxy Set rudder about 3/ offset Epoxy fin epoxy assembly fuselage Apply fillet material such Sig Epoxolite around wing stabilizer fin cockpit removable adjustable fuel tank recommended several good methods use used 4-40 bolt through tank center blind nut secured between engine mounts easiest tank built scratch kitThe center hole tank fabricated soldering I32 brass eyelets top bottom surfaces piece 1/g brass tubing soldered within eyelets seal structure prevent crushing tank mounting screw tightened fuselage area below tank may left open covered removable hatch desired Covering Finish Use favorite method final covering finish achieve result desired used Sig dope goal applying reasonably nice lightweight finish use following steps may somewhat unusual Apply thin coat clear epoxy paint such K&B Superpoxy seal wood glue joints fabric hinges etc Sand well apply clear dope Apply Dave Brown Skyloft spun nylon over open areas give good puncture resistance Follow lightweight 00 silkspan over Skyloft remainder airplane usual process dope finishes Power System original Sky Dancer powered Fox 35 tongue-type muffler Sky Dancer #2 uses OS FP 35 modified stock muffler two Sky Dancers built others use OS Max 35s tongue-type mufflers Although Max 35s no longer available new used rebuilt engines can still found individuals specialty suppliers modify FP 35 provide type engine run prefer consistent fairly fast power systems have worked well Choose system prefer tune best possible performance Flying Trimming As Stunt airplanes 1960 vintage somewhat limited adjustability However considerable amount tuning refining can still done airplane power system control system etc Read everything can find subject Trimming never-ending process should find over time Sky Dancer continually improving Without going extensive detail following basic steps have worked 11 have found following settings about right should good starting point new Sky Dancer Center gravity CG 6/4 inches front flap hinge line 3 rudder offset 10 engine offset ounce tip weight 62- 64-foot lines 37/s inch handle spacing 21 use low prop pitch possible will still deliver desired lap times usually five pitch slightly less 3 During initial flights verify wing level same position both upright inverted necessary tweak flap horn correct variation 4 Adjust fuel tank height obtain same engine speed upright inverted 5 Experiment needed above variables plus engine settings glow plugs fuel lap speed sealed hinge lines trim tabs etc until satisfied overall handling Over years Sky Dancer has interesting enjoyable airplane hope can same information Classic Stunt contact PAMPA 327 Pueblo Pass Anniston AL 36206 IN CONTROL i7 Losing control can nightmare wrong response given command can take its toll model nerves wallet Radio South know feel about hobby too avid RC enthusiasts nearly half century combined experience modeling radio repair So avoid inflated repair costs undue service time Radio South fast economical in-house radio service can depend Radio South customer satisfaction isnt just motto Its way life Let us put back control H5 ne 3702 N Pace Pensacola FL 32505 repair information 904 434-0909 1-800-962-7802 Toll Free Order Line lOrders Only Pleasell 128 Model Aviation 11EV-UP INVENIOHY AVERAGES OVER 9000 PROPSIII IMMEDIATE SHIPMENT VISA/MC II 1