FOAM plus aluminum Last summer chance look experimental foam-andaluminum wings being investigated Florida Nordic fliers Dale Elder Harry Grogan Bas ically wing fairly typical D-box con struction except D-box itself solid foam stead usual sheet balsa ribs foam covered same very thin hard alumi num now standard FAI Power plane construction wing panel examined credibly stiff wing built up three subas semblies First massive spruce-and-carbon-fiber spar constructed jig Next Rohacell foam epoxied front full-depth spar sembly Ater thick balsa end ribs balsa lead ing edge strip added foam sanded shape Remember cant hot-wire Rohacell since gives off deadly fumes burned seal foam doesnt soak up too much epoxy aluminum applied brush some lightweight spackling compound thinned water familiar spack ling its hardware store item used patching plaster drywall stuff also useful fil lets filling dings models brand Red Devil Onetime Spackling After spackling dry foam-and-spar Anschlussrppen 7gj d P1Ioi us fewbpt AAL 1DflJV/6t 4/6#T mophv 489 AM BUMBLEBEE89 riB MatkI Iq *U4wsstskffhau tAsa r RuppeA en us 429 dWAbfl S~ propeJId 44g S K /YoOCL e4or u, ES7 PD O4s yin 2/s VIT2 Js 41-s AR 46s 4JSS d44% & eI H5hEf/0we-k Sek,leJ4wezk Pr-opdaa p id 3A6 *j089 European Wakefield design 19-year-old Roger Ruppert has state-of-the-art all-plastic structure Read about column Drawing courtesy J Korsgaards Frittlyvnings-Nyt assembly sanded coated very thin layer epoxy glue Next thin aluminum has already creased leading edge applied whole assembly vacuumbagged pull aluminum down tight foam Once epoxy has set assembly has removed bag aluminum-clad D-box placed undercamber jig ribs trailing edge added usual manner Carbon fiber caps ribs provide warp resist ance torsional stiffness FAI Power flier Doug Joyce New Orleans LA also experimenting combination Roha cell foam aluminum canards ever Doug using thin higher density Roha cell sheet instead thin sheet balsa aluminum-clad wings Heres Doug makes wing First cuts sheet thin aluminum little over twice panel chord slightly longer panel carefully cleaned very thin layer industrial epoxy spread over alumi num using single-edge razor blade squee gee Next two pieces 15mm Rohacell po sitioned aluminum leaving slight gap what will leading edge assembly vacuum-bagged until epoxy sets Next Doug adds usual ribs spars pulls top half over epoxies place detailed explanation aluminumand-balsa wing construction see Randy Archers article National Free Flight Societys 1988 edition NFFS Symposium advantages Rohacell over balsa Dougs application twofold no seams Roha cell available sheets measuring up 2 x 4 ft lighter weight thin sheet Rohacell 31 lb/cu ft densityor about half weight light balsa Rohacell block like used Nordic Glider fliers 19 lb/cu ft 66 Model Aviation Free Flight Duration Louis Joyner 3657 Drookwood Rd Birmingham AL 35223 Ad 4 j 4---W7 Dk uCerbon UD s4 /3504 /sq4 Rot OAEJI RchocdSIgAsKevkrJgA 45 zai Agv&b &fIm oAc4OLE Jim Larkin Birmingham AL prepares fire up Rossi-powered FAI Power FiC ship simple straightforward model Ed Hopper design called Mr Ed Arik Dondes Wakefield features torqueoperated auto stab rudder very slick aluminum pylon Arik has rael won place 1975 team Note 4X Israeli identification wing about same extruded polystyrene foam downside Rohacell cost stuff inexpensive US source know small quantities Rohacell Composite Structures Technology 3701 Inglewood Ave #268 Redondo Beach CA 90278-1110 Speaking Rohacell have read European newsletters Joe Maxwell Scot land will soon offering Wakefield wings ma chined Rohacell addition solid balsa Doring-style wings has producing several years foam wings like balsa ones can order just about airfoil planform specify desired washout tips addition wings Maxwell has exten sive line custom-machined jigs forms making undercambered wings laminated props address JH Maxwell 14 Upper Craig Stirling FK8 206 Scotland way writing overseas address send couple international reply coupons available local post office Since US stamps cant used mailing foreign countries its alternative stamped self-addressed envelope SASE would use writing cottageindustry Free Flight suppliers country New newsletter Danish Wakefield flier Jorgen Korsgaard editing new newsletter Danish Free Flight Union Frirflyvnings-Nyr Jorgens newsletter also produces Indoor News title suggests writ ten English Half fun get out reading Frirflyvnings Nyr trying wade through Danish Some words come close especially sound out example vinger wing hale bom tail boom diagonalribber course diagonal rib Danish like ie nonexis tent drawings worth Jorgen ex cellent draftsman work has appeared quite often French newsletter Vol Libre FIH towline selected NFFS Models Year honors few years back infor mation about either newsletter contact Jorgen Korsgaard Ahornweg 5 D-2397 Ellund-Hande witt West Germany New Wake interesting draw ings featured Frirflyvnings-Nyt 19-yearold Swiss flier Roger Rupperts Bumble Bee 89 Obviously model flies better its name sake since Roger has racked up several impres sive wins continental contests unusual feature model constructionall plastic wing solid Roha cell skin 36 gram/sq meter Kevlar cloth epoxy Kevlar applied 450 angle torsional stiffness unidirectional tapered carbon fiber spar provides bending strength 161-aspect-ratio wing Stab construction similar light glass cloth substituted Kevlar Structural weights seem quite reasonable 59 grams wing 5 grams stab model uses Tomy timer py timer British call Evidently some first windup plastic toys sacrif iced famed Peanuts character timer used operate DPR delayed prop re lease two different VIT variable incidence tailplane settings VIW variable incidence wing II seconds AR autorudder DT dether malizer presume variable wing wing wigfi /Q2 II II fl Refe 9cUs~ MooiZ II 234Sn gler like some Soviet fliers use moves left wing higher incidence setting part way through power pattern idea have right wing slightly higher angle left during initial power burst first part cruise help prevent altitude-robbing dip familiar Rubber fliers further discussion wing wigglers take look Russian Approach FlB Richard Blackham May 1989 issue NFFS Digest New timer Tomy timer has around years Ive seen dozens different ways mod ify windup toy use either DT en gine timer Now Australian firm rather impressive title World Free Flight Sup plies Ltd marketing four different Tomy based timers Florida-based father-and-son Free Flight fliers Jim Joe JuhI showed couple examples ordered timers very nicely thought out cleanly made As homemodified Tomy timers best part weightor should say lack same heavi est Arrow timers triple-function mod el weighs six grams rundown entire line includ ing price Australian dollars A-I single func tion 5gm $19 A-2 dual function 55 gin $21 A-3 three functionDT VIT/AR DPR 6 gin $25 A-4 Chuck Glider timer 45 gin $19 Postage extra Australian dollar per timer address World Free Flight Supplies Ltd 4 Candowie Crescent Baulkham Hills NSW 2153 Australia Towbooks times two Another drawing Frirflyvnings-Nyt newsletter details simple Polish circle-tow hook bent up out 15mm / music wire No text drawings seem say wire-bending skills bit rusty might want check out machined unit Henning Nyhegn sells circle-tow hook also includes screw-adjustable rudder horn whole thing called Danish Cirkelines cirkelkrogsystemet Price Kr 200 about $30 address Henning Nyhegn lndustrivaenget 28 3400 Hillerod Denmark Rex Hinson models latest protective headgear R required Air Force regulations riding motorized chase bike Seguin TX field Wakefield features propstop-operated autorudder shown two close-ups During motor run left top alu minum disk keeps Z-shaped wire place rudder line pulled forward Last photo left lower shows what happens spring-loaded Montreal drop pin right slides back end power run strikes hole disk rotating prop twists slot top disk allows Z-wire pivot releasing autorudder line March 1990 67 Another item Jorgen Korsgaards Fritflyvnings-Nyt newsletter FIA circle-tow towhook Poland bent up 1Ae music wire figure out its supposed work Prop-stop autorudder AR want keep Continued page 156 THIRTY-SIXTH ANNUAL RADIO CONTROL EXPOSITION APRIL 6 7 8 1990 FRIDAY9amto6pm SATURDAY9am to6pm SUNDAY9 am 430 pm TOLEDO SPORTS ARENA ONE MAIN STREET TOLEDO OHIO TICKETS can purchased door ADVANCE sending self-addressed stamped business size 41/sx9 envelope TICKETS 38235 Castle Romulus Ml 48174 orders above 10 tickets must include double postage US orders must include 25 cents per order handling charge foreign orders must include 50 cents per order handling charge need send addressed envelope will providethe necessary postage NOTE Registered Express Type Mail Orders Will 8 Acceptedll Include check money order US funds made payable Weak Signals R/C Club Ticket prices $400 per day adults $100 per dayfor children 12 under Please specify number Deadline ticket orders March 30 1990 sales arefinaland non-refundable Hotel info map area may obtained sending stamped self-addressed envelope ticket address above Any other Exposition information avail able contacting Wayne Yeager co director ticket address phone 313 941-6661 WillHave TraditionalSwap Shop Saturday Night Auction COMPETITION CLASSES NON-MILITARY SPORT SCALE PLANE AMA Rules MILITARY SPORT SCALE PLANE AMA Rules PRECISION SCALE PLANE AMA Rules PATTERN PLANE No Jets SPORT MONO-PLANE non-scale models SPORT BI-PLANE non-scale models OLD TIMER FREE FLIGHT R/C ASSIST R/C SAILPLANE non-scale models Only No Engines HELICOPTER R/C CAR COMPETITION BOAT MILITARY SCALE BOAT PLEASURE POWER BOAT WORKING VESSEL-UNARMED presented Weak Signals R/C Club Toledo Ohio NEW FAI TAN RUBBER 1/4 3/16 1/8 3/32 1/16 042 thick 1 lb box $147 lincludes4oz Slick Lubel $1375 mo lube k Costa *1 751 10 lb box- SilO00 lUPSOeliveradI Postpaid US via UPS Cal res add 6% sales tax Made USA Slow cure consistant quality Ask PAl-TAN 89/90 catalog lIsts 100 FF kits CROCKET HOOKS NOW MADE BYFAI SEND Model Supply FOR CATALOG P0 Box 3967 Torrance CA 90610 FF Scale/Warner Continued page 153 sport categories avid FF nuts Out need pitch give him hand NFFS rapidly becoming important national organization Free Flighters AMA devotes more attention needs RC majority heartily urge become NFFS member become active contributor Digest Now time send Chris pictures hints tips descriptions interesting models expe riences drawings etc Address Chris Weinreich 905 W 5th Ave Olympia WA 98502 call him 1-206/352-8183 some eve ning talk about what can help keep FF strong vital years membership includes sub scription Digest costs $15 youre over 19 $750 youre under join send name address age AMA number along check made out National Free Flight Society 646 East Cactus Wren Rd Scotts dale AZ 85253 Diels kit tans already know about Dave Diels fine rubber-powered Scale model kits aware fact quite special Highly recommended label can put new F4F Wildcat kit Its proven win ner flies like blazes Originally done Bill Hannan Model Builder WW II Rubber Scale book has produced consistent results average expert modelers Daves second new offering tail-first Shinden might prove bit trickier fly certainly interesting subject kit comes good wood fine-quality tissue de tailed documentation building instructions Drop him large SASE Diels Engineering PO Box 101 Woodville OH 43469 lat est listings dont build kits lim ited production going collectors items someday FF Duration/Joyner Continued page 67 simple fly timer prop-stopactuated autorudder about safe way fly right-right pattern small-stab Wake field sometimes prop-stop A/R too safe trips too soon model un der power will cause model spin right trips launch l least TA HO~ bob iardood L ho kJ ItEnlult 60 LARGE 120 THE ILGEAR Pat Pond TO QHOU HO. did HOtS $1021 tOSs IScSXCOOI Kflisit TOCatria CiHOO,oogK 05 31 n vdder Solo 055005 SHOCK TV 01300055 ow otovo O13TOOHOITIAI COOS 15090% 0050 TiCiHO IIO0OO 000050 00551010 sos-sososso COSThY 0010500510 TOSCKIOSOD4O 00100 CAST IOSTAOATISl SAC HO 150001100 IS AS C0OT OHACE HOOOSCTS TOSTAJUTIOS PACKSItr S1 100 iHOl,dd dont have walk far pick up pieces Rex Hinson Inverness FL has come up rather clever way making sure rudder trips supposed toand before stead using drop-pin Montreal prop stop trip lever release line rud der Rex adds round disc thin aluminum front turned aluminum nose block hole disc drop-pin slot top disc line rudder hooked end Z-shaped wire pivoted top nose block other end wire held down aluminum disc rubber-motor torque runs down Montreal drop-pin spring-loaded moves rear drops hole aluminum disc Since prop still turning disc will rotate until slot edge uncovers wire hinges up releases autorudder line second hole drop-pin aluminum nose block firmly stop propeller allow fold As can see photographs Rex uses aluminum bar-stock hub hinges A6 wire soldered sections brass tube approximately -in-long Stub dowels blade fit tubes allowing precise setting blade pitch Cyklones Siberia Yet another engine now available battle Rossi Nel son FIC Cyklone 25T includes brake produces claimed 11 horsepower 28000 30000 rpm Price whopping $280 think thats bad consider Cy klone C F2C FAL CL Speed price $600 However does include tuned pipe carbon fiber single-blade prop fuel tank claimed 18 horses 39000 rpm folks Siberia also offering two Wake field front ends prop assembly experts variable pitch delayed start $80 standard Montreal-type stop unit $25 RIC COMBAT 1 1-800-336-0602__1 156 Model Aviation 10 FT B-17 PLANS $4200 EPOXY GLASS COWLS 0 PLASTIC NOSE TURRETS SSS0O POWER 4 x 40-45 3 CATALOOS 59tO THE SEsT IN SCALE-SOB HOLMAN P0 505 Ni NA SAN SONG CA OSASI RC VIDEO REVIEW THE CLOUD DANCERS INTERNATIONAL H/C SHOW TEAM MEET THE WORLD RENOWNED CLOUD DANCERS SEE THE EXCITING FOOTAGE OF THEIR F-15 EAGLES GIANT SCALE WARBIRDS JUMPERS AND THE FAMOUS FLYING MACHINE MUST FOR YOUR VIDEO COLLECTION! 1 HOUR AND 30 MINUTES OF THE CLOUD DANCERS INACTION SEE IT ON VIDEO FROM BOX TO FINISHED PRODUCT !FLYING! BUILDING 5EGMFN-ELM uu&ING AIRPLANE D & RSiINNOVATIVt viuuELS MASTER SCALE 4TIVE MODELS SAAB GRIPENFORIV LY MIKES MODELS SATELLITE CITYS UFO ,BINAIRES CUSTOM RETRACT SYSTEM APPROXIMATELY 1 HOUR 45 MINUTES SAVE APPROXIMATELY $30900 WITH MANUFACTURERS DISCOUNT COUPONS INCLUDED IN VOLUME 3 AVAILABLE ONLY FROM RC VIDEO REVIEW MAGAZINE 13360 KINGSBURY DR. WEST PALM BEACH FL 33414 7903435 EACH TAPE $1995 PLUS $250 SHIPPING AND HANDLING CANADIAN ADD $600 FLORIDA ORDERS ADD 6% SALES TAX VISA AND MASTERCHARCE ALSO AVAILABLE ARE VOLUMES 1 AND 2 KING ORANGE AND JETS OVER DELAND NOW AVAILABLE TED AMOUNT OF YEARLY SUBSCRIPTIONS 5 FOR SIX VOLUMES PLUS S & H address Cyklone Manufacturing Company USSR 630081 Novosibirsk Krasny Pr72 Hardware Here couple items bit easier find can pay cash Scotch brand Anti-Slip Tape looks like just stuff help get better grip model Its plastic tape rough antislip surface de signed provide safer footing running boards bumpers camper steps RVs stuff nice gray clor should look just right high-tech all-aluminum Power model dont know adhesive fuel proof some epoxy around edges should seal down roll stuff x 96 under three bucks playing around vacuum bag ging may have found out good pump will give close atmosphere pres sure about 15 lb/sq As found out will turn soft /8-in sheet balsa something about %2 thick bring such situations under control $1695Propeller Drill Jigs 68 Self aligns exIstIng prop hale Webre Bully e-Dolmer Zenos um II SunCraft 1617 LosTamases Albuq NM 87102 505-942-9646 need vacuum gauge least expensive could find automotive department local K-Mart Vacuum & Pressure Tester costs about $18 comes several hoses adapters will also need rig up some sort relief valve vent system perhaps needle valve old GHQ never could get run Bubbles The Funsation Blaster Target Game Toys-R-Us has become standard bubblegenerator thermal detection can used right out box suggested modifica tion Charlie Sotich via Bucket Johnson change wiring battery compartment series parallel slow blower down bit give longer battery life Since bottom unscrews its fairly easy get inside wiring way Toys-R-Us sells good bubble liq uid produces long-lasting bubbles yet doesnt gum up bubble machine way liquid dishwashing soap does Its sold under Geof frey Family' label Blaster usually stocked toy guns rather other bubble-blowing toys Spinners To house variable-pitch Wakefield front end need spinner just bit room either Graupner Easter egg models found just thingthe nose cone younger daughters water rocket case arent familiar water rocket its toy rocket uses water com pressed air Just pour some water attach launcher pump up pull trigger works time Simple easy inexpen sive best toy buys under $4 Anyway sawed off front inch-and-a-half give very durable translucent red spinner water rocket available toy stores during warm weather company will also sell replacement rockets mail Five Fields/Kanyusik Continued page 72 Thirties started Comet gow Cleveland builder shelf models built hang ceiling fly world imagina tion As grew older exposed gasengined models would actually fly first exposure advanced facet modeling group called MeKeesport Keystone Clippers Theyre still going strong some 50 years modeling memories Wow What collec tion daydreams used fly models place edge town called Five Fields Sundays fall would numerous simultaneous football games place Nowadays would called sports complex days just Five Fields remember permitted crank prop gas engine belonging member club No wasnt Brown Jr Ohisson Rice engine plain old GHQ can remember cranking cranking stubborn piece unsophisticated casting get ting pop out laboring over GHQ other members Comet Zippers climbMarch 1990 157 $1995 VOL j SUPER LUCK-ir L5dUE HURRICANEPICAS NEW 1 E 3r Rubber & Eng Power Free Flight Display Control Line Electric Power R/C Airplanes new illustrated 32 page tabloid size catalog US & Canada $100 Foreign $300 Penn Valley Hobby Center 837-A W Main St Lansdale PA 19446
Edition: Model Aviation - 1990/03
Page Numbers: 66, 67, 156, 157
FOAM plus aluminum Last summer chance look experimental foam-andaluminum wings being investigated Florida Nordic fliers Dale Elder Harry Grogan Bas ically wing fairly typical D-box con struction except D-box itself solid foam stead usual sheet balsa ribs foam covered same very thin hard alumi num now standard FAI Power plane construction wing panel examined credibly stiff wing built up three subas semblies First massive spruce-and-carbon-fiber spar constructed jig Next Rohacell foam epoxied front full-depth spar sembly Ater thick balsa end ribs balsa lead ing edge strip added foam sanded shape Remember cant hot-wire Rohacell since gives off deadly fumes burned seal foam doesnt soak up too much epoxy aluminum applied brush some lightweight spackling compound thinned water familiar spack ling its hardware store item used patching plaster drywall stuff also useful fil lets filling dings models brand Red Devil Onetime Spackling After spackling dry foam-and-spar Anschlussrppen 7gj d P1Ioi us fewbpt AAL 1DflJV/6t 4/6#T mophv 489 AM BUMBLEBEE89 riB MatkI Iq *U4wsstskffhau tAsa r RuppeA en us 429 dWAbfl S~ propeJId 44g S K /YoOCL e4or u, ES7 PD O4s yin 2/s VIT2 Js 41-s AR 46s 4JSS d44% & eI H5hEf/0we-k Sek,leJ4wezk Pr-opdaa p id 3A6 *j089 European Wakefield design 19-year-old Roger Ruppert has state-of-the-art all-plastic structure Read about column Drawing courtesy J Korsgaards Frittlyvnings-Nyt assembly sanded coated very thin layer epoxy glue Next thin aluminum has already creased leading edge applied whole assembly vacuumbagged pull aluminum down tight foam Once epoxy has set assembly has removed bag aluminum-clad D-box placed undercamber jig ribs trailing edge added usual manner Carbon fiber caps ribs provide warp resist ance torsional stiffness FAI Power flier Doug Joyce New Orleans LA also experimenting combination Roha cell foam aluminum canards ever Doug using thin higher density Roha cell sheet instead thin sheet balsa aluminum-clad wings Heres Doug makes wing First cuts sheet thin aluminum little over twice panel chord slightly longer panel carefully cleaned very thin layer industrial epoxy spread over alumi num using single-edge razor blade squee gee Next two pieces 15mm Rohacell po sitioned aluminum leaving slight gap what will leading edge assembly vacuum-bagged until epoxy sets Next Doug adds usual ribs spars pulls top half over epoxies place detailed explanation aluminumand-balsa wing construction see Randy Archers article National Free Flight Societys 1988 edition NFFS Symposium advantages Rohacell over balsa Dougs application twofold no seams Roha cell available sheets measuring up 2 x 4 ft lighter weight thin sheet Rohacell 31 lb/cu ft densityor about half weight light balsa Rohacell block like used Nordic Glider fliers 19 lb/cu ft 66 Model Aviation Free Flight Duration Louis Joyner 3657 Drookwood Rd Birmingham AL 35223 Ad 4 j 4---W7 Dk uCerbon UD s4 /3504 /sq4 Rot OAEJI RchocdSIgAsKevkrJgA 45 zai Agv&b &fIm oAc4OLE Jim Larkin Birmingham AL prepares fire up Rossi-powered FAI Power FiC ship simple straightforward model Ed Hopper design called Mr Ed Arik Dondes Wakefield features torqueoperated auto stab rudder very slick aluminum pylon Arik has rael won place 1975 team Note 4X Israeli identification wing about same extruded polystyrene foam downside Rohacell cost stuff inexpensive US source know small quantities Rohacell Composite Structures Technology 3701 Inglewood Ave #268 Redondo Beach CA 90278-1110 Speaking Rohacell have read European newsletters Joe Maxwell Scot land will soon offering Wakefield wings ma chined Rohacell addition solid balsa Doring-style wings has producing several years foam wings like balsa ones can order just about airfoil planform specify desired washout tips addition wings Maxwell has exten sive line custom-machined jigs forms making undercambered wings laminated props address JH Maxwell 14 Upper Craig Stirling FK8 206 Scotland way writing overseas address send couple international reply coupons available local post office Since US stamps cant used mailing foreign countries its alternative stamped self-addressed envelope SASE would use writing cottageindustry Free Flight suppliers country New newsletter Danish Wakefield flier Jorgen Korsgaard editing new newsletter Danish Free Flight Union Frirflyvnings-Nyr Jorgens newsletter also produces Indoor News title suggests writ ten English Half fun get out reading Frirflyvnings Nyr trying wade through Danish Some words come close especially sound out example vinger wing hale bom tail boom diagonalribber course diagonal rib Danish like ie nonexis tent drawings worth Jorgen ex cellent draftsman work has appeared quite often French newsletter Vol Libre FIH towline selected NFFS Models Year honors few years back infor mation about either newsletter contact Jorgen Korsgaard Ahornweg 5 D-2397 Ellund-Hande witt West Germany New Wake interesting draw ings featured Frirflyvnings-Nyt 19-yearold Swiss flier Roger Rupperts Bumble Bee 89 Obviously model flies better its name sake since Roger has racked up several impres sive wins continental contests unusual feature model constructionall plastic wing solid Roha cell skin 36 gram/sq meter Kevlar cloth epoxy Kevlar applied 450 angle torsional stiffness unidirectional tapered carbon fiber spar provides bending strength 161-aspect-ratio wing Stab construction similar light glass cloth substituted Kevlar Structural weights seem quite reasonable 59 grams wing 5 grams stab model uses Tomy timer py timer British call Evidently some first windup plastic toys sacrif iced famed Peanuts character timer used operate DPR delayed prop re lease two different VIT variable incidence tailplane settings VIW variable incidence wing II seconds AR autorudder DT dether malizer presume variable wing wing wigfi /Q2 II II fl Refe 9cUs~ MooiZ II 234Sn gler like some Soviet fliers use moves left wing higher incidence setting part way through power pattern idea have right wing slightly higher angle left during initial power burst first part cruise help prevent altitude-robbing dip familiar Rubber fliers further discussion wing wigglers take look Russian Approach FlB Richard Blackham May 1989 issue NFFS Digest New timer Tomy timer has around years Ive seen dozens different ways mod ify windup toy use either DT en gine timer Now Australian firm rather impressive title World Free Flight Sup plies Ltd marketing four different Tomy based timers Florida-based father-and-son Free Flight fliers Jim Joe JuhI showed couple examples ordered timers very nicely thought out cleanly made As homemodified Tomy timers best part weightor should say lack same heavi est Arrow timers triple-function mod el weighs six grams rundown entire line includ ing price Australian dollars A-I single func tion 5gm $19 A-2 dual function 55 gin $21 A-3 three functionDT VIT/AR DPR 6 gin $25 A-4 Chuck Glider timer 45 gin $19 Postage extra Australian dollar per timer address World Free Flight Supplies Ltd 4 Candowie Crescent Baulkham Hills NSW 2153 Australia Towbooks times two Another drawing Frirflyvnings-Nyt newsletter details simple Polish circle-tow hook bent up out 15mm / music wire No text drawings seem say wire-bending skills bit rusty might want check out machined unit Henning Nyhegn sells circle-tow hook also includes screw-adjustable rudder horn whole thing called Danish Cirkelines cirkelkrogsystemet Price Kr 200 about $30 address Henning Nyhegn lndustrivaenget 28 3400 Hillerod Denmark Rex Hinson models latest protective headgear R required Air Force regulations riding motorized chase bike Seguin TX field Wakefield features propstop-operated autorudder shown two close-ups During motor run left top alu minum disk keeps Z-shaped wire place rudder line pulled forward Last photo left lower shows what happens spring-loaded Montreal drop pin right slides back end power run strikes hole disk rotating prop twists slot top disk allows Z-wire pivot releasing autorudder line March 1990 67 Another item Jorgen Korsgaards Fritflyvnings-Nyt newsletter FIA circle-tow towhook Poland bent up 1Ae music wire figure out its supposed work Prop-stop autorudder AR want keep Continued page 156 THIRTY-SIXTH ANNUAL RADIO CONTROL EXPOSITION APRIL 6 7 8 1990 FRIDAY9amto6pm SATURDAY9am to6pm SUNDAY9 am 430 pm TOLEDO SPORTS ARENA ONE MAIN STREET TOLEDO OHIO TICKETS can purchased door ADVANCE sending self-addressed stamped business size 41/sx9 envelope TICKETS 38235 Castle Romulus Ml 48174 orders above 10 tickets must include double postage US orders must include 25 cents per order handling charge foreign orders must include 50 cents per order handling charge need send addressed envelope will providethe necessary postage NOTE Registered Express Type Mail Orders Will 8 Acceptedll Include check money order US funds made payable Weak Signals R/C Club Ticket prices $400 per day adults $100 per dayfor children 12 under Please specify number Deadline ticket orders March 30 1990 sales arefinaland non-refundable Hotel info map area may obtained sending stamped self-addressed envelope ticket address above Any other Exposition information avail able contacting Wayne Yeager co director ticket address phone 313 941-6661 WillHave TraditionalSwap Shop Saturday Night Auction COMPETITION CLASSES NON-MILITARY SPORT SCALE PLANE AMA Rules MILITARY SPORT SCALE PLANE AMA Rules PRECISION SCALE PLANE AMA Rules PATTERN PLANE No Jets SPORT MONO-PLANE non-scale models SPORT BI-PLANE non-scale models OLD TIMER FREE FLIGHT R/C ASSIST R/C SAILPLANE non-scale models Only No Engines HELICOPTER R/C CAR COMPETITION BOAT MILITARY SCALE BOAT PLEASURE POWER BOAT WORKING VESSEL-UNARMED presented Weak Signals R/C Club Toledo Ohio NEW FAI TAN RUBBER 1/4 3/16 1/8 3/32 1/16 042 thick 1 lb box $147 lincludes4oz Slick Lubel $1375 mo lube k Costa *1 751 10 lb box- SilO00 lUPSOeliveradI Postpaid US via UPS Cal res add 6% sales tax Made USA Slow cure consistant quality Ask PAl-TAN 89/90 catalog lIsts 100 FF kits CROCKET HOOKS NOW MADE BYFAI SEND Model Supply FOR CATALOG P0 Box 3967 Torrance CA 90610 FF Scale/Warner Continued page 153 sport categories avid FF nuts Out need pitch give him hand NFFS rapidly becoming important national organization Free Flighters AMA devotes more attention needs RC majority heartily urge become NFFS member become active contributor Digest Now time send Chris pictures hints tips descriptions interesting models expe riences drawings etc Address Chris Weinreich 905 W 5th Ave Olympia WA 98502 call him 1-206/352-8183 some eve ning talk about what can help keep FF strong vital years membership includes sub scription Digest costs $15 youre over 19 $750 youre under join send name address age AMA number along check made out National Free Flight Society 646 East Cactus Wren Rd Scotts dale AZ 85253 Diels kit tans already know about Dave Diels fine rubber-powered Scale model kits aware fact quite special Highly recommended label can put new F4F Wildcat kit Its proven win ner flies like blazes Originally done Bill Hannan Model Builder WW II Rubber Scale book has produced consistent results average expert modelers Daves second new offering tail-first Shinden might prove bit trickier fly certainly interesting subject kit comes good wood fine-quality tissue de tailed documentation building instructions Drop him large SASE Diels Engineering PO Box 101 Woodville OH 43469 lat est listings dont build kits lim ited production going collectors items someday FF Duration/Joyner Continued page 67 simple fly timer prop-stopactuated autorudder about safe way fly right-right pattern small-stab Wake field sometimes prop-stop A/R too safe trips too soon model un der power will cause model spin right trips launch l least TA HO~ bob iardood L ho kJ ItEnlult 60 LARGE 120 THE ILGEAR Pat Pond TO QHOU HO. did HOtS $1021 tOSs IScSXCOOI Kflisit TOCatria CiHOO,oogK 05 31 n vdder Solo 055005 SHOCK TV 01300055 ow otovo O13TOOHOITIAI COOS 15090% 0050 TiCiHO IIO0OO 000050 00551010 sos-sososso COSThY 0010500510 TOSCKIOSOD4O 00100 CAST IOSTAOATISl SAC HO 150001100 IS AS C0OT OHACE HOOOSCTS TOSTAJUTIOS PACKSItr S1 100 iHOl,dd dont have walk far pick up pieces Rex Hinson Inverness FL has come up rather clever way making sure rudder trips supposed toand before stead using drop-pin Montreal prop stop trip lever release line rud der Rex adds round disc thin aluminum front turned aluminum nose block hole disc drop-pin slot top disc line rudder hooked end Z-shaped wire pivoted top nose block other end wire held down aluminum disc rubber-motor torque runs down Montreal drop-pin spring-loaded moves rear drops hole aluminum disc Since prop still turning disc will rotate until slot edge uncovers wire hinges up releases autorudder line second hole drop-pin aluminum nose block firmly stop propeller allow fold As can see photographs Rex uses aluminum bar-stock hub hinges A6 wire soldered sections brass tube approximately -in-long Stub dowels blade fit tubes allowing precise setting blade pitch Cyklones Siberia Yet another engine now available battle Rossi Nel son FIC Cyklone 25T includes brake produces claimed 11 horsepower 28000 30000 rpm Price whopping $280 think thats bad consider Cy klone C F2C FAL CL Speed price $600 However does include tuned pipe carbon fiber single-blade prop fuel tank claimed 18 horses 39000 rpm folks Siberia also offering two Wake field front ends prop assembly experts variable pitch delayed start $80 standard Montreal-type stop unit $25 RIC COMBAT 1 1-800-336-0602__1 156 Model Aviation 10 FT B-17 PLANS $4200 EPOXY GLASS COWLS 0 PLASTIC NOSE TURRETS SSS0O POWER 4 x 40-45 3 CATALOOS 59tO THE SEsT IN SCALE-SOB HOLMAN P0 505 Ni NA SAN SONG CA OSASI RC VIDEO REVIEW THE CLOUD DANCERS INTERNATIONAL H/C SHOW TEAM MEET THE WORLD RENOWNED CLOUD DANCERS SEE THE EXCITING FOOTAGE OF THEIR F-15 EAGLES GIANT SCALE WARBIRDS JUMPERS AND THE FAMOUS FLYING MACHINE MUST FOR YOUR VIDEO COLLECTION! 1 HOUR AND 30 MINUTES OF THE CLOUD DANCERS INACTION SEE IT ON VIDEO FROM BOX TO FINISHED PRODUCT !FLYING! BUILDING 5EGMFN-ELM uu&ING AIRPLANE D & RSiINNOVATIVt viuuELS MASTER SCALE 4TIVE MODELS SAAB GRIPENFORIV LY MIKES MODELS SATELLITE CITYS UFO ,BINAIRES CUSTOM RETRACT SYSTEM APPROXIMATELY 1 HOUR 45 MINUTES SAVE APPROXIMATELY $30900 WITH MANUFACTURERS DISCOUNT COUPONS INCLUDED IN VOLUME 3 AVAILABLE ONLY FROM RC VIDEO REVIEW MAGAZINE 13360 KINGSBURY DR. WEST PALM BEACH FL 33414 7903435 EACH TAPE $1995 PLUS $250 SHIPPING AND HANDLING CANADIAN ADD $600 FLORIDA ORDERS ADD 6% SALES TAX VISA AND MASTERCHARCE ALSO AVAILABLE ARE VOLUMES 1 AND 2 KING ORANGE AND JETS OVER DELAND NOW AVAILABLE TED AMOUNT OF YEARLY SUBSCRIPTIONS 5 FOR SIX VOLUMES PLUS S & H address Cyklone Manufacturing Company USSR 630081 Novosibirsk Krasny Pr72 Hardware Here couple items bit easier find can pay cash Scotch brand Anti-Slip Tape looks like just stuff help get better grip model Its plastic tape rough antislip surface de signed provide safer footing running boards bumpers camper steps RVs stuff nice gray clor should look just right high-tech all-aluminum Power model dont know adhesive fuel proof some epoxy around edges should seal down roll stuff x 96 under three bucks playing around vacuum bag ging may have found out good pump will give close atmosphere pres sure about 15 lb/sq As found out will turn soft /8-in sheet balsa something about %2 thick bring such situations under control $1695Propeller Drill Jigs 68 Self aligns exIstIng prop hale Webre Bully e-Dolmer Zenos um II SunCraft 1617 LosTamases Albuq NM 87102 505-942-9646 need vacuum gauge least expensive could find automotive department local K-Mart Vacuum & Pressure Tester costs about $18 comes several hoses adapters will also need rig up some sort relief valve vent system perhaps needle valve old GHQ never could get run Bubbles The Funsation Blaster Target Game Toys-R-Us has become standard bubblegenerator thermal detection can used right out box suggested modifica tion Charlie Sotich via Bucket Johnson change wiring battery compartment series parallel slow blower down bit give longer battery life Since bottom unscrews its fairly easy get inside wiring way Toys-R-Us sells good bubble liq uid produces long-lasting bubbles yet doesnt gum up bubble machine way liquid dishwashing soap does Its sold under Geof frey Family' label Blaster usually stocked toy guns rather other bubble-blowing toys Spinners To house variable-pitch Wakefield front end need spinner just bit room either Graupner Easter egg models found just thingthe nose cone younger daughters water rocket case arent familiar water rocket its toy rocket uses water com pressed air Just pour some water attach launcher pump up pull trigger works time Simple easy inexpen sive best toy buys under $4 Anyway sawed off front inch-and-a-half give very durable translucent red spinner water rocket available toy stores during warm weather company will also sell replacement rockets mail Five Fields/Kanyusik Continued page 72 Thirties started Comet gow Cleveland builder shelf models built hang ceiling fly world imagina tion As grew older exposed gasengined models would actually fly first exposure advanced facet modeling group called MeKeesport Keystone Clippers Theyre still going strong some 50 years modeling memories Wow What collec tion daydreams used fly models place edge town called Five Fields Sundays fall would numerous simultaneous football games place Nowadays would called sports complex days just Five Fields remember permitted crank prop gas engine belonging member club No wasnt Brown Jr Ohisson Rice engine plain old GHQ can remember cranking cranking stubborn piece unsophisticated casting get ting pop out laboring over GHQ other members Comet Zippers climbMarch 1990 157 $1995 VOL j SUPER LUCK-ir L5dUE HURRICANEPICAS NEW 1 E 3r Rubber & Eng Power Free Flight Display Control Line Electric Power R/C Airplanes new illustrated 32 page tabloid size catalog US & Canada $100 Foreign $300 Penn Valley Hobby Center 837-A W Main St Lansdale PA 19446
Edition: Model Aviation - 1990/03
Page Numbers: 66, 67, 156, 157
FOAM plus aluminum Last summer chance look experimental foam-andaluminum wings being investigated Florida Nordic fliers Dale Elder Harry Grogan Bas ically wing fairly typical D-box con struction except D-box itself solid foam stead usual sheet balsa ribs foam covered same very thin hard alumi num now standard FAI Power plane construction wing panel examined credibly stiff wing built up three subas semblies First massive spruce-and-carbon-fiber spar constructed jig Next Rohacell foam epoxied front full-depth spar sembly Ater thick balsa end ribs balsa lead ing edge strip added foam sanded shape Remember cant hot-wire Rohacell since gives off deadly fumes burned seal foam doesnt soak up too much epoxy aluminum applied brush some lightweight spackling compound thinned water familiar spack ling its hardware store item used patching plaster drywall stuff also useful fil lets filling dings models brand Red Devil Onetime Spackling After spackling dry foam-and-spar Anschlussrppen 7gj d P1Ioi us fewbpt AAL 1DflJV/6t 4/6#T mophv 489 AM BUMBLEBEE89 riB MatkI Iq *U4wsstskffhau tAsa r RuppeA en us 429 dWAbfl S~ propeJId 44g S K /YoOCL e4or u, ES7 PD O4s yin 2/s VIT2 Js 41-s AR 46s 4JSS d44% & eI H5hEf/0we-k Sek,leJ4wezk Pr-opdaa p id 3A6 *j089 European Wakefield design 19-year-old Roger Ruppert has state-of-the-art all-plastic structure Read about column Drawing courtesy J Korsgaards Frittlyvnings-Nyt assembly sanded coated very thin layer epoxy glue Next thin aluminum has already creased leading edge applied whole assembly vacuumbagged pull aluminum down tight foam Once epoxy has set assembly has removed bag aluminum-clad D-box placed undercamber jig ribs trailing edge added usual manner Carbon fiber caps ribs provide warp resist ance torsional stiffness FAI Power flier Doug Joyce New Orleans LA also experimenting combination Roha cell foam aluminum canards ever Doug using thin higher density Roha cell sheet instead thin sheet balsa aluminum-clad wings Heres Doug makes wing First cuts sheet thin aluminum little over twice panel chord slightly longer panel carefully cleaned very thin layer industrial epoxy spread over alumi num using single-edge razor blade squee gee Next two pieces 15mm Rohacell po sitioned aluminum leaving slight gap what will leading edge assembly vacuum-bagged until epoxy sets Next Doug adds usual ribs spars pulls top half over epoxies place detailed explanation aluminumand-balsa wing construction see Randy Archers article National Free Flight Societys 1988 edition NFFS Symposium advantages Rohacell over balsa Dougs application twofold no seams Roha cell available sheets measuring up 2 x 4 ft lighter weight thin sheet Rohacell 31 lb/cu ft densityor about half weight light balsa Rohacell block like used Nordic Glider fliers 19 lb/cu ft 66 Model Aviation Free Flight Duration Louis Joyner 3657 Drookwood Rd Birmingham AL 35223 Ad 4 j 4---W7 Dk uCerbon UD s4 /3504 /sq4 Rot OAEJI RchocdSIgAsKevkrJgA 45 zai Agv&b &fIm oAc4OLE Jim Larkin Birmingham AL prepares fire up Rossi-powered FAI Power FiC ship simple straightforward model Ed Hopper design called Mr Ed Arik Dondes Wakefield features torqueoperated auto stab rudder very slick aluminum pylon Arik has rael won place 1975 team Note 4X Israeli identification wing about same extruded polystyrene foam downside Rohacell cost stuff inexpensive US source know small quantities Rohacell Composite Structures Technology 3701 Inglewood Ave #268 Redondo Beach CA 90278-1110 Speaking Rohacell have read European newsletters Joe Maxwell Scot land will soon offering Wakefield wings ma chined Rohacell addition solid balsa Doring-style wings has producing several years foam wings like balsa ones can order just about airfoil planform specify desired washout tips addition wings Maxwell has exten sive line custom-machined jigs forms making undercambered wings laminated props address JH Maxwell 14 Upper Craig Stirling FK8 206 Scotland way writing overseas address send couple international reply coupons available local post office Since US stamps cant used mailing foreign countries its alternative stamped self-addressed envelope SASE would use writing cottageindustry Free Flight suppliers country New newsletter Danish Wakefield flier Jorgen Korsgaard editing new newsletter Danish Free Flight Union Frirflyvnings-Nyr Jorgens newsletter also produces Indoor News title suggests writ ten English Half fun get out reading Frirflyvnings Nyr trying wade through Danish Some words come close especially sound out example vinger wing hale bom tail boom diagonalribber course diagonal rib Danish like ie nonexis tent drawings worth Jorgen ex cellent draftsman work has appeared quite often French newsletter Vol Libre FIH towline selected NFFS Models Year honors few years back infor mation about either newsletter contact Jorgen Korsgaard Ahornweg 5 D-2397 Ellund-Hande witt West Germany New Wake interesting draw ings featured Frirflyvnings-Nyt 19-yearold Swiss flier Roger Rupperts Bumble Bee 89 Obviously model flies better its name sake since Roger has racked up several impres sive wins continental contests unusual feature model constructionall plastic wing solid Roha cell skin 36 gram/sq meter Kevlar cloth epoxy Kevlar applied 450 angle torsional stiffness unidirectional tapered carbon fiber spar provides bending strength 161-aspect-ratio wing Stab construction similar light glass cloth substituted Kevlar Structural weights seem quite reasonable 59 grams wing 5 grams stab model uses Tomy timer py timer British call Evidently some first windup plastic toys sacrif iced famed Peanuts character timer used operate DPR delayed prop re lease two different VIT variable incidence tailplane settings VIW variable incidence wing II seconds AR autorudder DT dether malizer presume variable wing wing wigfi /Q2 II II fl Refe 9cUs~ MooiZ II 234Sn gler like some Soviet fliers use moves left wing higher incidence setting part way through power pattern idea have right wing slightly higher angle left during initial power burst first part cruise help prevent altitude-robbing dip familiar Rubber fliers further discussion wing wigglers take look Russian Approach FlB Richard Blackham May 1989 issue NFFS Digest New timer Tomy timer has around years Ive seen dozens different ways mod ify windup toy use either DT en gine timer Now Australian firm rather impressive title World Free Flight Sup plies Ltd marketing four different Tomy based timers Florida-based father-and-son Free Flight fliers Jim Joe JuhI showed couple examples ordered timers very nicely thought out cleanly made As homemodified Tomy timers best part weightor should say lack same heavi est Arrow timers triple-function mod el weighs six grams rundown entire line includ ing price Australian dollars A-I single func tion 5gm $19 A-2 dual function 55 gin $21 A-3 three functionDT VIT/AR DPR 6 gin $25 A-4 Chuck Glider timer 45 gin $19 Postage extra Australian dollar per timer address World Free Flight Supplies Ltd 4 Candowie Crescent Baulkham Hills NSW 2153 Australia Towbooks times two Another drawing Frirflyvnings-Nyt newsletter details simple Polish circle-tow hook bent up out 15mm / music wire No text drawings seem say wire-bending skills bit rusty might want check out machined unit Henning Nyhegn sells circle-tow hook also includes screw-adjustable rudder horn whole thing called Danish Cirkelines cirkelkrogsystemet Price Kr 200 about $30 address Henning Nyhegn lndustrivaenget 28 3400 Hillerod Denmark Rex Hinson models latest protective headgear R required Air Force regulations riding motorized chase bike Seguin TX field Wakefield features propstop-operated autorudder shown two close-ups During motor run left top alu minum disk keeps Z-shaped wire place rudder line pulled forward Last photo left lower shows what happens spring-loaded Montreal drop pin right slides back end power run strikes hole disk rotating prop twists slot top disk allows Z-wire pivot releasing autorudder line March 1990 67 Another item Jorgen Korsgaards Fritflyvnings-Nyt newsletter FIA circle-tow towhook Poland bent up 1Ae music wire figure out its supposed work Prop-stop autorudder AR want keep Continued page 156 THIRTY-SIXTH ANNUAL RADIO CONTROL EXPOSITION APRIL 6 7 8 1990 FRIDAY9amto6pm SATURDAY9am to6pm SUNDAY9 am 430 pm TOLEDO SPORTS ARENA ONE MAIN STREET TOLEDO OHIO TICKETS can purchased door ADVANCE sending self-addressed stamped business size 41/sx9 envelope TICKETS 38235 Castle Romulus Ml 48174 orders above 10 tickets must include double postage US orders must include 25 cents per order handling charge foreign orders must include 50 cents per order handling charge need send addressed envelope will providethe necessary postage NOTE Registered Express Type Mail Orders Will 8 Acceptedll Include check money order US funds made payable Weak Signals R/C Club Ticket prices $400 per day adults $100 per dayfor children 12 under Please specify number Deadline ticket orders March 30 1990 sales arefinaland non-refundable Hotel info map area may obtained sending stamped self-addressed envelope ticket address above Any other Exposition information avail able contacting Wayne Yeager co director ticket address phone 313 941-6661 WillHave TraditionalSwap Shop Saturday Night Auction COMPETITION CLASSES NON-MILITARY SPORT SCALE PLANE AMA Rules MILITARY SPORT SCALE PLANE AMA Rules PRECISION SCALE PLANE AMA Rules PATTERN PLANE No Jets SPORT MONO-PLANE non-scale models SPORT BI-PLANE non-scale models OLD TIMER FREE FLIGHT R/C ASSIST R/C SAILPLANE non-scale models Only No Engines HELICOPTER R/C CAR COMPETITION BOAT MILITARY SCALE BOAT PLEASURE POWER BOAT WORKING VESSEL-UNARMED presented Weak Signals R/C Club Toledo Ohio NEW FAI TAN RUBBER 1/4 3/16 1/8 3/32 1/16 042 thick 1 lb box $147 lincludes4oz Slick Lubel $1375 mo lube k Costa *1 751 10 lb box- SilO00 lUPSOeliveradI Postpaid US via UPS Cal res add 6% sales tax Made USA Slow cure consistant quality Ask PAl-TAN 89/90 catalog lIsts 100 FF kits CROCKET HOOKS NOW MADE BYFAI SEND Model Supply FOR CATALOG P0 Box 3967 Torrance CA 90610 FF Scale/Warner Continued page 153 sport categories avid FF nuts Out need pitch give him hand NFFS rapidly becoming important national organization Free Flighters AMA devotes more attention needs RC majority heartily urge become NFFS member become active contributor Digest Now time send Chris pictures hints tips descriptions interesting models expe riences drawings etc Address Chris Weinreich 905 W 5th Ave Olympia WA 98502 call him 1-206/352-8183 some eve ning talk about what can help keep FF strong vital years membership includes sub scription Digest costs $15 youre over 19 $750 youre under join send name address age AMA number along check made out National Free Flight Society 646 East Cactus Wren Rd Scotts dale AZ 85253 Diels kit tans already know about Dave Diels fine rubber-powered Scale model kits aware fact quite special Highly recommended label can put new F4F Wildcat kit Its proven win ner flies like blazes Originally done Bill Hannan Model Builder WW II Rubber Scale book has produced consistent results average expert modelers Daves second new offering tail-first Shinden might prove bit trickier fly certainly interesting subject kit comes good wood fine-quality tissue de tailed documentation building instructions Drop him large SASE Diels Engineering PO Box 101 Woodville OH 43469 lat est listings dont build kits lim ited production going collectors items someday FF Duration/Joyner Continued page 67 simple fly timer prop-stopactuated autorudder about safe way fly right-right pattern small-stab Wake field sometimes prop-stop A/R too safe trips too soon model un der power will cause model spin right trips launch l least TA HO~ bob iardood L ho kJ ItEnlult 60 LARGE 120 THE ILGEAR Pat Pond TO QHOU HO. did HOtS $1021 tOSs IScSXCOOI Kflisit TOCatria CiHOO,oogK 05 31 n vdder Solo 055005 SHOCK TV 01300055 ow otovo O13TOOHOITIAI COOS 15090% 0050 TiCiHO IIO0OO 000050 00551010 sos-sososso COSThY 0010500510 TOSCKIOSOD4O 00100 CAST IOSTAOATISl SAC HO 150001100 IS AS C0OT OHACE HOOOSCTS TOSTAJUTIOS PACKSItr S1 100 iHOl,dd dont have walk far pick up pieces Rex Hinson Inverness FL has come up rather clever way making sure rudder trips supposed toand before stead using drop-pin Montreal prop stop trip lever release line rud der Rex adds round disc thin aluminum front turned aluminum nose block hole disc drop-pin slot top disc line rudder hooked end Z-shaped wire pivoted top nose block other end wire held down aluminum disc rubber-motor torque runs down Montreal drop-pin spring-loaded moves rear drops hole aluminum disc Since prop still turning disc will rotate until slot edge uncovers wire hinges up releases autorudder line second hole drop-pin aluminum nose block firmly stop propeller allow fold As can see photographs Rex uses aluminum bar-stock hub hinges A6 wire soldered sections brass tube approximately -in-long Stub dowels blade fit tubes allowing precise setting blade pitch Cyklones Siberia Yet another engine now available battle Rossi Nel son FIC Cyklone 25T includes brake produces claimed 11 horsepower 28000 30000 rpm Price whopping $280 think thats bad consider Cy klone C F2C FAL CL Speed price $600 However does include tuned pipe carbon fiber single-blade prop fuel tank claimed 18 horses 39000 rpm folks Siberia also offering two Wake field front ends prop assembly experts variable pitch delayed start $80 standard Montreal-type stop unit $25 RIC COMBAT 1 1-800-336-0602__1 156 Model Aviation 10 FT B-17 PLANS $4200 EPOXY GLASS COWLS 0 PLASTIC NOSE TURRETS SSS0O POWER 4 x 40-45 3 CATALOOS 59tO THE SEsT IN SCALE-SOB HOLMAN P0 505 Ni NA SAN SONG CA OSASI RC VIDEO REVIEW THE CLOUD DANCERS INTERNATIONAL H/C SHOW TEAM MEET THE WORLD RENOWNED CLOUD DANCERS SEE THE EXCITING FOOTAGE OF THEIR F-15 EAGLES GIANT SCALE WARBIRDS JUMPERS AND THE FAMOUS FLYING MACHINE MUST FOR YOUR VIDEO COLLECTION! 1 HOUR AND 30 MINUTES OF THE CLOUD DANCERS INACTION SEE IT ON VIDEO FROM BOX TO FINISHED PRODUCT !FLYING! BUILDING 5EGMFN-ELM uu&ING AIRPLANE D & RSiINNOVATIVt viuuELS MASTER SCALE 4TIVE MODELS SAAB GRIPENFORIV LY MIKES MODELS SATELLITE CITYS UFO ,BINAIRES CUSTOM RETRACT SYSTEM APPROXIMATELY 1 HOUR 45 MINUTES SAVE APPROXIMATELY $30900 WITH MANUFACTURERS DISCOUNT COUPONS INCLUDED IN VOLUME 3 AVAILABLE ONLY FROM RC VIDEO REVIEW MAGAZINE 13360 KINGSBURY DR. WEST PALM BEACH FL 33414 7903435 EACH TAPE $1995 PLUS $250 SHIPPING AND HANDLING CANADIAN ADD $600 FLORIDA ORDERS ADD 6% SALES TAX VISA AND MASTERCHARCE ALSO AVAILABLE ARE VOLUMES 1 AND 2 KING ORANGE AND JETS OVER DELAND NOW AVAILABLE TED AMOUNT OF YEARLY SUBSCRIPTIONS 5 FOR SIX VOLUMES PLUS S & H address Cyklone Manufacturing Company USSR 630081 Novosibirsk Krasny Pr72 Hardware Here couple items bit easier find can pay cash Scotch brand Anti-Slip Tape looks like just stuff help get better grip model Its plastic tape rough antislip surface de signed provide safer footing running boards bumpers camper steps RVs stuff nice gray clor should look just right high-tech all-aluminum Power model dont know adhesive fuel proof some epoxy around edges should seal down roll stuff x 96 under three bucks playing around vacuum bag ging may have found out good pump will give close atmosphere pres sure about 15 lb/sq As found out will turn soft /8-in sheet balsa something about %2 thick bring such situations under control $1695Propeller Drill Jigs 68 Self aligns exIstIng prop hale Webre Bully e-Dolmer Zenos um II SunCraft 1617 LosTamases Albuq NM 87102 505-942-9646 need vacuum gauge least expensive could find automotive department local K-Mart Vacuum & Pressure Tester costs about $18 comes several hoses adapters will also need rig up some sort relief valve vent system perhaps needle valve old GHQ never could get run Bubbles The Funsation Blaster Target Game Toys-R-Us has become standard bubblegenerator thermal detection can used right out box suggested modifica tion Charlie Sotich via Bucket Johnson change wiring battery compartment series parallel slow blower down bit give longer battery life Since bottom unscrews its fairly easy get inside wiring way Toys-R-Us sells good bubble liq uid produces long-lasting bubbles yet doesnt gum up bubble machine way liquid dishwashing soap does Its sold under Geof frey Family' label Blaster usually stocked toy guns rather other bubble-blowing toys Spinners To house variable-pitch Wakefield front end need spinner just bit room either Graupner Easter egg models found just thingthe nose cone younger daughters water rocket case arent familiar water rocket its toy rocket uses water com pressed air Just pour some water attach launcher pump up pull trigger works time Simple easy inexpen sive best toy buys under $4 Anyway sawed off front inch-and-a-half give very durable translucent red spinner water rocket available toy stores during warm weather company will also sell replacement rockets mail Five Fields/Kanyusik Continued page 72 Thirties started Comet gow Cleveland builder shelf models built hang ceiling fly world imagina tion As grew older exposed gasengined models would actually fly first exposure advanced facet modeling group called MeKeesport Keystone Clippers Theyre still going strong some 50 years modeling memories Wow What collec tion daydreams used fly models place edge town called Five Fields Sundays fall would numerous simultaneous football games place Nowadays would called sports complex days just Five Fields remember permitted crank prop gas engine belonging member club No wasnt Brown Jr Ohisson Rice engine plain old GHQ can remember cranking cranking stubborn piece unsophisticated casting get ting pop out laboring over GHQ other members Comet Zippers climbMarch 1990 157 $1995 VOL j SUPER LUCK-ir L5dUE HURRICANEPICAS NEW 1 E 3r Rubber & Eng Power Free Flight Display Control Line Electric Power R/C Airplanes new illustrated 32 page tabloid size catalog US & Canada $100 Foreign $300 Penn Valley Hobby Center 837-A W Main St Lansdale PA 19446
Edition: Model Aviation - 1990/03
Page Numbers: 66, 67, 156, 157
FOAM plus aluminum Last summer chance look experimental foam-andaluminum wings being investigated Florida Nordic fliers Dale Elder Harry Grogan Bas ically wing fairly typical D-box con struction except D-box itself solid foam stead usual sheet balsa ribs foam covered same very thin hard alumi num now standard FAI Power plane construction wing panel examined credibly stiff wing built up three subas semblies First massive spruce-and-carbon-fiber spar constructed jig Next Rohacell foam epoxied front full-depth spar sembly Ater thick balsa end ribs balsa lead ing edge strip added foam sanded shape Remember cant hot-wire Rohacell since gives off deadly fumes burned seal foam doesnt soak up too much epoxy aluminum applied brush some lightweight spackling compound thinned water familiar spack ling its hardware store item used patching plaster drywall stuff also useful fil lets filling dings models brand Red Devil Onetime Spackling After spackling dry foam-and-spar Anschlussrppen 7gj d P1Ioi us fewbpt AAL 1DflJV/6t 4/6#T mophv 489 AM BUMBLEBEE89 riB MatkI Iq *U4wsstskffhau tAsa r RuppeA en us 429 dWAbfl S~ propeJId 44g S K /YoOCL e4or u, ES7 PD O4s yin 2/s VIT2 Js 41-s AR 46s 4JSS d44% & eI H5hEf/0we-k Sek,leJ4wezk Pr-opdaa p id 3A6 *j089 European Wakefield design 19-year-old Roger Ruppert has state-of-the-art all-plastic structure Read about column Drawing courtesy J Korsgaards Frittlyvnings-Nyt assembly sanded coated very thin layer epoxy glue Next thin aluminum has already creased leading edge applied whole assembly vacuumbagged pull aluminum down tight foam Once epoxy has set assembly has removed bag aluminum-clad D-box placed undercamber jig ribs trailing edge added usual manner Carbon fiber caps ribs provide warp resist ance torsional stiffness FAI Power flier Doug Joyce New Orleans LA also experimenting combination Roha cell foam aluminum canards ever Doug using thin higher density Roha cell sheet instead thin sheet balsa aluminum-clad wings Heres Doug makes wing First cuts sheet thin aluminum little over twice panel chord slightly longer panel carefully cleaned very thin layer industrial epoxy spread over alumi num using single-edge razor blade squee gee Next two pieces 15mm Rohacell po sitioned aluminum leaving slight gap what will leading edge assembly vacuum-bagged until epoxy sets Next Doug adds usual ribs spars pulls top half over epoxies place detailed explanation aluminumand-balsa wing construction see Randy Archers article National Free Flight Societys 1988 edition NFFS Symposium advantages Rohacell over balsa Dougs application twofold no seams Roha cell available sheets measuring up 2 x 4 ft lighter weight thin sheet Rohacell 31 lb/cu ft densityor about half weight light balsa Rohacell block like used Nordic Glider fliers 19 lb/cu ft 66 Model Aviation Free Flight Duration Louis Joyner 3657 Drookwood Rd Birmingham AL 35223 Ad 4 j 4---W7 Dk uCerbon UD s4 /3504 /sq4 Rot OAEJI RchocdSIgAsKevkrJgA 45 zai Agv&b &fIm oAc4OLE Jim Larkin Birmingham AL prepares fire up Rossi-powered FAI Power FiC ship simple straightforward model Ed Hopper design called Mr Ed Arik Dondes Wakefield features torqueoperated auto stab rudder very slick aluminum pylon Arik has rael won place 1975 team Note 4X Israeli identification wing about same extruded polystyrene foam downside Rohacell cost stuff inexpensive US source know small quantities Rohacell Composite Structures Technology 3701 Inglewood Ave #268 Redondo Beach CA 90278-1110 Speaking Rohacell have read European newsletters Joe Maxwell Scot land will soon offering Wakefield wings ma chined Rohacell addition solid balsa Doring-style wings has producing several years foam wings like balsa ones can order just about airfoil planform specify desired washout tips addition wings Maxwell has exten sive line custom-machined jigs forms making undercambered wings laminated props address JH Maxwell 14 Upper Craig Stirling FK8 206 Scotland way writing overseas address send couple international reply coupons available local post office Since US stamps cant used mailing foreign countries its alternative stamped self-addressed envelope SASE would use writing cottageindustry Free Flight suppliers country New newsletter Danish Wakefield flier Jorgen Korsgaard editing new newsletter Danish Free Flight Union Frirflyvnings-Nyr Jorgens newsletter also produces Indoor News title suggests writ ten English Half fun get out reading Frirflyvnings Nyr trying wade through Danish Some words come close especially sound out example vinger wing hale bom tail boom diagonalribber course diagonal rib Danish like ie nonexis tent drawings worth Jorgen ex cellent draftsman work has appeared quite often French newsletter Vol Libre FIH towline selected NFFS Models Year honors few years back infor mation about either newsletter contact Jorgen Korsgaard Ahornweg 5 D-2397 Ellund-Hande witt West Germany New Wake interesting draw ings featured Frirflyvnings-Nyt 19-yearold Swiss flier Roger Rupperts Bumble Bee 89 Obviously model flies better its name sake since Roger has racked up several impres sive wins continental contests unusual feature model constructionall plastic wing solid Roha cell skin 36 gram/sq meter Kevlar cloth epoxy Kevlar applied 450 angle torsional stiffness unidirectional tapered carbon fiber spar provides bending strength 161-aspect-ratio wing Stab construction similar light glass cloth substituted Kevlar Structural weights seem quite reasonable 59 grams wing 5 grams stab model uses Tomy timer py timer British call Evidently some first windup plastic toys sacrif iced famed Peanuts character timer used operate DPR delayed prop re lease two different VIT variable incidence tailplane settings VIW variable incidence wing II seconds AR autorudder DT dether malizer presume variable wing wing wigfi /Q2 II II fl Refe 9cUs~ MooiZ II 234Sn gler like some Soviet fliers use moves left wing higher incidence setting part way through power pattern idea have right wing slightly higher angle left during initial power burst first part cruise help prevent altitude-robbing dip familiar Rubber fliers further discussion wing wigglers take look Russian Approach FlB Richard Blackham May 1989 issue NFFS Digest New timer Tomy timer has around years Ive seen dozens different ways mod ify windup toy use either DT en gine timer Now Australian firm rather impressive title World Free Flight Sup plies Ltd marketing four different Tomy based timers Florida-based father-and-son Free Flight fliers Jim Joe JuhI showed couple examples ordered timers very nicely thought out cleanly made As homemodified Tomy timers best part weightor should say lack same heavi est Arrow timers triple-function mod el weighs six grams rundown entire line includ ing price Australian dollars A-I single func tion 5gm $19 A-2 dual function 55 gin $21 A-3 three functionDT VIT/AR DPR 6 gin $25 A-4 Chuck Glider timer 45 gin $19 Postage extra Australian dollar per timer address World Free Flight Supplies Ltd 4 Candowie Crescent Baulkham Hills NSW 2153 Australia Towbooks times two Another drawing Frirflyvnings-Nyt newsletter details simple Polish circle-tow hook bent up out 15mm / music wire No text drawings seem say wire-bending skills bit rusty might want check out machined unit Henning Nyhegn sells circle-tow hook also includes screw-adjustable rudder horn whole thing called Danish Cirkelines cirkelkrogsystemet Price Kr 200 about $30 address Henning Nyhegn lndustrivaenget 28 3400 Hillerod Denmark Rex Hinson models latest protective headgear R required Air Force regulations riding motorized chase bike Seguin TX field Wakefield features propstop-operated autorudder shown two close-ups During motor run left top alu minum disk keeps Z-shaped wire place rudder line pulled forward Last photo left lower shows what happens spring-loaded Montreal drop pin right slides back end power run strikes hole disk rotating prop twists slot top disk allows Z-wire pivot releasing autorudder line March 1990 67 Another item Jorgen Korsgaards Fritflyvnings-Nyt newsletter FIA circle-tow towhook Poland bent up 1Ae music wire figure out its supposed work Prop-stop autorudder AR want keep Continued page 156 THIRTY-SIXTH ANNUAL RADIO CONTROL EXPOSITION APRIL 6 7 8 1990 FRIDAY9amto6pm SATURDAY9am to6pm SUNDAY9 am 430 pm TOLEDO SPORTS ARENA ONE MAIN STREET TOLEDO OHIO TICKETS can purchased door ADVANCE sending self-addressed stamped business size 41/sx9 envelope TICKETS 38235 Castle Romulus Ml 48174 orders above 10 tickets must include double postage US orders must include 25 cents per order handling charge foreign orders must include 50 cents per order handling charge need send addressed envelope will providethe necessary postage NOTE Registered Express Type Mail Orders Will 8 Acceptedll Include check money order US funds made payable Weak Signals R/C Club Ticket prices $400 per day adults $100 per dayfor children 12 under Please specify number Deadline ticket orders March 30 1990 sales arefinaland non-refundable Hotel info map area may obtained sending stamped self-addressed envelope ticket address above Any other Exposition information avail able contacting Wayne Yeager co director ticket address phone 313 941-6661 WillHave TraditionalSwap Shop Saturday Night Auction COMPETITION CLASSES NON-MILITARY SPORT SCALE PLANE AMA Rules MILITARY SPORT SCALE PLANE AMA Rules PRECISION SCALE PLANE AMA Rules PATTERN PLANE No Jets SPORT MONO-PLANE non-scale models SPORT BI-PLANE non-scale models OLD TIMER FREE FLIGHT R/C ASSIST R/C SAILPLANE non-scale models Only No Engines HELICOPTER R/C CAR COMPETITION BOAT MILITARY SCALE BOAT PLEASURE POWER BOAT WORKING VESSEL-UNARMED presented Weak Signals R/C Club Toledo Ohio NEW FAI TAN RUBBER 1/4 3/16 1/8 3/32 1/16 042 thick 1 lb box $147 lincludes4oz Slick Lubel $1375 mo lube k Costa *1 751 10 lb box- SilO00 lUPSOeliveradI Postpaid US via UPS Cal res add 6% sales tax Made USA Slow cure consistant quality Ask PAl-TAN 89/90 catalog lIsts 100 FF kits CROCKET HOOKS NOW MADE BYFAI SEND Model Supply FOR CATALOG P0 Box 3967 Torrance CA 90610 FF Scale/Warner Continued page 153 sport categories avid FF nuts Out need pitch give him hand NFFS rapidly becoming important national organization Free Flighters AMA devotes more attention needs RC majority heartily urge become NFFS member become active contributor Digest Now time send Chris pictures hints tips descriptions interesting models expe riences drawings etc Address Chris Weinreich 905 W 5th Ave Olympia WA 98502 call him 1-206/352-8183 some eve ning talk about what can help keep FF strong vital years membership includes sub scription Digest costs $15 youre over 19 $750 youre under join send name address age AMA number along check made out National Free Flight Society 646 East Cactus Wren Rd Scotts dale AZ 85253 Diels kit tans already know about Dave Diels fine rubber-powered Scale model kits aware fact quite special Highly recommended label can put new F4F Wildcat kit Its proven win ner flies like blazes Originally done Bill Hannan Model Builder WW II Rubber Scale book has produced consistent results average expert modelers Daves second new offering tail-first Shinden might prove bit trickier fly certainly interesting subject kit comes good wood fine-quality tissue de tailed documentation building instructions Drop him large SASE Diels Engineering PO Box 101 Woodville OH 43469 lat est listings dont build kits lim ited production going collectors items someday FF Duration/Joyner Continued page 67 simple fly timer prop-stopactuated autorudder about safe way fly right-right pattern small-stab Wake field sometimes prop-stop A/R too safe trips too soon model un der power will cause model spin right trips launch l least TA HO~ bob iardood L ho kJ ItEnlult 60 LARGE 120 THE ILGEAR Pat Pond TO QHOU HO. did HOtS $1021 tOSs IScSXCOOI Kflisit TOCatria CiHOO,oogK 05 31 n vdder Solo 055005 SHOCK TV 01300055 ow otovo O13TOOHOITIAI COOS 15090% 0050 TiCiHO IIO0OO 000050 00551010 sos-sososso COSThY 0010500510 TOSCKIOSOD4O 00100 CAST IOSTAOATISl SAC HO 150001100 IS AS C0OT OHACE HOOOSCTS TOSTAJUTIOS PACKSItr S1 100 iHOl,dd dont have walk far pick up pieces Rex Hinson Inverness FL has come up rather clever way making sure rudder trips supposed toand before stead using drop-pin Montreal prop stop trip lever release line rud der Rex adds round disc thin aluminum front turned aluminum nose block hole disc drop-pin slot top disc line rudder hooked end Z-shaped wire pivoted top nose block other end wire held down aluminum disc rubber-motor torque runs down Montreal drop-pin spring-loaded moves rear drops hole aluminum disc Since prop still turning disc will rotate until slot edge uncovers wire hinges up releases autorudder line second hole drop-pin aluminum nose block firmly stop propeller allow fold As can see photographs Rex uses aluminum bar-stock hub hinges A6 wire soldered sections brass tube approximately -in-long Stub dowels blade fit tubes allowing precise setting blade pitch Cyklones Siberia Yet another engine now available battle Rossi Nel son FIC Cyklone 25T includes brake produces claimed 11 horsepower 28000 30000 rpm Price whopping $280 think thats bad consider Cy klone C F2C FAL CL Speed price $600 However does include tuned pipe carbon fiber single-blade prop fuel tank claimed 18 horses 39000 rpm folks Siberia also offering two Wake field front ends prop assembly experts variable pitch delayed start $80 standard Montreal-type stop unit $25 RIC COMBAT 1 1-800-336-0602__1 156 Model Aviation 10 FT B-17 PLANS $4200 EPOXY GLASS COWLS 0 PLASTIC NOSE TURRETS SSS0O POWER 4 x 40-45 3 CATALOOS 59tO THE SEsT IN SCALE-SOB HOLMAN P0 505 Ni NA SAN SONG CA OSASI RC VIDEO REVIEW THE CLOUD DANCERS INTERNATIONAL H/C SHOW TEAM MEET THE WORLD RENOWNED CLOUD DANCERS SEE THE EXCITING FOOTAGE OF THEIR F-15 EAGLES GIANT SCALE WARBIRDS JUMPERS AND THE FAMOUS FLYING MACHINE MUST FOR YOUR VIDEO COLLECTION! 1 HOUR AND 30 MINUTES OF THE CLOUD DANCERS INACTION SEE IT ON VIDEO FROM BOX TO FINISHED PRODUCT !FLYING! BUILDING 5EGMFN-ELM uu&ING AIRPLANE D & RSiINNOVATIVt viuuELS MASTER SCALE 4TIVE MODELS SAAB GRIPENFORIV LY MIKES MODELS SATELLITE CITYS UFO ,BINAIRES CUSTOM RETRACT SYSTEM APPROXIMATELY 1 HOUR 45 MINUTES SAVE APPROXIMATELY $30900 WITH MANUFACTURERS DISCOUNT COUPONS INCLUDED IN VOLUME 3 AVAILABLE ONLY FROM RC VIDEO REVIEW MAGAZINE 13360 KINGSBURY DR. WEST PALM BEACH FL 33414 7903435 EACH TAPE $1995 PLUS $250 SHIPPING AND HANDLING CANADIAN ADD $600 FLORIDA ORDERS ADD 6% SALES TAX VISA AND MASTERCHARCE ALSO AVAILABLE ARE VOLUMES 1 AND 2 KING ORANGE AND JETS OVER DELAND NOW AVAILABLE TED AMOUNT OF YEARLY SUBSCRIPTIONS 5 FOR SIX VOLUMES PLUS S & H address Cyklone Manufacturing Company USSR 630081 Novosibirsk Krasny Pr72 Hardware Here couple items bit easier find can pay cash Scotch brand Anti-Slip Tape looks like just stuff help get better grip model Its plastic tape rough antislip surface de signed provide safer footing running boards bumpers camper steps RVs stuff nice gray clor should look just right high-tech all-aluminum Power model dont know adhesive fuel proof some epoxy around edges should seal down roll stuff x 96 under three bucks playing around vacuum bag ging may have found out good pump will give close atmosphere pres sure about 15 lb/sq As found out will turn soft /8-in sheet balsa something about %2 thick bring such situations under control $1695Propeller Drill Jigs 68 Self aligns exIstIng prop hale Webre Bully e-Dolmer Zenos um II SunCraft 1617 LosTamases Albuq NM 87102 505-942-9646 need vacuum gauge least expensive could find automotive department local K-Mart Vacuum & Pressure Tester costs about $18 comes several hoses adapters will also need rig up some sort relief valve vent system perhaps needle valve old GHQ never could get run Bubbles The Funsation Blaster Target Game Toys-R-Us has become standard bubblegenerator thermal detection can used right out box suggested modifica tion Charlie Sotich via Bucket Johnson change wiring battery compartment series parallel slow blower down bit give longer battery life Since bottom unscrews its fairly easy get inside wiring way Toys-R-Us sells good bubble liq uid produces long-lasting bubbles yet doesnt gum up bubble machine way liquid dishwashing soap does Its sold under Geof frey Family' label Blaster usually stocked toy guns rather other bubble-blowing toys Spinners To house variable-pitch Wakefield front end need spinner just bit room either Graupner Easter egg models found just thingthe nose cone younger daughters water rocket case arent familiar water rocket its toy rocket uses water com pressed air Just pour some water attach launcher pump up pull trigger works time Simple easy inexpen sive best toy buys under $4 Anyway sawed off front inch-and-a-half give very durable translucent red spinner water rocket available toy stores during warm weather company will also sell replacement rockets mail Five Fields/Kanyusik Continued page 72 Thirties started Comet gow Cleveland builder shelf models built hang ceiling fly world imagina tion As grew older exposed gasengined models would actually fly first exposure advanced facet modeling group called MeKeesport Keystone Clippers Theyre still going strong some 50 years modeling memories Wow What collec tion daydreams used fly models place edge town called Five Fields Sundays fall would numerous simultaneous football games place Nowadays would called sports complex days just Five Fields remember permitted crank prop gas engine belonging member club No wasnt Brown Jr Ohisson Rice engine plain old GHQ can remember cranking cranking stubborn piece unsophisticated casting get ting pop out laboring over GHQ other members Comet Zippers climbMarch 1990 157 $1995 VOL j SUPER LUCK-ir L5dUE HURRICANEPICAS NEW 1 E 3r Rubber & Eng Power Free Flight Display Control Line Electric Power R/C Airplanes new illustrated 32 page tabloid size catalog US & Canada $100 Foreign $300 Penn Valley Hobby Center 837-A W Main St Lansdale PA 19446