Taking pictures Sailplane doesnt have same problem power planeno engine vibration no fuel goo keep away lenses author found could excellent results minimum difficulty Robert H Lodge 26 Model Aviation euuv iypiceu 01 resuits autnor touna ne couio get camera pod RC Sailplanewithout too much expense complication Note wing tip both views Malibu hills coast line shown top picture slope flying site above ENJOYED ModelAviations Project Snap shot articles describing aerial photography power plane inspired build camera pod RC Sailplane RELEASE ANGLECANOPY LINE~ IULCRUM SHUTTER mx R ARM BLOCKRELEASELENS MOTOR CONTROL TRIM mount camera Sailplane lightweight small inexpensive After going throw $250 $300 camera off cliff put mercy thermals wanted minimum shutter speed 1/250 stop motion first problem find camera choice narrowed either 110 16mm format anything else would meet size weight requirements ran across used Minolta-16 MG weighed 56 oz very compact designed pod small Cox servo actu ated throttle control channel camera pod interchangeable canopy Winddrifter SD- 100 set camera 1/250 shutter speed launched glider off hill Malibu took picture results terrific disadvantage limitation picture per flight required lot flights much time shoot roll film convinced myself design camera pod would take picture would advance film flight meant improved design different camera found Ansco 110 Telemaster 205 under $20 camera film advance lever slides making adaptable servo also telephoto feature weighed 4 oz After various mock-ups experiments finally worked out design did however require use standard-size Cox servo small did have enough torque advance film drawing photographs show designed small hole drilled lip thumb-winder flexible throttle cable wire Hot-Stuffed hole lower servo arm has Du-Bro E-Z Connector setContinued page 103 March 1981 27 ne ausnor uOo Louge wltn nis camera-carrying Craft-Air Windrifter SD-i 00 Story sketch show duplicate successful system Left Camera pod installed ready go Right Regular canopy th .~changeable camera pod Minolta-i 6 MG others OK Two different cameras used author left Minolta 16-MG UV t sine i ailplanes witn spans iou should work out best Aiming camera matter pointing camera-side wing subjecttakes little practice Note Assume use Fourmost Racing Pro ducts Gapless Hinge similar instal lation avoid discussion effect control surface gap significant Control surface deflection angle required pullout dive depends very strongly altitude pullout starts Maximum deflection angle usually chosen basis tlight testing minimum angle reliably produces spin entry Let D case D a Elevator parameters Span nches Chord Area 8 sq V 130 mph D therefore F 588 b Elevator Hinge torque F 130 x 130 x 48 x 2 x 0000588 in-oz 3 Now turn box servos pick likely candidate Try Ace RC Atlas Output wheel radius 325 Stroke half-stroke 1 230 ne D 342 7xL1/L2 325/672 Servo torque required L9T 339 x 955 in-oz Servo torque available in-oz Atlas OK Now can see people get away flying large airplanes small servos use small deflection angles fly level much possible simple static analysis does take account shock vibration factors can increase servo requirements bvfactors four must remember thank flying buddies George Druhak Tom Hunt valuable help developing simplified analysis Next month will take up shock vibration factors will calculate servo size Norm Rosenstocks Waco talk bit about pushrod size strength Later will take up subject larger battery packs required support new larger servos Keep letters flowing George M Myers 70 Froehlich Farm Rd Hicks iille NY 11801 Spruce Goose Jr/Willoughby Continued page 25 flight second transmitter 72240 MHz con trolled rudder elevator flaps ailerons fifth sixth channels operated 18 lights included two landing lights wing between engines 3 4 tween 5 6 plus float called taxi lights John Elliott handled flight transmitter Darrell Meyer performed duties flight engineer though feet still dock Other members ground crew started engines synchronized tach checking high low speeds detailed hang onto rud der full-power check What sweet sound eight engines made Throttled back idle huge silver bird carried deposited upon water could just feel excitement 80or-si helpers spectators bystanders taxied out flight Awesome Power 2I3rds Thirst 1980 Features * Improved By-pass Design * Longer Crankshaft/BearIng * Better Balance * Mark X Carburetor $6495 Bushing Schnuerl can lot active flying far less fuel 40 sized engine compared big 60 Probably popular displacement range R/O flying sites Power spare wealth kit designs available Reasonable cost too Hot Line 5011 646-165e MFG CO 5305 TOWSON AVE FORT SMITH ARK 72901 A uthorizecF DQdIO ervice FACTORYAUTHORIZED SERVICE FOR ALL OF THE FOLLOWING BRANDS Ace Aero Sport Cannon Cirrus Kraft World Engines EK Logictrol Micro Avionics Pro Line Orbit Mathes D&D RS Systems Royal Simprop Jerobee ALSO WARRANTY SERVICE EXPERT SER VICE FOR ALL BRANDS Z Don McCarthy Factory trained technicians over 15 years Radio Control Electronics S HOURS Closed Sun & Mon lOam-S pmWedFri lOam-6 pm Sat lOam-2 pm 714 639-8886 941 N MAIN ST ORANGE CALIFORNIA 92667 first flight no length football field approximating flight original Hercules about 10-ft altitude seemed tu mc flew about scale speed descent like Sail plane landinglong protracted did catch pontoon landing spray stop ping three out eight engines did prevent taxiing back point departure waters edge Nearly $5000 has invested un usual project according Meyer broth ers enthusiastic acclaim crowd smiles faces Team Hercu les after first successful flight made well worthwhile Congratulations surely order accomplishment building flying Spruce Goose Junior Aerial Photography/Lodge Continued page 27 screw removed wheel collar attached its set-screw cable servo arm slides freely over cable until presses against wheel collar Position #1 moves Position #2 slides winder its limit servo arm comes back Position #2 Position #1 spring retum camera winder allows wheel collar cable follow servo back takes about 1 slides advance film cable flexible doesnt matter servo goes Position #2 cable will bend upward slider stops half way wind cycle accomplished throttle March 1981 103 THE FOX 4O-RC /', eJ IsLe IZS[S] KIORITZ Deep Fins Optimum Cooling 21/4 Flywheel Small Magneto 1 5/8in Six Bolt Aluminum Hub Endorsed Don Godfrey Phone 607 722-1765 Pre-Drilled Props Available Ask About Custom Built KIORITZ Engines trim lever high speed position pushed forward moving throttle lever forward back twice advance film cycle accom plished shutter release cycle accomplished moving trim lever down back up allows servo travel Position #1 Position #3 causing rocker arm trip shutter After little practice no film camera finally got wind release cycles down pat main thing remember after release shutter must return trim lever hack its original position Otherwise tt locks out film advance Having mastered little exercise took glider back Malibu slope Within 15minute period blessing nice lift took 24 fantastic pictures ENGINES BY GIBBS HOBBY & RESEARCH Original Developer Factory Trained Authorized Master Service Dealer SPECIFPIATIA1 242 CU ifl 397CC 32HPat 8000 rpm Weight 61/2 lb Ball Bearings Crank Caged Rollers Rod Piston Pin Walbro Pump Carb 3 Ring Piston GIBBS HOBBY & RESEARCH 6195 Hillfield StNW NCANTON OHIO 44720 Phone216499-8854 After6 OOPM Accept Visa & Master Card camera pod interchangeable regular canopy plane balanced Out weights normally remove weight compensate camera pod adding weight standard canopy could inter change field rebalancing As can see pictures camera looking port side Aiming matter flying port wing pointing subject takes little practice other cameras can used Vivatar Motorized 110 little larger size weighs 9 oz costs between $50 $70 depending whether has telephoto option winding no problem since winds itself automatically smaller servo can used trigger shutter release will make up part extra weight telephoto feature good doubles Sealed Hear housing $189 Paid Orders Pay Shipping Dealer Inquiries Welcome Year Limited Warranty focal length enables get pretty good view yourself way up Instamatic-type camera has two shutter speeds obtain 1/250 have use ASA 400 film settle slight under-exposure ASA 100 Some cameras automatically index shutter speed depending film Ansco shutter speed set manually windable camera pod servo easily accommodated 100-in glider Experi menting 72-in glider revealed takes pretty heavy wind camera servo needed center-of-gravity location instead nose recommendation use least 100-in wingspan going succeed Sailplane photography want try out hope will find rewarding RC Scale/Wischers Continued page 31 locations Advertisements modern aviation magazines contemporary planes often show instrument panels color great detail Almost invariably wrong scale will need enlarged reduced Sport Scale builder may feel instru ment panel necessity have number models deficient respect attendance contests exhibi tions recently see panels contest models judges should influenced interior detail builders use panel avoid empty look especially easily visible distance also certain amount personal satisfaction well-finished model Doping techniques reply Sept 80 column information dope-and-silk cover ing came Doug Dahlke Would like mention two things off-chance remains anyone weight conscious depending horsepower nitro fly overloaded Scale plane Hot dope flows better smoother finish brush spray use l20o130o local wood factory shoots lacquer 1600 have prepare better move faster Hot dope doesnt sink surface far therefore lighter weight Use light bulb hot water other handy safe heat source Once silk applied getting set critical first coat water can used directly silk fill weave hit hot dope Perhaps water can used during second coat Use water prevents dope build up reduce weight Heating dope done industry will speed production give smooth finish Warm dope done epoxy probably mostly speed production shorten cure time Warming dope done modelers mainly smooth out flow poor folk like used could get rid brush marks Reduced penetra tion useful side effect results less weight Naturally effect percentage solids dope significant Further should difference between nitrate buty rate dopes first coat critical release water vapor trapped wing reverse regular covering methods wing tips day later doesnt seem problem covering techniques use bamboo paper smooth side out rough side Very little dope needed seal build finish course isnt scale fabric sure light predict future may see measure sanity retum 104 Model Aviation Tatone Makes Easy Established 1956 Tatone has invented de signed over 300 specialized model airplane ac cessories often imitated never equalled Watch new items m Tatone products available leading hobby shops See dealer first convenient ORDER DIRECT Send 50 illustrated price information COD VISA MASTER CHARGE acceDted 4 p7 Carb Needles &Throttle Accessible Engine Running
Edition: Model Aviation - 1981/03
Page Numbers: 26, 27, 103, 104
Taking pictures Sailplane doesnt have same problem power planeno engine vibration no fuel goo keep away lenses author found could excellent results minimum difficulty Robert H Lodge 26 Model Aviation euuv iypiceu 01 resuits autnor touna ne couio get camera pod RC Sailplanewithout too much expense complication Note wing tip both views Malibu hills coast line shown top picture slope flying site above ENJOYED ModelAviations Project Snap shot articles describing aerial photography power plane inspired build camera pod RC Sailplane RELEASE ANGLECANOPY LINE~ IULCRUM SHUTTER mx R ARM BLOCKRELEASELENS MOTOR CONTROL TRIM mount camera Sailplane lightweight small inexpensive After going throw $250 $300 camera off cliff put mercy thermals wanted minimum shutter speed 1/250 stop motion first problem find camera choice narrowed either 110 16mm format anything else would meet size weight requirements ran across used Minolta-16 MG weighed 56 oz very compact designed pod small Cox servo actu ated throttle control channel camera pod interchangeable canopy Winddrifter SD- 100 set camera 1/250 shutter speed launched glider off hill Malibu took picture results terrific disadvantage limitation picture per flight required lot flights much time shoot roll film convinced myself design camera pod would take picture would advance film flight meant improved design different camera found Ansco 110 Telemaster 205 under $20 camera film advance lever slides making adaptable servo also telephoto feature weighed 4 oz After various mock-ups experiments finally worked out design did however require use standard-size Cox servo small did have enough torque advance film drawing photographs show designed small hole drilled lip thumb-winder flexible throttle cable wire Hot-Stuffed hole lower servo arm has Du-Bro E-Z Connector setContinued page 103 March 1981 27 ne ausnor uOo Louge wltn nis camera-carrying Craft-Air Windrifter SD-i 00 Story sketch show duplicate successful system Left Camera pod installed ready go Right Regular canopy th .~changeable camera pod Minolta-i 6 MG others OK Two different cameras used author left Minolta 16-MG UV t sine i ailplanes witn spans iou should work out best Aiming camera matter pointing camera-side wing subjecttakes little practice Note Assume use Fourmost Racing Pro ducts Gapless Hinge similar instal lation avoid discussion effect control surface gap significant Control surface deflection angle required pullout dive depends very strongly altitude pullout starts Maximum deflection angle usually chosen basis tlight testing minimum angle reliably produces spin entry Let D case D a Elevator parameters Span nches Chord Area 8 sq V 130 mph D therefore F 588 b Elevator Hinge torque F 130 x 130 x 48 x 2 x 0000588 in-oz 3 Now turn box servos pick likely candidate Try Ace RC Atlas Output wheel radius 325 Stroke half-stroke 1 230 ne D 342 7xL1/L2 325/672 Servo torque required L9T 339 x 955 in-oz Servo torque available in-oz Atlas OK Now can see people get away flying large airplanes small servos use small deflection angles fly level much possible simple static analysis does take account shock vibration factors can increase servo requirements bvfactors four must remember thank flying buddies George Druhak Tom Hunt valuable help developing simplified analysis Next month will take up shock vibration factors will calculate servo size Norm Rosenstocks Waco talk bit about pushrod size strength Later will take up subject larger battery packs required support new larger servos Keep letters flowing George M Myers 70 Froehlich Farm Rd Hicks iille NY 11801 Spruce Goose Jr/Willoughby Continued page 25 flight second transmitter 72240 MHz con trolled rudder elevator flaps ailerons fifth sixth channels operated 18 lights included two landing lights wing between engines 3 4 tween 5 6 plus float called taxi lights John Elliott handled flight transmitter Darrell Meyer performed duties flight engineer though feet still dock Other members ground crew started engines synchronized tach checking high low speeds detailed hang onto rud der full-power check What sweet sound eight engines made Throttled back idle huge silver bird carried deposited upon water could just feel excitement 80or-si helpers spectators bystanders taxied out flight Awesome Power 2I3rds Thirst 1980 Features * Improved By-pass Design * Longer Crankshaft/BearIng * Better Balance * Mark X Carburetor $6495 Bushing Schnuerl can lot active flying far less fuel 40 sized engine compared big 60 Probably popular displacement range R/O flying sites Power spare wealth kit designs available Reasonable cost too Hot Line 5011 646-165e MFG CO 5305 TOWSON AVE FORT SMITH ARK 72901 A uthorizecF DQdIO ervice FACTORYAUTHORIZED SERVICE FOR ALL OF THE FOLLOWING BRANDS Ace Aero Sport Cannon Cirrus Kraft World Engines EK Logictrol Micro Avionics Pro Line Orbit Mathes D&D RS Systems Royal Simprop Jerobee ALSO WARRANTY SERVICE EXPERT SER VICE FOR ALL BRANDS Z Don McCarthy Factory trained technicians over 15 years Radio Control Electronics S HOURS Closed Sun & Mon lOam-S pmWedFri lOam-6 pm Sat lOam-2 pm 714 639-8886 941 N MAIN ST ORANGE CALIFORNIA 92667 first flight no length football field approximating flight original Hercules about 10-ft altitude seemed tu mc flew about scale speed descent like Sail plane landinglong protracted did catch pontoon landing spray stop ping three out eight engines did prevent taxiing back point departure waters edge Nearly $5000 has invested un usual project according Meyer broth ers enthusiastic acclaim crowd smiles faces Team Hercu les after first successful flight made well worthwhile Congratulations surely order accomplishment building flying Spruce Goose Junior Aerial Photography/Lodge Continued page 27 screw removed wheel collar attached its set-screw cable servo arm slides freely over cable until presses against wheel collar Position #1 moves Position #2 slides winder its limit servo arm comes back Position #2 Position #1 spring retum camera winder allows wheel collar cable follow servo back takes about 1 slides advance film cable flexible doesnt matter servo goes Position #2 cable will bend upward slider stops half way wind cycle accomplished throttle March 1981 103 THE FOX 4O-RC /', eJ IsLe IZS[S] KIORITZ Deep Fins Optimum Cooling 21/4 Flywheel Small Magneto 1 5/8in Six Bolt Aluminum Hub Endorsed Don Godfrey Phone 607 722-1765 Pre-Drilled Props Available Ask About Custom Built KIORITZ Engines trim lever high speed position pushed forward moving throttle lever forward back twice advance film cycle accom plished shutter release cycle accomplished moving trim lever down back up allows servo travel Position #1 Position #3 causing rocker arm trip shutter After little practice no film camera finally got wind release cycles down pat main thing remember after release shutter must return trim lever hack its original position Otherwise tt locks out film advance Having mastered little exercise took glider back Malibu slope Within 15minute period blessing nice lift took 24 fantastic pictures ENGINES BY GIBBS HOBBY & RESEARCH Original Developer Factory Trained Authorized Master Service Dealer SPECIFPIATIA1 242 CU ifl 397CC 32HPat 8000 rpm Weight 61/2 lb Ball Bearings Crank Caged Rollers Rod Piston Pin Walbro Pump Carb 3 Ring Piston GIBBS HOBBY & RESEARCH 6195 Hillfield StNW NCANTON OHIO 44720 Phone216499-8854 After6 OOPM Accept Visa & Master Card camera pod interchangeable regular canopy plane balanced Out weights normally remove weight compensate camera pod adding weight standard canopy could inter change field rebalancing As can see pictures camera looking port side Aiming matter flying port wing pointing subject takes little practice other cameras can used Vivatar Motorized 110 little larger size weighs 9 oz costs between $50 $70 depending whether has telephoto option winding no problem since winds itself automatically smaller servo can used trigger shutter release will make up part extra weight telephoto feature good doubles Sealed Hear housing $189 Paid Orders Pay Shipping Dealer Inquiries Welcome Year Limited Warranty focal length enables get pretty good view yourself way up Instamatic-type camera has two shutter speeds obtain 1/250 have use ASA 400 film settle slight under-exposure ASA 100 Some cameras automatically index shutter speed depending film Ansco shutter speed set manually windable camera pod servo easily accommodated 100-in glider Experi menting 72-in glider revealed takes pretty heavy wind camera servo needed center-of-gravity location instead nose recommendation use least 100-in wingspan going succeed Sailplane photography want try out hope will find rewarding RC Scale/Wischers Continued page 31 locations Advertisements modern aviation magazines contemporary planes often show instrument panels color great detail Almost invariably wrong scale will need enlarged reduced Sport Scale builder may feel instru ment panel necessity have number models deficient respect attendance contests exhibi tions recently see panels contest models judges should influenced interior detail builders use panel avoid empty look especially easily visible distance also certain amount personal satisfaction well-finished model Doping techniques reply Sept 80 column information dope-and-silk cover ing came Doug Dahlke Would like mention two things off-chance remains anyone weight conscious depending horsepower nitro fly overloaded Scale plane Hot dope flows better smoother finish brush spray use l20o130o local wood factory shoots lacquer 1600 have prepare better move faster Hot dope doesnt sink surface far therefore lighter weight Use light bulb hot water other handy safe heat source Once silk applied getting set critical first coat water can used directly silk fill weave hit hot dope Perhaps water can used during second coat Use water prevents dope build up reduce weight Heating dope done industry will speed production give smooth finish Warm dope done epoxy probably mostly speed production shorten cure time Warming dope done modelers mainly smooth out flow poor folk like used could get rid brush marks Reduced penetra tion useful side effect results less weight Naturally effect percentage solids dope significant Further should difference between nitrate buty rate dopes first coat critical release water vapor trapped wing reverse regular covering methods wing tips day later doesnt seem problem covering techniques use bamboo paper smooth side out rough side Very little dope needed seal build finish course isnt scale fabric sure light predict future may see measure sanity retum 104 Model Aviation Tatone Makes Easy Established 1956 Tatone has invented de signed over 300 specialized model airplane ac cessories often imitated never equalled Watch new items m Tatone products available leading hobby shops See dealer first convenient ORDER DIRECT Send 50 illustrated price information COD VISA MASTER CHARGE acceDted 4 p7 Carb Needles &Throttle Accessible Engine Running
Edition: Model Aviation - 1981/03
Page Numbers: 26, 27, 103, 104
Taking pictures Sailplane doesnt have same problem power planeno engine vibration no fuel goo keep away lenses author found could excellent results minimum difficulty Robert H Lodge 26 Model Aviation euuv iypiceu 01 resuits autnor touna ne couio get camera pod RC Sailplanewithout too much expense complication Note wing tip both views Malibu hills coast line shown top picture slope flying site above ENJOYED ModelAviations Project Snap shot articles describing aerial photography power plane inspired build camera pod RC Sailplane RELEASE ANGLECANOPY LINE~ IULCRUM SHUTTER mx R ARM BLOCKRELEASELENS MOTOR CONTROL TRIM mount camera Sailplane lightweight small inexpensive After going throw $250 $300 camera off cliff put mercy thermals wanted minimum shutter speed 1/250 stop motion first problem find camera choice narrowed either 110 16mm format anything else would meet size weight requirements ran across used Minolta-16 MG weighed 56 oz very compact designed pod small Cox servo actu ated throttle control channel camera pod interchangeable canopy Winddrifter SD- 100 set camera 1/250 shutter speed launched glider off hill Malibu took picture results terrific disadvantage limitation picture per flight required lot flights much time shoot roll film convinced myself design camera pod would take picture would advance film flight meant improved design different camera found Ansco 110 Telemaster 205 under $20 camera film advance lever slides making adaptable servo also telephoto feature weighed 4 oz After various mock-ups experiments finally worked out design did however require use standard-size Cox servo small did have enough torque advance film drawing photographs show designed small hole drilled lip thumb-winder flexible throttle cable wire Hot-Stuffed hole lower servo arm has Du-Bro E-Z Connector setContinued page 103 March 1981 27 ne ausnor uOo Louge wltn nis camera-carrying Craft-Air Windrifter SD-i 00 Story sketch show duplicate successful system Left Camera pod installed ready go Right Regular canopy th .~changeable camera pod Minolta-i 6 MG others OK Two different cameras used author left Minolta 16-MG UV t sine i ailplanes witn spans iou should work out best Aiming camera matter pointing camera-side wing subjecttakes little practice Note Assume use Fourmost Racing Pro ducts Gapless Hinge similar instal lation avoid discussion effect control surface gap significant Control surface deflection angle required pullout dive depends very strongly altitude pullout starts Maximum deflection angle usually chosen basis tlight testing minimum angle reliably produces spin entry Let D case D a Elevator parameters Span nches Chord Area 8 sq V 130 mph D therefore F 588 b Elevator Hinge torque F 130 x 130 x 48 x 2 x 0000588 in-oz 3 Now turn box servos pick likely candidate Try Ace RC Atlas Output wheel radius 325 Stroke half-stroke 1 230 ne D 342 7xL1/L2 325/672 Servo torque required L9T 339 x 955 in-oz Servo torque available in-oz Atlas OK Now can see people get away flying large airplanes small servos use small deflection angles fly level much possible simple static analysis does take account shock vibration factors can increase servo requirements bvfactors four must remember thank flying buddies George Druhak Tom Hunt valuable help developing simplified analysis Next month will take up shock vibration factors will calculate servo size Norm Rosenstocks Waco talk bit about pushrod size strength Later will take up subject larger battery packs required support new larger servos Keep letters flowing George M Myers 70 Froehlich Farm Rd Hicks iille NY 11801 Spruce Goose Jr/Willoughby Continued page 25 flight second transmitter 72240 MHz con trolled rudder elevator flaps ailerons fifth sixth channels operated 18 lights included two landing lights wing between engines 3 4 tween 5 6 plus float called taxi lights John Elliott handled flight transmitter Darrell Meyer performed duties flight engineer though feet still dock Other members ground crew started engines synchronized tach checking high low speeds detailed hang onto rud der full-power check What sweet sound eight engines made Throttled back idle huge silver bird carried deposited upon water could just feel excitement 80or-si helpers spectators bystanders taxied out flight Awesome Power 2I3rds Thirst 1980 Features * Improved By-pass Design * Longer Crankshaft/BearIng * Better Balance * Mark X Carburetor $6495 Bushing Schnuerl can lot active flying far less fuel 40 sized engine compared big 60 Probably popular displacement range R/O flying sites Power spare wealth kit designs available Reasonable cost too Hot Line 5011 646-165e MFG CO 5305 TOWSON AVE FORT SMITH ARK 72901 A uthorizecF DQdIO ervice FACTORYAUTHORIZED SERVICE FOR ALL OF THE FOLLOWING BRANDS Ace Aero Sport Cannon Cirrus Kraft World Engines EK Logictrol Micro Avionics Pro Line Orbit Mathes D&D RS Systems Royal Simprop Jerobee ALSO WARRANTY SERVICE EXPERT SER VICE FOR ALL BRANDS Z Don McCarthy Factory trained technicians over 15 years Radio Control Electronics S HOURS Closed Sun & Mon lOam-S pmWedFri lOam-6 pm Sat lOam-2 pm 714 639-8886 941 N MAIN ST ORANGE CALIFORNIA 92667 first flight no length football field approximating flight original Hercules about 10-ft altitude seemed tu mc flew about scale speed descent like Sail plane landinglong protracted did catch pontoon landing spray stop ping three out eight engines did prevent taxiing back point departure waters edge Nearly $5000 has invested un usual project according Meyer broth ers enthusiastic acclaim crowd smiles faces Team Hercu les after first successful flight made well worthwhile Congratulations surely order accomplishment building flying Spruce Goose Junior Aerial Photography/Lodge Continued page 27 screw removed wheel collar attached its set-screw cable servo arm slides freely over cable until presses against wheel collar Position #1 moves Position #2 slides winder its limit servo arm comes back Position #2 Position #1 spring retum camera winder allows wheel collar cable follow servo back takes about 1 slides advance film cable flexible doesnt matter servo goes Position #2 cable will bend upward slider stops half way wind cycle accomplished throttle March 1981 103 THE FOX 4O-RC /', eJ IsLe IZS[S] KIORITZ Deep Fins Optimum Cooling 21/4 Flywheel Small Magneto 1 5/8in Six Bolt Aluminum Hub Endorsed Don Godfrey Phone 607 722-1765 Pre-Drilled Props Available Ask About Custom Built KIORITZ Engines trim lever high speed position pushed forward moving throttle lever forward back twice advance film cycle accom plished shutter release cycle accomplished moving trim lever down back up allows servo travel Position #1 Position #3 causing rocker arm trip shutter After little practice no film camera finally got wind release cycles down pat main thing remember after release shutter must return trim lever hack its original position Otherwise tt locks out film advance Having mastered little exercise took glider back Malibu slope Within 15minute period blessing nice lift took 24 fantastic pictures ENGINES BY GIBBS HOBBY & RESEARCH Original Developer Factory Trained Authorized Master Service Dealer SPECIFPIATIA1 242 CU ifl 397CC 32HPat 8000 rpm Weight 61/2 lb Ball Bearings Crank Caged Rollers Rod Piston Pin Walbro Pump Carb 3 Ring Piston GIBBS HOBBY & RESEARCH 6195 Hillfield StNW NCANTON OHIO 44720 Phone216499-8854 After6 OOPM Accept Visa & Master Card camera pod interchangeable regular canopy plane balanced Out weights normally remove weight compensate camera pod adding weight standard canopy could inter change field rebalancing As can see pictures camera looking port side Aiming matter flying port wing pointing subject takes little practice other cameras can used Vivatar Motorized 110 little larger size weighs 9 oz costs between $50 $70 depending whether has telephoto option winding no problem since winds itself automatically smaller servo can used trigger shutter release will make up part extra weight telephoto feature good doubles Sealed Hear housing $189 Paid Orders Pay Shipping Dealer Inquiries Welcome Year Limited Warranty focal length enables get pretty good view yourself way up Instamatic-type camera has two shutter speeds obtain 1/250 have use ASA 400 film settle slight under-exposure ASA 100 Some cameras automatically index shutter speed depending film Ansco shutter speed set manually windable camera pod servo easily accommodated 100-in glider Experi menting 72-in glider revealed takes pretty heavy wind camera servo needed center-of-gravity location instead nose recommendation use least 100-in wingspan going succeed Sailplane photography want try out hope will find rewarding RC Scale/Wischers Continued page 31 locations Advertisements modern aviation magazines contemporary planes often show instrument panels color great detail Almost invariably wrong scale will need enlarged reduced Sport Scale builder may feel instru ment panel necessity have number models deficient respect attendance contests exhibi tions recently see panels contest models judges should influenced interior detail builders use panel avoid empty look especially easily visible distance also certain amount personal satisfaction well-finished model Doping techniques reply Sept 80 column information dope-and-silk cover ing came Doug Dahlke Would like mention two things off-chance remains anyone weight conscious depending horsepower nitro fly overloaded Scale plane Hot dope flows better smoother finish brush spray use l20o130o local wood factory shoots lacquer 1600 have prepare better move faster Hot dope doesnt sink surface far therefore lighter weight Use light bulb hot water other handy safe heat source Once silk applied getting set critical first coat water can used directly silk fill weave hit hot dope Perhaps water can used during second coat Use water prevents dope build up reduce weight Heating dope done industry will speed production give smooth finish Warm dope done epoxy probably mostly speed production shorten cure time Warming dope done modelers mainly smooth out flow poor folk like used could get rid brush marks Reduced penetra tion useful side effect results less weight Naturally effect percentage solids dope significant Further should difference between nitrate buty rate dopes first coat critical release water vapor trapped wing reverse regular covering methods wing tips day later doesnt seem problem covering techniques use bamboo paper smooth side out rough side Very little dope needed seal build finish course isnt scale fabric sure light predict future may see measure sanity retum 104 Model Aviation Tatone Makes Easy Established 1956 Tatone has invented de signed over 300 specialized model airplane ac cessories often imitated never equalled Watch new items m Tatone products available leading hobby shops See dealer first convenient ORDER DIRECT Send 50 illustrated price information COD VISA MASTER CHARGE acceDted 4 p7 Carb Needles &Throttle Accessible Engine Running
Edition: Model Aviation - 1981/03
Page Numbers: 26, 27, 103, 104
Taking pictures Sailplane doesnt have same problem power planeno engine vibration no fuel goo keep away lenses author found could excellent results minimum difficulty Robert H Lodge 26 Model Aviation euuv iypiceu 01 resuits autnor touna ne couio get camera pod RC Sailplanewithout too much expense complication Note wing tip both views Malibu hills coast line shown top picture slope flying site above ENJOYED ModelAviations Project Snap shot articles describing aerial photography power plane inspired build camera pod RC Sailplane RELEASE ANGLECANOPY LINE~ IULCRUM SHUTTER mx R ARM BLOCKRELEASELENS MOTOR CONTROL TRIM mount camera Sailplane lightweight small inexpensive After going throw $250 $300 camera off cliff put mercy thermals wanted minimum shutter speed 1/250 stop motion first problem find camera choice narrowed either 110 16mm format anything else would meet size weight requirements ran across used Minolta-16 MG weighed 56 oz very compact designed pod small Cox servo actu ated throttle control channel camera pod interchangeable canopy Winddrifter SD- 100 set camera 1/250 shutter speed launched glider off hill Malibu took picture results terrific disadvantage limitation picture per flight required lot flights much time shoot roll film convinced myself design camera pod would take picture would advance film flight meant improved design different camera found Ansco 110 Telemaster 205 under $20 camera film advance lever slides making adaptable servo also telephoto feature weighed 4 oz After various mock-ups experiments finally worked out design did however require use standard-size Cox servo small did have enough torque advance film drawing photographs show designed small hole drilled lip thumb-winder flexible throttle cable wire Hot-Stuffed hole lower servo arm has Du-Bro E-Z Connector setContinued page 103 March 1981 27 ne ausnor uOo Louge wltn nis camera-carrying Craft-Air Windrifter SD-i 00 Story sketch show duplicate successful system Left Camera pod installed ready go Right Regular canopy th .~changeable camera pod Minolta-i 6 MG others OK Two different cameras used author left Minolta 16-MG UV t sine i ailplanes witn spans iou should work out best Aiming camera matter pointing camera-side wing subjecttakes little practice Note Assume use Fourmost Racing Pro ducts Gapless Hinge similar instal lation avoid discussion effect control surface gap significant Control surface deflection angle required pullout dive depends very strongly altitude pullout starts Maximum deflection angle usually chosen basis tlight testing minimum angle reliably produces spin entry Let D case D a Elevator parameters Span nches Chord Area 8 sq V 130 mph D therefore F 588 b Elevator Hinge torque F 130 x 130 x 48 x 2 x 0000588 in-oz 3 Now turn box servos pick likely candidate Try Ace RC Atlas Output wheel radius 325 Stroke half-stroke 1 230 ne D 342 7xL1/L2 325/672 Servo torque required L9T 339 x 955 in-oz Servo torque available in-oz Atlas OK Now can see people get away flying large airplanes small servos use small deflection angles fly level much possible simple static analysis does take account shock vibration factors can increase servo requirements bvfactors four must remember thank flying buddies George Druhak Tom Hunt valuable help developing simplified analysis Next month will take up shock vibration factors will calculate servo size Norm Rosenstocks Waco talk bit about pushrod size strength Later will take up subject larger battery packs required support new larger servos Keep letters flowing George M Myers 70 Froehlich Farm Rd Hicks iille NY 11801 Spruce Goose Jr/Willoughby Continued page 25 flight second transmitter 72240 MHz con trolled rudder elevator flaps ailerons fifth sixth channels operated 18 lights included two landing lights wing between engines 3 4 tween 5 6 plus float called taxi lights John Elliott handled flight transmitter Darrell Meyer performed duties flight engineer though feet still dock Other members ground crew started engines synchronized tach checking high low speeds detailed hang onto rud der full-power check What sweet sound eight engines made Throttled back idle huge silver bird carried deposited upon water could just feel excitement 80or-si helpers spectators bystanders taxied out flight Awesome Power 2I3rds Thirst 1980 Features * Improved By-pass Design * Longer Crankshaft/BearIng * Better Balance * Mark X Carburetor $6495 Bushing Schnuerl can lot active flying far less fuel 40 sized engine compared big 60 Probably popular displacement range R/O flying sites Power spare wealth kit designs available Reasonable cost too Hot Line 5011 646-165e MFG CO 5305 TOWSON AVE FORT SMITH ARK 72901 A uthorizecF DQdIO ervice FACTORYAUTHORIZED SERVICE FOR ALL OF THE FOLLOWING BRANDS Ace Aero Sport Cannon Cirrus Kraft World Engines EK Logictrol Micro Avionics Pro Line Orbit Mathes D&D RS Systems Royal Simprop Jerobee ALSO WARRANTY SERVICE EXPERT SER VICE FOR ALL BRANDS Z Don McCarthy Factory trained technicians over 15 years Radio Control Electronics S HOURS Closed Sun & Mon lOam-S pmWedFri lOam-6 pm Sat lOam-2 pm 714 639-8886 941 N MAIN ST ORANGE CALIFORNIA 92667 first flight no length football field approximating flight original Hercules about 10-ft altitude seemed tu mc flew about scale speed descent like Sail plane landinglong protracted did catch pontoon landing spray stop ping three out eight engines did prevent taxiing back point departure waters edge Nearly $5000 has invested un usual project according Meyer broth ers enthusiastic acclaim crowd smiles faces Team Hercu les after first successful flight made well worthwhile Congratulations surely order accomplishment building flying Spruce Goose Junior Aerial Photography/Lodge Continued page 27 screw removed wheel collar attached its set-screw cable servo arm slides freely over cable until presses against wheel collar Position #1 moves Position #2 slides winder its limit servo arm comes back Position #2 Position #1 spring retum camera winder allows wheel collar cable follow servo back takes about 1 slides advance film cable flexible doesnt matter servo goes Position #2 cable will bend upward slider stops half way wind cycle accomplished throttle March 1981 103 THE FOX 4O-RC /', eJ IsLe IZS[S] KIORITZ Deep Fins Optimum Cooling 21/4 Flywheel Small Magneto 1 5/8in Six Bolt Aluminum Hub Endorsed Don Godfrey Phone 607 722-1765 Pre-Drilled Props Available Ask About Custom Built KIORITZ Engines trim lever high speed position pushed forward moving throttle lever forward back twice advance film cycle accom plished shutter release cycle accomplished moving trim lever down back up allows servo travel Position #1 Position #3 causing rocker arm trip shutter After little practice no film camera finally got wind release cycles down pat main thing remember after release shutter must return trim lever hack its original position Otherwise tt locks out film advance Having mastered little exercise took glider back Malibu slope Within 15minute period blessing nice lift took 24 fantastic pictures ENGINES BY GIBBS HOBBY & RESEARCH Original Developer Factory Trained Authorized Master Service Dealer SPECIFPIATIA1 242 CU ifl 397CC 32HPat 8000 rpm Weight 61/2 lb Ball Bearings Crank Caged Rollers Rod Piston Pin Walbro Pump Carb 3 Ring Piston GIBBS HOBBY & RESEARCH 6195 Hillfield StNW NCANTON OHIO 44720 Phone216499-8854 After6 OOPM Accept Visa & Master Card camera pod interchangeable regular canopy plane balanced Out weights normally remove weight compensate camera pod adding weight standard canopy could inter change field rebalancing As can see pictures camera looking port side Aiming matter flying port wing pointing subject takes little practice other cameras can used Vivatar Motorized 110 little larger size weighs 9 oz costs between $50 $70 depending whether has telephoto option winding no problem since winds itself automatically smaller servo can used trigger shutter release will make up part extra weight telephoto feature good doubles Sealed Hear housing $189 Paid Orders Pay Shipping Dealer Inquiries Welcome Year Limited Warranty focal length enables get pretty good view yourself way up Instamatic-type camera has two shutter speeds obtain 1/250 have use ASA 400 film settle slight under-exposure ASA 100 Some cameras automatically index shutter speed depending film Ansco shutter speed set manually windable camera pod servo easily accommodated 100-in glider Experi menting 72-in glider revealed takes pretty heavy wind camera servo needed center-of-gravity location instead nose recommendation use least 100-in wingspan going succeed Sailplane photography want try out hope will find rewarding RC Scale/Wischers Continued page 31 locations Advertisements modern aviation magazines contemporary planes often show instrument panels color great detail Almost invariably wrong scale will need enlarged reduced Sport Scale builder may feel instru ment panel necessity have number models deficient respect attendance contests exhibi tions recently see panels contest models judges should influenced interior detail builders use panel avoid empty look especially easily visible distance also certain amount personal satisfaction well-finished model Doping techniques reply Sept 80 column information dope-and-silk cover ing came Doug Dahlke Would like mention two things off-chance remains anyone weight conscious depending horsepower nitro fly overloaded Scale plane Hot dope flows better smoother finish brush spray use l20o130o local wood factory shoots lacquer 1600 have prepare better move faster Hot dope doesnt sink surface far therefore lighter weight Use light bulb hot water other handy safe heat source Once silk applied getting set critical first coat water can used directly silk fill weave hit hot dope Perhaps water can used during second coat Use water prevents dope build up reduce weight Heating dope done industry will speed production give smooth finish Warm dope done epoxy probably mostly speed production shorten cure time Warming dope done modelers mainly smooth out flow poor folk like used could get rid brush marks Reduced penetra tion useful side effect results less weight Naturally effect percentage solids dope significant Further should difference between nitrate buty rate dopes first coat critical release water vapor trapped wing reverse regular covering methods wing tips day later doesnt seem problem covering techniques use bamboo paper smooth side out rough side Very little dope needed seal build finish course isnt scale fabric sure light predict future may see measure sanity retum 104 Model Aviation Tatone Makes Easy Established 1956 Tatone has invented de signed over 300 specialized model airplane ac cessories often imitated never equalled Watch new items m Tatone products available leading hobby shops See dealer first convenient ORDER DIRECT Send 50 illustrated price information COD VISA MASTER CHARGE acceDted 4 p7 Carb Needles &Throttle Accessible Engine Running