SOMETHING NEW suppose over years just about conceivable aspect RC Scale flying has covered various RC magazines Subjects have ranged basics building/covering/flying absurdities growing own balsa fiberglass weaving techniques Its somewhere however growing acceptance ducted fans sport competition RC Scale aspect opens up whole new group concerns techniques hope article month will clarify some problems heard Model selection no restricted propeller-driven aircraft Certainly some Jets should avoided experi ence level lowjust second propellerdriven trainer should inevitable P-5 1 Odds purpose full-scale air craft trainer model will good also school thought says Navy jets better Granted am prejudiced have consider environment Navy jets operate aircraft designed oper ate off very short fields carriers still carry enough ordinance enough fuel mis sion requirements establish least two very desirable traits ducted-fan model good strong landing gear wing capable carry ing load both ends speed envelope end emotion personal preference will likely dictate model selection some points consider Also powerful fans now avail able inlet size consideration once Thats say can cut hole front airplane stuff fan go fly fast has oroven what can done small inlets some common-sense aerodynam ics Since concerned Scale though always possible incorporate ideal let case prefer accept small perform ance loss favor scale accuracy After isnt Scale doesnt matter As example lam flying Yellow Aircraft F16 exact-scale inlet know because made plug General Dynamics draw ings Takeoff performance slightly less would expected exaggerated inlet still gets airborne less 150 ft cares order small inlets work however inlet must receive just passing glance inlet lip must rounded possi ble internal air routing must subtle F-14 Tomcat L / scale Velow Aircraft & Hobby Supply nearly ideal size larger becomes cumbersome smaller simply can made scale Sig Kadet ducted fans Byron Originals Mig-1 5R its capable flying 60-plus-size engines fields Two extremes products Yellow Aircraft left A4 Skyhawk can flown almost competitive Pattern flier whereas SR-71 requires undivided attention skilled pilot SR-71 5 CG correct location model will pitch up proper titude landing R settle easily onto runway Photo Dan Parsons 52 Model Aviation Radio Conoi Scale Dennis Crooks PO Dox 98 BIg Rock IL 60511 Yellow Aircraft F16 Inlet Although ideal does work info column possible doesnt look right probably isnt Some high-tech flow studies would help extract the design common sense great deal cheaperand likely just effective start building ducted fan few peculiar considerations Weight saving important crucial once fashion able go far poke holes foam wings cut weight practice saves few grams un der best circumstances worst can ruin appearance sheeted wing weaken landing gear mount much better ap proach weight saving simply conscientious use glue wood Hobby Lobby handles very good glue polyester epoxy fuselages called Epoxid-Klebeharz Typically should drill lightening holes nonstress areas bulkhead access bulkheai makes hard reach joint fuselage shell necessary tack-glue place stand airplane end run small bead epoxy around joint Keep mind glue smeared away joint fuselage shell bulkhead wasted dead weight Anothr recommended construction procedure ducted fans seal wood inside mod el Considering fuel exhaust both completely inside fuselage inevitable will leaks spills procedure use keep being disastrous soak wool parts thin Zap after have glued place method allows epoxy first pentrate wood adhere fuse good lond Anothr fuel-proofing method paint side fuse serves seal wood alio making look nicer An added benefit painting least glue joints makes easy spot failed bonds nuisance step easy overlookbut dont Time money pent now will help insure high speed pass beginning now wont last ma neuver ever perform model An item always consider annoying Scale model have control horns pushrods visible However Jet models sometim3s unavoidable know dont have fly fast experience flutter go fast probably will control surface hinges ducted-fan model must snug gapless possible realism safety Therefore ailerons flaps will likely connected servos mounted wing via ex posed horns pushrods maximum rigidity As flying ducted fan couple real advsntages Most Jets have nose wheels sit uation really helps combat inevitable crosswind biggie no Continued page 163 June 1989 53 AVAILABLE AT AMERICAS$475 DISTRIBUTED BY FINEST HOBBY SHOPS NDVDWRXRD 7555 Se, GeSnel Reed cedero CA 93422 66-1717 Europes leading manufacturer pilots supply fully positional figures National Scale Champs dress pilots known apparel Accessories include helmets goggles sunglasses bobble hats baseball caps floppy hats bone domes oxygen masks maewests popular types WWI WWI Sports piece suit stripes colours NATO piece suit map pockets olive green Glider pilots turtle neck sweaters floppy hat sunglasses Standard pilots tan pants simulated leather jacket fur collar baseball hat sunglasses pilots lightest ever come painted dressed ready fly 1/6 scale 2 oz S20O0 1/4 scale 4 oz $2800 1/5 scale 3 oz $2400 1/3 scale 9 oz $3200 Plus $500 postage packing Airmail z fast delivery send phone Visa Mastereharge number AH DESIGNS 79 Pen-y-Maes Ave Rhyl Ciwyd 1118 4E0 UK Tel 745-53987 Fourmost NEW jFlush Button ~1Hatch Release No Springs No Snaps No Rubber Bands Price $3506 Flush Button allows modeler easy access hatch compart ment just finger tip Flush Button constructed lie completely flush surface hatch pro viding clean areodynamic finish Molded white device painted match finish Fourmost Products 4040 24TH AVENUE FOREST GROVE OR 971 16 503 357-2732 Although Scale model Jet Model Products Starfire II has inlet design thats probably best possible IMPROVE YOUR 1991 SWITCH OVER eI Proof Switch Positive Locking Prevents Arriving field dead batteries Accidental switching off before take-off Will vibrate apart causing loss radio Does require special mounts Works radios Ideal seaplanes completely water proof SEE YOUR LOCAL HOBBY DEALER unavailable locally send Bru Line Industries Inc PO Box 3786 Center Line MI 48015 sufficient speed can very frustrating youre headed weeds just pulled elevator stick clear out transmit ter youll still have airplane left fly ducted fan competition some important courtesies observe test run engine pits competition under way poor guy whos flying cant hear thing nor can sure judges can hear him call maneuvers starting engines prior flight aware exhaust pointed jet ex haust velocity can easily reach 100 mph good distance behind model once Ive seen other modelers scramble grab air planes hats assorted debris being blown about ill-aimed ducted fan model Also have some consideration poor judges guys have power ruin whole trip treat respect Dont start screaming beast right front Most ducted-fan fliers now wear some type hear ing protectorsbut judges Believe An F-14 two OS engines turning 22000 rpm does purr hurts So start run up model respectable distance judges knows might help score AC Giant Scale/de Vries Continued page 59 ity should transcend exact scale function comes readily mind Hawker Fury handsome British biplane fighter Thirties Fury unique wheel shock absorber system shocks wheels ground shocks compressed center lines axle wheels coincident airborne however shocks extended centerline axle well above wheels centerlines Attempting duplicate feature model Giant size would exercise frustration internal shock absorbers would have duplicated minia ture formnot very practical bit construction final analysis idiosyncrasies par ticular prototype can uncovered really digging documentation information availableyouve just got dig out tend detail Giantpractically couple reminders IMAA Fly-In Odessa TX month June Giant Scale reenactment Schneider Cup Races November 10-12 latter Bob Martin chairman big seaplane address 1520 C Acoma Lane Lake Havasu City AZ 86403 publishing Schneider Cup News three-page newsletter chock-full valu CAT NO 106 Proof Switch Retail $995 Add $125 shipping Send $150 catalog Michigan residents add 4% sales tax RC Electrics/Kopski Continued page 159 corporates NACA 2412 section full house Its about same size newer trainers Mirage Aero-lectric PT etc trainer its designed model accommodate power systems 100- 200-watt category perform accordingly Thus six- seven-cell systems supplied previously mentioned kits would suitable would cobalt 05 15 systems Oh will ever get away meaningless designators mo tor size battery compartment will hold corresponding packs So far Ive few flights terrible weather two different systems Astro ferrite 15 dozen 900 mAh cells Great Planes Gold Fire motor seven 1 200s flies very nicely info future So now its back building board just gotta finish yet-unfinished Electrostreak Please write and/or send photos Mail stuff di rectly address appears box-type logo very top column magazine Sending MA editorial offices just slows things down since somebody has forward Lansdale just have tell ya good feel about fact time reading spring will have sprung everywhere must make last announcement Boeing Hawks RC Fliers Kent WA has nounced Seventh Annual Electric Fly-In scheduled June 24-25 1989 Boeing Kent Space Center Field activi ties planned including prizes Most Acrobat ic Best Scale Longest Flight Class Sailplane AMA Event No 609 Best Multimotor information contact Bernard Cawley 29838 48th Ave S Auburn WA 98001 phone number 206 839-9157 Happy Springtime anytime Electric Landings RC Scale/Crooks Continued page 53 prop blast times have read story overweight underpowered Scale mas terpiece being horsed off runway clas sic stall/spin/crash maneuver Heres good news wont happen ducted fan Since no prop blast over elevator airplane will rotate climbing attitude until has SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S & 09S ALL CUSTOM & STOCK PARTS VAILABLEINDIVIDUALL Y COMPETITION ACCESSORIES & CUSTOMIZED K&B ENGINES RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF FUEL TUBING FOUR BRANDS OFGLOWPLUGS HA RD-TO-FIND HARD WARE OLD TIMER SUPPLIES COILS CONDENSERS NGK & STITT SPARK PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5& 7LOOP 1/4RUBBER BANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLA YBOYSR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLA TES& EPOXIES ORDER BY MAIL OR PHONE 519 728-4395 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING & HANDLING FEE $150 FOR INSURANCE ADD $100 STOCK ORDERS SHIPPED WITHIN 24 HRS A monthly publication covering International RC Soaring Scene US $l7yr 21/yr 1st Class Canada/Mexico $22/yr US funds Asia & Pacific S28/yr US funds Europeand UK $28/yr US funds Surface Mall Foreign $18/yr US funds RO SOARING DIGEST PO Box 1079 Payson AZ 85547 June 1989 163 OUR REV-UP INVENTORY VERA GES OVER 9000 PROPS Iii IMMEDIATE SHIPMENT ON VISA/MC
Edition: Model Aviation - 1989/06
Page Numbers: 52, 53, 163
SOMETHING NEW suppose over years just about conceivable aspect RC Scale flying has covered various RC magazines Subjects have ranged basics building/covering/flying absurdities growing own balsa fiberglass weaving techniques Its somewhere however growing acceptance ducted fans sport competition RC Scale aspect opens up whole new group concerns techniques hope article month will clarify some problems heard Model selection no restricted propeller-driven aircraft Certainly some Jets should avoided experi ence level lowjust second propellerdriven trainer should inevitable P-5 1 Odds purpose full-scale air craft trainer model will good also school thought says Navy jets better Granted am prejudiced have consider environment Navy jets operate aircraft designed oper ate off very short fields carriers still carry enough ordinance enough fuel mis sion requirements establish least two very desirable traits ducted-fan model good strong landing gear wing capable carry ing load both ends speed envelope end emotion personal preference will likely dictate model selection some points consider Also powerful fans now avail able inlet size consideration once Thats say can cut hole front airplane stuff fan go fly fast has oroven what can done small inlets some common-sense aerodynam ics Since concerned Scale though always possible incorporate ideal let case prefer accept small perform ance loss favor scale accuracy After isnt Scale doesnt matter As example lam flying Yellow Aircraft F16 exact-scale inlet know because made plug General Dynamics draw ings Takeoff performance slightly less would expected exaggerated inlet still gets airborne less 150 ft cares order small inlets work however inlet must receive just passing glance inlet lip must rounded possi ble internal air routing must subtle F-14 Tomcat L / scale Velow Aircraft & Hobby Supply nearly ideal size larger becomes cumbersome smaller simply can made scale Sig Kadet ducted fans Byron Originals Mig-1 5R its capable flying 60-plus-size engines fields Two extremes products Yellow Aircraft left A4 Skyhawk can flown almost competitive Pattern flier whereas SR-71 requires undivided attention skilled pilot SR-71 5 CG correct location model will pitch up proper titude landing R settle easily onto runway Photo Dan Parsons 52 Model Aviation Radio Conoi Scale Dennis Crooks PO Dox 98 BIg Rock IL 60511 Yellow Aircraft F16 Inlet Although ideal does work info column possible doesnt look right probably isnt Some high-tech flow studies would help extract the design common sense great deal cheaperand likely just effective start building ducted fan few peculiar considerations Weight saving important crucial once fashion able go far poke holes foam wings cut weight practice saves few grams un der best circumstances worst can ruin appearance sheeted wing weaken landing gear mount much better ap proach weight saving simply conscientious use glue wood Hobby Lobby handles very good glue polyester epoxy fuselages called Epoxid-Klebeharz Typically should drill lightening holes nonstress areas bulkhead access bulkheai makes hard reach joint fuselage shell necessary tack-glue place stand airplane end run small bead epoxy around joint Keep mind glue smeared away joint fuselage shell bulkhead wasted dead weight Anothr recommended construction procedure ducted fans seal wood inside mod el Considering fuel exhaust both completely inside fuselage inevitable will leaks spills procedure use keep being disastrous soak wool parts thin Zap after have glued place method allows epoxy first pentrate wood adhere fuse good lond Anothr fuel-proofing method paint side fuse serves seal wood alio making look nicer An added benefit painting least glue joints makes easy spot failed bonds nuisance step easy overlookbut dont Time money pent now will help insure high speed pass beginning now wont last ma neuver ever perform model An item always consider annoying Scale model have control horns pushrods visible However Jet models sometim3s unavoidable know dont have fly fast experience flutter go fast probably will control surface hinges ducted-fan model must snug gapless possible realism safety Therefore ailerons flaps will likely connected servos mounted wing via ex posed horns pushrods maximum rigidity As flying ducted fan couple real advsntages Most Jets have nose wheels sit uation really helps combat inevitable crosswind biggie no Continued page 163 June 1989 53 AVAILABLE AT AMERICAS$475 DISTRIBUTED BY FINEST HOBBY SHOPS NDVDWRXRD 7555 Se, GeSnel Reed cedero CA 93422 66-1717 Europes leading manufacturer pilots supply fully positional figures National Scale Champs dress pilots known apparel Accessories include helmets goggles sunglasses bobble hats baseball caps floppy hats bone domes oxygen masks maewests popular types WWI WWI Sports piece suit stripes colours NATO piece suit map pockets olive green Glider pilots turtle neck sweaters floppy hat sunglasses Standard pilots tan pants simulated leather jacket fur collar baseball hat sunglasses pilots lightest ever come painted dressed ready fly 1/6 scale 2 oz S20O0 1/4 scale 4 oz $2800 1/5 scale 3 oz $2400 1/3 scale 9 oz $3200 Plus $500 postage packing Airmail z fast delivery send phone Visa Mastereharge number AH DESIGNS 79 Pen-y-Maes Ave Rhyl Ciwyd 1118 4E0 UK Tel 745-53987 Fourmost NEW jFlush Button ~1Hatch Release No Springs No Snaps No Rubber Bands Price $3506 Flush Button allows modeler easy access hatch compart ment just finger tip Flush Button constructed lie completely flush surface hatch pro viding clean areodynamic finish Molded white device painted match finish Fourmost Products 4040 24TH AVENUE FOREST GROVE OR 971 16 503 357-2732 Although Scale model Jet Model Products Starfire II has inlet design thats probably best possible IMPROVE YOUR 1991 SWITCH OVER eI Proof Switch Positive Locking Prevents Arriving field dead batteries Accidental switching off before take-off Will vibrate apart causing loss radio Does require special mounts Works radios Ideal seaplanes completely water proof SEE YOUR LOCAL HOBBY DEALER unavailable locally send Bru Line Industries Inc PO Box 3786 Center Line MI 48015 sufficient speed can very frustrating youre headed weeds just pulled elevator stick clear out transmit ter youll still have airplane left fly ducted fan competition some important courtesies observe test run engine pits competition under way poor guy whos flying cant hear thing nor can sure judges can hear him call maneuvers starting engines prior flight aware exhaust pointed jet ex haust velocity can easily reach 100 mph good distance behind model once Ive seen other modelers scramble grab air planes hats assorted debris being blown about ill-aimed ducted fan model Also have some consideration poor judges guys have power ruin whole trip treat respect Dont start screaming beast right front Most ducted-fan fliers now wear some type hear ing protectorsbut judges Believe An F-14 two OS engines turning 22000 rpm does purr hurts So start run up model respectable distance judges knows might help score AC Giant Scale/de Vries Continued page 59 ity should transcend exact scale function comes readily mind Hawker Fury handsome British biplane fighter Thirties Fury unique wheel shock absorber system shocks wheels ground shocks compressed center lines axle wheels coincident airborne however shocks extended centerline axle well above wheels centerlines Attempting duplicate feature model Giant size would exercise frustration internal shock absorbers would have duplicated minia ture formnot very practical bit construction final analysis idiosyncrasies par ticular prototype can uncovered really digging documentation information availableyouve just got dig out tend detail Giantpractically couple reminders IMAA Fly-In Odessa TX month June Giant Scale reenactment Schneider Cup Races November 10-12 latter Bob Martin chairman big seaplane address 1520 C Acoma Lane Lake Havasu City AZ 86403 publishing Schneider Cup News three-page newsletter chock-full valu CAT NO 106 Proof Switch Retail $995 Add $125 shipping Send $150 catalog Michigan residents add 4% sales tax RC Electrics/Kopski Continued page 159 corporates NACA 2412 section full house Its about same size newer trainers Mirage Aero-lectric PT etc trainer its designed model accommodate power systems 100- 200-watt category perform accordingly Thus six- seven-cell systems supplied previously mentioned kits would suitable would cobalt 05 15 systems Oh will ever get away meaningless designators mo tor size battery compartment will hold corresponding packs So far Ive few flights terrible weather two different systems Astro ferrite 15 dozen 900 mAh cells Great Planes Gold Fire motor seven 1 200s flies very nicely info future So now its back building board just gotta finish yet-unfinished Electrostreak Please write and/or send photos Mail stuff di rectly address appears box-type logo very top column magazine Sending MA editorial offices just slows things down since somebody has forward Lansdale just have tell ya good feel about fact time reading spring will have sprung everywhere must make last announcement Boeing Hawks RC Fliers Kent WA has nounced Seventh Annual Electric Fly-In scheduled June 24-25 1989 Boeing Kent Space Center Field activi ties planned including prizes Most Acrobat ic Best Scale Longest Flight Class Sailplane AMA Event No 609 Best Multimotor information contact Bernard Cawley 29838 48th Ave S Auburn WA 98001 phone number 206 839-9157 Happy Springtime anytime Electric Landings RC Scale/Crooks Continued page 53 prop blast times have read story overweight underpowered Scale mas terpiece being horsed off runway clas sic stall/spin/crash maneuver Heres good news wont happen ducted fan Since no prop blast over elevator airplane will rotate climbing attitude until has SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S & 09S ALL CUSTOM & STOCK PARTS VAILABLEINDIVIDUALL Y COMPETITION ACCESSORIES & CUSTOMIZED K&B ENGINES RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF FUEL TUBING FOUR BRANDS OFGLOWPLUGS HA RD-TO-FIND HARD WARE OLD TIMER SUPPLIES COILS CONDENSERS NGK & STITT SPARK PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5& 7LOOP 1/4RUBBER BANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLA YBOYSR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLA TES& EPOXIES ORDER BY MAIL OR PHONE 519 728-4395 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING & HANDLING FEE $150 FOR INSURANCE ADD $100 STOCK ORDERS SHIPPED WITHIN 24 HRS A monthly publication covering International RC Soaring Scene US $l7yr 21/yr 1st Class Canada/Mexico $22/yr US funds Asia & Pacific S28/yr US funds Europeand UK $28/yr US funds Surface Mall Foreign $18/yr US funds RO SOARING DIGEST PO Box 1079 Payson AZ 85547 June 1989 163 OUR REV-UP INVENTORY VERA GES OVER 9000 PROPS Iii IMMEDIATE SHIPMENT ON VISA/MC
Edition: Model Aviation - 1989/06
Page Numbers: 52, 53, 163
SOMETHING NEW suppose over years just about conceivable aspect RC Scale flying has covered various RC magazines Subjects have ranged basics building/covering/flying absurdities growing own balsa fiberglass weaving techniques Its somewhere however growing acceptance ducted fans sport competition RC Scale aspect opens up whole new group concerns techniques hope article month will clarify some problems heard Model selection no restricted propeller-driven aircraft Certainly some Jets should avoided experi ence level lowjust second propellerdriven trainer should inevitable P-5 1 Odds purpose full-scale air craft trainer model will good also school thought says Navy jets better Granted am prejudiced have consider environment Navy jets operate aircraft designed oper ate off very short fields carriers still carry enough ordinance enough fuel mis sion requirements establish least two very desirable traits ducted-fan model good strong landing gear wing capable carry ing load both ends speed envelope end emotion personal preference will likely dictate model selection some points consider Also powerful fans now avail able inlet size consideration once Thats say can cut hole front airplane stuff fan go fly fast has oroven what can done small inlets some common-sense aerodynam ics Since concerned Scale though always possible incorporate ideal let case prefer accept small perform ance loss favor scale accuracy After isnt Scale doesnt matter As example lam flying Yellow Aircraft F16 exact-scale inlet know because made plug General Dynamics draw ings Takeoff performance slightly less would expected exaggerated inlet still gets airborne less 150 ft cares order small inlets work however inlet must receive just passing glance inlet lip must rounded possi ble internal air routing must subtle F-14 Tomcat L / scale Velow Aircraft & Hobby Supply nearly ideal size larger becomes cumbersome smaller simply can made scale Sig Kadet ducted fans Byron Originals Mig-1 5R its capable flying 60-plus-size engines fields Two extremes products Yellow Aircraft left A4 Skyhawk can flown almost competitive Pattern flier whereas SR-71 requires undivided attention skilled pilot SR-71 5 CG correct location model will pitch up proper titude landing R settle easily onto runway Photo Dan Parsons 52 Model Aviation Radio Conoi Scale Dennis Crooks PO Dox 98 BIg Rock IL 60511 Yellow Aircraft F16 Inlet Although ideal does work info column possible doesnt look right probably isnt Some high-tech flow studies would help extract the design common sense great deal cheaperand likely just effective start building ducted fan few peculiar considerations Weight saving important crucial once fashion able go far poke holes foam wings cut weight practice saves few grams un der best circumstances worst can ruin appearance sheeted wing weaken landing gear mount much better ap proach weight saving simply conscientious use glue wood Hobby Lobby handles very good glue polyester epoxy fuselages called Epoxid-Klebeharz Typically should drill lightening holes nonstress areas bulkhead access bulkheai makes hard reach joint fuselage shell necessary tack-glue place stand airplane end run small bead epoxy around joint Keep mind glue smeared away joint fuselage shell bulkhead wasted dead weight Anothr recommended construction procedure ducted fans seal wood inside mod el Considering fuel exhaust both completely inside fuselage inevitable will leaks spills procedure use keep being disastrous soak wool parts thin Zap after have glued place method allows epoxy first pentrate wood adhere fuse good lond Anothr fuel-proofing method paint side fuse serves seal wood alio making look nicer An added benefit painting least glue joints makes easy spot failed bonds nuisance step easy overlookbut dont Time money pent now will help insure high speed pass beginning now wont last ma neuver ever perform model An item always consider annoying Scale model have control horns pushrods visible However Jet models sometim3s unavoidable know dont have fly fast experience flutter go fast probably will control surface hinges ducted-fan model must snug gapless possible realism safety Therefore ailerons flaps will likely connected servos mounted wing via ex posed horns pushrods maximum rigidity As flying ducted fan couple real advsntages Most Jets have nose wheels sit uation really helps combat inevitable crosswind biggie no Continued page 163 June 1989 53 AVAILABLE AT AMERICAS$475 DISTRIBUTED BY FINEST HOBBY SHOPS NDVDWRXRD 7555 Se, GeSnel Reed cedero CA 93422 66-1717 Europes leading manufacturer pilots supply fully positional figures National Scale Champs dress pilots known apparel Accessories include helmets goggles sunglasses bobble hats baseball caps floppy hats bone domes oxygen masks maewests popular types WWI WWI Sports piece suit stripes colours NATO piece suit map pockets olive green Glider pilots turtle neck sweaters floppy hat sunglasses Standard pilots tan pants simulated leather jacket fur collar baseball hat sunglasses pilots lightest ever come painted dressed ready fly 1/6 scale 2 oz S20O0 1/4 scale 4 oz $2800 1/5 scale 3 oz $2400 1/3 scale 9 oz $3200 Plus $500 postage packing Airmail z fast delivery send phone Visa Mastereharge number AH DESIGNS 79 Pen-y-Maes Ave Rhyl Ciwyd 1118 4E0 UK Tel 745-53987 Fourmost NEW jFlush Button ~1Hatch Release No Springs No Snaps No Rubber Bands Price $3506 Flush Button allows modeler easy access hatch compart ment just finger tip Flush Button constructed lie completely flush surface hatch pro viding clean areodynamic finish Molded white device painted match finish Fourmost Products 4040 24TH AVENUE FOREST GROVE OR 971 16 503 357-2732 Although Scale model Jet Model Products Starfire II has inlet design thats probably best possible IMPROVE YOUR 1991 SWITCH OVER eI Proof Switch Positive Locking Prevents Arriving field dead batteries Accidental switching off before take-off Will vibrate apart causing loss radio Does require special mounts Works radios Ideal seaplanes completely water proof SEE YOUR LOCAL HOBBY DEALER unavailable locally send Bru Line Industries Inc PO Box 3786 Center Line MI 48015 sufficient speed can very frustrating youre headed weeds just pulled elevator stick clear out transmit ter youll still have airplane left fly ducted fan competition some important courtesies observe test run engine pits competition under way poor guy whos flying cant hear thing nor can sure judges can hear him call maneuvers starting engines prior flight aware exhaust pointed jet ex haust velocity can easily reach 100 mph good distance behind model once Ive seen other modelers scramble grab air planes hats assorted debris being blown about ill-aimed ducted fan model Also have some consideration poor judges guys have power ruin whole trip treat respect Dont start screaming beast right front Most ducted-fan fliers now wear some type hear ing protectorsbut judges Believe An F-14 two OS engines turning 22000 rpm does purr hurts So start run up model respectable distance judges knows might help score AC Giant Scale/de Vries Continued page 59 ity should transcend exact scale function comes readily mind Hawker Fury handsome British biplane fighter Thirties Fury unique wheel shock absorber system shocks wheels ground shocks compressed center lines axle wheels coincident airborne however shocks extended centerline axle well above wheels centerlines Attempting duplicate feature model Giant size would exercise frustration internal shock absorbers would have duplicated minia ture formnot very practical bit construction final analysis idiosyncrasies par ticular prototype can uncovered really digging documentation information availableyouve just got dig out tend detail Giantpractically couple reminders IMAA Fly-In Odessa TX month June Giant Scale reenactment Schneider Cup Races November 10-12 latter Bob Martin chairman big seaplane address 1520 C Acoma Lane Lake Havasu City AZ 86403 publishing Schneider Cup News three-page newsletter chock-full valu CAT NO 106 Proof Switch Retail $995 Add $125 shipping Send $150 catalog Michigan residents add 4% sales tax RC Electrics/Kopski Continued page 159 corporates NACA 2412 section full house Its about same size newer trainers Mirage Aero-lectric PT etc trainer its designed model accommodate power systems 100- 200-watt category perform accordingly Thus six- seven-cell systems supplied previously mentioned kits would suitable would cobalt 05 15 systems Oh will ever get away meaningless designators mo tor size battery compartment will hold corresponding packs So far Ive few flights terrible weather two different systems Astro ferrite 15 dozen 900 mAh cells Great Planes Gold Fire motor seven 1 200s flies very nicely info future So now its back building board just gotta finish yet-unfinished Electrostreak Please write and/or send photos Mail stuff di rectly address appears box-type logo very top column magazine Sending MA editorial offices just slows things down since somebody has forward Lansdale just have tell ya good feel about fact time reading spring will have sprung everywhere must make last announcement Boeing Hawks RC Fliers Kent WA has nounced Seventh Annual Electric Fly-In scheduled June 24-25 1989 Boeing Kent Space Center Field activi ties planned including prizes Most Acrobat ic Best Scale Longest Flight Class Sailplane AMA Event No 609 Best Multimotor information contact Bernard Cawley 29838 48th Ave S Auburn WA 98001 phone number 206 839-9157 Happy Springtime anytime Electric Landings RC Scale/Crooks Continued page 53 prop blast times have read story overweight underpowered Scale mas terpiece being horsed off runway clas sic stall/spin/crash maneuver Heres good news wont happen ducted fan Since no prop blast over elevator airplane will rotate climbing attitude until has SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049S 051S & 09S ALL CUSTOM & STOCK PARTS VAILABLEINDIVIDUALL Y COMPETITION ACCESSORIES & CUSTOMIZED K&B ENGINES RACING WHEELS KLOTZ OIL CARBON FIBER SOLID LINES ALL KINDS OF FUEL TUBING FOUR BRANDS OFGLOWPLUGS HA RD-TO-FIND HARD WARE OLD TIMER SUPPLIES COILS CONDENSERS NGK & STITT SPARK PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5& 7LOOP 1/4RUBBER BANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HIGH TENSION LEADS 1/2A TEXACO PLA YBOYSR KIT 1/2A TEXACO ENGINES & PARTS KSB & IGNITION TIMERS RUBBER POWER KITS PROPS TISSUE AND OTHER SUPPLIES CYANOACRYLA TES& EPOXIES ORDER BY MAIL OR PHONE 519 728-4395 SORRY NO COD VISA & MASTERCARD WELCOME MINIMUM MERCHANDISE ORDER $1000 SHIPPING & HANDLING FEE $150 FOR INSURANCE ADD $100 STOCK ORDERS SHIPPED WITHIN 24 HRS A monthly publication covering International RC Soaring Scene US $l7yr 21/yr 1st Class Canada/Mexico $22/yr US funds Asia & Pacific S28/yr US funds Europeand UK $28/yr US funds Surface Mall Foreign $18/yr US funds RO SOARING DIGEST PO Box 1079 Payson AZ 85547 June 1989 163 OUR REV-UP INVENTORY VERA GES OVER 9000 PROPS Iii IMMEDIATE SHIPMENT ON VISA/MC